1,360,683+ Lead Software Engineer Full Stack Java React Jobs in UK — Top Companies Hiring July 2026

Professional job seekers finding United Kingdom jobs through Expertini
750,000+ professionals on Expertini 750,000+ Candidates
Join our global community
Expertini Penguin Mascot Resume Score™
Resume Score™ Instantly
Upload Your CV
Quick 30-second process

Apply Today & Jumpstart Your Career on Expertini, Trusted Since 2008.

Reset

Create Job Alert

 
   
Reset

Senior Application Security Engineer (Remote United Kingdom)

JOB DESCRIPTION SummaryYelp engineering culture is driven by our : we’re a cooperative team that values individual authenticity and encourages creative solutions to problems. All new engineers deploy working code their first week, and we strive to broaden individual impact with support fr ...

Senior Application Security Engineer (Remote United Kingdom)

JOB DESCRIPTION SummaryYelp engineering culture is driven by our : we’re a cooperative team that values individual authenticity and encourages creative solutions to problems. All new engineers deploy working code their first week, and we strive to broaden individual impact with support fr ...

Senior Application Security Engineer (Remote United Kingdom)

JOB DESCRIPTION SummaryYelp engineering culture is driven by our : we’re a cooperative team that values individual authenticity and encourages creative solutions to problems. All new engineers deploy working code their first week, and we strive to broaden individual impact with support fr ...

Senior Application Security Engineer (Remote United Kingdom)

JOB DESCRIPTION SummaryYelp engineering culture is driven by our : we’re a cooperative team that values individual authenticity and encourages creative solutions to problems. All new engineers deploy working code their first week, and we strive to broaden individual impact with support fr ...

Senior Application Security Engineer (Remote United Kingdom)

JOB DESCRIPTION SummaryYelp engineering culture is driven by our : we’re a cooperative team that values individual authenticity and encourages creative solutions to problems. All new engineers deploy working code their first week, and we strive to broaden individual impact with support fr ...

Senior Application Security Engineer (Remote United Kingdom)

JOB DESCRIPTION SummaryYelp engineering culture is driven by our : we’re a cooperative team that values individual authenticity and encourages creative solutions to problems. All new engineers deploy working code their first week, and we strive to broaden individual impact with support fr ...

Insurance Solutions Architect: Cloud, API & Data Design

XCEEDANCE LIMITED, a global provider of strategic consulting for the insurance industry, seeks a Solution Architect specializing in Application Architecture. In this role, you'll lead the development of complex solutions and drive discovery processes with customers. The ideal candidate will have over 1 ...

Senior Equity Finance Architect & Lead Developer

Barclays is looking for an Equity Finance - Senior Dev / Architect to shape the architecture of its Prime Brokerage and Capital Markets platforms. You will design scalable, event-driven trading systems and define cloud strategies using Docker and Kubernetes. The ideal candidate has strong knowledge of ...

Documentum Java Solution Architect

Documentum Java Solution Architect Location: 5 days onsite in Basingstoke Length: Until end of May 2027 Rate: £600 to £700 per day via umbrella Candidates MUST hold Active DV Clearance to be eligible to be considered for the opportunity Your Role will involv ...

Front Office Java Developer

Role: Front Office Java Developer Client: Elite Investment Institution Compensation: Up to £130k Base Salary + Bonus + Package Location: London (Hybrid) Overview This firm is an elite investment institution that uphold extremely high ...

Experienced Backend Java Developers

Overview Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From deploying advanced AI to helping shape ...

eFX Java Algo Developer

Location: LondonCompany: TalanType: (Full-time) About Talan Talan is a global consulting group specialising in business and IT transformation, with a strong presence in financial markets, digital innovation, and data-driven technologies. We partner with lea ...

Senior Java Developer Newcastle

Job Description Senior Java Developer Location: Newcastle Hybrid Working: This role will require you to work from our Newcastle, Cobalt Business Park office 3 days per week. In our team you will learn: How to provide ...

eFX Senior Java Developer

eFX Senior Java developer Your role We are seeking an experienced candidate to join our eFX Quantitative Developer team within UBS Global Markets. This is a fast‑paced and collaborative team that is responsible for the development and enhancement of the best‑in‑class eFX ...

