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We Source Talent

🔥Founding Fullstack Developer - SaaS🔥

We Source Talent
United Kingdom · Full-time · Mid-Senior

🚨Founding Fullstack Developer - SaaS🚨

🧑 💻Javascript -Next.js - Node.js -🧑 💻

📍London/Hybrid 📍

💷 up to £150k + Benefits💷


Hugely Successful AI Driven SaaS business based in London, are looking for a Founding Senior Fullstack Developer ideally with SaaS experience.


✅Job Description

  • Take full ownership of end-to-end product development — frontend, backend, and infrastructure
  • Define and establish technical foundations, standards, and architecture for long-term scalability
  • Work closely with the CTO to shape technical direction, not just execute
  • Influence engineering culture, team structure, and technical hiring strategy from the ground up
  • Deep expertise across the full software development lifecycle — concept, development, V&V, deployment, and monitoring
  • Experience integrating AI functionalities into production products or prototyping with AI
  • High comfort with ambiguity, strong agency, and a 0-to-1 builder mindset
  • Ability to thrive autonomously — making independent decisions without structure or oversight
  • Capable of both rapid prototyping and delivering production-ready solutions


🎯Essential Skills

4+ years proven experience ideally in a similar role across:

  • APIs — Building high-performance, secure RESTful/GraphQL APIs in Node.js, Next.js, and TypeScript
  • AI Integration — Shipping third-party and custom AI model endpoints into production applications
  • Architecture — Designing scalable microservices and maintainable, testable TypeScript codebases
  • Frontend — React/Next.js with strong state management, performance tuning, and responsive design
  • CI/CD — Building and maintaining deployment pipelines that are fast, reliable, and validated
  • Data — Database design and optimization (PostgreSQL, TypeORM) with a focus on security
  • Infrastructure — Cloud platforms (GCP/AWS), containers (Docker, Kubernetes), and IaC (Terraform)



🚀Perks:

  • Paying up to £150k + Equity
  • East London Office Visit very minimal
  • Pension
  • Life Cover



🚨Please only apply if you have full working UK Rights as there is no sponsorship on offer🚨


Please feel free to apply or email [email protected] or call 077 256 18 238 to learn more.

Key Skills

Ranked by relevance

ai prototyping saas microservices javascript kubernetes typescript postgresql responsive docker cloud
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Posted
Mar 03, 2026
Type
Full-time
Level
Mid-Senior
Location
Greater London

Industries

Software Development IT Services IT Consulting

Categories

Information Technology

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