Java Software Engineer Core Java Jobs in UK

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

Graduate Software Engineer Remote Android Apps

A leading technology company in Glasgow seeks a Graduate Software Engineer to develop cutting-edge mobile applications. This role involves writing Java and participating in the complete software development life cycle while working in an agile team environment. Ideal candidates are recent graduates with strong c ...

Senior Software Engineer Build Scalable Solutions

Northrop Grumman Corp. (JP) is seeking a Senior Software Engineer in Cheltenham, UK. This role involves developing and maintaining software to support mission-led solutions. Candidates should have experience in backend (Java Spring Boot) or frontend (React) development, familiarity with CI/CD, and strong problem ...

Graduate Software Engineer JS/TS, Vue & C#/.NET

Java Script Works is seeking a Graduate Software Engineer based in Hessle, United Kingdom. The successful candidate will be involved with modern JavaScript frameworks, particularly Vue.js, and should have knowledge of writing or maintaining tests, and .NET development experience. This full-time role promises com ...

Software Development Engineer (12 Month FTC)

At Booker, part of the Tesco Group, we’re proud to serve independent retailers, caterers, and businesses across the UK. Our technology powers millions of transactions and keeps shelves stocked across thousands of outlets. We’re looking for a Software Development Engineer to join our EPOS team and h ...

Senior Software Engineer News Automation Platform

Senior Software Engineer - News Automation Platform Join to apply for the Senior Software Engineer - News Automation Platform role at Bloomberg Senior Software Engineer - News Automation Platform Join to apply for the Senior Software Enginee ...

Senior IoT Platform Engineer — Cloud, Data & AI

LoweConex in Lisburn, Northern Ireland, is seeking experienced Software Engineers to join their innovative team. You will design and develop market-leading IoT products, contributing to real-time data-driven decisions using advanced technology. The ideal candidate holds a relevant Bachelor's degree with strong c ...

Software Developer — End to End Solutions in FinTech (Newcastle)

Core-Asset Consulting is looking for a Software Developer in Newcastle upon Tyne, England. This role offers the chance to work on innovative software solutions in a collaborative environment while taking ownership of projects from inception to delivery. Candidates should have strong programming skills in languag ...

Senior Software Engineer VERA Engine & Ecosystem

Ververica is seeking a Senior Software Engineer to enhance the VERA engine and its ecosystem. You will focus on kernel development, solving complex technical problems from design to production. Key responsibilities include implementing features, diagnosing issues, and quality assurance. Candidates must have stro ...

Software Engineer, Apollo Platform Deploy at Scale

A leading software company in Greater London is seeking a Software Engineer for its Apollo platform. This role involves building and maintaining software deployment systems at scale, engaging with customer needs, and solving complex performance issues. Applicants should have a degree in a relevant field and stro ...

Software Engineer II: Build Secure, Scalable Systems

A global financial services firm in Glasgow is seeking a Software Engineer II for their Corporate Technology - Client Onboarding Team. This role involves enhancing, designing, and delivering software components in a secure and stable manner. Responsibilities include writing high-quality code, troubleshooting, an ...

Software Engineer, Apollo Platform Deploy at Scale

A leading software company in Greater London is seeking a Software Engineer for its Apollo platform. This role involves building and maintaining software deployment systems at scale, engaging with customer needs, and solving complex performance issues. Applicants should have a degree in a relevant field and stro ...

Dev Productivity Engineer — Accelerate Engineering Velocity

Palantir, located in London, is hiring a Software Engineer to enhance developer productivity. This role involves building software at scale to support various engineering activities and improve workflows. Candidates should have over 2 years of software engineering experience and be proficient in languages like J ...

Lead Software Engineer, Defense Systems & Embedded

A defence technology company in the UK is seeking a Senior Software Engineer to join its Systems and Software team. This role involves designing, developing, and maintaining software throughout the full Software Development Lifecycle, providing technical leadership and oversight to projects. Candidates should ha ...

Lead Software Engineer, Defense Systems & Embedded

A defence technology company in the UK is seeking a Senior Software Engineer to join its Systems and Software team. This role involves designing, developing, and maintaining software throughout the full Software Development Lifecycle, providing technical leadership and oversight to projects. Candidates should ha ...

Software Engineer (Cloud & Data Migration)

Software Engineer (Cloud & Data Migration) The Opportunity Join a global leader in the digital product space, building high-concurrency systems for millions of users. We are looking for a Senior Engineer to drive our back-end strategy and cloud deployment using a modern, best ...

Software Engineer

This range is provided by Candour Solutions. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range Direct message the job poster from Candour Solutions Associate Consultant at Candour Solutions Job Type: Full-time < ...

Software Engineer II Blockchain/ Digital Assets

As a Software Engineer II, you will join our London-based engineering team, contributing to the design, development, and delivery of Java, Python and TypeScript-based blockchain applications. Working alongside experienced engineers with decades of Markets expertise, you'll build production-grade bl ...

