403,518+ Java Software Engineer Cloudnative Api Security 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

Lead Engineer

Division: Group Business Solutions (GBS)Your career opportunityJoin our Group Business Solutions (GBS) division, where we design and sustain IT solutions for financial market securities. Be part of a dynamic, collaborative team in a fast-evolving environment, shaping the future ...

Founding Engineer | Cybersecurity

Series A Cyber Security Startup | Well-Funded | Elite Team We’re working with a Series A cyber security startup tackling genuinely hard problems in a critical, fast-growing market. The company has moved beyond idea-stage, has real traction, real customers, and serious momentum — now ...

AVP Java Fullstack Engineer: Financial Crime Innovation

Barclays is looking for a Java Fullstack Engineer at AVP level in Glasgow, United Kingdom. This role will involve shaping the future of financial crime prevention through the Integrated financial crime program. The ideal candidate will collaborate with cross-functional teams, maintain code quality, and have expe ...

Lead Engineer, Risk Technology — High Performance Java

CoinDesk is seeking an experienced Java backend engineer to join the Risk Engineering team in Greater London. The ideal candidate will have over 10 years of Java experience, strong ownership skills, and the ability to thrive in dynamic environments. You will design scalable JVM services and collaborate with c ...

Senior Backend Engineer — Java & Data Services Architect

MASS Analytics is seeking a Senior Backend Engineer in London to design and maintain backend services using Java. The role involves analyzing user requirements, developing backend architecture, and ensuring efficient database integration with SQL and NoSQL. The position offers a competitive salary and is full-ti ...

Hybrid Full‑Stack Java Engineer — HealthTech Scheduling

A leading health technology company is seeking a Full Stack Java Engineer to work on a product that drives efficiencies for the NHS. In this impactful role, you'll re-architect a shift rota application, enhancing it using Java and Angular. The position is based in London with flexibility to work from home. The i ...

Senior Java Lead Engineer AI & Data Platforms

A leading global financial markets provider is seeking a highly skilled Lead Java Engineer with over 12 years of backend software engineering experience. The role focuses on building the FTSE Russell Index Platform and involves leading projects from start to finish. Candidates must have strong algorithms and dat ...

VP Java Engineer, Trading Tech (Equities) – Hybrid

A leading global financial services firm in Greater London is seeking a Software Engineer for its Equities Technology team. The role involves collaborating with global teams and delivering business solutions through agile methodologies. Required qualifications include 6-10 years of experience in application deve ...

Java DevOps Engineer DV Cleared – Hybrid Cheltenham

IO Associates is searching for a skilled Java Developer with DevOps expertise to join their team in Cheltenham. This role requires active UK*C DV clearance and offers a hybrid work model, typically 3 days on-site per week. In this dynamic position, you'll engage in Java development and utilize tools su ...

Java Spring Boot Cloud Migration Engineer (AWS)

Computer Futures is looking for an engineer in Manchester with expertise in Java and Spring Boot, focused on leading cloud migrations primarily on AWS. The position offers a contract starting with 3 months, likely extending to 6-9 months. You'll be responsible for developing solutions and migrating full product ...

Senior Java Engineer Low Latency Trading Systems

TP ICAP Group Services Ltd is seeking a Senior Java Developer based in the City Of London. The role involves designing and implementing low-latency trading system components while collaborating with diverse teams to ensure optimal performance and stability. Candidates should have substantial experience ...

Java Backend Engineer – Spring Boot, REST & Kafka

Rockstar in Dundee, Scotland is seeking a Java Backend Developer to design and implement solutions for game development challenges. The ideal candidate has over 3 years of experience in Java backend development, strong command of the Spring Boot ecosystem, and a solid understanding of MySQL. You will contribute ...

Java Backend Engineer Spring & Kafka, Game Tools

Rockstar Games in Dundee is looking for a Java Backend Developer with over 3 years of experience. In this role, you will design and implement solutions to meet fast-paced game development challenges, collaborate with various technology teams, and develop a strong understanding of the systems used across Rockstar ...

Platform Backend Java Engineer (Hybrid, Fixed Term)

A technology consulting company is seeking a Backend Java Developer to build core backend services in a hybrid role based in Birmingham. You will implement policy engines for data governance and work with distributed data platforms. The ideal candidate has strong Java and Spring experience, expertise in SQL pars ...

Senior Java Engineer Remote UK, Scale & Impact

A leading educational technology company is seeking a Senior Software Engineer to join their Integrations team. This role offers the opportunity to work remotely or from Newcastle, UK. The candidate will be responsible for developing critical integrations and in-house applications. Candidates should have 5+ year ...

Java Backend Engineer — Cloud Native & AI Driven

Utilise cutting-edge technologies Utilise AI, Blockchain, DevOps, and cloud-native technologies to accelerate development and optimise performance. Adopt agile methodologies Use agile methodologies to prototype and design and develop high-quality, scalable applications using Java (Sp ...

Real Time Java Engineer — Front Office/Trading

A leading technology consultancy in London seeks an experienced Java Developer focused on real-time trading and risk systems. You will join a dynamic team that designs mission-critical systems supporting electronic trading activities. Ideal candidates should possess strong skills in Java and experience in low-la ...

