Who We AreLightning AI is the innovative force behind PyTorch Lightning, established in 2019. We provide a comprehensive platform designed to streamline the development, training, and deployment of AI systems, effectively bridging the gap between research and production.Our merger with Voltage Park, a neocloud and AI Factory, empowers us to combine developer-centric software solutions with economical, large-scale computing capabilities. We equip teams with essential tools for experimentation, training, and production inference, ensuring built-in security, observability, and control.We cater to solo researchers, startups, and large enterprises alike, operating globally with offices in cities such as New York City, San Francisco, Seattle, and London. Our efforts are supported by notable investors including Coatue, Index Ventures, Bain Capital Ventures, and Firstminute.What We’re Looking ForWe are seeking a skilled Backend Engineer to develop and enhance the Lightning AI platform across various components, from the frontend and CLI to API, billing, security, and integrations. You will take full ownership of key features, driving development from concept to production while collaborating with a talented team of engineers, product managers, and designers. This role offers the chance to create groundbreaking technology that will revolutionize the machine-learning ecosystem!This hybrid position is based in our London office with a requirement of 2 in-office days per week. The salary range for this role is $120,000 - $250,000.

About UsLightning AI, the driving force behind PyTorch Lightning, was established in 2019. Our mission is to create a seamless, end-to-end platform that simplifies the development, training, and deployment of AI systems, allowing innovative ideas to transition smoothly from research to production.Following our merger with Voltage Park—an AI Factory and neocloud—Lightning AI merges developer-centric software with efficient, large-scale computation. Our platform provides teams with the essential tools for experimentation, training, and production inference, all while ensuring security, observability, and control.We cater to a diverse clientele, including individual researchers, startups, and major enterprises. With a global presence and offices in New York City, San Francisco, Seattle, and London, Lightning AI is supported by esteemed investors such as Coatue, Index Ventures, Bain Capital Ventures, and Firstminute.Our Core ValuesMove Fast: We prioritize speed and precision, breaking down complex challenges into manageable tasks.Focus: We dedicate ourselves to completing one goal at a time, collaborating effectively to deliver precise features.Balance: We believe sustained performance results from adequate rest and recovery, promoting a healthy work-life balance.Craftsmanship: Innovation through excellence—every detail counts, and we take pride in honing our craft.Minimal: We embrace simplicity as a driver of innovation, focusing on what truly matters.Your RoleWe are seeking a skilled Frontend Engineer to enhance and scale the UI and frontend infrastructure of the Lightning AI platform.In this role, you will take ownership of crucial features, driving development from concept to completion while collaborating with a talented team of engineers, product managers, and designers. Your work will focus on ensuring speed, quality, and rapid iteration—from initial proof of concept to final release.With over 10,000 organizations utilizing Lightning AI, this position offers you a unique opportunity to influence how AI solutions are built and deployed in production environments.You will be part of the Growth Squad and report directly to our Director of Engineering. This hybrid role is based in our London office, requiring in-office attendance for 2 days each week.

About UsAt Lightning AI, we are the pioneers behind PyTorch Lightning, established in 2019. Our mission is to create a seamless end-to-end platform that simplifies the development, training, and deployment of AI systems, effectively bridging the gap between research and production.Following our merger with Voltage Park, an innovative neocloud and AI Factory, we deliver developer-centric software integrated with cost-efficient, large-scale computing. Our solutions empower teams with essential tools for experimentation, training, and production inference while ensuring robust security, observability, and control.We cater to a diverse clientele, including independent researchers, startups, and major enterprises. With global operations and offices located in New York City, San Francisco, Seattle, and London, we are backed by prestigious investors such as Coatue, Index Ventures, Bain Capital Ventures, and Firstminute.

