Backend Product Engineer

Gradient Labs creates AI-driven tools for financial services, with a core product that acts as an AI operations agent tailored to the sector. Since its founding in 2023, the company has expanded rapidly, now serving recognized clients and focusing on safe, accurate handling of complex customer inquiries. The team brings together experience from Monzo, Pleo, and Google, united by a drive to solve difficult AI challenges and improve customer operations. Role overview The Product Engineer role in the London office goes beyond software development. Product Engineers at Gradient Labs look for ways to streamline processes, automate repetitive work, and remove obstacles for colleagues. The goal is to build and enhance systems that empower a small team to deliver meaningful results for the industry. What you will do Build the Control Center: Develop the main interface that lets customers configure, manage, and monitor the AI agent’s performance. Design user experiences: Create enterprise-grade interfaces that remain intuitive, aiming for the clarity and usability of products like Notion or Figma. Develop internal tools: Build applications that help the team address customer issues efficiently. Iterate quickly: Contribute in an environment where code is deployed frequently, often several times a day. Work across the stack: Use Go, PostgreSQL, Temporal, and Encore on the backend, with Next.js on the frontend. Location This role is based onsite at the London office.

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.

Join Gradient Labs to Revolutionize Customer Experience in Financial ServicesAt Gradient Labs, we are on a mission to create an innovative AI agent that transforms customer interactions and streamlines operational efficiency within the financial services sector.Established in 2023, we have rapidly progressed from a concept to a dynamic team, serving renowned clients who appreciate our cutting-edge solutions. Our AI agent is distinctive, being the sole AI operations agent tailored specifically for financial services, adept at managing even the most complex and critical customer inquiries with utmost safety and efficiency. It acts as a singular agent for all customer operations, providing businesses with the extensive visibility and control necessary to ensure reliable outcomes.Our team is small but formidable, composed of builders from prestigious organizations such as Monzo, Pleo, and Google. If you are passionate about solving challenging AI problems and wish to influence the future of customer operations and experiences, we eagerly await your application. Your Role as an AI Engineer at Gradient LabsAs an AI Engineer, your primary responsibilities will include:Agent Enhancement: Develop, assess, optimize, and expand the capabilities of our AI agent. This entails preparing datasets, iterating on enhancements, and thoroughly testing and deploying successful methodologies into our production environment.Experimentation & Prototyping: Stay ahead of the curve by keeping up with the latest advancements in NLP and generative AI. You will explore and prototype innovative solutions to integrate state-of-the-art technologies into our platform.Data Analysis: Examine customer query datasets, support tickets, and related information to uncover insights and identify further automation opportunities for our agents. Who We SeekIndividuals eager to challenge the limits of autonomous agents that emulate human behavior.Self-driven professionals who thrive in a fast-paced setting rather than lengthy research cycles.Quick learners who can summarize, replicate, and test ideas from academic research.Impact-driven contributors focused on the practical applications of the products they develop rather than solely on research outcomes.Resilient problem-solvers who can navigate the uncertainties and setbacks that come with experimental work.

Join Gradient Labs in Revolutionizing Financial ServicesAt Gradient Labs, we're on a mission to transform customer experience and operational efficiency through our innovative AI agent tailored for the financial services sector. Established in 2023, our startup has rapidly evolved from a concept to a dynamic team, serving well-known clients with our unique technology.Our AI operations agent stands out as the only solution designed specifically for the complexities of financial services, adeptly managing even the most challenging customer inquiries with safety and precision. More importantly, it acts as a cohesive agent across all aspects of customer operations, providing businesses with the visibility and control they need to trust their outcomes.Our team is composed of passionate builders from top companies like Monzo, Pleo, and Google. If you're eager to tackle some of the most significant challenges in AI and contribute to shaping the future of customer operations and experience, we want to connect with you.

