Senior Full Stack Engineer at Fleek | London

Join Us in Revolutionizing the Fashion Supply Chain!Did you know that the fashion industry generates over 100 billion garments each year, with a staggering 60% ending up in landfills? This occurs not due to a lack of demand but because the current supply chain for secondhand fashion is outdated, manual, and disorganized.At Fleek, we are on a mission to transform this broken system. Our goal is to make secondhand fashion the primary choice, and we are building the infrastructure that will power the global secondhand clothing market. This includes a B2B marketplace and advanced AI systems that will digitize the supply chain.With Fleek, vintage stores, online resellers, and retail buyers can easily source graded secondhand inventory directly from wholesalers and rag houses across various countries. Our innovative tool, FleekSort, utilizes AI to grade, price, and categorize items with just a photo, turning a historically opaque trade into a clear, searchable, and tradable global inventory.Since our inception in 2022, we've successfully diverted 9 million items from landfills and have experienced remarkable growth, tripling in size annually. We have secured approximately $50 million in funding from prestigious investors like a16z, Y Combinator, Burda Principal Investments, and HV Capital. Our advisory board boasts industry leaders from renowned companies such as Depop, Shopify, and Postmates.Today, we cater to thousands of resellers and retailers across the UK, Europe, and the US. As the secondhand fashion market is projected to reach $350 billion by 2027, Fleek is establishing the AI-driven operational and financial backbone for secondhand commerce on a global scale.We are looking for passionate individuals who are eager to create meaningful change and thrive in a fast-paced environment. If this excites you, read on!About the RoleAs a Senior Full Stack Engineer in our product engineering team with a focus on frontend development, you will report directly to our CTO, Sanket Agarwal (formerly of Google and Postmates). You'll collaborate closely with a product manager and designer within a small, senior team dedicated to enhancing user growth and optimizing the core consumer experience.Why This Role is UniqueAt Fleek, we are creating a vibrant, video-first marketplace where each item is one-of-a-kind, supply is unpredictable, and the purchasing experience must cater to both professional resellers making high-volume decisions and first-time buyers venturing into an entirely new market.You will be part of our Growth team, reimagining core user journeys from scratch, enhancing the discovery experience, streamlining the buying flow, and improving seller onboarding.

Join Us in Revolutionizing the Supply Chain!The fashion industry generates over 100 billion garments annually, yet 60% are discarded into landfills—not due to lack of demand, but rather because the existing supply chain for secondhand fashion is outdated, manual, and inefficient.At Fleek, we are changing this narrative. Our mission is to position secondhand fashion as the preferred choice. We are developing the essential infrastructure that supports the global secondhand clothing market, including a B2B marketplace and AI systems that digitize the supply chain.With Fleek, vintage stores, online resellers, and retail buyers can directly source graded secondhand inventory from wholesalers and rag houses across various countries. Our flagship technology, FleekSort, is a cutting-edge AI model specifically trained on secondhand fashion, enabling it to grade, price, and categorize items with just a single photo. This transforms a traditionally opaque and manual trade into a structured, searchable, and tradable global inventory.Since our inception in 2022, we have successfully diverted 9 million items from landfills and have experienced a threefold growth year-on-year. Our fundraising efforts have garnered approximately $50 million from esteemed investors like a16z, Y Combinator, Burda Principal Investments, and HV Capital, culminating in our recent Series B funding round. Our advisory team includes industry veterans from Depop, Shopify, and Postmates.Currently, we serve thousands of resellers and retailers across the UK, Europe, and the US, with the secondhand fashion market projected to reach $350 billion by 2027. Fleek is poised to establish itself as the AI-driven operational and financial backbone for global secondhand commerce.We seek individuals passionate about building impactful solutions and who are eager to move quickly. Interested? Read on!About the RoleWe are looking for a Senior Product Engineer (backend) to join our product engineering team at Fleek. You will report directly to our CTO, Sanket Agarwal (formerly of Google and Postmates), and collaborate closely with a product manager and designer within a small, senior squad dedicated to enhancing the core marketplace experience.What Makes This Role UniqueFleek is pioneering the digitization of an industry that has historically lacked technological integration. There are no pre-existing frameworks for developing an e-commerce experience tailored to the secondhand fashion market at wholesale scale, where each item is unique, inventory levels are unpredictable, and quality assessments are performed by AI across multiple continents. You will play a crucial role in designing the transaction layer for an entirely new market.As part of our Growth team, you will oversee the e-commerce journey from discovery through to checkout and payment processes, ensuring a seamless experience.