About Mistral AIAt Mistral AI, we harness the transformative power of artificial intelligence to simplify daily tasks, save precious time, and enhance learning and creativity. Our innovative technology is crafted to seamlessly integrate into the fabric of everyday work life.We are on a mission to democratize AI through high-performance, optimized, and cutting-edge open-source models and solutions. Our robust AI platform is tailored to meet the diverse needs of enterprises, whether on-premises or in the cloud. Our flagship offerings include Le Chat, your AI assistant for both life and work.We pride ourselves on being a dynamic, collaborative team deeply passionate about AI and its potential to reshape society. Our diverse workforce thrives in competitive environments and is dedicated to fostering innovation. With teams distributed across France, the USA, the UK, Germany, and Singapore, we embody creativity, humility, and a strong team spirit.Join us on this exciting journey as we shape the future of AI, making a meaningful impact together. Discover more about our vibrant culture at https://mistral.ai/careers.Role OverviewWe are on the lookout for passionate and talented Software Engineers to join our team. As a Backend Engineer, you will play a pivotal role in developing the core systems that power our key products: AI Studio, Le Chat, and Mistral Code. You will shape how users and developers interact with our AI platform at scale. Your focus will be on building reliable, high-performance backend systems and APIs that support millions of users and developers. Your contributions will directly enhance the user and developer experience, making it more engaging, efficient, and intuitive. We welcome engineers at all levels, from fresh graduates to seasoned professionals who are eager to learn, collaborate, and deliver impactful solutions.Key ResponsibilitiesBased on your expertise, you will engage in crucial components of our technology, including:Backend Development- Design, develop, and maintain scalable and robust backend features and APIs using modern frameworks.- Ensure high performance and reliability across our distributed systems.- Contribute to systems that support authentication, billing, AI tooling, and observability.

About 9fin9fin is revolutionizing the global debt markets with its cutting-edge AI platform, catering to the world’s largest asset class valued at over $145 trillion.The debt markets are extensive, international, and essential, yet they are often hindered by disjointed data, PDFs, and manual processes. 9fin transforms this outdated framework by providing a unified platform that consolidates proprietary credit data, in-depth analysis, and streamlined workflows across global markets.Currently, 9fin supports over 300 prestigious institutions worldwide, including leading banks, asset managers, private equity firms, law firms, and advisory companies. Our rapid growth is marked by significant expansion in the US and an exceptional retention rate driven by extensive workflow adoption.We are at a pivotal moment in our journey. With a proven product-market fit and substantial global demand, 9fin is on the path to becoming the definitive platform for debt markets globally.What You'll Work OnYou will lead technical projects, defining and designing systems, swiftly creating proof of concepts, and collaborating closely with Product and our clients.Develop code and guide your team in delivering new service functionalities, implementing APIs, managing data routing/processing, and establishing automation mechanisms.Your primary focus will be on backend services and the web applications that support the 9fin platform.Assume a leadership role within project teams, conducting code reviews and mentoring junior developers, while also participating in early research and experimentation with new technologies to inform new features and products.Continuously enhance the 9fin codebase by automating, refactoring, and documenting when possible.Diversity is key: Our web platforms encompass a wide range of areas, including complex financial data modeling, environmental and energy data capture, integration of ML/AI prediction services, and data visualization and automation systems.Collaboration is vital: We form cross-functional teams for every project, incorporating the necessary domain expertise from 9fin in finance, law, and editorial. Your ability to convey complex projects to non-technical audiences will foster productive and efficient team collaboration.Developer Experience: By managing automated processes and enhancing the development environment, you will help improve the overall experience for developers.

About JuniorAt Junior, we are on a mission to revolutionize the investment research landscape with innovative LLM-powered tools designed specifically for private market investors. Our clientele includes some of the world's leading private equity and consulting firms, collectively managing billions in annual investments. As a profitable and bootstrapped enterprise, we have grown our team to 24 talented individuals across our London and NYC offices, and we achieved a remarkable 10x revenue growth in 2025.Discover more about our mission and values here. Role DescriptionAs our first dedicated Backend Engineer focused solely on our internal go-to-market and operations stack, you will play a pivotal role in shaping our technology framework. Your responsibilities will include:Crafting an AI-first tech stack from the ground up, influencing infrastructure decisions and priorities.Rapidly deploying internal tools and receiving immediate feedback from your team members, who will quickly become your strongest advocates!Developing and managing our data warehouse and internal data architecture.Engaging in innovative projects that leverage LLMs, automation, and advanced agent technologies.Cultivating our engineering culture. Sample Set of ProjectsUser Health Reporting + CRM Data Quality: Automate data pipelines to enhance metrics visibility in BI dashboards and ML evaluations, while establishing alert systems for risk signals.User Feedback Integration: Develop a tool that summarizes user feedback calls, prioritizes feature requests, and communicates findings to our Product team.Billing and Invoicing: Implement complex B2B pricing models encompassing usage-based, seat-based, and platform fees, while automating financial reconciliation processes.Data Warehouse Development: Create a data warehouse to integrate product, CRM, and operational data, and generate tailored dashboards for different teams. About YouWe are searching for a backend/data engineer who...