Join Gradient Labs in revolutionizing customer experiences and operational efficiency in the financial services sector.Founded in 2023, Gradient Labs has rapidly evolved from an innovative concept to a dynamic team serving well-known clients. Our unique AI operations agent is the first of its kind tailored specifically for financial services, adept at addressing high-stakes customer inquiries with precision and safety. This all-encompassing agent provides businesses with the visibility and control needed for reliable outcomes across their operations.Our team comprises talented individuals from prestigious companies such as Monzo, Pleo, and Google. If you are eager to tackle complex challenges in AI and contribute to the future of customer operations and experience, we invite you to connect with us. Your Role and ImpactWe are in search of our inaugural Founding Platform & Security Engineer, a dedicated and skilled professional to join our expanding team. In this pivotal greenfield position, you will play a crucial role in designing and securing our advanced AI agent platform and its infrastructure from the ground up.As you report directly to the CTO, you will establish the technical vision for Platform & Security while working closely with AI, engineering, and product teams to effectively scale and deploy our platform across various cloud environments. This role offers an exciting opportunity to leverage your extensive security expertise, particularly within the AI domain, to create enterprise-grade security systems in a fast-paced and evolving landscape.Ownership of Scaling Deployments: Lead the charge on application, cloud, network, and AI agent scalability across our platform, driving the global deployment of our agent across multiple cloud environments.Architect & Implement Security Framework: Design and establish a robust security framework that encompasses customer-facing products, cloud infrastructure (AWS, Azure, or GCP), and enterprise integration points, safeguarding against both traditional and modern AI-enabled threats.Integrate Security within AI: Collaborate with our AI engineering teams to embed security best practices throughout model training, evaluation, and deployment processes, enabling innovation while maintaining safety and responsibility.Automation & Tooling: Enhance security operations through the integration of tools into CI/CD pipelines, ensuring efficiency and effectiveness.

As an AI Delivery Lead at Gradient Labs, you will spearhead the integration of cutting-edge AI solutions, driving innovation and excellence in delivery across our projects. Your role will involve collaborating with cross-functional teams to ensure that our clients receive the highest quality of service and transformative AI capabilities.

About UsAt The Economist Group (TEG), we are committed to fostering progress. Our organization thrives on innovation, independence, and rigor across various domains. We empower individuals and organizations to navigate and address the critical challenges facing the world today. Our analytical expertise, global perspective, and evidence-based insights provide the clarity needed to understand and adapt to significant shifts.We deliver comprehensive analysis and insights to our subscribers and clients in 170 countries through our esteemed divisions, including The Economist, Economist Impact, Economist Intelligence, and Economist Education, all of which uphold our global reputation for excellence and integrity.We are currently seeking a Head of Product to join our Economist AI Lab. This full-time role is pivotal to our AI research and innovation initiatives, offering a unique chance to collaborate with a dedicated team that is redefining how one of the world's most esteemed media brands embraces advancements in AI.In this position, you will spearhead the product development strategy within the AI Lab, guiding the evolution of pioneering product and service concepts. Your responsibilities will include creating overarching product visions and designing the roadmap to achieve those visions, adjusting as necessary. You will align technology, design, and customer research to ensure that we are developing solutions that deliver substantial benefits to future Economist subscribers.This role is ideal for someone who excels in dynamic, developing environments, adeptly connects new technological capabilities with customer needs, and enjoys the challenge of shaping the future rather than simply enhancing existing practices.This position is based at our London headquarters.

About Polygon LabsPolygon Labs is a pioneering global blockchain payments firm dedicated to constructing and managing infrastructure that facilitates instant, reliable, and scalable money transfers. Our mission is to transition all monetary transactions on-chain. We are developing the Polygon Open Money Stack, a cohesive and integrated suite of services and technologies designed to enable seamless and dependable money movement anywhere. Our robust infrastructure has enabled trillions of dollars in on-chain value transfers, supporting millions of daily transactions for some of the world's largest banks, fintech companies, enterprises, and consumer applications.Your RoleAs a Senior Backend Engineer at Polygon Labs, you will be instrumental in developing OMSX, the unified gateway and dashboard for the Polygon Open Money Stack. OMSX serves as the primary interface for developers and enterprises to integrate with Polygon Labs’ financial infrastructure, encompassing payments, wallets, and various on-chain services. This position presents a unique greenfield opportunity to architect and create backend systems from the ground up, handling high-scale infrastructure that processes transaction volumes in the hundreds of millions to billions while shaping the developer experience within the Polygon ecosystem.You will take ownership of significant components of the backend architecture, contribute to key system design decisions, and help lay the groundwork for a platform that empowers global monetary movement.Your ResponsibilitiesYou will be tasked with designing and constructing backend systems that drive OMSX and the broader Polygon Open Money Stack, prioritizing scalability, reliability, and developer experience.Design and implement scalable Go services that manage high-throughput financial workloads.Develop and maintain APIs for integration across various internal services and external financial systems.Create backend systems capable of handling substantial datasets with rigorous performance and reliability standards.Optimize PostgreSQL queries and data models for high-scale production environments.Implement caching techniques and performance enhancements utilizing technologies such as Redis.Contribute to system observability through structured logging, metrics, and monitoring solutions.Collaborate closely with frontend and platform teams to ensure a cohesive developer and user experience.Engage in architectural discussions and make informed decisions regarding system design trade-offs.