Mid Level Java Developer

We are looking for the right people — people who want to innovate, achieve, grow and lead. We attract and retain the best talent by investing in our employees and empowering them to develop themselves and their careers. Experience the challenges, rewards and opportunity of working for one of the world's la ...

Senior Java Developer £65K

About the job Senior Java Developer - £65K Our client is recognised internationally for its expertise in the archiving and digital preservation of valuable data across a range of industry sectors including life sciences, heritage and higher education. They are seeking a talented and self‑motivated ...

Experienced Backend Java Developers

Overview Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From deploying advanced AI to helping shape ...

Experienced Backend Java Developers

Citi Belfast are hiring for Experienced Backend Java Developers with a skillset ranging from Assistant Vice President to Senior Vice President responsible for contributing to a variety of development activities. The overall objective of these roles is to assist/lead in applications systems development, analys ...

eFX Java Algo Developer

Job DescriptionJob Title: eFX Java DeveloperLocation: LondonCompany: TalanType: [Full-time]About TalanTalan is a global consulting group specialising in business and IT transformation, with a strong presence in financia ...

Principal Risk Java developer

I am currently working with a London-based Financial Services client who are actively seeking a Principal Java Developer with extensive experience in the Risk and Market Data space.What you'll need to succeed : Strong server-side Java Development experience in a lead role working on Ris ...

Architect ai/cloud/java

Work with high-calibre colleaguesWork on cutting-edge technologyAbout Our ClientThe employer is a large organization within the technology and telecoms industry, delivering impactful services and solutions. They are known for their commitment to excellence and fostering ...

Java Developer – SC Cleared

Salary: £60,000 - 70,000 per year Requirements Java Development experience Experience with Cloud Services Familiarity with RedHat/Kubernetes Knowledge of unit testing Understanding of DevSecOps practices (desirable) Experienc ...

Java Developer – SC Cleared

Salary: £60,000 - 70,000 per year Requirements Java Development experience Experience with Cloud Services Familiarity with RedHat/Kubernetes Knowledge of unit testing Understanding of DevSecOps practices (desirable) Experienc ...

Mid Level Java Developer

We are looking for the right people — people who want to innovate, achieve, grow and lead. We attract and retain the best talent by investing in our employees and empowering them to develop themselves and their careers. Experience the challenges, rewards and opportunity of working for one of the world's large ...

Senior Java Fullstack Developer

Senior Java Developer – Capgemini Financial Services Join Capgemini’s Financial Services (FS) Business Unit within the Cloud & Custom Applications (C&CA) practice as a Senior Java Developer. In this role, you will help architect tomorrow by delivering scalable, high-quality applications that driv ...

Senior Digital Java Developer

Manchester | Leeds | Birmingham | Newcastle (Hybrid – 3 days onsite) We are seeking experienced Senior Java Developers to join a major digital transformation programme delivering high-volume, user-focused digital services used by millions across the UK. You'll work within Agile, multidiscip ...

Java/Node.js Solutions Architect

Salary £75,000 - 85,000 per year Requirements Experience in Solution Architecture with a focus on E-commerce platforms or API/Middleware ecosystems. Expert-level knowledge of Node.js, Java (Spring Boot), and PostgreSQL, with the ability to read and critiq ...

Java Developer (Spring Boot)

Position Overview (Hybrid) We are seeking a talented Java Developer to join our Winchester based team. Candidates will be required to attend the office 2 days a week. Responsibilities Collaborate with cross-functional teams to gather and define requirements for new features an ...

Java Architect Public Sector

Overview At IBM CIC, we provide technical and industry expertise to a wide range of public and private sector clients in the UK. A career in IBM CIC means you’ll have the opportunity to work with leading professionals across multiple industries to improve the hybrid cloud and AI journey for ...