Backend Engineer About OutpostImagine a world where expanding your business globally is as easy as local sales. At Outpost, we are pioneering the AI-driven global trade engine, consolidating all the essential rules to facilitate international sales into a seamless infrastructure. Simply tell us what you’re selling, and we’ll guide you on how to sell it globally.Operating as the Merchant of Record or Tax of Record in over 58 tax jurisdictions, we take on full liability or just the tax layer. From analysis to setup, we absorb the complexities so you can focus on your business.Sell anything, anywhere, without compromise. The RoleWe are looking for a talented Backend Engineer eager to create complex financial infrastructures from the ground up. You will collaborate closely with our engineering leadership to implement payment flows, develop tax calculation engines, and build systems that power international commerce. Your insights will shape product and technical discussions, challenge existing assumptions, and help define our technical direction.Join us in constructing the infrastructure that empowers businesses to sell globally without the typical challenges. You will engage in payment processing, multi-currency ledgers, real-time tax calculations, merchant onboarding, and AI-powered compliance tools. Tackle challenging problems at real scale. What You’ll GetYes, the work can be intense, but you'll be building crucial financial infrastructure that manages hundreds of millions in transaction volume.Your contributions will significantly influence our technical direction, and you'll collaborate with a small team of experienced engineers, helping shape Outpost’s growth. If you're passionate about diving deep into payments, tax, and fintech infrastructure, this is the opportunity for you. What You’ll BuildPayment processing infrastructure capable of handling significant transaction volumesRobust ledger and reconciliation systemsTax calculation engines across multiple jurisdictionsReal-time transaction monitoring and risk management systemsMerchant onboarding and integration frameworksConnections with major e-commerce platformsAI/LLM powered taxation toolsAI/LLM driven fraud and risk management solutions What You’ll Do

Corgi builds insurance solutions for tech startups, using AI to power underwriting and streamline coverage. Backed by $108M in funding and operating as a regulated carrier, the company is expanding across the UK and EU. The platform relies on Django, integrates Stripe for payments, and emphasizes new product development. Role overview This Backend Engineer role is based in London and centers on taking projects from concept to live launch. The team values engineers who build and ship products, not just maintain existing systems. Candidates who have delivered personal projects or launched products with real users will feel at home here. The environment suits those who prefer moving quickly and seeing their work in production without long delays. What matters here Independently developing and launching working products Shipping projects quickly, often within hours or days Comfort working across the stack and tackling new challenges Balancing strong opinions with openness to better solutions Low ego, with motivation driven by results Energy and drive to thrive in a startup setting How the team works Quick decision-making, prioritizing progress over perfection Frequent launches and iterative improvements Products ship and evolve, rather than stalling in review High intensity during launches, with steady momentum at other times Transparency and open decision-making are encouraged Internal competition is seen as a way for everyone to improve This is a hands-on role focused on building. Coasting is not an option. Behaviors that end the role quickly Engaging in office politics, avoiding accountability, or spreading rumors Taking feedback personally instead of using it to improve Choosing complexity when simplicity is possible Missing deadlines after making commitments How to apply Send links to your GitHub, personal website, or live projects Resumes are not accepted Email your application to: sergio@corgi.com If you cannot show delivered work, this role is unlikely to be a fit Location and compensation London-based, with on-site or hybrid options Base salary: £75,000 to £140,000 Equity is available The wide salary range reflects a focus on proven ability to ship, not job titles