Join Us in Revolutionizing the Supply Chain!Did you know that the fashion industry generates over 100 billion garments annually, with around 60% ending up in landfills? This waste isn't due to a lack of demand, but rather a broken supply chain that struggles to transition secondhand fashion from donations to resale.At Fleek, we are committed to changing this paradigm. Our mission is to position secondhand clothing as the primary choice for consumers. We are constructing the infrastructure necessary for a robust global secondhand clothing marketplace, powered by innovative AI systems that digitize the supply chain.Through our platform, vintage shops, online resellers, and retail buyers can source meticulously graded secondhand inventory directly from wholesalers and rag houses worldwide. Our key differentiator is FleekSort, an AI model specifically designed for secondhand fashion, capable of grading, pricing, and categorizing items with just a photo, transforming a traditionally opaque and manual trade into a structured, searchable, and tradable global inventory.Since our inception in 2022, we have rescued 9 million items from landfills and have experienced remarkable growth, tripling in size year-on-year. With approximately $50M raised from prominent investors including a16z, Y Combinator, and HV Capital, we recently concluded our Series B funding round. Our team includes seasoned advisors and investors from leading firms like Depop, Shopify, and Postmates.Currently, we cater to thousands of resellers and retailers across the UK, Europe, and the US. Given the secondhand fashion market's projected value of $350B by 2027, Fleek is poised to establish itself as the AI-driven operational and financial backbone of global secondhand commerce.We seek passionate individuals eager to create meaningful impact and to thrive in a fast-paced environment. Interested? Read on!Role OverviewWe are in search of a Senior Technical Recruiter who will take charge of the complete hiring process for our Engineering and Product teams in London and lead the establishment of Fleek's talent acquisition function. Reporting directly to the Head of Talent, you will play a pivotal role in technical hiring at one of Europe's most dynamic AI startups.This position operates within a fast-paced, early-stage environment where job briefs may sometimes be ambiguous, the brand identity is still evolving, and the necessary infrastructure is concurrently being built. You will contribute to both the hiring process and the overarching talent architecture, which includes role frameworks, interview structures, sourcing playbooks, and AI-integrated hiring workflows. At Fleek, we innovate with AI, not just utilize it. You will leverage tools such as Claude Code to develop real recruiting products and systems, beyond merely drafting outreach messages.

Join Us in Revolutionizing the Supply ChainThe fashion industry is a colossal market, generating over 100 billion garments annually, with a staggering 60% ending up in landfills. This occurs not due to lack of demand, but rather because the supply chain facilitating the transition of secondhand fashion from donation to resale is outdated and inefficient.At Fleek, we are committed to changing this narrative. Our mission is to make secondhand fashion the preferred choice. We are developing the foundational infrastructure for the global secondhand clothing trade—including a B2B marketplace and innovative AI systems that digitize the supply chain.Through Fleek, vintage shops, online retailers, and enterprise buyers can source curated secondhand inventory directly from wholesalers and rag houses across various countries. Our flagship tool, FleekSort, is an AI model specialized in secondhand fashion, adept at grading, pricing, and categorizing items with just a photo, transforming a historically opaque trade into a transparent, structured, and searchable global inventory.Since our inception in 2022, we have successfully diverted 9 million items from landfills and have seen our business grow by threefold each year. With approximately $50M raised from top-tier investors including a16z and Y Combinator, and the recent closure of our Series B funding, we are well-positioned for continued growth. Our advisory board includes industry leaders from Depop, Shopify, and Postmates.We proudly serve thousands of retailers and resellers across the UK, Europe, and the US, and with projections showing the secondhand fashion market reaching $350B by 2027, Fleek is establishing the AI-driven operational backbone necessary for global secondhand commerce.Are you ready to make a meaningful impact and thrive in a fast-paced environment? If so, we want to hear from you!Role OverviewWe are seeking an Account Manager who will take ownership of a portfolio of Fleek's marketplace clients, focusing on customer retention, wallet share expansion, and overall account health.In this role, you will oversee a diverse range of clients, including resellers, vintage shops, and large enterprises across the UK and US. You will serve as their primary point of contact while developing systems and processes that facilitate scalable and high-quality account management. Your clientele will range from small online retailers to significant enterprises that transact considerable volumes with Fleek.This position demands proactive engagement rather than passive relationship management. You will be competing for market share against wholesalers from various regions, including the Middle East, US, and Europe. A deep understanding of your customers' businesses is essential, as is the ability to identify and resolve their challenges while discovering innovative opportunities for increasing their expenditures with Fleek each month. The ideal candidate will demonstrate entrepreneurial spirit, adaptability to ambiguity, and an AI-centric mindset to scale operations effectively.