Software Engineer II Blockchain/ Digital Assets

As a Software Engineer II, you will join our London-based engineering team, contributing to the design, development, and delivery of Java, Python and TypeScript-based blockchain applications. Working alongside experienced engineers with decades of Markets expertise, you'll build production-grade bl ...

Software Engineer II Blockchain/ Digital Assets

As a Software Engineer II, you will join our London-based engineering team, contributing to the design, development, and delivery of Java, Python and TypeScript-based blockchain applications. Working alongside experienced engineers with decades of Markets expertise, you'll build production-grade bl ...

Software Engineer II Blockchain/ Digital Assets

As a Software Engineer II, you will join our London-based engineering team, contributing to the design, development, and delivery of Java, Python and TypeScript-based blockchain applications. Working alongside experienced engineers with decades of Markets expertise, you'll build production-grade blockc ...

Software Engineer II Blockchain/ Digital Assets

As a Software Engineer II, you will join our London-based engineering team, contributing to the design, development, and delivery of Java, Python and TypeScript-based blockchain applications. Working alongside experienced engineers with decades of Markets expertise, you'll build production-grade blockc ...

SC Cleared Software Engineer | Hybrid, Edge & Cloud

CBSbutler Ltd. is seeking a Software Engineer to work in Romsey, Hampshire, with a hybrid model (2 days onsite). The role involves delivering cutting-edge software solutions and contributing to operational systems for complex challenges. You should have a degree in a STEM subject, and experience with programming ...

C++ Data Science Engineer Research to Real World Impact

IC Resources is seeking a talented C++ Software Engineer in Bristol to design and develop scalable software systems with integrated data science capabilities. The ideal candidate will have strong experience in software engineering (C++, Java or similar) and a solid background in data science and machine learning ...

Field Deployments Software Engineer for Autonomous Systems

Understanding Recruitment is hiring a Deployed Software Engineer in Greater London, UK. This role involves deploying cutting-edge AI software into real operational environments while collaborating with customers and users. Candidates must have strong software engineering skills in languages such as Python, C++, ...

Principal Software Engineer — Lead Modern Systems (Bonus + Shares)

A leading cloud and software engineering consultancy in Greater London seeks a Principal Software Engineer to provide senior technical leadership. You'll design and evolve scalable software systems, mentor engineers, and influence architectural standards. Ideal candidates have strong experience in Java/Spring, m ...

Principal Software Engineer, Retail Tech Innovation

A leading digital retailer is seeking a Principal Software Engineer to shape and run software solutions within an agile squad. You will lead the full software development lifecycle, collaborating with diverse teams to create innovative systems. This role requires extensive experience in Java and AWS, with a focu ...

Graduate Quality Engineer: Shape Quality in Scalable Systems

Trayport is looking for a passionate Quality Engineer to join their team in Greater London. You will be essential in defining and executing quality strategies, performing exploratory and technical testing, and enhancing the software development process. Ideal candidates will have a strong background in software ...

Senior Software Engineer Mission Critical Mobile Apps (Hybrid UK)

A global technology firm in Glasgow is seeking a Senior Software Engineer to develop complex full stack software solutions. The role is hybrid, allowing for work from home and office collaboration. Ideal candidates will have over 5 years of experience, strong programming skills in languages like Java or C#, and ...

Senior Lead Full Stack Engineer: Secure, Scalable Web Apps

A global financial services leader is seeking a Senior Lead Full Stack Software Engineer to contribute to its Cybersecurity team. This role involves designing and developing scalable web applications while ensuring quality and user experience. Candidates should have extensive experience in software engineering, ...

Senior Software Engineer Mission Critical Fire Tech (Hybrid)

A global technology firm located in Glasgow is seeking a skilled Software Engineer to join their team. The role supports public safety agencies and offers a hybrid work model. The ideal candidate should have over 5 years of commercial software engineering experience and strong programming skills, particularly in ...

Senior Software Engineer Mission Critical Fire Tech (Hybrid)

A global technology firm located in Glasgow is seeking a skilled Software Engineer to join their team. The role supports public safety agencies and offers a hybrid work model. The ideal candidate should have over 5 years of commercial software engineering experience and strong programming skills, particularly in ...

Senior Lead Full Stack Engineer: Secure, Scalable Web Apps

A global financial services leader is seeking a Senior Lead Full Stack Software Engineer to contribute to its Cybersecurity team. This role involves designing and developing scalable web applications while ensuring quality and user experience. Candidates should have extensive experience in software engineering, ...

Senior Software Engineer Mission Critical Mobile Apps (Hybrid UK)

A global technology firm in Glasgow is seeking a Senior Software Engineer to develop complex full stack software solutions. The role is hybrid, allowing for work from home and office collaboration. Ideal candidates will have over 5 years of experience, strong programming skills in languages like Java or C#, and ...

Staff Software Engineer, Code Search

Locations In this role you can work from Remote, United Kingdom Overview GitHub is shaping the future of software development in the age of AI agents — and search is at the heart of it. As GitHub's lexical and semantic code search engine, Blackbird powers context retrieval for b ...

