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Senior React & Java Engineer

Job in London, Greater London, EC1A, England, UK
Listing for: Opus Recruitment Solutions
Full Time position
Listed on 2026-01-02
Job specializations:
  • Software Development
    Full Stack Developer, Java Developer
Salary/Wage Range or Industry Benchmark: 85000 GBP Yearly GBP 85000.00 YEAR
Job Description & How to Apply Below
Position: Senior React & Java Engineer
Senior Full Stack Developer – Java & React
Build Products That Shape High‑Stakes Decision‑Making

I have partnered with a fast-growing tech firm who are building AI powered tools used by Fortune 500 business leaders. They are enabling them to make critical decisions across the business and have reportedly been ranked as #1 in their field!

They’re scaling quickly, backed by major investment, and looking for a Senior Full Stack Developer who want to work on complex, high‑impact systems where performance, security and clarity really take precedence.

You’ll work hands‑on across a React frontend and Java/Spring Boot backend, guiding architecture, mentoring developers and delivering features that power intelligent, insight‑driven decision platforms.

You’ll be part of a role that will:

Lead engineering on AI integrations and critical internal systems
Influence architecture and drive engineering standards
Mentor developers and elevate team capability

What we expect from you?

Strong experience with React, Type Script/JavaScript and another BE language such as Java
Understanding of API design, integration and security

Experience with relational databases
A track record of delivering complex systems with clean architecture

Interested in learning more? Or know people who might be interested?
The salary for this Full-stack Developer role can go upto £85k, based in London (remote) and has a range of benefits on offer.
With a two-stage interview process in place, if this sounds like you then please get in touch via Rebeka.mulk @ (url removed) or add me on Linked In – Rebeka Mulk, to set up an informal chat.

Please note, we cannot offer sponsorship for this role
Position Requirements
10+ Years work experience
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