Full Stack Engineer C# TypeScript - AI Start-up
London, Greater London | £100k - £120k per year
Full Stack Engineer / Developer (C# TypeScript Azure) London / WFH to £120k
Are you a technologist with full stack development skills looking for an opportunity to make an impact at a scaling start-up?
You could be joining a tech incubator funded by a major investment bank, working on complex cutting edge AI technology.
As a Full Stack Engineer you'll join a high performing, cross functional team, reporting to the Head of Technology and Product. You'll be a hands-on engineer who uses AI to amplify your existing skills, turning ideas into working SaaS products through rapid, design-led MVP development. By directing AI powered workflows, you'll help deliver high impact products quickly while maintaining strong technical standards.
Collaborating with the CTO and banking stakeholders, you'll understand business challenges, shape product requirements and translate ideas into practical technical solutions. You'll help prioritise the product backlog, focusing on user needs and lean delivery, while exploring new technologies and creative approaches to remove friction and accelerate development.
You'll use AI coding tools such as Cursor and Claude Code throughout the software development lifecycle, breaking complex problems into clear specifications and guiding AI agents through code generation while retaining ownership of the architecture. Using C#, TypeScript and modern cloud platforms, you'll build clean, maintainable software and apply careful human oversight to AI generated code, ensuring performance, security and consistency.
You'll also champion automated testing and effective engineering practices, owning CI/CD pipelines, deployments and production processes to ensure reliable releases and enable the team to experiment, learn and deliver at pace.
Location / WFH:
You'll join a small team in the London office twice a week (Wednesday and Thursday), with flexibility to work from home the other days.
About you:
- You're an experienced software engineer with full stack development skills
- You have strong C# and TypeScript skills
- You're comfortable using agentic AI to code, they use Cursor and Claude
- You have a good knowledge of Azure cloud services
- You're a confident communicator with great collaboration skills
- You're likely to be degree educated in a STEM discipline
What's in it for you:
As a Full Stack Engineer / Developer you will receive a competitive package:
- Salary to £120k
- Pension
- Impactful role with excellent career growth
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Full Stack Engineer C# TypeScript - AI Start-up employer: Client Server Limited
Join a dynamic FinTech scale-up in the heart of Newcastle, where you'll be part of a collaborative team dedicated to delivering high-quality software solutions. With competitive salaries, generous benefits including Bupa healthcare and a robust pension scheme, as well as a vibrant work culture that encourages social interaction and professional growth, this is an excellent opportunity for a Senior C# Developer looking to make a significant impact in a supportive environment. Enjoy modern offices with stunning views and flexible working hours, all while contributing to innovative projects that shape the future of finance.
