Senior Full Stack Lead Engineer ReactJS, TypeScript
Huxley Associates
City of London · posted 17 August 2026
Salary
£80,000 – £130,000 a year
Job type
full time
Location
City of London, City and County of the City of London
Category
Accounting/Financial/Insurance
Senior Full Stack Lead Engineer ReactJS, TypeScript, JavaScript, C#/.NET Banking London
This is a new and exclusive opportunity for a Senior Full Stack Lead Engineer/ software developer with expertise across ReactJS, TypeScript, JavaScript, C#/.NET to join this investment Banking client as they expand their full stack software developer team in London city.
Role details
Title: Senior Full Stack Lead Engineer
Technical stack: ReactJS, TypeScript, JavaScript, C#/.NET
Employer: investment Banking
Location: London City and home working hybrid 50/50%
Permanent role, salary £90,000- £130,000 plus bonus
This is a new opportunity for a Senior Full Stack Lead Engineer to develop using ReactJS, TypeScript, JavaScript, and C#/.NET
This is a senior role for a technically strong engineer who can provide deep technical expertise, engineering guidance, and hands-on delivery support across frontend and backend (full stack) engineering initiatives.
Key focus:-
Full-Stack Engineering
Frontend Engineering (ReactJS)
Backend Engineering (.NET / C#)
Engineering Standards & Software Quality
DevSecOps & SDLC Collaboration
Technical Mentoring & Engineering Enablement
Required Experience
Significant hands-on experience in software engineering within large enterprise environments.
Strong expertise in:
ReactJS,
TypeScript
JavaScript
C#/.NET
REST APIs
Distributed application development.
Strong understanding of modern frontend engineering practices and component-based architectures.
Deep experience working within a highly regulated financial services institution, demonstrating understanding of the pace and complexity of financial organisations.
This role is open for shortlisting now, so please do send through a CV through to Kimberley Roe @ Huxley for consideration.
To find out more about Huxley, please visit
Huxley, a trading division of SThree Partnership LLP is acting as an Employment Business in relation to this vacancy | Registered office | 8 Bishopsgate, London, EC2N 4BQ, United Kingdom | Partnership Number | OC(phone number removed) England and Wales
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