Neulinx
Senior Full-Stack Engineer x 5
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Senior Full-Stack Engineer x 5
Location
London – Hybrid, 1 day per week in the office
Salary
Up to £130,000 + equity
Neulinx have partnered with a fast-growing AI startup that is expanding its engineering team and hiring multiple Senior Full-Stack Engineers.
The business has already achieved strong traction, with more than 30,000 users, £1.8m+ ARR, major enterprise customers and backing from leading UK investors.
This is a hands-on product engineering role with broad ownership across the stack. You’ll be building new product features, contributing to technical direction and helping scale a platform that is already being used by large organisations.
Key responsibilities
- Build and deliver end-to-end product features across frontend and backend
- Work closely with the CTO, engineering, product and design teams
- Contribute to technical decisions across architecture, APIs, data modelling and integrations
- Improve platform performance, reliability and maintainability
- Help shape engineering standards and best practices as the team grows
- Take ownership of key product areas from design through to production
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Key skills and experience
- Strong experience building production web applications across frontend and backend
- Experience with a modern frontend framework such as Vue, React or Angular
- Strong backend development experience, ideally with Python
- Experience building APIs and data-driven product features
- Strong knowledge of relational databases such as Postgres
- Good TypeScript experience
- Comfortable making technical decisions and working with a high level of autonomy
- Strong product mindset with a focus on usability, quality and maintainability
- Experience working closely with product and design teams
- Experience in a startup, scale-up or high-ownership engineering environment
- Comfortable using AI tools and AI-native engineering workflows
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Technology stack
Vue 3, TypeScript, Python, FastAPI, Postgres, Azure, Terraform, GitHub Actions and OpenTelemetry.
Experience with the exact stack is not essential, provided you have strong full-stack fundamentals and can work confidently across modern web applications.
Why join?
You’ll be joining at an exciting stage of growth, with a proven product, strong commercial traction and plenty of scope to influence how the platform and engineering team develop.
The role offers genuine ownership, direct access to senior technical leadership and the opportunity to work in a small, high-calibre engineering team within a rapidly growing AI business.
If you’re an experienced Senior Full-Stack or Product Engineer looking for a high-impact role with strong technical ownership, get in touch with Gareth at Neulinx to find out more.
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