Join Us in Revolutionizing the Fashion Supply Chain!The fashion industry generates over 100 billion garments annually, yet a staggering 60% ends up in landfills. This waste is not due to a lack of demand, but rather a fractured supply chain that struggles to transition secondhand fashion from donation to resale effectively.At Fleek, we are committed to changing this narrative. Our mission is to prioritize secondhand fashion as the first choice for consumers. We are constructing the infrastructure that supports the global secondhand clothing market through a cutting-edge B2B marketplace and AI systems that digitize the entire supply chain.With Fleek, vintage shops, online retailers, and retail buyers can easily acquire graded secondhand inventory directly from wholesalers and rag houses across various countries. Our innovative AI model, FleekSort, is adept at grading, pricing, and categorizing items using just a photograph, transforming what was once a manual and obscure trade into a transparent, structured, and tradable global inventory system.Since our inception in 2022, we have successfully diverted 9 million items from landfills and have experienced a threefold growth year over year. We've secured approximately $50 million in funding from prominent investors including a16z, Y Combinator, Burda Principal Investments, and HV Capital, recently closing our Series B round. Our advisory board features leaders from Depop, Shopify, and Postmates.Currently, we cater to thousands of resellers and retailers across the UK, Europe, and the US. With the secondhand fashion market projected to reach $350 billion by 2027, Fleek is poised to establish itself as the AI-driven operational and financial backbone for secondhand commerce on a global scale.We are on the lookout for passionate individuals eager to make a significant impact and drive rapid advancements. If this resonates with you, keep reading!Role OverviewFleek is in search of a seasoned Commercial Director to spearhead our key demand-side revenue function, focusing on customer acquisition and retention within a diverse client base. This role represents a unique opportunity to build and expand a modern sales organization that merges traditional relationship management with innovative AI technologies. The Commercial Director will report directly to co-founder Abhi Arora and will hold the highest sales/revenue position within the organization.In this position, you will manage customers generating monthly expenditures ranging from £10K to £100K+ on our pioneering platform, establishing systematic processes in areas currently characterized by ad-hoc strategies, and formulating the playbook for a contemporary, expanded commercial team thriving in an AI-centric environment.This role is pivotal as it aligns Fleek's developing product strategy with its revenue-generating engine. As we evolve towards piece-level inventory and AI-enhanced supply infrastructure, your leadership will be crucial in driving our mission forward.

Join Us in Revolutionizing the Fashion Supply Chain!Each year, the fashion industry generates over 100 billion garments, with a staggering 60% ending up in landfills. This waste isn't due to lack of demand; rather, the secondhand fashion supply chain is outdated, manual, and inefficient.At Fleek, we are dedicated to transforming this reality. Our goal is to establish secondhand fashion as the preferred choice for consumers. We are developing an innovative infrastructure that empowers the global secondhand clothing market through a B2B marketplace and AI-driven systems that streamline the supply chain.Fleek enables vintage boutiques, online resellers, and retail buyers to access high-quality graded secondhand inventory directly from wholesalers and rag houses worldwide. Central to our operations is FleekSort, an advanced AI model specifically trained on secondhand fashion, capable of grading, pricing, and categorizing items using just a photo. This technology transforms what has traditionally been a fragmented and manual trade into a cohesive, searchable, and tradable global inventory system.Since our inception in 2022, we have successfully diverted 9 million items from landfills and have experienced consistent year-on-year growth. With approximately $50 million raised from distinguished investors including a16z, Y Combinator, Burda Principal Investments, and HV Capital, we have recently completed our Series B funding round. Our advisors and private investors include industry veterans from Depop, Shopify, and Postmates.Currently, we serve thousands of resellers and retailers across the UK, Europe, and the US. With the secondhand fashion market projected to soar to $350 billion by 2027, Fleek is poised to become the AI-driven operational and financial backbone of secondhand commerce on a global scale.We are in search of passionate individuals eager to build impactful solutions and thrive in a fast-paced environment. If this excites you, continue reading!About This RoleAs the most senior engineering position within our organization, you will oversee the Demand product, which is crucial for driving revenue, growth, and customer engagement across mobile, web, and backend platforms. You will lead a talented team of approximately five engineers based in London, report directly to our CTO, Sanket Agarwal (formerly of Google and Postmates), and collaborate closely with our Product and Design teams.You will be responsible for everything that affects buyer conversion, retention, and growth speed.Why This Role Is UniqueAt Fleek, the Demand function is our most commercially vital area. You will not merely offer advice as a Staff engineer; you will have ownership over the entire system that transforms supply into revenue.Fleek is at the forefront of digitizing an industry that has yet to embrace technology. There are no established guidelines for creating a transaction layer around secondhand fashion at a wholesale scale, where each item is distinct...

