19 of 19 Permanent Product Engineer Jobs in the South East

Select how often (in days) to receive an alert: We are currently recruiting for a Product Support Engineer to join QinetiQ Target Systems (QTS) within our Production Team. QTS is a wholly owned subsidiary of QinetiQ Group PLC, specialising in the design and manufacture of a range of state-of-the-art Unmanned Aerial and Surface Target systems … build, test and design improvements, and provide technical support to all functions of the business. Duties will include: Conduct duties in line with the Production plan to ensure that product is manufactured, inspected and tested on time, on cost and to quality. Lead planning activities with the internal stakeholders on performing offsite activities, and execute to plan, to ensure More ❯

Product Security Engineer (FinTech) London (4 days onsite) | £80,000 to £90,000 + Benefits Are you a Product Security Engineer looking to make a real impact? We are working with a fast-growing FinTech that is reshaping the payments landscape. You will collaborate with engineering teams to build security into products from day one, focusing … on secure cloud architecture, threat modelling, and risk management. This is not a hands-off role. You will be the go-to advisor for product teams, helping them understand risk, make informed security decisions, and deliver innovative, secure solutions at scale. What you will do Conduct security assessments and drive a secure-by-design culture Collaborate with engineering teams … risks, and manage remediation through Jira Lead threat modelling and architecture reviews Shape security tooling and process improvements What you will bring 3 to 5 years in Cyber Security, Product Security, or Secure Software Development Strong knowledge of GCP (primary), AWS, Azure Experience with threat modelling, AppSec, and security in CI/CD pipelines Ability to communicate security concepts More ❯

Senior Product Engineer – HealthTech | London | Up to £110k + Equity Location: Central London (Hybrid, 3 days/week) Salary: £70,000–£110,000 (DOE) + Equity Tech Stack: Ruby, PHP, Python, C#, JavaScript Join a fast-growing HealthTech scaleup that’s already improved the lives of over 1 million patients through innovative fitness, tracking, and subscription-based solutions. … ll Do: Build and shape greenfield products in a fast-paced, agile environment Work across a flexible tech stack (language agnostic) Tackle complex problems with minimal specs Contribute to product direction and potentially lead projects What They’re Looking For: Startup/scaleup experience Strong backend or full-stack skills Self-starter mindset with problem-solving chops Bonus: Leadership More ❯

Reports to: Senior Specialist Data Product Engineer At the Aztec Group, our technology is a core component of our award-winning outsourced solutions. We are seeking a Specialist Data Product Engineer to join our Data Platform team and support Aztec's new technology strategy, focusing on Alteryx Designer & Server. This role involves designing, implementing, and supporting More ❯

Reports to: Senior Specialist Data Product Engineer At the Aztec Group, we credit our technology as one of the core ingredients to our award-winning outsourced solutions. We are currently seeking a Specialist Data Product Engineer to join our Data Platform team and support Aztec's new technology strategy, leveraging Alteryx Designer & Server. This role focuses More ❯

Full Stack Product Engineer (Stealth AI Startup) London, UK (On-site, 5 days/week) About the Role Join a small, high-performing product engineering team at an early-stage AI startup (currently in stealth). As the third engineer on a close-knit London-based platform team, you’ll play a pivotal role in building … and iterating on a powerful, user-facing platform from the ground up. This is an opportunity to help define the architecture and direction of a product with the potential to reshape how AI is deployed in complex business environments. We’re building technology around cutting-edge AI workflows that require deep technical ownership and creativity. What You’ll Do … Build end-to-end product features across the stack (frontend, backend, data) Work closely with founders and engineers to ship fast, iterate quickly, and influence product direction Solve novel technical challenges related to scaling, performance, and usability Contribute to a product that leverages AI in practical, real-world workflows You Might Be a Fit If You Have More ❯

and outpatient use. Devices are sold globally through a network of distributors. Both the underlying technology and the products for medical applications are supported by company-owned, strong IP. Product manufacturing, currently all outsourced to third party contractors, is well established with good regulatory approval. Our client has a strategy of progressively bringing key competencies in house, thereby building … greater depth and long term succession into the technical team. They’re seeking to appoint a Product R&D Engineer with a strong and relevant scientific background, relevant programming experience, and some experience of working in industry, preferably in medical devices. This is a crucial role for the successful expansion of the company into a substantial business over … well-resourced company at a relatively early stage of its development in a practical hands-on role, and then progress further within the R&D function. The Role The Product R&D Engineer will work with the Head Of Product R&D and external consultants to design low cost, “fit for purpose” medical devices, taking into account 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 ❯

