3,584

Java Developer jobs in United Kingdom

Principal Engineer: Lead Full-Stack Architect (Java/React)

Harvey Nash Group

Greater London
Hybrid
GBP 130,000
Yesterday
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Senior Python Backend Software Developer

Xelix

Greater London
Hybrid
GBP 70,000 - 95,000
Yesterday
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Senior Software Engineer, Dependency Management

Google Inc.

Greater London
On-site
GBP 75,000 - 95,000
Yesterday
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Hybrid Software Developer: Vue/Node/Electron Expert

Computerworld Personnel Ltd

Bristol
Hybrid
GBP 80,000 - 100,000
Yesterday
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iOS Software Engineer

Trust In Soda

City Of London
Hybrid
GBP 60,000 - 80,000
Yesterday
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Software Developer

Computerworld Personnel Ltd

Bristol
Hybrid
GBP 80,000 - 100,000
Yesterday
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Software Engineer, Travel Platform — Python/Django/React

TravelPerk

Greater London
Hybrid
GBP 50,000 - 70,000
Yesterday
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Software Engineer - London

TravelPerk

Greater London
Hybrid
GBP 50,000 - 70,000
Yesterday
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Senior Software Engineer - Hybrid, C++/Java

BAE Systems

Tamworth
Hybrid
GBP 100,000 - 125,000
Yesterday
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GenAI Developer — Build AI for Customer Operations

Aviva

Norwich
Hybrid
GBP 35,000
Yesterday
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Infrastructure & Application Support Analyst

VanRath

Belfast
Hybrid
GBP 60,000 - 80,000
Yesterday
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Software Engineer

Matchtech

Portsmouth
Hybrid
GBP 50,000 - 70,000
Yesterday
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Software Engineer

Consortia Group

Bristol
On-site
GBP 50,000 - 75,000
Yesterday
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Senior Software Engineer – Travel & Spend Platform

TravelPerk

City of Edinburgh
On-site
GBP 50,000 - 70,000
Yesterday
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Senior Software Engineer - Edinburgh

TravelPerk

City of Edinburgh
On-site
GBP 50,000 - 70,000
Yesterday
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Applications & Support Engineer - Lighting & Video

PSSL ProSound and Stage Lighting

Langley
Hybrid
GBP 40,000 - 55,000
Yesterday
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2026 Graduate Software Engineer - ML Kernels & Runtime Team

Cerebras

Bristol
On-site
GBP 100,000 - 125,000
Yesterday
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London-based Senior Software Engineer – Travel Platform

TravelPerk

Greater London
On-site
GBP 70,000 - 90,000
Yesterday
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Software Engineer - Travel Platform (Python/React)

TravelPerk

Birmingham
Hybrid
GBP 80,000 - 100,000
Yesterday
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Senior Software Engineer

Glyphic AI Limited

Greater London
Hybrid
GBP 125,000 - 150,000
Yesterday
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Senior Software Engineer - London

TravelPerk

Greater London
On-site
GBP 70,000 - 90,000
Yesterday
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Software Engineer - Birmingham

TravelPerk

Birmingham
Hybrid
GBP 80,000 - 100,000
Yesterday
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Tax Technology Software Engineer – Innovate & Transform

Ernst & Young Advisory Services Sdn Bhd

City Of London
On-site
GBP 50,000 - 70,000
Yesterday
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Software Developer | up to 35,000 | Newcastle, Hybrid

Pearson Carter

Newcastle upon Tyne
Hybrid
GBP 29,000 - 35,000
Yesterday
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Software Developer, Tax Technology & Transformation, Innovation Hive, London

Ernst & Young Advisory Services Sdn Bhd

City Of London
On-site
GBP 50,000 - 70,000
Yesterday
Be an early applicant

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Principal Engineer: Lead Full-Stack Architect (Java/React)
Harvey Nash Group
Greater London
Hybrid
GBP 130,000
Full time
Yesterday
Be an early applicant

Job summary

A global consultancy firm is seeking a Principal Engineer - Full-Stack (Java & React) to lead the design and implementation of applications. The role involves guiding clients through complex engineering decisions and mentoring engineering teams. Candidates should have a strong background in full-stack development, proficiency in Java and Python, and experience with Agile and DevOps practices. This position offers a competitive salary of up to £130,000 and a people-focused benefits package.

Benefits

Discretionary bonus scheme
Work-Life Balance & Time Off
Growth & Development
Health & Wellbeing
Financial Benefits

Qualifications

  • Strong background as a senior/principal full‑stack engineer (backend + frontend).
  • Proficiency in Java, Python, JavaScript/TypeScript or similar.
  • Understanding of AI‑powered development practices and how they improve the SDLC.
  • Expertise in software design patterns, architecture and scalable system design.
  • Experience leading engineering teams, coaching developers and influencing technical direction.
  • Strong consulting mindset - able to translate complex problems into clear solutions.
  • Proven experience in Agile environments and modern DevOps workflows.

Responsibilities

  • Lead the design and implementation of full-stack applications using Java, Python and Typescript.
  • Guide clients through complex engineering decisions as a senior technical consultant.
  • Mentor engineering teams, driving best practices across delivery.
  • Own architectural decisions and contribute to long-term technical strategy.
  • Ensure engineering excellence via code reviews, design governance and DevOps/Agile practices.
  • Manage delivery expectations, timelines and stakeholder relationships.
Job description
A global consultancy firm is seeking a Principal Engineer - Full-Stack (Java & React) to lead the design and implementation of applications. The role involves guiding clients through complex engineering decisions and mentoring engineering teams. Candidates should have a strong background in full-stack development, proficiency in Java and Python, and experience with Agile and DevOps practices. This position offers a competitive salary of up to £130,000 and a people-focused benefits package.

* The salary benchmark is based on the target salaries of market leaders in their relevant sectors. It is intended to serve as a guide to help Premium Members assess open positions and to help in salary negotiations. The salary benchmark is not provided directly by the company, which could be significantly higher or lower.