Nigel Frank International provided pay range
This range is provided by Nigel Frank International. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.
Base pay range
Lead Full Stack Developer – London (Hybrid)
Salary: Up to £110,000 + High Autonomy + Greenfield Build
Nigel Frank is partnered with a forward-thinking start-up that's on a mission to modernise a traditionally underserved sector through smart, scalable software. They’re now hiring their first senior engineer to take full ownership of a greenfield SaaS platform that will power core business operations - from procurement to finance automation.
This is a unique opportunity to join early, shape the tech strategy, and build software that the business will rely on to scale. You’ll be building, not briefing. Hands-on, end-to-end.
The Role
You’ll lead the technical delivery of new internal products, working closely with product leadership to turn complex, manual processes into clean, automated systems. You’ll have full-stack ownership across architecture, coding, infrastructure, and deployment.
Alongside your hands-on build work, you’ll define best practices, help grow the engineering culture, and mentor a junior developer (planned hire) as the team grows.
A key part of the role will also involve using AI-enhanced development tools (e.g. Claude, Cursor, Copilot) to improve delivery speed, code quality, and workflow efficiency. While not the core of the job, familiarity and curiosity around AI in software development is a strong plus.
* Frontend: React, TypeScript, TailwindCSS
* Cloud & DevOps: AWS (EC2, ECS, S3, RDS), Docker, GitHub Actions
* Workflow: CI/CD, containerised environments, AI-powered dev tools (where valuable)
This is a clean, modern stack designed for speed, scale, and maintainability.
What You’ll Be Doing
* Lead the architecture and development of core internal tools from the ground up
* Build scalable backend APIs, intuitive UIs, and robust data models
* Set up and manage secure cloud infrastructure using AWS and Docker
* Use AI development tools to enhance productivity, speed, and accuracy
* Guide engineering best practices and support junior developers
* Own CI/CD, environment management, and deployment pipelines
* Work closely with non-technical teams to scope and deliver impactful solutions
* Help define how the business builds and ships software going forward
What We’re Looking For
* 5+ years of experience building full stack applications in production
* Strong proficiency in React, Node.js, TypeScript, and PostgreSQL
* Proven experience deploying and managing apps in AWS environments
* Confident with DevOps workflows – Docker, CI/CD, GitHub Actions
* Experience with (or a strong interest in) AI-assisted development tools
* Ability to take initiative, work autonomously, and deliver end-to-end
* Great communication skills and the confidence to lead technical direction
Location & Flexibility
* Flexible hybrid working in London area
* Outcome-focused environment with high trust and low red tape
What’s in It for You?
* Salary up to £110,000, depending on experience
* Massive technical ownership from day one
* Real input into architecture, tooling, product direction, and future hires
* A chance to shape both the platform and the engineering culture
* Work on software with direct business impact from day one
* Fast-moving, low-ego team with strong product/tech alignment
* Clear path to long-term leadership as the business grows
If you're a senior full stack developer looking for a builder’s role with high autonomy, and you're excited by the potential of using AI tools to move faster and smarter, this is a rare chance to make your mark from day one.
Seniority level
* Seniority level
Mid-Senior level
Employment type
* Employment type
Full-time
Job function
* Job function
Information Technology
* Industries
Software Development
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