11 of 11 Product Engineer Jobs in the Thames Valley

Role: Senior Product Engineer (Fullstack) Salary/Package: £90k-£130k + Equity Options Company Sector: AI Start Up Experience Level: Senior (5+ years) Tech: JavaScript, TypeScript, Node.js, React.js, AWS Location: Central London Working Arrangement: 5 Days a week in the office Product Engineer (Full Stack) Help shape the future of human–computer interaction by building fast … delightful, intelligent products. We’re looking for a product-focused engineer who loves bringing ideas to life in a fast-moving, collaborative environment. You’ll work across the stack to design, build, and launch new features - the kind that make users go, “Whoa, that’s smart.” This role is ideal for someone who thrives in early-stage environments … loves zero-to-one product building, and enjoys taking full ownership from concept to delivery. What you’ll do Build new user-facing features end-to-end - from idea to production Experiment rapidly with prototypes and iterate based on user feedback Optimise for performance, scale, and reliability Collaborate closely with engineers, designers, and product leads to craft elegant More ❯

Product Engineer (Fullstack) London, Old Street, Onsite, AI Agents, Skippr AI (direct, no agency please) ⭐ About the role We’re looking for a Product Engineer to join our small but high-calibre team in Old St . We’re a team that’s 100% AI-native — not just building AI agents, but using them daily to … supercharge our own workflows. Our mission is to reinvent product development through specialised AI agents. We started with product design agents, and now we’re building something entirely new and multimodal — we’re pushing the limits of what agents can do. Skippr is backed by top VCs, like Bessemer ( Anthropic , Perplexity , Shopify ), and executives from Fiverr , Meta , Google … decisions on our platform design that will shape how future engineers build on top of it. Exposure across the startup stack: Beyond code — sit in on user interviews, shape product strategy, and get a front-row seat to how startups actually grow. A team that’s genuinely excited: We’re obsessive about the problem, love what we’re building More ❯

Java Software Product Engineer London – 1 day a week onsite 🚀 Join a FinTech Powering the Future of Payments Are you a Java Software Engineer who thrives in a fast-paced, agile environment? Passionate about high-throughput, real-time systems? This is your opportunity to help shape the core technology that powers instant payments for some of the … with cutting-edge tech on globally impactful systems 🏡 Hybrid working – 1 day a week (or more if you’d like!) 🌍 Opportunity to collaborate with major global banks 🚀 Fast-paced, product-led environment where your voice matters If you're a motivated Java Software Product Engineer ready to tackle complex challenges and deliver meaningful change, hit apply – and More ❯

Senior Software Product Engineer London – 1 day a week onsite 🚀 Join a FinTech Powering the Future of Payments Are you a seasoned individual contributor looking for a step up into a senior position within a high-performing team within the world of Banking/Payments? Are you passionate about high-throughput, real-time systems? This is your opportunity … with cutting-edge tech on globally impactful systems 🏡 Hybrid working – 1 day a week (or more if you’d like!) 🌍 Opportunity to collaborate with major global banks 🚀 Fast-paced, product-led environment where your voice matters If you're a motivated Senior Software Product Engineer ready to tackle complex challenges and deliver meaningful change, hit apply – and More ❯

Build the Future of AI Agents as a Product Engineer ⚙️Python, Go, Typescript, React, LLMs 📍Hybrid Working: 4-days a week onsite in London, Soho 💰Base Salary: Ranging from £150k - £200k + Stock + Benefits Join a US Series C scale-up landing in the UK, on a mission to reinvent how businesses talk to customers Already valued … processes These agents don’t just chat, they can perform real actions, and are integrated into Voice call centre eco-systems Now, they’re looking for exceptional customer-facing Product Engineers at their new London HQ What You'll Do as a Product Engineer Design and build intelligent AI agents that drive meaningful business outcomes Work across … plan, and act using LLMs and Agentic AI architectures What We're Looking For 2+ years of experience building products in a fast-paced startup Computer Science Degree Strong product intuition: You're not afraid to push hard and ship scrappy V1s Exceptional communicators: You love talking to users and figuring out what to build Some experience or proven More ❯