Senior Java Developer eTrading

DescriptionLocation: London, HybridRole Type: 12 Month ContractRate: £700 - £800 per dayDelta Capita is seeking a highly skilled Senior eTrading Developer to join our clients Global Markets Technology practice. This role will focus on developing a ...

eFX Java Algo Developer

Job DescriptionJob Title: eFX Java DeveloperLocation: LondonCompany: TalanType: [Full-time]About TalanTalan is a global consulting group specialising in business and IT transformation, with a strong presence in financia ...

Experienced Backend Java Developers

Citi Belfast are hiring for Experienced Backend Java Developers with a skillset ranging from Assistant Vice President to Senior Vice President responsible for contributing to a variety of development activities. The overall objective of these roles is to assist/lead in applications systems development, analys ...

Mid Level Java Developer

We are looking for the right people — people who want to innovate, achieve, grow and lead. We attract and retain the best talent by investing in our employees and empowering them to develop themselves and their careers. Experience the challenges, rewards and opportunity of working for one of the world's large ...

Principal Risk Java developer

I am currently working with a London-based Financial Services client who are actively seeking a Principal Java Developer with extensive experience in the Risk and Market Data space.What you'll need to succeed : Strong server-side Java Development experience in a lead role working on Ris ...

Senior Rates Developer Java

DescriptionLocation: London, HybridRole Type: 12 Month ContractRate: £800 - £900 per dayDelta Capita is seeking a highly skilled Senior Rates Developer to join our Global Markets Technology practice. This role sits within a specialist team respons ...

Architect ai/cloud/java

Work with high-calibre colleaguesWork on cutting-edge technologyAbout Our ClientThe employer is a large organization within the technology and telecoms industry, delivering impactful services and solutions. They are known for their commitment to excellence and fostering ...

Senior Java Fullstack Developer

About the Job you are considering:Join Capgemini’s Financial Services (FS) Business Unit within the Cloud & Custom Applications (C&CA) practice as a Senior Java Developer. In this role, you will help architect tomorrow by delivering scalable, high-quality applications that drive meaningful busin ...

Senior Java Developer 58042

Duration: 9 months Work Location:- Remote, Onsite, or Hybrid: Hybrid – 2 days onsite, 3 days work form home - Anchor Days (if applicable): flexible - Address: Front Street West Corporate, Toronto, Ontario OR Dundas Street, London, OntarioCANDIDATE PROFILE DETAILS:Deg ...

Principal Risk Java developer

I am currently working with a London-based Financial Services client who are actively seeking a Principal Java Developer with extensive experience in the Risk and Market Data space.What you'll need to succeed:Strong server-side Java Development experience in a lead role working on Risk and Market ...

SC Cleared Java Developer

Start asap End March 2027£400 Senior£475 Lead Java 21 (or later). TDD and BDD. large microservice architectures. Agile environment. APIs. Experience of MongoDB or other document databases.Onsite in Sheffield or Manchester or Leeds or Newcastle or Birmingham - 3 days a week ...

Technical Scrum Master(Java)

Job Description:-About the Role:We are seeking a Technical Scrum Master with strong hands-on expertise in Java and Spring Boot microservices to lead Agile delivery within a cloud-first, engineering-led environment supporting critical national infrastructure transformation.This is not a traditional Scrum ...

Sr. Security Engineer, Amazon Stores Security AppSec

Sr. Security Engineer, Amazon Stores Security AppSec Job ID: | Amazon Development Centre (London) Limited At Amazon, security is central to maintaining customer trust and delivering delightful customer experiences. Our organization is responsible for creating and maintaining a high bar ...

T24 Software Developer

Required Skills Minimum 5–7 years’ experience in Temenos T24 / Transact, with exposure to recent releases (R21+ preferred, R24+ highly desirable) Proven experience in TAFC to TAFJ migration programmes including: Impact assessment Gap analysis Code con ...

T24 Software Developer

Required Skills Minimum 5–7 years’ experience in Temenos T24 / Transact, with exposure to recent releases (R21+ preferred, R24+ highly desirable) Proven experience in TAFC to TAFJ migration programmes including: Impact assessment Gap analysis Code conv ...