About XapienAt Xapien, we redefine the landscape of due diligence by empowering businesses with essential insights about their suppliers, investors, partners, and third parties. Our innovative approach integrates speed, scale, and precision through advanced AI technology.Since our inception in 2018, we have evolved from a deep-tech startup into a significant global player in AI-enhanced due diligence and risk intelligence. The year 2024 marked a pivotal moment for us, as we secured a $10 million Series A funding, achieved accolades in the Chartis RiskTech100® and Everest Group’s Leading 50™, and broadened our product offerings and market reach.Looking ahead to 2025, we are poised for even greater achievements. As organizations face mounting compliance demands and heightened reputational risks, they are increasingly seeking intelligent, efficient solutions—turning to Xapien for rapid, reliable insights that transform days of manual research into actionable intelligence in mere minutes.Our Growth JourneyWe are proud to serve customers across a multitude of industries, with notable expansion in wealth management, financial services, and supply chain onboarding. Our reach extends beyond the UK, with a growing clientele in the Middle East, Asia, and Oceania.Why Join Us Now?This role offers a unique opportunity to influence the future of the due diligence industry with a leading product that global organizations trust. Regardless of your background—be it marketing, communications, sales, or finance—you will play a vital role in driving growth, enhancing credibility, and connecting our product with an ever-evolving market landscape.As we scale rapidly, with increasing customer demand, product releases, and complex regulatory challenges, the stakes are higher than ever. Due diligence now demands instantaneous insights that are delivered effectively and impactfully. Your contributions will transcend traditional roles, as you will help shape strategies, refine processes, and elevate a brand that is setting new benchmarks for trust and transparency.For those passionate about learning, innovating, and making a significant impact, now is the perfect time to join Xapien.The PositionWe are in search of a Senior Backend Engineer to become a pivotal member of our engineering team, tackling some of our most complex technical challenges. You will be responsible for owning critical components of our platform’s architecture, driving innovation and quality in our backend systems.

Join Us at IntropicAt Intropic, we're pioneering the future of financial intelligence, merging deep market expertise with cutting-edge AI technology. Established in the financial hub of Canary Wharf, London, our mission is to distill complex data into clarity, precision, and actionable insights. Our culture is driven by values of truth-seeking, speed, and ownership, which shape our approach to building, learning, and collaboration. We prioritize integrity, impact, and a fast-paced environment where curiosity is not just welcomed, but vital. If you are eager for challenges, inspired by innovation, and ready to elevate your intelligence alongside a team of extraordinary minds, Intropic is the place where your ideas can flourish.Who We Are Looking ForAs a thriving fintech start-up with a proven range of products, we are now on a mission to create the next groundbreaking solution. We seek individuals who excel in tackling open-ended challenges across various disciplines. Our engineers engage in more than just standard tasks; your role may involve debugging Python, deploying infrastructure updates, engaging with product early adopters, and strategizing with team leaders. We value individuals over resumes; if this sounds like you, we would be excited to connect!

Corgi is an insurance carrier designed for tech startups, using AI to make underwriting and operations more efficient. With $108 million in funding and full licensing, Corgi is expanding into the UK and EU. The core platform runs on Django and uses Stripe for payments, blending strong engineering with insurance expertise. Role overview This Senior Backend Engineer role is based in London. The position centers on building and deploying products, often independently and without a fixed roadmap. Engineers who have shipped live projects, whether through side work, weekend builds, or prior roles, are especially valued. Key responsibilities Independently design, build, and launch backend systems and features. Turn ideas into production-ready products within tight timelines. Work with a Django-based stack, integrating Stripe and AI-driven workflows. Adapt to new technical challenges as the company grows. What Corgi looks for Proven ability to build and ship impactful projects independently. Comfort working at a startup pace, delivering results in hours or days. Ability to work across the stack and solve a range of technical problems. Strong opinions paired with openness to feedback and new ideas. Focus on outcomes and results rather than titles or hierarchy. High energy, collaborative spirit, and humility. How work happens at Corgi Quick decision-making, prioritizing action over waiting for perfect solutions. Products and improvements ship regularly, not just on a set schedule. Iterative development is preferred over long review cycles. Momentum is maintained even outside of major launches. Transparency is standard; decisions are made openly. Internal competition is encouraged to raise standards for everyone. This is a hands-on position for engineers who want to build and make an impact. Behaviors that lead to removal Office politics, blame-shifting, or gossip. Taking feedback personally rather than constructively. Introducing unnecessary bureaucracy. Missing deadlines after making commitments. How to apply Send links to your GitHub, personal website, or live projects you have shipped. CVs are not required. Email applications to: sergio@corgi.com Evidence of shipped work is required. Location and compensation London-based role, with on-site or hybrid options. Salary range: £75,000 to £140,000, plus equity. Salary depends on demonstrated ability to ship, not job title.