Overview Join Tipalti, a dynamic fintech company located in the heart of London, dedicated to automating financial workflows for small and medium-sized businesses. Our engineering culture is robust, collaborative, and focused on making a tangible impact for our clients. As a Senior Full-Stack Engineer, you will merge hands-on engineering skills with a product-oriented mindset. You will define requirements, engage in technical discussions, and influence user experiences while managing the entire software development lifecycle. Responsibilities Develop robust, efficient, and well-tested code across the technology stack. Create new features and enhancements that align with product priorities. Participate in design and architecture discussions, shaping the technical direction. Review code with team members, ensuring clean code practices and quality standards are met. Collaborate closely with Product Managers to clarify requirements and propose solutions. Proactively identify questions, edge cases, and assist in refining specifications. Provide technical insights into prioritization and product decisions. Communicate effectively with designers, engineers, and stakeholders. Share knowledge and mentor colleagues as needed. Engage with external partners and vendors for integration work when necessary. Requirements Experience building across the full stack and a keen interest in learning new technologies. A passion for writing clean, maintainable, secure, and well-tested code. Strong collaboration skills and a preference for team environments. A curiosity about customer needs and the ability to translate them into technical solutions. A commitment to continuous learning and knowledge sharing within the team. Preferred Tech Skills Proficiency in JavaScript / TypeScript, Node.js, and React (or similar frameworks). Experience with REST APIs or microservices architecture. Familiarity with MongoDB. Knowledge of cloud services, particularly AWS. Why Join Tipalti? An open, inclusive, and supportive engineering culture.‍ Opportunities to build products utilized by some of the world’s fastest-growing companies. Equity options in a late-stage scale-up.

Who Are We? At Ki Insurance, our influence can be seen in various groundbreaking headlines. From insuring space shuttles to world tours, wind farms, and even the legs of footballers, our impact is substantial.Our mission aims to digitally disrupt and transform a 335-year-old industry. Collaborating with Google and UCL, we have developed a platform that leverages algorithms, machine learning, and large language models, enabling insurance brokers to receive quotes in mere seconds rather than days.As the largest global algorithmic insurance carrier, Ki is the fastest-growing syndicate within the Lloyd's of London market, achieving a remarkable $100 million in profit within just three years.Our teams consist of diverse talents working in an agile, cross-functional environment, dedicated to delivering the best possible experience for our customers. With ambitious goals ahead, we seek exceptional minds to challenge the status quo and help us explore new heights.Your Role:As a Senior Full Stack Engineer, you'll be an integral part of our development team, contributing to our broker platform, which is vital to Ki's success. Our multi-disciplinary team combines expertise in software and data engineering, full stack development, platform operations, algorithm research, and data science. We focus on delivering impactful features through an iterative and analytical approach.Your Responsibilities: Develop robust and scalable software for critical web-based applications.Create visually appealing, functional, and efficient web and mobile sites that enhance these applications.Design, build, test, document, and maintain APIs and integrations.Implement quality control through industry-standard practices such as automated testing, pair programming, and code reviews.Collaborate with the Product team to translate end-user requirements into effective technical solutions.Document technical designs and analyses.Evaluate current system architecture for growth and improvement opportunities.Construct mock-ups or prototypes for exploring and troubleshooting new initiatives.Engage with the Product team and UX designers to review designs, implement new features, and ensure an exceptional user experience.Investigate new ideas and emerging technologies, rapidly developing prototypes.Promote and enhance the engineering team’s principles and methodologies.Act as a domain expert for Ki’s core technologies.Mentor and coach colleagues in engineering and business aspects.

