Haystack
← Back to Jobs
Full time
Technology
HA

Senior Full Stack Lead Engineer ReactJS

Huxley AssociatesFarringdon, Central London🇬🇧United KingdomPosted 24 Aug 2026

Quick Overview

Salary
£90k - £130k/yr
Seniority
Mid Senior
Employment type
Full Time
Work mode
Hybrid
Location
Farringdon, Central London, United Kingdom
Posted
Yesterday
C#.NETJavaScriptRESTTypeScript

Job Description

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<br />Location:

London City and home working hybrid 50/50%<br />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#)<br />Engineering Standards &amp; Software Quality DevSecOps &amp; SDLC Collaboration<br />Technical Mentoring &amp; Engineering Enablement Required Experience Significant hands-on experience in software engineering within large enterprise environments.

Strong expertise in:<br />ReactJS,<br />TypeScript<br />JavaScript<br />C#/.NET<br />REST APIs<br />Distributed application development.

Strong understanding of modern frontend engineering practices and component-based architectures.<br />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

Similar jobs