Join Edra: Pioneering Solutions in Enterprise AIAt Edra, we're tackling one of the most challenging issues in enterprise AI: while AI models are inherently generic, company processes are uniquely specific. Our mission is to develop AI agents that comprehend how these processes operate and effectively manage their tasks.As a Series A startup, we are proudly supported by Sequoia and other prestigious venture capital firms. With our teams expanding in New York and London, we are a highly technical group comprising engineers, AI researchers, and strategists who all uphold a rigorous standard for talent. We believe that exceptional individuals are the cornerstone of our future success.Your RoleWe seek dedicated Backend Engineers who are passionate about the art of software development. Your focus will be on implementing strong typing, thoughtful API design, and robust data modeling. You will not be developing AI models; instead, you will construct the surrounding ecosystem: the platform, workflows, interfaces, integrations, and observability that render our AI applicable in real-world scenarios. As one of the early engineers at Edra, you will have the opportunity to influence not only the product but also the engineering culture, tooling decisions, and technical frameworks upon which our company is built.Our approach is intentional and thorough. There is no distinction between 'building it' and 'shipping it'—you will oversee the journey from conceptualization to deployment, taking full ownership of your outcomes. We prioritize thoughtful development over speed, striving for a balance between velocity and quality.Key ResponsibilitiesDesign and implement platform systems utilizing Python (FastAPI), including API contracts, database schemas, and infrastructureDevelop and sustain connectors, integrations, and data pipelines that link our platform to external systemsCreate internal libraries, tools, and interfaces that enhance the productivity of the engineering teamTake full ownership of your work by gathering context, managing dependencies, and driving tasks to completion independentlyEngage in multiple roles across the stack—design a schema in the morning, develop the API layer in the afternoon, and troubleshoot a deployment issue by day’s endParticipate in weekly product meetings, understand user interactions with your creations, and help shape future developmentsCollaborate daily with a small, elite team of engineers and AI specialistsHave a direct impact on the technical direction: select tools, establish patterns, and define conventions for the team

At Scale AI, we’re not just creating AI tools—we’re leading the charge into the next frontier of enterprise AI. As organizations strive to leverage the capabilities of Generative AI, Scale stands at the forefront, offering innovative solutions that revolutionize workflows, automate intricate processes, and enhance efficiency for some of the largest enterprises in the world. Our Scale Generative AI Platform (SGP) provides essential services and APIs that empower businesses to effortlessly integrate AI into their operations at a production scale. We are on the lookout for a talented Backend Engineer to play a pivotal role in bringing large-scale GenAI systems into production. In this capacity, you will be responsible for constructing the core infrastructure that drives AI products for major enterprises—designing scalable APIs, distributed data systems, and resilient deployment pipelines that ensure production-grade reliability and performance. This is a unique opportunity to be at the epicenter of the GenAI revolution, tackling challenging backend and infrastructure obstacles that enable AI to function effectively at enterprise scale. If you are enthusiastic about influencing the deployment and scaling of AI systems in real-world scenarios, we would love to hear from you. At Scale, we don't just keep up with AI advancements—we drive them. With profound expertise in data, infrastructure, and model deployment, we are distinctly positioned to tackle the most challenging issues in AI adoption. Join us in shaping the future of enterprise AI, where your contributions will have a direct impact on how businesses operate, innovate, and thrive in the Generative AI era.

Join Our Dynamic Team at XapienAt Xapien, we empower businesses to truly understand their connections with suppliers, investors, partners, and third parties. Our innovative approach merges speed, scale, and precision, utilizing advanced AI technology.Since our inception in 2018, we've evolved from a deep-tech startup to a key player in AI-driven due diligence and risk intelligence. The year 2024 marked a significant milestone, with the successful closure of a $10M Series A funding round and accolades in the Chartis RiskTech100® and Everest Group’s Leading 50™. Our expansion has led to a broader product range, new market entries, and an expanding customer base.Our Growth TrajectoryWe're witnessing accelerated demand across various industries, especially in wealth management, financial services, and supply chain onboarding, extending our reach beyond the UK to customers in the Middle East, Asia, and Oceania.Why Now is the Perfect Time to Join UsThis position is not just another role; it’s a chance to influence the future of the due diligence sector with a market-leading product that organizations worldwide trust. Whether your expertise lies in marketing, communications, sales, or finance, your contributions will be vital in driving growth, enhancing credibility, and connecting our product with a swiftly changing market.As we scale rapidly, with an increasing number of customers and product releases, we face larger regulatory and market challenges. The expectation for real-time insights in due diligence is higher than ever. Your role will go beyond routine tasks; you will be shaping strategy, refining processes, and positioning a brand that is redefining trust and transparency.If you're passionate about learning, innovating, and making a meaningful impact, now is the time to join Xapien.The RoleWe are seeking a skilled Senior Backend Engineer to take on a pivotal technical leadership role within our engineering team. You will tackle our most complex technical challenges, take ownership of critical components within our platform’s architecture, and help guide our technical direction to ensure we continue to stay ahead in the industry.