Who We Are:At Omaze, we empower our community in the UK and Germany to win luxurious homes and transformative prizes while supporting the causes they cherish.With the support of our Omaze Community, we’ve successfully raised over £100 million for UK charities in just five years. This funding has been vital for organizations such as Age UK, the RSPCA, British Heart Foundation, and Great Ormond Street Hospital Charity, enabling them to carry out life-saving work.And the exciting part? We’re just getting started! Omaze is dedicated to fostering a business and culture that prioritizes growth and creates a significant social impact on a global scale.Why You’ll Love Working at Omaze:Growth: Join one of the fastest-growing companies globally.Impact: Collaborate with a team of change-makers committed to creating a ripple effect of good.Innovation: Be part of an initiative that’s paving new paths for social good.Culture: We work diligently, grow together, and spread positivity throughout our journey. About The RoleAs a Senior Full Stack Engineer, you will leverage your extensive experience to develop innovative platforms aimed at empowering nonprofits in their transformative missions. Your commitment to code quality and craftsmanship drives you, alongside a strong desire to deliver customer value. Ideally, you possess a comprehensive understanding of various technologies, applying them effectively to design features or systems.Effective communication and organizational skills are key to this role. You will translate ideas and requirements into actionable work units, collaborating seamlessly with both technical and non-technical audiences. A continuous improvement mindset will enable you to enhance both your own skills and those of your colleagues. You value diversity, inclusivity, and enjoy mentoring others in their professional growth.In this position, you will take ownership of the technical quality, execution, and delivery of user stories. Your ResponsibilitiesUtilize your software and full-stack expertise to collaborate with a close-knit engineering team focused on building platforms for social good.Write, test, and maintain code and infrastructure that drives the application.Participate in designing and implementing new features that enhance user experience.

About YASOYASO serves as the ultimate operating system tailored for international brands entering the Chinese market, crafted by a dedicated team of experts in China, technology, and startup operations. Our innovative plug-and-play solution seamlessly manages the entire spectrum of cross-border ecommerce and social commerce, encompassing store operations, pricing strategies, influencer collaborations, and logistics—all driven by our proprietary technology.We empower brands with complete visibility across all performance metrics, including traffic, conversion rates, revenue, influencer ROI, content management, and inventory levels. For the first time, brands can monitor and manage their business operations in China in real time, utilizing data that is transparent, measurable, and actionable.By transforming outdated legacy systems into a cohesive, data-driven infrastructure, YASO enables international brands to reclaim control over their growth trajectory in China.In light of our recent Series A funding round, we are excited to expand our global team across London, Shanghai, and beyond, as we redefine the future of cross-border retail.The RoleJoin our dynamic team to collaborate with our Product Manager and engineering professionals to develop customer-facing platform features and internal tools that facilitate a self-service experience for our enterprise customers. You will be responsible for deploying data integrations, operational tools, and independent product capabilities that are essential to scaling our customer base tenfold.Reporting directly to our Founder (James, located in London), you will engage daily with your team members, the Product Manager, and YASO's operations team in Shanghai. You will also have regular opportunities for in-person collaboration with our international teams across Europe and Shanghai.Within your first 60 days, you will have successfully deployed at least one feature that our operations team or customers utilize weekly, taking ownership of the entire process from inception to delivery.You WillDevelop end-to-end features from database schema to user interface that address genuine operational challenges and yield significant impact for our team and customers.Design and implement APIs that support both internal tools and customer-facing platform functionalities, ensuring security, scalability, and maintainability.Translate product requirements into technical solutions. Collaborate with our Product Manager to refine specifications, evaluate feasibility, and identify architectural concerns before they escalate.Take ownership of your code in production. Manage deployment, monitoring, troubleshooting performance issues, and maintaining the systems you create.Work asynchronously across time zones. Engage daily with our engineering team in Shanghai, contributing to a shared data infrastructure and our unified codebase.Participate in the EU-based on-call rotation to uphold system reliability.Influence our engineering culture through comprehensive code reviews, documentation, and sharing best practices with the team.Shape our roadmap by providing valuable technical insights on our strategic direction.