Are you a hands-on problem solver with a passion for innovation and product development? A growing leader in the fibre optic technology sector is seeking a driven and team-oriented individual to join their collaborative Product Success team. This is an exciting opportunity to work at the forefront of fibre optic connectivity and passive technology solutions. Position … excellent opportunity for individuals looking to grow or pivot into the fibre optics field, with full training and support provided. Location: Berkshire Travel: Up to 25% Reports To: Group Product Manager Qualifications: Bachelor’s degree in Engineering or a related science field preferred. Hands-on experience in fibre optic cable assembly preferred. Knowledge of fibre optic testing procedures and … industry standards is a plus. Experience with manufacturing processes and equipment. Strong verbal and written communication skills Comfortable working cross-functionally with engineering and product teams. Computer proficiency with Microsoft Office Suite. Why Join Be part of a fast-growing, innovative industry Gain hands-on experience with cutting-edge fibre optic technology Work within a supportive, team-oriented culture More ❯

Are you a hands-on problem solver with a passion for innovation and product development? A growing leader in the fibre optic technology sector is seeking a driven and team-oriented individual to join their collaborative Product Success team. This is an exciting opportunity to work at the forefront of fibre optic connectivity and passive technology solutions. Position … excellent opportunity for individuals looking to grow or pivot into the fibre optics field, with full training and support provided. Location: Berkshire Travel: Up to 25% Reports To: Group Product Manager Qualifications: Bachelor’s degree in Engineering or a related science field preferred. Hands-on experience in fibre optic cable assembly preferred. Knowledge of fibre optic testing procedures and … industry standards is a plus. Experience with manufacturing processes and equipment. Strong verbal and written communication skills Comfortable working cross-functionally with engineering and product teams. Computer proficiency with Microsoft Office Suite. Why Join Be part of a fast-growing, innovative industry Gain hands-on experience with cutting-edge fibre optic technology Work within a supportive, team-oriented culture More ❯

APIs. As an FCA-authorised challenger credit reference agency, we're transforming how consumer credit information is reported and shared between lenders. About the Role: We’re seeking a product focused full stack engineer, skilled in React and Go (junior to mid-level) to join our dynamic team. You will play a key role in designing, delivering, and More ❯

Senior Product Engineer Python, TypeScript, React, Next.js Health-Tech We have partnered with an exciting Health-Tech start-up to build out their Product Engineering team to support their recent series A raise & ambitious growth plans Why it’s exciting They’re tackling one of the most emotionally and financially challenging areas in healthcare: fertility. Their mission … to make starting a family more accessible, while also improving operational efficiency across the fertility care ecosystem. ⚙️Stack: Python, TypeScript, React, Next.js AWS About you... Experience as a Fullstack Product Engineer, ideally with some frontend experience too (nice to have) You've worked on a consumer product or love delving into user needs and bringing them to … life through code You’ve got strong experience with Python, TypeScript, React, AWS, PostgreSQL You want to join a small but mighty product-engineering team ✨ You want ship meaningful features with real customer impact, and contribute to shaping both product and technical direction The package £65,000–£90,000 + equity Private healthcare, fertility support/testing, enhanced More ❯

Role: Senior Product Engineer Salary range: £100,000 - £160,000 Location: 4-5 days on site, Kings Cross Tech stack: Flexible A mission-driven firm is hiring a Senior Product Engineer to help build the systems and tools that support a new wave of companies tackling humanity’s biggest challenges, from decarbonization and bioengineering to machine … and planetary health. They are a small team of technologists, operators, and scientists backing and building alongside deep tech startups at the earliest stages. You’ll be the fourth engineer on the team, with the opportunity to design and own core products and infrastructure from the ground up. This role blends product-minded engineering with startup-level autonomy. … changing companies scale faster and smarter. What you'll do: Architect, build, and maintain scalable internal and external-facing tools Collaborate directly with technical founders, scientists, and investors Drive product discovery with a mix of engineering insight and experimentation Lead technical design decisions and mentor junior team members over time Contribute to a long-term vision of enabling impact More ❯