Join Sequence as a Product Engineer in London, where you'll be at the forefront of designing and developing innovative product solutions. We seek a passionate individual who thrives in a dynamic environment and is eager to tackle challenges head-on.

Join Evervault as a Product Engineer, where you will play a crucial role in shaping the future of our product offerings. You will collaborate with cross-functional teams to design, develop, and optimize innovative solutions that meet the needs of our clients. Your expertise will help us enhance the security and efficiency of our product line, ensuring we maintain our position as a leader in the industry.

At Intercom, we are redefining customer service through innovative AI solutions, ensuring businesses can provide exceptional customer experiences.Our flagship product, Fin, is recognized as the most advanced AI customer service agent on the market, allowing companies to deliver seamless, around-the-clock support while enhancing overall customer interactions. When paired with our Helpdesk, it evolves into the complete Intercom Customer Service Suite, catering to intricate queries that necessitate human intervention.Since our inception in 2011, Intercom has gained the trust of nearly 30,000 businesses globally, setting new benchmarks in customer service. We are committed to our core values, which drive us to push boundaries, operate with agility, and consistently offer unparalleled value to our clients.What’s the opportunity?As a Product Engineer at Intercom, your role will be pivotal in addressing real customer challenges through the intelligent and efficient application of your technical expertise. You will become an integral part of our multidisciplinary product teams, developing both back-end and front-end systems while collaborating closely with designers, product managers, researchers, and data analysts.We are currently navigating exciting scaling challenges as we build a resilient platform where your skills can be utilized in various areas such as crafting a user-friendly messenger composer, implementing rule matching, ensuring deliverability, upholding security, enhancing app availability, and leveraging machine learning, among others.What will I be doing?As a seasoned engineer, you will:Develop comprehensive technical plans and contribute to our architectural strategy as we scale our products to accommodate tens of millions of users daily.Craft Ruby code that integrates a variety of AWS, infrastructure, platform, and SaaS technologies that constitute the backbone of Intercom’s backend infrastructure.Deploy a change to production on your first day and launch a feature within your first week. This “day one” change is seamlessly integrated into production alongside numerous other deployments.

Join us at Plinth and tackle the challenges faced by charities head-on! Solve our Puzzle and earn £80k* while making a real difference. Apply now!Our MissionAt Plinth, your primary responsibility will be to identify and resolve the pain points that make working in charity frustrating, inefficient, and demoralizing. Every task you undertake will align with this mission.Your RoleEngage directly with users. You will visit charities and councils in cities like Belfast, Durham, Minneapolis, Warrington, and Slough to gain insights into their frustrations, and then you'll write code to address those issues.Rapid shipping and iteration. Develop quick prototypes, gather authentic feedback, and refine your solutions into delightful products. Utilize AI tools to maximize efficiency and output.Ownership of your projects. You will handle the entire development process of features in React/Next.js from inception through to deployment, taking full accountability for your work.What You Will AvoidEndless meetings to discuss ideas and write specifications.Seeking approvals or waiting for designs.Estimating story points or managing backlogs.Indicators of SuccessA user messages you saying, "This might sound silly, but..."You witness a user's emotional reaction when you unveil your creation.A user calls you a wizard while you code in their office during lunch.Support We OfferDirect access to customers — no intermediaries to filter feedback.Budget for tools — we will fund what you need to enhance your productivity.Sector expertise — we will equip you with the knowledge of the charity sector to build with true insight.What We SeekPassion. You have pursued a particular interest for years—whether it’s coding, history, or speedrunning. You understand the dedication it takes to achieve mastery.Exceptional Skill. You possess a unique talent that sets you apart (top 0.1%). You know what it is and are proud of it.