At GetGround, we strive to revolutionize property investment, making it safer, quicker, and more accessible for landlords. Our belief in AI's transformative power drives us to enhance the landlord journey, reimagining the entire process of property investing. Our vision is to disrupt the £1.7 trillion UK asset class, creating a future of buy-to-let that is distinctly innovative.We delve into the ideas, predictions, and data trends that will shape this evolving landscape and their implications for landlords and the PropTech industry.Our core values—no BS, pursuit of excellence, feedback obsession, and healthy ego—form the foundation of our culture, inspiring our team to deliver a world-class investment experience for our users.By the Numbers: 85+ GetGrounders (ex Google, Meta, Deliveroo, Startups) £2bn+ of assets under management 30,000+ users across 70 countriesSeries A with a strong runwayYour Role:As a Senior Full Stack Engineer, you will craft innovative solutions in a dynamic environment where technical excellence meets product thinking. Join one of our cross-functional product teams in London, collaborating closely to develop user-facing AI-native products that redefine software development.Our Work Culture:At GetGround, we prioritize AI not just in our products, but also in our coding practices, system reasoning, and professional growth as engineers. We seek Full Stack Engineers who are enthusiastic about collaborating across the technology stack and comfortable utilizing AI tools throughout both the discovery and delivery phases.What Matters to Our Engineers:Commitment to technical excellence, supported by rapid feedback loops and AI-enhanced workflows.Clear and thoughtful communication across code, documentation, and discussions.Eagerness to contribute to a high-performing team culture.

Corgi builds insurance products for tech startups, using AI to power underwriting and streamline payments. The company operates as a licensed carrier and recently raised $108 million to fuel growth across the UK and EU. The core platform relies on Django and integrates Stripe for payments. The London team is expanding to support this next phase. Role overview The Senior Full-Stack Engineer role centers on taking products from idea to launch with little oversight. Independence and initiative matter here: those who have shipped real products, built weekend projects, or launched tools used by others will stand out. This is a hands-on role focused on building, not just maintaining existing systems. What we value Drive to work at the speed of a startup Proven track record delivering real projects Ability to achieve results in hours or days Comfort working across the stack and adapting as needed Confidence in technical decisions, with openness to new ideas Emphasis on outcomes rather than hierarchy How we work Quick decision-making, prioritizing progress over perfection Frequent shipping of new products and process changes Ship-and-iterate approach over drawn-out reviews Intense periods during launches, followed by quieter stretches Transparency in decision-making, no private channels Internal competition to encourage high standards Behaviors that don’t fit Office politics, avoiding responsibility, or gossip Reacting defensively to feedback Introducing unnecessary complexity Missing deadlines after committing to them How to apply Send links to your GitHub, personal site, or live projects you’ve built CVs are optional Email applications to: sergio@corgi.com Be ready to show proof of completed work Location and compensation London-based, with on-site or hybrid arrangements Base salary: £75,000 to £140,000, plus equity Range reflects ability to ship, not just job title

Ebury empowers ambitious businesses to unlock global growth, championing the same ethos for our team members. We foster a culture of innovation, collaboration, and problem-solving, creating an environment where everyone feels valued, supported, and empowered to thrive.If you are a collaborative spirit eager to revolutionize global business operations, we invite you to connect with us. We would love to discuss how Ebury can propel your career forward and enable you to shape the future.Senior Full Stack Engineer (Cards)Hybrid Work Model - 4 days in the office, 1 day remoteWe are seeking a Senior Full Stack Engineer to join our rapidly expanding Cards team. In this role, you will engage with innovative fintech products, addressing customer challenges through data-driven solutions and an entrepreneurial mindset. We are looking for a candidate who is endlessly curious, passionate about continuous learning, and adept at selecting the right tools for the task at hand, irrespective of the programming language or framework utilized.What We Provide:Attractive salary and comprehensive benefits package.Professional development opportunities within a leading European fintech firm.Significant ownership and visibility within a vital business initiative.A collaborative, open, and dynamic workspace.The opportunity to influence how global businesses connect with Ebury.Key Responsibilities:Lead the design and implementation of intricate features for customer-facing web applications.Possess experience in FinTech, banking, or a closely related sector, with a solid grasp of financial systems and development within a regulated environment.Drive frontend development using React/VueJS, alongside backend development with Python.Work with data engineers to design, construct, and optimize robust data pipelines for analytics and machine learning.Manage the entire product lifecycle, encompassing development, maintenance, monitoring, and alerting.Mentor junior engineers and promote technical excellence.Collaborate across departments to deliver impactful solutions.Contribute to the technical roadmap, identifying areas for innovation.Ensure code is easily testable with comprehensive test coverage.Stay informed about emerging technologies.This role may require occasional on-call duties.