About usOwkin is a pioneering AI company dedicated to unraveling the complexities of biology. Our goal is to develop the first Biology Super Intelligence (BASI) by integrating advanced biological large language models, diverse patient data, and intelligent software. Central to our innovation is Owkin K, an AI copilot, and our specially fine-tuned LLM, Owkin Zero, which researchers, clinicians, and drug developers utilize to gain deeper insights into biology, validate scientific hypotheses, and accelerate the delivery of improved diagnostics and therapies.Please submit your CV in EnglishAbout the role:As a Senior AI Backend Engineer at Owkin, you will be instrumental in developing our leading Agentic AI product for biomedical researchers by merging robust engineering practices with state-of-the-art AI technologies. You will engage with a real-time system that integrates LLMs, tool-calling, and interactive UI elements, ensuring our users can interact seamlessly with intricate, domain-specific data.This position demands a balance of traditional engineering principles and innovative methodologies as you integrate LLMs and AI into our technology stack. If you are passionate about building and enhancing a dynamic product, this opportunity is tailor-made for you.Your expertise and experience will be vital in steering our multidisciplinary team towards strategic choices and empowering your colleagues.In particular, you will:Collaborate within a multidisciplinary team of product managers, designers, software engineers, machine learning experts, and biomedical scientists.Design, build, and maintain scalable, reliable AI systems.Drive technical decisions and provide context-aware solutions for AI systems in biological research.Leverage and pioneer evaluation methodologies to ensure continuous product enhancement.Experiment with cutting-edge industry solutions, including orchestration patterns, fine-tuning, specialized monitoring, feedback loops, and more.Lead core stack component development with a focus on sustainability, scalability, security, reliability, and performance.Foster team growth by sharing your expertise and mentoring colleagues through code reviews, technical discussions, and knowledge sharing.About you...

Role overview airapps is hiring a Backend Engineer for its London Metropolitan Area team. This role focuses on designing and building scalable server-side applications that support the company’s products and services. What you will do Work closely with colleagues across different functions to develop backend systems Contribute to the architecture and implementation of server-side features Help ensure backend solutions can scale and perform reliably Location This position is based in the London Metropolitan Area.

Join Aircall, a revolutionary unicorn in the AI-powered customer communications sphere, trusted by over 22,000 companies globally to enhance revenue, expedite issue resolution, and empower customer-facing teams. We are transforming the landscape of customer communications by integrating voice, SMS, WhatsApp, and AI into a unified workspace.Our growth is driven by a straightforward principle: to enable teams to work smarter, not harder. Our AI Voice Agent automates routine calls, while AI Assist simplifies post-call tasks, and AI Assist Pro provides real-time insights, allowing individuals to excel in their roles. This synergy results in increased revenue, quicker resolutions, and scalable teams.Headquartered in Paris, with a solid presence in North America anchored in Seattle, Aircall also has teams in vibrant cities such as Madrid, London, Berlin, San Francisco, New York City, Sydney, and Mexico City. Our product is beloved by customers, and we are rapidly scaling, supported by top-tier investors and continuous AI advancements across multiple product lines.At Aircall, you'll become part of a dynamic company. We are ambitious, focused on product development, and execution-oriented, with a clear impact, swift decision-making, and genuine growth opportunities.Our Work Culture at Aircall: We prioritize customer satisfaction, leverage data for decision-making, and are dedicated to delivering significant outcomes. We cherish ownership, continuous improvement, and thoughtful agility. If you thrive in a collaborative, fast-paced environment where trust and impact are essential, you will thrive here.Position Overview:As a Senior Backend Software Engineer, you will take charge of designing, developing, deploying, and maintaining essential features that enhance customer value on our voice platform.You will be expected to advocate for best practices, mentor team members, and contribute to the broader Engineering community as part of your daily responsibilities.Quality, excellence, and agility are at the core of our delivery process, and you will play a pivotal role in elevating these standards.Utilizing a diverse array of backend technologies tailored to specific needs, all hosted on AWS, we create resilient services that deliver added value on top of voice while fully integrating with our customers' critical business tools (CRM, Helpdesk, E-Commerce, etc.).