Software Engineer III JPM Personal Investing Mid Level

Behind every investment is a person with ambitions, motivations and values. While we know that every client is unique, they come to . Morgan Personal Investing for the same reason: our straightforward and transparent approach to investing, and the trust that 150 years of . Morgan heritage brings.. Morg ...

Senior AWS Data Engineer — Real Time Pipelines for Finance

Capco is seeking a Principal Data Engineer in Edinburgh to drive next-gen transformation for Tier 1 financial clients. This hybrid role involves designing and implementing cloud-based data pipelines using AWS tools. The ideal candidate is proficient in Python, Scala, or Java, with strong Big Data techn ...

Security & Compliance Engineer — AI Driven Cloud Controls

AMAZON UK is looking for a Senior Security & Compliance Engineer to spearhead AWS security and compliance solutions. You will lead the design, deployment, and implementation of security controls, innovate automated security processes, and solve complex compliance challenges for highly regulated customers. </p ...

Senior SRE: Java/Python for Secure Collaboration Platforms

A global financial services firm is seeking a Site Reliability Engineer III to lead the integration of collaboration platforms like Microsoft 365 B2B and Google Workspace. The role includes managing secure external sharing solutions and ensuring platform reliability. Candidates should have a BS/BA and hands-on e ...

Senior Low Latency Rust Engineer Hybrid

Citibank (Switzerland) AG in Greater London seeks a Senior Low Latency Rust Engineer to lead applications systems analysis and programming in the high-performance architectures team. This role demands significant experience in low latency algorithmic trading and Java development. Responsibilities include buildin ...

Principal Engineer, FinTech Platform Architect (Hybrid UK)

A B2B Fintech company in Cardiff is seeking a Principal Engineer to lead technical direction and mentor engineers. This hybrid role involves collaborating with product teams, engaging with stakeholders, and designing robust APIs and platform functionalities. Candidates should have significant experience in large ...

🚀 Boost Your Hiring Chances with Our AI-Powered Tool-Kit

Stand out from thousands of applicants. Use our proven career tools to optimize your applications and land your dream job faster.

To-Do Planner

Organize your job search and personal tasks. All data is confidential.

Open Planner

Wellbeing Center

Access your confidential wellness report and resources to manage job search stress.

Check Wellbeing

Skill Coach

Plan your skill development with O*NET support to stay competitive in your field.

Start Coaching

Outfit Helper

Get AI-powered suggestions on what to wear for your next interview.

Find Outfit

Income Tax Calculator

Plan your finances with our calculator, updated for 2025 tax regulations.

Calculate Tax

Salary Benchmark

Get accurate, AI-supported salary trends to know your worth and negotiate better.

Check Salaries

Interview Practice

Practice for any interview with AI-enabled Q&A sessions. All data is private.

Start Practicing

Interview Predictor

Use our AI-supported tool to predict potential interview questions based on your resume.

Predict Questions

Interview Practice Timer

Use our mock interview trainer to perfect your answers under timed conditions.

Start Timer

Behavioral Mastery

Ace tricky behavioral interviews with our AI-powered practice module.

Master Answers

Question Journal

Confidentially record interview questions you were asked for future reference.

Open Journal

Interview Ace

A comprehensive tool to help you master every aspect of your interviews.

Become an Ace

Q&A Logs

Confidentially track your answers to common questions and refine them over time.

View Logs

Application Planner

Schedule and organize your job applications in one confidential planner.

Open Planner

Cover Letter Tool

Create perfect, tailored cover letters for each application with AI support.

Generate Letter

Resume Score

Get instant feedback on your resume with our NLP-supported analysis tool.

Check My Score

ATS Score

Check your resume's compatibility with Applicant Tracking Systems (ATS).

Check ATS Score

Application Analyzer

Use AI to analyze job descriptions and optimize your application materials.

Analyze Application

Career Visualizer

Confidentially plan and visualize your long-term career path and goals.

Visualize My Career

Offer Genius

Get intelligent insights and strategies to confidently negotiate job offers.

