Full Stack TypeScript Developer
About this role
Fully Remote (UK/EU) Full Stack TypeScript Developer TypeScript React Next.js React Native Node.js Hono Postgres Drizzle Cloudflare Workers Vercel Git Docker OpenAI Langchain LlamaIndex At Celestify, we build smart web, mobile, and AI-powered apps that help startups and businesses solve real problems. We're growing our small, fully-remote team and looking for a Full Stack TypeScript Developer who can own end-to-end features, architect scalable solutions, and drive quality across our products and client projects. If you thrive working across the stack with modern tools, writing clean and maintainable code, and enjoy collaborating directly with clients, this role is for you. Tech stack • TypeScript everywhere: backend (Node, Serverless) and frontend (React, Vite / Next.js) • React Native for cross-platform mobile apps • Postgres with modern ORMs such as Drizzle • Serverless/cloud infrastructure: Cloudflare Workers, Vercel • Git-based workflows, CI/CD pipelines, Docker containers • AI integrations using Vercel AI SDK, OpenAI, Langchain, LlamaIndex, and similar APIs What you bring - Must haves • Deep TypeScript expertise on frontend and backend, with focus on type safety and robust architecture • Proven experience building scalable React apps with Tailwind, AntD, Material, Chakra or similar UI libraries • Designing clean, secure and scalable REST APIs with Express, Hono, or similar libraries • Solid understanding of SQL and relational database design, preferably with Postgres and ORM frameworks such as Drizzle • Hands-on experience deploying and maintaining serverless/cloud applications • Strong command of Git workflows, CI/CD automation • Exceptional communication skills; comfortable engaging regularly with clients to gather requirements and provide technical guidance • Self-motivated with a demonstrated ability to own features or services end-to-end, from functional design through production support Nice to haves • React Native app development experience with focus on performance and UX • Practical knowledge of AI integration, including OpenAI models and modern tooling such as Vercel AI SDK, Cloudflare Workers AI, Langchain, LlamaIndex, etc. • Familiarity with workflow automation tools (Zapier, Make, n8n) and complex third-party API integrations (Slack, Microsoft Graph) • Experience working asynchronously in distributed teams, showing discipline and strong remote collaboration habits • Security-minded: understanding API security, authentication flows, and data privacy best practices • Comfortable setting up and maintaining monitoring, logging, and alerting in cloud environments • Experience working with Docker and containers in general • Based in the UK or EU You are...
What this role is, and what else it is called
Employers in the UK advertise this kind of work as Web Developer, Software Engineer, Software Developer and PHP Web Developer too, so it is worth searching more than one wording. It is a mid-level Software Engineering role in the UK, advertised as fully remote, so it is open to candidates working from home.
About hiring at Celestify
Celestify has 2 other live technology roles on its careers page. Of those, 100% are advertised as fully remote and 0% as hybrid. Elsewhere in its adverts Celestify asks for C#, GitHub Actions and Microsoft SQL Server. We have been observing Celestify hiring technology staff since July 2026. See all Celestify roles, salaries and stack.
How this role compares to the market
713 live UK roles list TypeScript right now, from 270 employers. The median advertised salary is £80,000; 46% are advertised as remote. Browse TypeScript roles.
1,610 live UK roles list React right now, from 459 employers. The median advertised salary is £85,000; 36% are advertised as remote. Browse React roles.
Market figures are today's snapshot of live UK roles on employer careers pages; see hiring trends.
Technologies mentioned
Detected on Celestify's careers page. ProdReady Recruitment lists this vacancy as an aggregator and is not the employer; applications go to the employer's own site.