← all jobs
linkedin

Senior Software Engineer TypeScript React

Client Server· London, England, United Kingdom· Up to £120,000/yrEquity
Posted 17 Jun 2026Backend Developer
TS + React
Client ServerRecruitment agencyfounded 1999
Levels.fyi · global comp
View original on linkedin

Senior Software Engineer / Front End Developer (TypeScript React) London / WFH to £120k

Are you a technologist with start-up experience looking for your next opportunity?

You could be progressing your career at a tech start-up that is producing an AI native data pipelining platform.

What's in it for you:

Salary to £120k

Equity

Impactful role with excellent career progression as the company scales

Hybrid working

Pension

Your role:

As a Senior Software Engineer within a small team, you will build and implement new features across the full tech stack, with a focus on owning the build of a new front end with TypeScript and React but also with exposure to the Python backend.

You'll take ownership and work across the full development lifecycle, collaborating with customers to build and scale the product. The work is interesting and complex, you'll be able to contribute to the product vision and strategy playing a pivotal role in the company's success.

Location / WFH:

You'll join colleagues in the London office (close to Waterloo) with flexibility to work from home twice a week.

About you:

You have strong TypeScript and React skills

You have a good understanding of system design and scalability

You have some backend Python coding skills, ideally including FastAPI

You're familiar with other technology in the stack including: AWS, Terraform, Docker, PostgreSQL, DynamoDB, CI/CD, GitHub actions, Blacksmith runners

You're collaborative and pragmatic with great communication skills, keen to input into technical discussion and decision making

Apply now

to find out more about this Senior Software Engineer / Front End Developer (TypeScript React) opportunity.

At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.