386,745+ Fullstack Software Engineer Java React Aws Jobs in UK — Top Companies Hiring June 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 Lead Software Engineer Backend Engineering Java/Kotlin

Overview Out of the successful launch of Chase in 2021, we’re a new team, with a new mission. We’re creating products that solve real world problems and put customers at the center - all in an environment that nurtures skills and helps you realize your potential. Our team is key to our success. We ...

Software Engineer: Java/C# for High Performance Systems

Phoenix Medical Supplies is seeking a Software Engineer to join their team in Halton, United Kingdom. Candidates should have experience in Java or C# and a background in building high-volume, high-performance applications. The role is full-time and offers competitive compensation. The company is a lead ...

Senior Software Engineer: Python & Java for Data Pipelines

LSEG in the United Kingdom seeks a Python Developer to re-implement and test existing StarMine Quant models and build new models in collaboration with research teams. The ideal candidate has strong knowledge of Python, Java, or Kotlin, and experience in cloud application development. Responsibilities include bui ...

Software Engineer II Low Latency Java and Kafka

Join JPMorgan's Global Liquidity and Cash Management Technology team and be part of a dynamic group dedicated to delivering innovative technology products. We are seeking motivated Java engineers to enhance our global technology organization, focusing on modern solutions for the Corporate & Investment Bank ...

Senior Software Engineer I Acquiring Platform Backend (Java)

Full-time Compensation: GBP 85,000 - GBP 105,000 - yearly Company Description Wise is a global technology company, building the best way to move and manage the world’s money.Min fees. Max ease. Full speed. Whether people and businesses are sending ...

Senior Lead Software Engineer Backend Engineering Java/Kotlin

Overview Job Description Out of the successful launch of Chase in 2021, we’re a new team, with a new mission. We’re creating products that solve real world problems and put customers at the center - all in an environment that nurtures skills and helps you realize your potential. Our team ...

Full Stack Software Engineer – Java/Spring (Onsite UK)

A leading technology company in the UK is seeking a full-time Software Engineer to join its growing teams in London, Gloucester, or Manchester. The ideal candidate will have full-stack experience, proficiency in Java with Spring Boot, and familiarity with modern JavaScript frameworks. This position offers compet ...

Senior Software Engineer I – Wise for Enterprise – Java

About the role We are looking for a Senior Product Engineer, you’ll be an integral part of our dynamic Wise for Banks team, working at the forefront of innovation, playing a key role in building scalable and robust systems that power our global payment network. You’ll collaborate closely with Imp ...

Staff Software Engineer Java Backend in Belfast Visa

Staff Software Engineer - Java Backend Belfast, UnitedKingdom Posted 9 months ago Tech Stack Software Engineer Backend Java JavaScript API Development Banking SME Knowledge and Expertise Required SME ...

Senior Lead Software Engineer Backend Engineering Java/Kotlin

Overview Out of the successful launch of Chase in 2021, we’re a new team, with a new mission. We’re creating products that solve real world problems and put customers at the center - all in an environment that nurtures skills and helps you realize your potential. Our team is key to our success. We ...

Full Stack Software Engineer – Java/Spring (Onsite UK)

A leading aerospace and defense company in the UK seeks a Software Engineer to join its teams in various locations. This full-time role involves designing and building software for critical projects in a cross-functional team environment. Candidates should have full stack experience, Java development skills, and ...

Software Engineer II Low Latency Java and Kafka

Job Description Join JPMorgan's Global Liquidity and Cash Management Technology team and be part of a dynamic group dedicated to delivering innovative technology products. We are seeking motivated Java engineers to enhance our global technology organization, focusing on modern solutions for the C ...

Java Software Engineer — Spring Boot, TDD & DevOps (London)

A global professional services firm is seeking a Software Engineer (Java) for their Bristol location. The role involves delivering high-quality implementations, participating in agile scrum team activities, and contributing to digital transformation initiatives. Candidates should have strong experience in Java a ...

Software Engineer II Low Latency Java and Kafka

Join JPMorgan’s Global Liquidity and Cash Management Technology team and be part of a dynamic group dedicated to delivering innovative technology products. We are seeking motivated Java engineers to enhance our global technology organization, focusing on modern solutions for the Corporate & Investment Bank ...

Leeds Java Software Engineer API Driven Fintech SaaS

A high-growth fintech company in the United Kingdom is seeking a Java Software Engineer to develop foundational platform features and tackle daily challenges. The ideal candidate will have a solid background in object-oriented programming with Java, with exposure to Spring Boot or Micronaut. You will collaborate ...

Senior Software Engineer II: Graph & Search Platform (Java)

RELX is seeking a Senior Software Engineer II (Java/Spring) to join their Search and AI Platform team. This role involves designing graph-based search services, developing robust applications, and integrating with cloud-native systems while supporting scientific discovery through advanced technology. T ...

Senior Software Engineer (C# / Java) Remote & Scalable Backend

Threecolts is seeking a Software Engineer with 5–8+ years of experience to own features across Inventory Lab’s systems. You will design, build, and maintain scalable services and APIs, ensuring high performance and quality. Key qualifications include strong proficiency in C# and Java, experience with c ...