Backend EngineerJoin Gradient Labs, where we are revolutionizing customer service standards.Established in 2023, we have rapidly transitioned from concept to a dynamic team, serving clients you recognize and trust. Our AI-driven solution empowers businesses to manage complex customer support challenges with confidence and efficiency, ensuring transparency and reliability in outcomes.Our dedicated team comprises seasoned professionals from esteemed organizations like Monzo, Pleo, and Google. We operate in a hybrid work model from our London office, conveniently located a short walk from Liverpool Street Station, fostering collaboration in person 2-3 days weekly.If you're eager to confront challenging AI problems and contribute to the evolution of customer operations, we invite you to apply! Your ImpactThis role transcends maintenance; at Gradient Labs, you will take charge of critical systems — from initial architectural choices to production, scaling, and navigating obstacles along the way.You will engineer the infrastructure that underpins reliable autonomous AI agents in real-world scenarios. This requires designing for resilience, ensuring observability, and deploying with assurance rather than waiting for an elusive perfect specification.Develop the OS for AI Agents — Build a secure, scalable platform that allows rapid iterations on autonomous agent capabilities, ensuring AI performs effectively in production.Implement Resilient Systems — Design and manage systems that withstand failures and resource constraints, with comprehensive observability integrated. Reliability is a fundamental expectation.Transform Products from Concept to Scale — Initiate projects from scratch, make pivotal architectural decisions, and retain responsibility as they expand. We are committed to our builds and see them through.Embrace Agility — Work in small, iterative cycles. Frequent deployments are expected. Comfort with uncertainty is imperative — our mission evolves faster than any roadmap. What You BringExtensive experience developing production software in a fast-paced environment, ideally within fintech, AI, consumer technology, or similarly high-stakes industries.Strong problem-solving skills and a proactive approach to engineering challenges.Familiarity with modern software development practices and methodologies.Ability to work collaboratively within a team and communicate technical concepts effectively.

About MetaviewMetaview is dedicated to eliminating toil in the workplace. We believe that toil hinders progress, much like friction impedes motion. Our innovative solution is found in Human-Computer Symbiosis.With the introduction of AI copilots, the way we work is set to transform:Encouraging a flow state while minimizing toil.Enhancing insight while reducing guesswork.Focusing on human-centricity rather than process-centricity.Metaview serves as the AI copilot for hiring processes.Founded in April 2018 by Siadhal and Shahriar, who left their roles at Uber and Palantir, respectively, to address their own challenges in product and team development. Today, we empower thousands of users at leading companies such as Quora, Robinhood, Brex, Elastic, and Replit.Our team is small, high-performing, and fast-paced, with a relentless focus on delivering exceptional work.

Join Our TeamAt Tracer, we are pioneering the development of autonomous AI agents designed to enhance production data pipelines. As a venture-backed startup, we are supported by a network of seasoned investors and industry leaders who share our vision of transforming AI into a critical component of enterprise software in the coming decade. Our compact team is composed of experienced professionals dedicated to delivering impactful solutions. Role OverviewWe are on the lookout for a Founding Senior Backend Engineer based in London. In this pivotal role, you will take ownership of building the core systems that convert production alerts into actionable root cause analyses (RCAs) and effective fix recommendations, targeting a select few high-value alerts.This position merges backend engineering with product development and customer-centric problem-solving, aiming to alleviate real-world production challenges with robust, reliable systems that engineers can depend on. Our Tech StackPython + LangGraph for multi-agent alert investigationRust for high-performance systemsClickHouse for managing high-volume event data and investigation historiesAWS + Terraform for self-sustaining infrastructureNext.js + TypeScript for an engaging frontend experience Key ResponsibilitiesAs the Founding Senior Backend Engineer, you will:Design and build the foundational alert, investigation, and root cause analysis (RCA) pipeline using Python.Develop essential systems including:Alert ingestion and normalizationContext enrichment and correlationProblem framing outputsHypothesis orchestration engineInvestigation execution runtimeInvestigation artifacts and reportingLead architectural decisions ensuring the system's observability, auditability, and reliability from day one.Work closely with the founders to deliver a focused set of high-impact alert types, while strategically expanding coverage.Create customer-ready documentation and reports that enhance user understanding and trust in the system.