Negotiate Offers

JobFlow

Track your entire job search progress from application to offer with this intelligent tool.

Track My Flow

JobSense

Our intelligent matching engine that provides smart job recommendations.

Get Smart Matches

Networking Toolkit

Tools to build and manage your professional connections. All data is confidential.

Build Network

Professional CV

A classic, O*NET supported template for corporate and professional roles.

Use This Template

Executive CV

A premium, O*NET supported template designed for senior and C-level positions.

Use This Template

Modern CV

A fresh, stylish, O*NET supported template perfect for tech and modern industries.

Use This Template

Creative CV

A visually distinct, O*NET supported template for design and artistic roles.

Use This Template

Minimalist CV

A clean, simple, O*NET supported template that focuses purely on content.

Use This Template

Europass CV

The standard European Union recommended format for wide compatibility.

Use This Template

Student CV

An institution-recommended template perfect for internships and first jobs.

Use This Template

Graduate CV

An institution-recommended template for recent graduates entering the workforce.

Use This Template

Academic CV

The researcher-recommended format for roles in academia and research.

Use This Template

Developer/IT CV

A tech-savvy recommended template to highlight your technical skills.

Use This Template

Skilled Worker CV

A trades-recommended template to showcase hands-on skills and experience.

Use This Template

Monochrome CV

A sleek, black-and-white, O*NET supported template for a professional look.

Use This Template

Art CV

An artist-recommended template that allows your creativity to shine.

Use This Template

Harvard CV

A researcher-recommended template based on the classic Harvard format.

Use This Template

Volunteer Research

Help us improve our platform by joining our community research program.

Join Research

Review Us

Share your experience with our tools to help other job seekers.

Share Experience

Register

Create your free account to save jobs, build your profile, and track applications.

Create Account

Login

Access your dashboard, manage applications, and continue your job search.

Access Your Account

Profile Builder

Create a comprehensive professional profile that attracts recruiters and showcases your skills.

Build Your Profile

View Profile

See your public profile exactly as employers will see it. Make sure it's perfect.

Preview Profile

Bookmarked Jobs

Keep track of all your saved job opportunities in one organized place.

View Saved Jobs

Your Reviews

View and manage all the company reviews you've submitted.

See Your Reviews

Following

Manage the list of companies you follow to stay updated on their new openings.

Manage Following

Find Companies

Discover and research top employers in your country and industry.

Discover Employers

Standalone CV Builder

Use our O*NET supported CV builder to create a professional resume from scratch.

Build Your CV

PDF to DOC (Beta)

Convert your PDF resumes or documents into editable Word (DOC) format.

Convert PDF

DOC to PDF (Beta)

Create universally compatible PDF documents from your Word (DOC) files.

Create PDF

General FAQ

Find answers to common questions about our job site and platform.

Read FAQ

Job Seekers FAQ

Get help and find answers to questions specifically for job seekers.

Get Help

Job Matching

Learn about the technology and algorithms behind how we match you to jobs.

Learn How

Personalized Matching

Discover how we use your profile and activity to provide customized job suggestions.

Learn More

Quick Apply

Understand our fast application process and how to make the most of it.

Learn More

Alert Frequency

Learn how to manage your job alert settings so you get the updates you want.

Manage Settings

Job Alerts Guide

A complete guide to understanding how job alerts work and how to use them effectively.

Read Guide

Resume Matching

Learn how our system matches your resume to job requirements.

Learn More

Ethical Branding

Read our guide to building a professional and ethical personal brand.

Read Guide

Candidate Visibility

Learn how to increase your visibility to recruiters on our platform.

Increase Visibility

Verified Badge

Find out how you can get a verified badge to build trust with employers.

Get Verified

AI ATS Technology

Learn about the advanced AI and ATS technology that powers our platform.

Learn More

ATS Ranking

Understand how Applicant Tracking Systems rank you as an applicant.

Learn More

Semantic Matching

Learn how our AI-powered semantic matching goes beyond keywords.

Learn More

    Lead Software Engineer Full Stack Java React Jobs in United Kingdom Job Search Guide, Trends and Insights