Job Role: Product Engineer (backend C# .net core) Reference: BH-355p Job Type: Permanent Location: Hybrid, West Hampstead, London (2 days/week in-office) Salary: up to £75-£85k per annum About The Client: Our client builds AI-driven voice automation for regulated industries, helping companies reduce costs while meeting strict compliance standards. Founded by experienced engineers … and repeat startup founders, their team combines deep technical expertise with a fast-moving, execution-focused approach. Overview: We’re hiring on behalf of our client for a Product Engineer (backend C# .net core) to join their growing team. The role will focus on backend development for a platform that blends telephony, voice AI, and LLMs to create … next-generation voice automation features. You’ll play a key role in building core product functionality, from low-latency backend services to real-time communications and third-party integrations. If you’re proactive, technically strong, and excited about building high-impact systems in a startup environment, this role is for you. Key Responsibilities: Communicate clearly, seek clarification when needed. More ❯

Product Engineer (React.js/Native, UI/UX) - 2/3 days a week in London numi is partnered with a technology company on a mission to make supply chains transparent and sustainable. They use earth observation and environmental monitoring to create a global data asset that will radically change how supply chain risk is managed. Our partner … the Platform: Develop a scalable, responsive, and high-performance front-end application using React JS/Native . Collaborate: Work closely with the CEO and CTO to define the product roadmap. Who We're Looking For You are a seasoned product builder with a track record of shipping high-quality, user-facing applications. You have deep experience building … experience or interest in supply chain, agri-food tech, or geospatial platforms. Why You'll Love Working Here Pivotal Impact: Your work will be at the core of our product and central to our company's success and mission. Real Ownership: Receive a meaningful equity stake and be a true owner of the company’s journey. More ❯

Product Test Engineer 25,500,- 27,000 Pro Rata + Monday to Friday, Progression + Specialist Training Location - Bracknell This is an exciting opportunity to take the next step in your career, in a role that will offer you variety in your day-to-day tasks and offer an abundance of training and upskilling. On offer is a … the UK's largest suppliers of building performance testing and services. Due to an increased workload, they are looking to add to their team with the addition of two product engineers to help them facilitate this growth. This company is highly motivated to bring someone in and offer training and vast prospects to the right candidate. They are looking More ❯

Hey! We're team Granola 👋 If you haven't already, you should check out what we're building, and why you should work here. We're looking for an engineer to help us scale our systems and unlock Granola for the next 100x users. In this role, you will deep dive into scaling challenges, build secure and reliable infrastructure … cutting-edge AI capabilities Optimise database performance and query efficiency Continuously improve reliability and observability through enhanced monitoring and alerting Collaborate cross-functionally to ensure our infrastructure supports continuous product innovation Your background looks something like: Engineering experience in tech and product-driven environments Strong proficiency in TypeScript and Node.js Hands-on experience with cloud infrastructure and infrastructure More ❯

ecosystem. We’re building from zero—no tech debt, no legacy systems. Just a clean slate, strong vision, and higher standards. Now we’re looking for a founding backend engineer to join us at the ground level and help bring this platform to life. The Role You’ll work directly with the founders to design, build, and launch our … code daily, influence key architectural decisions, and ship fast using modern tools and AI Why Join Us? Build from 0 to 1: You’ll shape the architecture, team, and product from day one Real ownership: You won’t be a cog—you’ll be a core part of the company’s foundation Mission-driven: Help reinvent a critical piece More ❯

Tech For Good (Audio Intelligence) | Innovative Products | Mid-Level (Back End Leaning) Full Stack Engineer | TypeScript/Next.js/Node.js | £50K - £65K + Equity | Hybrid 3 Days LDN Company I am looking for a Mid-Level Full Stack Engineer who wants to be part of an innovative start-up company who are leading from the front in AI … actions and workflows ->SQL (PostgreSQL, MySQL) ->NoSQL (MongoDB, Firestore, Redis) ->RESTful APIs - GraphQL Requirements for Tech For Good (Audio Intelligence) | Innovative Products | Mid-Level (Back End Leaning) Full Stack Engineer | TypeScript/Next.js/Node.js | £50K - £65K + Equity | Hybrid 3 Days LDN -> 1 to 4 years of professional software development experience, preferably in a fast-paced or start … per week (Mon/Tues/Thurs) If you want to hear more about the Tech For Good (Audio Intelligence) | Innovative Products | Mid-Level (Back End Leaning) Full Stack Engineer | TypeScript/Next.js/Node.js | £50K - £65K + Equity | Hybrid 3 Days LDN please apply ASAP with a CV and we will give you a call if we think More ❯