Software Development Engineer in Test

Division: GBSThe Role:Euroclear is modernising their technology and is moving from COBOL to Java and use Event Hub technology (such as Kafka) for integration between the new migrated services and non-migrated legacy CREST system. The Software Development Engineer in Test will j ...

Software Development Engineer in Test

Division: GBSThe Role:Euroclear is modernising their technology and is moving from COBOL to Java and use Event Hub technology (such as Kafka) for integration between the new migrated services and non-migrated legacy CREST system. The Software Development Engineer in Test will j ...

Senior Software Engineer (Tech Lead)

Senior Software Engineer (Tech Lead) page is loaded## Senior Software Engineer (Tech Lead)locations: United Kingdom - London - Paddington (PPS)time type: A tiempo completoposted on: Publicado hace 22 díasjob requisition id: JR Dé un paso adelante y deje que Edenred le sorprenda.Cada día, ofrecemos soluci ...

Senior Product Security Engineer

Qube Research & Technologies (QRT) is a global quantitative and systematic investment manager, operating in all liquid asset classes across the world. QRT is a technology and data‑driven group implementing a scientific approach to investing. Combining data, research, technology and trading expertise has ...

AI Driven Frontline Software Modernization Engineer

A leading enterprise software firm in the United Kingdom seeks an experienced Full-Stack Software Engineer to act as a Forward Deployed Engineer. This role involves embedding with teams to lead modernization efforts, drive AI-assisted SDLC practices, and manage technical changes. The ideal candidate will have ov ...

Lead Software Engineer Build Secure, Scalable Systems

A leading technology firm in Cheltenham is seeking a Principal Software Engineer. This role involves leading a team, working through the software development lifecycle, and ensuring customer requirements are met. Candidates should have strong experience in Java or frontend technologies, excellent communication s ...

Staff Backend Engineer (FinTech) Bangkok Relocation

A leading online travel platform is seeking a Staff Software Engineer (FinTech) to design robust backend systems and scalable data pipelines. The ideal candidate has over 8 years of experience with Java, Kotlin, Scala, or C# and a passion for software craftsmanship. This role offers an opportunity to influence A ...

Senior Software Engineer: Lead & Mentor on Scalable Systems

A leading insurance provider in Greater London is seeking an experienced software engineer proficient in JAVA, .NET, and JavaScript. The role involves consulting with users, guiding teams, and developing innovative software solutions. Candidates must possess a strong programming background and be familiar with A ...

Senior Embedded Software Engineer On Site, DV Cleared

A leading defense technology company in Malvern is seeking a Senior Embedded Software Engineer to work on innovative solutions in the field of intelligence security. The ideal candidate will have extensive experience in software development, working with C, C++, Python, Java, or C#. This role is on-site and requ ...

Tech Lead: Java & Cloud, Hybrid & High Impact

A global transactional solutions leader is looking for a Senior Software Engineer (Tech Lead) in London. The role involves leading a cross-functional agile team, guiding software development, and ensuring robust solutions. Ideal candidates have solid Java and Spring Boot experience, familiarity with cloud platfo ...

Senior Software Engineer: Lead & Mentor on Scalable Systems

A leading insurance provider in Greater London is seeking an experienced software engineer proficient in JAVA, .NET, and JavaScript. The role involves consulting with users, guiding teams, and developing innovative software solutions. Candidates must possess a strong programming background and be familiar with A ...

Tech Lead: Java & Cloud, Hybrid & High Impact

A global transactional solutions leader is looking for a Senior Software Engineer (Tech Lead) in London. The role involves leading a cross-functional agile team, guiding software development, and ensuring robust solutions. Ideal candidates have solid Java and Spring Boot experience, familiarity with cloud platfo ...

Hybrid Data Lead Engineer Python/TypeScript + GraphQL

Java Script Works is searching for a Lead Software Engineer - Data based in Greater London, United Kingdom. This hybrid role focuses on optimizing the platform's performance, requiring strong programming skills in Python and TypeScript, alongside knowledge of the full Software Development Life Cycle (SDLC). Remu ...

Staff Backend Engineer (FinTech) Bangkok Relocation

A leading online travel platform is seeking a Staff Software Engineer (FinTech) to design robust backend systems and scalable data pipelines. The ideal candidate has over 8 years of experience with Java, Kotlin, Scala, or C# and a passion for software craftsmanship. This role offers an opportunity to influence A ...

Hybrid Data Lead Engineer Python/TypeScript + GraphQL

Java Script Works is searching for a Lead Software Engineer - Data based in Greater London, United Kingdom. This hybrid role focuses on optimizing the platform's performance, requiring strong programming skills in Python and TypeScript, alongside knowledge of the full Software Development Life Cycle (SDLC). Remu ...

VP Backend Engineer High Touch Trading

A leading technology firm in London is seeking talented software engineers to join their front office trading technology team. The role involves building server-side systems that drive trading workflows used by internal traders and external counterparties. The ideal candidate will have over 10 years of software ...

🚀 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

    Java Software Engineer Core Java Jobs in United Kingdom Job Search Guide, Trends and Insights