Join Us at NousDid you know that over 85% of households are overpaying on their bills? At Nous, our mission is to simplify life and advocate for fairness, starting with the 30 million households in the UK and aiming to expand further.Nous is tackling this significant yet often neglected issue. Our platform has helped users save substantial amounts of money—like Rob, who saved £1,030 annually, and Christian, who saved £950 yearly. With thousands of satisfied users, our Net Promoter Score proudly remains in the high +80s. We’ve been frequently featured on television and in print, discussing cost-of-living consumer challenges.Our product is an AI-powered assistant designed to help households effectively manage their bills, ensuring savings in both time and money. While it appears user-friendly, it’s one of the most ambitious consumer AI systems in the UK. We’re not just following trends; we are setting them. If you're looking for a straightforward task, this role isn’t for you.As a rapidly growing, well-funded start-up led by seasoned entrepreneurs, we have assisted over 150,000 individuals since the onset of the cost-of-living crisis.Nous is a B Corp, recognized for our dedication to high standards of social and environmental performance, transparency, and accountability. We take pride in our social impact.Since our launch last year, we’ve expanded our service across various channels—directly to consumers and through employers aiming to help their teams retain more of their hard-earned money using Nous. We are currently growing at over 10x year-on-year (~30% month-on-month) and have saved our customers over half a million pounds in just the last few months!The work is challenging. We move quickly, think critically, and maintain high standards. We embrace an office-first culture (conveniently located near Farringdon station) because we believe that vibrant collaboration leads to better results. Our kitchen is well-stocked, the coffee is excellent, and the team is outstanding.If you are exceptionally talented and eager to contribute to an incredible project, we want to hear from you.

About YouAs a passionate Product Engineer with a focus on front-end technologies, you possess the versatility to navigate the entire tech stack. You thrive in dynamic startup environments and are equipped with advanced technical skills in React, Next.js, Node.js, and TypeScript. Your goal is to create innovative tools and user experiences that empower others. You embrace experimentation and tackle high-impact product challenges within a culture that celebrates creativity and developer-centric thinking. Our team is dedicated to craftsmanship, with an obsessive attention to detail in every product we deliver.The RoleJoin our Product Engineering team to work on our SDK and web application, collaborating closely with product managers and designers. Your contributions will significantly impact both the users of tldraw.com and enterprise clients leveraging our SDK.Key ResponsibilitiesDevelop, maintain, and scale core features of the tldraw web app and SDK using React, Next.js, Node.js, and TypeScript.Collaborate with design, product, and engineering teams to conceptualize, prototype, launch, and iterate on new experiences.Contribute to developer-facing documentation, code samples, and SDK usage patterns, ensuring our SDK remains top-tier.Monitor the performance and reliability of our platform, proactively identifying friction points and enhancing them.Foster an experimental culture: create viral demos, iterate quickly, and embrace creative tooling concepts.Work across the stack as needed: focus on UI and interaction design while also assisting in maintaining back-end services and APIs.

Latent Labs is seeking a seasoned Technical Programme Manager to spearhead the planning, execution, and successful delivery of intricate scientific and technical programs. In this pivotal role, you will bridge our machine learning research, wet lab operations, and external partnerships, ensuring cross-functional initiatives are aligned and deliver significant impact. This opportunity is perfect for individuals who thrive in dynamic, multidisciplinary settings and possess a proven ability to impose structure on ambitious, research-oriented projects.About UsAt Latent Labs, we are pioneering cutting-edge models that understand the core principles of biology. Our team is driven by curiosity and a commitment to scientific excellence. Prior to establishing Latent Labs, our team was instrumental in co-developing DeepMind's Nobel Prize-winning AlphaFold, inventing latent diffusion, and creating groundbreaking lab data management systems alongside high-throughput protein screening platforms. Here, you will collaborate with some of the brightest minds in generative AI and biology.We value interdisciplinary exchange, continuous learning, and collaboration. Our team retreats foster a culture of trust between our London and San Francisco locations.We are on the lookout for innovative thinkers eager to tackle complex challenges and maximize positive global impact. Join us in our ambitious moonshot mission.

Role overview As a Senior Product Engineer at goodstack in London, the focus is on building and refining products that have a clear impact for users. This position plays a key part in shaping features that deliver reliable performance and meaningful experiences. Working closely with colleagues from various teams, the Senior Product Engineer helps turn ideas into well-crafted solutions. What you will do Design and implement new product features, prioritizing user experience and strong performance Work with cross-functional teams at every stage of development Refine current features in response to feedback and changing needs Contribute to keeping goodstack’s products relevant as technology evolves Location This role is based in London, UK.