Senior Software Engineer (C# / Java) Remote & Scalable Backend

Threecolts in Bath is looking for a Software Engineer with proficiency in C# and Java. The role involves taking ownership of features across Inventory Lab’s systems and operating independently while making sound technical decisions. With a competitive salary of £90,000 per year, benefits include 25 day ...

Java Software Engineer – E commerce Platform (London Onsite)

JD.COM is seeking a software development lead to enhance the online shopping experience on Joybuy. The role involves designing and implementing scalable software components while collaborating with a dynamic team at our London location. The ideal candidate will have at least 3 years of software develop ...

Senior Software Engineer (C# / Java) Remote & Scalable Backend

Threecolts is seeking a software engineer to take ownership of features across Inventory Lab's C# and Java-based systems. The role involves designing and building scalable services and APIs, and contributing to technical discussions. Ideal candidates will have 5-8 years of experience in software engineering a ...

Senior Software Engineer (C# / Java) Remote & Scalable Backend

Threecolts in Salford is seeking an experienced Software Engineer to oversee features in their C# and Java systems. In this role, you will design scalable services and collaborate closely with Product, QA, and DevOps teams to enhance customer value. With 5–8+ years of experience and strong skills in C# ...

Senior Software Engineer (C# & Java) – Remote, 25 PTO

Threecolts is looking for a seasoned Software Engineer to take ownership of features within Inventory Lab’s systems, utilizing C# and Java. The ideal candidate will possess 5-8 years of experience and play a critical role in design, development, and debugging processes. This role offers the opportunity ...

Senior Software Development Engineer in Test (Java & Selenium)

Overview Uneek have partnered with a leading energy company who provide cutting-edge cleantech solutions in their search for a Senior SDET to join their team. Their mission is to help utilities transition to a more sustainable, customer-focused future. Senior Software Development Enginee ...

Lead Software Engineer Java & KDB Real Time Platform

A global financial services firm is seeking a Lead Software Engineer in Glasgow to work within Prime Finance Services. This role involves building and delivering innovative technology solutions, impacting operational stability. Key responsibilities include software design, and development, with a focus on utiliz ...

Senior Software Engineer – Java, Spring Boot, Cloud & DevOps

A leading defense technology company in the UK seeks a Senior Software Engineer for its teams in Manchester, Gloucester, or London. You will design and build software in a collaborative, cross-functional environment, and must hold current eDV clearance. Responsibilities include delivering critical software acros ...

Software Engineer Java, Cloud Services Development & Unit Testing

SOFTWARE ENGINEER – Java, Cloud Services development & Unit Testing £60 per hour via Umbrella Newcastle or Guildford – 4 days per week on-site Friday working from home 35-hour working week 12-month contract SC clearance required ...

Lead Software Engineer Java, Microservices, Low Latency FX

JPMorganChase is seeking a Lead Software Engineer to join the Corporate & Investment Bank (CIB) Markets team in Bournemouth. You will play a crucial role in developing secure and scalable technology products for foreign exchange trading platforms. The successful candidate will have extensive experience ...

Lead Software Engineer Java / Python Public Cloud Engineering

Job Description We have an opportunity to impact your career and provide an adventure where you can push the limits of what's possible. The Cloud Engineering Acceleration team accelerates delivery of strategic public cloud platform solutions by providing agile, cross-functional engineerin ...

Senior Front Office Software Engineer (C#/Java/.NET)

hackajob is seeking a Senior Front Office Developer based in London. You will turn complex challenges into innovative software solutions using Python, Java, .NET, and web services. The role involves extensive collaboration, development, and adherence to secure coding practices. Successful candidates wi ...

Trading Front Office Software Engineer (Java/Spring) – Glasgow

Provntalent is seeking a Software Engineer to join a leading multi-strategy investment firm in Glasgow. This role involves developing scalable applications that support investment and trading activities within a fast-paced team. The ideal candidate should have strong backend engineering skills, especially in ...

Senior Software Engineer, XiP Risk Engine (Java/Spring)

Job Search Place Limited is seeking a Senior Engineer to be the Applications Development Technology Lead Analyst for the XiP large scale distributed calculation platform. In this pivotal role, you will design and enhance the calculation engine, managing risk calculations efficiently. Ideal candidates w ...

Lead Software Engineer Java / Python Public Cloud Engineering

JOB DESCRIPTION We have an opportunity to impact your career and provide an adventure where you can push the limits of what's possible. The Cloud Engineering Acceleration team accelerates delivery of strategic public cloud platform solutions by providing agile, cross-functional engineerin ...

Lead Software Engineer Python/Java, Markets Tech Impact

United States Digital Space LLC is seeking a Lead Software Engineer in Greater London. In this role, you will design and deliver secure, stable technology solutions that support business objectives. You’ll collaborate within agile teams and ensure high standards in producing architecture and design art ...

Senior Software Engineer, XiP Risk Engine (Java/Spring)

Job Search Place Limited is seeking a Senior Engineer to be the Applications Development Technology Lead Analyst for the XiP large scale distributed calculation platform. In this pivotal role, you will design and enhance the calculation engine, managing risk calculations efficiently. Ideal candidates w ...

