Senior Full-Stack Lead Engineer: React + .NET (Hybrid)

eFinancialCareers; Greater London; Hybrid; GBP 90,000 - 130,000; Full time

Job summary

Senior Full Stack Lead Engineer is needed in London for a banking client. You will lead full-stack development using ReactJS, TypeScript, JavaScript and C#/.NET across frontend and backend, shaping technical standards and delivering high-quality software.

This permanent, hybrid role combines hands-on coding with mentoring in a regulated financial environment. Expect exposure to SDLC, DevSecOps practices and collaboration with product and risk teams.

Qualifications

• Significant hands-on software engineering experience in large enterprise environments.
• Strong expertise in: ReactJS, TypeScript, JavaScript, C#/.NET.
• REST APIs and distributed application development.
• Deep experience in a highly regulated financial services institution.

Responsibilities

• Lead full-stack development across frontend and backend (full stack) initiatives.
• Provide deep technical guidance, mentoring and engineering enablement.
• Maintain engineering standards and software quality throughout SDLC.

Skills

ReactJS

TypeScript

JavaScript

C#/.NET

REST APIs

Distributed app development

Frontend engineering

Backend engineering

DevSecOps

Job description

Senior Full Stack Lead Engineer is needed in London for a banking client. You will lead full-stack development using ReactJS, TypeScript, JavaScript and C#/.NET across frontend and backend, shaping technical standards and delivering high-quality software.

This permanent, hybrid role combines hands-on coding with mentoring in a regulated financial environment. Expect exposure to SDLC, DevSecOps practices and collaboration with product and risk teams.