We’re hiring a Full Stack Product Engineer (Python, React, Next.js, TypeScript, FastAPI, Postgres) to join the founding team of a London based , early stage startup publicly launching in a few months (they're currently in stealth mode ). Led by former heads of Palantir’s AI Engineering team , they're building a new type of platform to … saw as the biggest bottleneck to getting AI into production : teaching models what you actually want them to do. They’ve raised $6.5M in early funding , are deep in product build mode, and are looking for a curious, product-minded engineer to join as their third technical hire . What you’ll do Build core product … on-site in London (they genuinely enjoy working + lunching together) What we're looking for Experience at a startup that's scaled or been through funding rounds Strong product intuition and attention to detail with highly customer orientated focus Experienced integrating or building AI platforms/features Full stack experience on our stack (Python, React, Next.js, TypeScript, FastAPI More ❯

lives. Their all-in-one platform combines cutting-edge technology with world-class medical expertise to diagnose, treat, and support their users. They’re looking for a Senior Mobile Product Engineer (mobile) who’s not just a coder, but a builder, a thinker, and a doer. You will work on their Health & Fitness MOBILE APPLICATION that helps their … part of a growing company & great culture. They're very team orientated and collaborative and also heavily promote a sociable place to work/enjoy! What they need: A product-minded engineer who owns what they build – from idea to impact. Someone who spots UX issues and fixes them fast. A data-driven decision-maker who thrives in … and lifts others up. A full-stack problem-solver who’s not afraid to dive into backend or infra. Tech Requirements Mobile Engineering experience with React Native (5+ years) Product engineering experience Strong frontend skills, full-stack comfort (they are tech agnostic on the backend) TypeScript TDD React (a plus) You’ll Need: Product Mindset Lead features end More ❯

entire industry. We're We exist to give engineers superpowers. Our mission is to vastly accelerate hardware invention by building critical software infrastructure that accelerates foundational engineering processes. Our product, is a collaboration platform that helps teams to bring products to market faster by seamlessly integrating and synchronising their engineering models. ‍ About Engineering at Flow We care deeply about … world’s top hardware engineers (our users), understand how they work, their pains, and ship solutions to those pains You’ll know our customers, how they feel about the product, and what milestones they need to hit to get their own product(s) to market. You’ll know what our sales pipeline looks like, and what features matter …/when you don’t, you’re not afraid to say so - others probably don’t either Good communicator - clear, concise, courteous. 2+ year(s) experience as a Software engineer How we think How to Build an MVP (Michael Seibel) Code-first vs Product-first (Zach Lloyd) Simple Made Easy (Rich Hickey) (First 25mins) ️ Our Tech Stack Golang More ❯

home working, or the ability to flex your start and finish times. Where possible, we support a working pattern that suits your lifestyle and helps you reach your ambitions. Product Safety Engineer Location: Crawley Hybrid working (Minimum 3 days at office) The Safety Engineering team are responsible for the safety of the products and project solutions developed and … standards and best practices for the development of safety-critical systems. We are looking for new Safety Engineers to join our UK team at our Crawley sites. The Safety Engineer provides technical safety input to the project/product team, is responsible for developing and execution of safety engineering activities in accordance with the company's process, applicable … industry standards, best practices and sharing expert knowledge. As a safety engineer working within Flight Avionics, you will have the opportunity to work with a team of engineers focused on the development, delivery and support of products and programmes to a wide variety of customers in the aerospace sector; covering both the Civil and Military domains. This includes: The More ❯

for Founding Engineers who: Are deeply curious and passionate about building products users truly love Get frustrated when things don’t move fast enough Want their voice to shape product decisions, tech choices, and company culture Enjoy the freedom and challenge of working across the stack, from intuitive UX and robust API design to AI architectures and prompt engineering More ❯

AI Fullstack Product Engineers - Userled - 80-100K + Bens + Equity - London Hybrid (3 days in the office) Userled is reinventing B2B marketing with Generative AI Marketing early stage start-up, helping enterprise teams reach high-intent buyers through hyper-personalised, multi-channel campaigns. We’re building an AI-first platform from the ground up, with LLMs powering … everything from content generation to strategic recommendations. We’re looking for hands-on AI Fullstack Product Engineers who’s excited to build, ship, and fully own production-grade AI features. You’ll have complete autonomy to design and launch intelligent agents, use cutting-edge LLM tools, and shape the future of our product in a role that’s … and OpenAI/Anthropic APIs. You’ll build and orchestrate intelligent agents and RAG pipelines, moving quickly to prototype, test, and launch in days, not months. Working closely with product, design, and go-to-market teams, you’ll build features that solve real customer problems and contribute directly to our AI roadmap and long-term technical direction. You might More ❯