Role Overview Join us as a Full Stack Engineer at Theodo, where you'll have the chance to work directly with clients, including CEOs and co-founders, to understand their unique requirements and develop tailored solutions. You'll engage in hands-on learning from day one, guided by seasoned developers who will mentor you in managing your own projects. As you progress, you'll take on greater responsibilities, mentor junior developers, and become a key technical advisor within your team. If you excel at solving complex problems and are eager to expand your technical skill set while tackling new challenges, this is the opportunity for you.In this role, you will be part of a small, dynamic team focused on creating innovative web and mobile applications for our clients. Collaboration with agile and technical coaches will be essential as you build scalable solutions using the latest technologies.

(Applicants must be based in London, UK)About the RoleWe are on the lookout for talented and driven Full Stack Engineers to join our innovative team at Herondata. As a pivotal member of our fast-growing AI startup, you will play a crucial role in crafting elegant technical solutions that address our customers’ diverse challenges. If you are passionate about delivering high-quality code and are eager for a rewarding new challenge, we want to hear from you!Key ResponsibilitiesIn this hands-on role, you will focus on developing products that provide real solutions for our customers. Your responsibilities will include:Creating, maintaining, and enhancing backend services and APIs.Developing and designing new UI and web components.Integrating with third-party services and AI models.Assisting in bug triage, investigating production incidents, and contributing to postmortems and root cause analyses.Engaging in code reviews and collaborating with both technical and non-technical teams and stakeholders.What We SeekOur ideal candidate will:Be passionate about building impactful solutions: You enjoy shipping code rapidly, valuing MVPs and customer outcomes more than perfection. You take ownership of the deployment of your work.Excel at solving complex technical challenges: You can break down problems into simple, effective solutions, maintaining a fact-based and thoughtful approach.Focus on scalability: You prioritize impactful action while ensuring scalable infrastructure and engineering processes. You bring innovative practices to improve our systems.Contribute within our tech stack: We are currently utilizing Python/Flask/FastAPI for the backend, Terraform/GCP/AWS for infrastructure, and React/JavaScript/TypeScript/Vercel for the frontend. Your ability to contribute and enhance our stack is essential.

About the RoleWe are seeking a talented Senior Full-Stack Engineer to become a vital part of our ongoing trading platform development for a major enterprise client. This system is critical to production, long-lasting, and continuously evolving, with a significant emphasis on performance, reliability, and maintainability.While Applied Blockchain is recognized for its advancements in distributed ledger technology and cryptography, this position focuses on a non-blockchain trading system utilizing cutting-edge TypeScript-based technologies.You will join a highly skilled team of senior engineers and QA developers, where autonomy, technical ownership, and thoughtful decision-making are paramount.Your Responsibilities IncludeDesigning, developing, and maintaining features across the full stack of an internal trading platform.Working primarily with:TypeScript (Node.js & React)Monorepo tooling, GitHub, GitHub ActionsJest, PlaywrightRedis, MS SQL, WebSocketsDocker, KubernetesObservability tools (Grafana, Prometheus, SonarQube)Taking complete ownership of features from conception through to production.Collaborating closely with platform/DevOps engineers on build pipelines, observability, and operational concerns.Interfacing directly with clients to clarify requirements and propose effective solutions.Contributing to and enhancing automated testing practices.Participating in peer code reviews to maintain high engineering standards within the team.Utilizing LLM/AI enabled development tools and techniques (with access to the latest OpenAI/Anthropic models) in everyday development.Qualifications8+ years of professional software development experience.3+ years of hands-on experience with TypeScript, including Node.js and React.Proven experience in building and maintaining production systems.Able to work effectively within a senior, autonomous engineering team.Excellent communication skills with fluency in English.Hybrid work arrangement (London).Preferred QualificationsFamiliarity with functional programming concepts or languages (e.g., OCaml, Haskell).Prior experience in trading, finance, or real-time systems.Strong understanding of DevOps and operational aspects (logging, metrics, automation).London-based candidates preferred.Willingness to participate in company/client events and travel as necessary.Benefits5 dedicated training days per year.£1,000 annual training allowance (up to 50% for home workstation equipment).Company-provided equipment and onboarding kit.In-person team events every quarter.Annual bonus based on company performance.