Lead Software Engineer Java & KDB Real Time Platform

A global financial services firm is seeking a Lead Software Engineer in Glasgow to work within Prime Finance Services. This role involves building and delivering innovative technology solutions, impacting operational stability. Key responsibilities include software design, and development, with a focus on utiliz ...

Senior Software Engineer – Java, Spring Boot, Cloud & DevOps

A leading defense technology company in the UK seeks a Senior Software Engineer for its teams in Manchester, Gloucester, or London. You will design and build software in a collaborative, cross-functional environment, and must hold current eDV clearance. Responsibilities include delivering critical software acros ...

Senior GenAI Engineer | Python Full Stack Lead

Mphasis is looking for a Senior GenAI Engineer/Python Fullstack Developer to lead the development of innovative AI solutions. This position requires expertise in Generative AI, Large Language Models, and full-stack development using Python. You will design, build, and scale AI applications that deliver signif ...

.NET Engineer (Fullstack) London/Hyrbid

Full Stack Engineer - .NET & Azure Location: London, UKWorking Mode: 1-2 days on site per week DescriptionWe're looking for a Full Stack Engineer - .NET & Azure to join our team in London, UK in a hybrid working mode. In this role, you will develop modern ...

.NET Engineer (Fullstack) London/Hyrbid

Full Stack Engineer - .NET & Azure Location: London, UKWorking Mode: 1-2 days on site per week DescriptionWe're looking for a Full Stack Engineer - .NET & Azure to join our team in London, UK in a hybrid working mode. In this role, you will develop modern ...

.NET Engineer (Fullstack) London/Hyrbid

Full Stack Engineer - .NET & Azure Location: London, UKWorking Mode: 1-2 days on site per week DescriptionWe're looking for a Full Stack Engineer - .NET & Azure to join our team in London, UK in a hybrid working mode. In this role, you will develop modern ...

.NET Engineer (Fullstack) London/Hyrbid

Full Stack Engineer - .NET & Azure Location: London, UKWorking Mode: 1-2 days on site per week DescriptionWe're looking for a Full Stack Engineer - .NET & Azure to join our team in London, UK in a hybrid working mode. In this role, you will develop modern ...

Senior Fullstack Engineer Commerce Platform

The Subscriptions Mission builds and evolves the experiences and systems that allow millions of listeners to discover, subscribe to, and enjoy Spotify Premium. Our teams focus on awareness, acquisition, activation, retention, and commerce — ensuring seamless experiences that help fans connect more deeply with ...

Senior Fullstack Engineer Commerce Platform

The Subscriptions Mission builds and evolves the experiences and systems that allow millions of listeners to discover, subscribe to, and enjoy Spotify Premium. Our teams focus on awareness, acquisition, activation, retention, and commerce — ensuring seamless experiences that help fans connect more deeply with ...

Senior Fullstack Engineer Commerce Platform

The Subscriptions Mission builds and evolves the experiences and systems that allow millions of listeners to discover, subscribe to, and enjoy Spotify Premium. Our teams focus on awareness, acquisition, activation, retention, and commerce — ensuring seamless experiences that help fans connect more deeply w ...

Senior Fullstack Engineer Data Intelligence

HiveMQ's Vision for this Role As a member of the HiveMQ Intelligence team, you'll design, develop, and operate the platform that turns industrial data into smarter operations. We follow agile principles and believe that ruthless automation and the smart use of Claude Code and other AI tools let u ...

Senior Fullstack Engineer – AI Native

HiveMQ’s Vision for this role We aren't just using AI to help us code; we are an AI-native engineering organization. Our next major milestone is architecting a swarm of autonomous coding bees – specialized agents designed to handle end-to-end feature delivery, from infra provisioning to self‑corr ...

Senior Fullstack Engineer (Data Platform)

Mission Statement The Platform team creates the technology that enables Spotify to learn quickly and scale easily, enabling rapid growth in our users and our business around the globe. Spanning many disciplines, we work to make the business work; creating the infrastructure, tooling, frameworks, ...

Senior Fullstack Engineer — Platform Architect

A growing engineering company in Greater London is seeking a Senior Fullstack Software Engineer responsible for designing, building, and maintaining critical production systems. The role emphasizes ownership, systems thinking, and high-quality engineering on mature platforms. The ideal candidate will have 8-15 y ...

Senior Fullstack Engineer (Typescript) – LegalTech

Our partner is transforming the legal industry by making high-quality legal support accessible to everyone. Through a combination of regulated human lawyers and proprietary AI, they’re reimagining how legal services are delivered—faster, cheaper, and more equitably.Their groundbreaking AI legal assistant i ...

Senior Fullstack Engineer Admin/AI

Senior Fullstack Engineer (Admin & AI Enablement) Team: Admin & AI Enablement Location: Remote / London / Hybrid (TBD) This role will be a key part of building Midnite’s new internal back office platform and shaping how internal tools evolve across the business. Yo ...

🚀 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

    Fullstack Software Engineer Java React Aws Jobs in United Kingdom Job Search Guide, Trends and Insights