Senior Full Stack Product Engineer (React, Node.js, TypeScript, AI/LLMs)
I'm currently partnering with an ambitious, well funded Swiss healthtech business building a new generation of AI enabled digital healthcare products.
They're looking for a highly capable Senior Full Stack Product Engineer to join a small, high performing team, taking ownership across the product engineering lifecycle. This is an opportunity to work across frontend and backend development, building scalable applications, intelligent workflows and exceptional customer facing experiences.
The ideal candidate combines strong engineering fundamentals with a genuine product mindset, someone who enjoys understanding problems, shaping solutions and taking products from concept through to production.
Location - Fully remote across the EU (CET ±2 hours)
What You'll Be Doing
- Building, deploying and maintaining scalable full stack applications using React, Node.js and TypeScript.
- Taking ownership of product development across the frontend and backend, from initial concept through to production.
- Working closely with Product, Design and commercial stakeholders to translate business requirements into intuitive, high quality product experiences.
- Developing and integrating AI powered functionality using Large Language Models, AI agents and emerging AI technologies.
- Making extensive use of LLMs and AI development tools to accelerate engineering workflows, while applying strong technical judgement to review, refine and optimise generated code.
- Designing and developing robust APIs, backend services and integrations with third party platforms.
- Building and evolving scalable application architecture, ensuring performance, reliability, security and maintainability.
- Analysing user behaviour through tools such as Microsoft Clarity and user testing to identify friction points and improve product experiences.
- Contributing to technical architecture decisions, engineering standards and development best practices.
- Taking ownership of technical challenges and helping shape the product and engineering roadmap as the business scales.
What They're Looking For
- Strong commercial experience as a Full Stack Engineer or Product Engineer.
- Expert level experience with React, TypeScript and modern JavaScript.
- Strong backend engineering experience with Node.js, including API development and backend architecture.
- Experience building, deploying and scaling production grade web applications.
- A strong understanding of modern frontend architecture, backend systems, databases and software engineering principles.
- Hands on experience with AI technologies, including Large Language Models, AI agents, prompt engineering or related tooling.
- A genuine product engineering mindset, with the ability to think beyond individual tickets and understand the wider customer experience.
- A strong eye for design and user experience, with an appreciation for visual hierarchy, usability and intuitive interfaces.
- Experience integrating third party services and building complex product functionality.
- Ability to thrive in a fast moving, product focused environment.
- Excellent communication skills and the ability to work autonomously within a distributed team.
- High levels of ownership, initiative and a proactive approach to problem solving.
Preferred Background
- Degree in Computer Science, Engineering, Mathematics, Physics or a related technical discipline.
- Strong academic pedigree, ideally from a leading university.
- Experience working within high growth technology businesses, venture backed startups or product led software companies.
- Exposure to healthcare, healthtech or regulated environments would be beneficial but is not essential.
What's on Offer
- Fully remote role across the EU.
- Salary up to £100k equivalent base salary plus equity.
- Opportunity to work on meaningful products with real world impact.
- Significant ownership and influence over technical and product direction.
- Exposure to cutting edge AI technologies and product development.
- Opportunity to join a talented, high performing team at an exciting stage of growth.
If you're interested in building AI enabled products that can genuinely improve people's lives, while having real ownership over the technology and product, I'd be happy to share more details.