Join Faculty as a Full Stack Software Engineer and be part of a dynamic team that is pushing the boundaries of technology. We are looking for an innovative and driven individual who thrives in a fast-paced environment and is passionate about building scalable applications.As a Full Stack Software Engineer, you will work on both front-end and back-end development, collaborating closely with cross-functional teams to deliver high-quality software solutions that meet our clients' needs.

Who We AreAt Intropic, we are revolutionizing financial intelligence by merging profound market expertise with cutting-edge AI technology. Established in the heart of London’s Canary Wharf, our mission is to simplify complex data into actionable insights. Our workplace culture thrives on values such as truth-seeking, speed, and accountability, shaping our collaborative and innovative environment. We prioritize integrity and impact, encouraging curiosity and independent thinking. If you are passionate about tackling challenges, driven by innovation, and eager to enhance your intelligence alongside a team of brilliant minds, Intropic is the perfect place for you to bring your ideas to life.Who We Look ForAs a dynamic fintech start-up with a successful product lineup, we are on the brink of launching our next groundbreaking initiative. We seek individuals who excel at solving complex, open-ended problems across various domains; our engineers are expected to engage in more than just routine tasks. A typical week might involve debugging Python code, implementing infrastructure changes, engaging with early adopters, and collaborating on strategic planning with team leads. We value talent over traditional resumes; if you are interested, we would be thrilled to hear from you!

Pharmacy2U, the UK's largest online pharmacy, serves over 1.8 million NHS patients and has been a trusted name in digital healthcare for 25 years. As a certified B Corp and Great Place to Work, the company is committed to high social and environmental standards, transparency, and a supportive workplace. Role overview This Full Stack Engineer position is based in London with a hybrid work model. Expect to work from the central London office twice each month. The role is permanent and full-time. Core hours are 09:30 to 16:00, with flexibility to adjust your schedule around these times. What you will do Share technical responsibility for both current and new services. Collaborate with engineers, clinicians, algorithm developers, and Quality Analysts to deliver solutions that are reliable and well-tested. Take part in an out-of-hours on-call rota when required. On-call duties are scheduled fairly and include additional compensation. Who we’re looking for The team is seeking a skilled, detail-oriented Full Stack Engineer who values collaboration and problem-solving. A strong commitment to quality and a desire to improve healthcare for millions are important in this role. Why join Pharmacy2U? Work alongside a team focused on enhancing patient care through technology. Join an organization recognized for its positive culture and social responsibility. Receive a comprehensive benefits package and a competitive salary based on experience. Benefit from supportive and flexible working arrangements.

Corgi builds insurance products for tech startups, using artificial intelligence to power underwriting and streamline processes. The company operates as a fully licensed carrier, has raised $108M, and is expanding into the UK and EU. The platform relies on Django and Stripe, with a focus on fast, AI-driven solutions. Role overview This Full-Stack Engineer position is based in London. The team values people who turn ideas into working products, whether through side projects, weekend builds, or tools that real users rely on. Engineers here often work independently, taking projects from concept to deployment without waiting for a detailed roadmap. Self-starters who enjoy building and shipping quickly will feel at home. Requirements Track record of independently developing and launching projects that reached users Comfort working across the stack, especially with Django and Stripe Ability to deliver results in hours or days, not long cycles Adaptability and willingness to change direction as needed Strong opinions, paired with openness to better solutions Focus on outcomes and results over job titles How we work Decisions happen quickly, prioritizing action over perfection Products and process changes launch regularly, not just on a quarterly basis Ship-and-iterate mindset: feedback and improvement come after launch High energy is expected during product pushes and quieter times Transparency: decisions are made openly Internal competition is encouraged, with top performers raising the bar This is a hands-on role for builders who want to make an impact. Behaviors that lead to removal Office politics, avoiding responsibility, or gossip Taking direct feedback personally instead of constructively Adding unnecessary overhead instead of streamlining Missing deadlines after committing to them How to apply Send links to GitHub, personal sites, live projects, or shipped work Resumes are not accepted Email applications to: sergio@corgi.com If you cannot show shipped work, this role is not a fit Location and compensation London-based, with on-site or hybrid options Base salary: £75,000 to £140,000, plus equity Compensation is based on ability to ship, not job titles