Join Pylon Labs and Shape the Future of B2B Post-Sales!At Pylon Labs, we are revolutionizing B2B post-sales support with our comprehensive platform that harnesses conversational data and advanced intelligence to empower our clients to manage their operations in real time.Supported by renowned investors like a16z, BCV, General Catalyst, and Y Combinator, we proudly serve over 1000 companies, including Linear, Cognition (creators of Devin), Modal Labs, and Incident.io. We are also featured on the Enterprise Tech 30 List.Your RoleThis position starts as an individual contributor role, with growth opportunities into a team lead or management position as we expand in the EMEA region. You will act as the primary support contact for our European clients — managing issues from start to finish, becoming a product authority, and establishing best practices for exceptional support in this area.Location: Initially remote for a few months, transitioning to in-office at our East London office upon its opening. We seek candidates who are based in or willing to relocate to London.Your ResponsibilitiesAddress customer inquiries regarding our products across various topics.Create and revise knowledge base articles, including troubleshooting guides and feature explanations.Utilize Pylon's support tools, provide feedback, and help shape product development.Collaborate closely with product and engineering teams to resolve bugs and troubleshoot customer issues.Assist in building a scalable support team and processes for the EMEA region.Experiment with new features, processes, and innovative AI solutions.QualificationsMust be located in London or willing to relocate, enthusiastic about working in the East London office once it opens — remote work for the initial months as we set up, with an office opening anticipated in September 2026.1 month on-site training in our San Francisco office.Skilled in engaging with customers through chat and video platforms.A passion for product development and improvement.1 to 8 years of relevant experience.Leadership experience is a plus.

Corgi builds insurance products for tech startups, using AI to power its platform. With $108 million raised and a regulatory carrier license, Corgi is expanding into the UK and EU. The technical stack centers on Django, Stripe for payments, and AI-driven underwriting. Role overview This Product Engineer position is based in London. The role suits someone who takes ideas from concept to launch, often working independently and without waiting for detailed roadmaps. Corgi values engineers who have shipped real products that reached users or generated measurable traction. What Corgi looks for Proven drive and adaptability in a startup setting Experience independently building and launching projects Comfort working across the stack and solving diverse technical problems Ability to deliver results quickly, often in hours or days Strong opinions paired with openness to feedback and change Focus on impact and outcomes over job titles Work culture Quick decision-making and action-oriented mindset Frequent product launches and improvements, not just on fixed schedules Ship-and-iterate approach instead of lengthy review cycles High intensity during launches, balanced with steady engagement otherwise Transparent, open decision-making High performers set the pace; internal competition is encouraged This is a hands-on build role: Corgi seeks contributors who actively ship, not those who coast. Behaviors that lead to quick removal Office politics, gossip, or avoiding responsibility Poor reactions to constructive feedback Adding unnecessary complexity instead of simplifying Missing deadlines after making commitments Application process Share links to GitHub, personal sites, live projects, or anything built and launched CVs are not accepted Send applications to: sergio@corgi.com If you cannot provide evidence of shipped work, this role may not be a fit Location and compensation London-based, with on-site or hybrid options Base salary: £75,000 to £140,000, plus equity Salary depends on demonstrated ability to ship, not job title

Join Attio in Revolutionizing CRM for the AI Era!At Attio, we're on a mission to create the first AI-native CRM, crafted specifically for the most ambitious go-to-market teams. Recently, we secured a $52M Series B funding round led by GV (Google Ventures), with contributions from Redpoint, Balderton, Point Nine, and 01A. Our team is passionate about tackling complex technical challenges, enhancing user satisfaction, and setting a new industry benchmark.About the RoleOur Engineering team addresses the most demanding challenges, ensuring our users enjoy a seamless experience. We focus on real-time infrastructure, AI-native architecture, and a user-friendly interface, all powered by a dedicated team that values speed, rigorous thinking, and exceptional quality.We are in search of a Product Engineer who is passionate about crafting beautiful, high-performing systems, and eager to help reshape how millions of individuals work.Your ResponsibilitiesLeverage your expertise in JavaScript/TypeScript to implement innovative product features in our Node.js backend and React frontend.Collaborate with teams to deliver cutting-edge user experiences within a high-performance, data-rich application, utilizing your knowledge of modern frontend development techniques or distributed systems.Grow and learn from some of the top technical talents in the industry today.Act as a representative of Attio's Product & Engineering values internally and externally.Your QualificationsProficiency in JavaScript/TypeScript.Demonstrated ability to deliver independently, resolving real customer or product challenges within a team setting.A proactive, self-driven problem-solver with a strong enthusiasm for acquiring new skills and experimenting with innovative techniques.Solid understanding of how exceptional technical work contributes to outstanding user experiences.Effective communication skills to articulate technical ideas to the broader team and influence stakeholders across Engineering, Product, and Design.Preferred QualificationsExperience with modern development methodologies and tools.Familiarity with cloud services and infrastructure.