Senior Java Backend Engineer — Global Fintech Microservices

ARQ, a rapidly growing fintech in Greater London, is seeking a Backend Engineer to design and maintain scalable backend systems. This role involves greenfield development and building REST APIs, leveraging a tech stack primarily based on Java and Postgres. The ideal candidate will have a bachelor's deg ...

Real Time Payments Engineer (Java, Spring, Kafka)

A leading technology firm in Greater London is looking for an experienced Software Engineer to develop innovative solutions in the real-time payment processing sector. The ideal candidate will have expertise in Java, experience with reactive programming using the Spring framework, and be familiar with Agile meth ...

Java Backend Engineer for Scalable Travel APIs

At SilverRail, we're on a mission to reshape the way the world travels, and we're inviting you to be part of this journey. Rail is becoming the go-to choice for short and medium‑haul travel worldwide, and we're here to help make it happen. In the face of the ongoing climate crisis, our vision is cry ...

Low Latency Java Backend Engineer | Spring Boot

Net2Source (N2S) is seeking an experienced Java developer in Belfast, Northern Ireland, with strong expertise in Spring Boot and microservices. The ideal candidate will have extensive experience with low-latency programming, RDBMS concepts, and CI/CD tools in a financial services environment. A bachelo ...

Java Backend Engineer Spring Boot, Microservices, AWS

Zensar Technologies is looking for a skilled Java Developer located in Burgess Hill, United Kingdom. The ideal candidate will design, develop, and maintain applications using Java 17/21 and Spring Boot, with a focus on creating resilient and scalable Microservices. This role requires strong hands-on ex ...

Java Microservices Engineer – Cloud & CI/CD (Hybrid)

Java Developer Location: Newcastle upon Tyne Hybrid Working Please note - This role will require you to work from our Newcastle, Cobalt Business Park office 3 days per week. Due to the nature of client work you will be undertaking, you will need to be willing to go throu ...

Senior Lead Backend Engineer — Java/Kotlin (Fintech)

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’re people-first. ...

Senior Java Engineer, Equinox Platform Lead (Hybrid)

Citigroup Inc. is looking for a Senior Java Engineer in Greater London to drive innovation in the Equinox team within Equity Derivatives Tech. This role involves architecting solutions, collaborating with stakeholders, and mentoring junior engineers. You will work with technologies such as Java, REST APIs, and C ...

Senior Backend Engineer Java Microservices | Hybrid/Remote

A leading fintech company is seeking a passionate backend developer to drive innovation in their microservices architecture. With a strong focus on Java and Spring frameworks, you will work within a self-managed team in a hybrid or remote setting. The role emphasizes quality, collaboration, and career developmen ...

Senior Lead Backend Engineer — Java & Kotlin (Fintech)

A leading financial services firm in Greater London is seeking a Senior Lead Software Engineer. The successful candidate will drive innovative product solutions while prioritizing collaboration and diversity in a tech-driven environment. Responsibilities include developing scalable and secure code, problem-solvi ...

Backend Engineer (Java/Kotlin) – Scale Global Payments

Wise is seeking a Backend Engineer to join their Recurring Payin team. This full-time role focuses on developing backend services and APIs that enhance their financial products. Candidates should have strong communication skills, experience in web application development, and knowledge of Java and Spring Boot. T ...

Low Latency Quant Trading Engineer (Java) London

Deutsche Bank is seeking a Quantitative Trading Engineer in Greater London, focused on developing low-latency trading applications. The role requires excellent Java skills, experience in high performance systems, and collaboration with teams to improve software processes. Benefits include a competitive salary, h ...

Java DevOps Engineer eDV Clearance, Onsite Cheltenham

IO Associates is seeking a Java Developer with strong DevOps skills to join an established SME in the National Security space in Cheltenham. The role requires active eDV Clearance and a start date as soon as possible. You will be expected on site for 3 days each week for a duration of 6 months, with a ...

Contract Full Stack Java Engineer React + Python

Java Script Works is seeking a Full Stack Java Engineer for a fixed-term contract in Birmingham, United Kingdom. The role requires solid development experience, particularly in Java and React, alongside broader knowledge across various tools and frameworks. This position offers competitive compensation and empha ...

Full Stack Java/React Engineer — Remote & Flexible

Job Description Job DescriptionCan you think strategically and connect the dots across projects to shape the bigger picture? Do you thrive in fast-paced, agile environments, enjoy exploring smarter ways of working, and love to collaborate acros ...

Senior Java Backend Engineer | Enterprise Platform Leader

A global financial services organisation is seeking a Senior Java Engineer to contribute to a vital enterprise platform. This hands-on role involves not only development but also shaping technical standards and collaborating with senior engineers to enhance platform quality. Ideal candidates should have strong e ...

Java Backend Engineer — Scalable Cloud APIs (Hybrid)

Jacobs is seeking a Java Developer in Glasgow to design and deliver scalable back-end services and APIs using modern Java practices. This full-time, permanent position offers a hybrid working model, emphasizing work-life balance and flexibility. The ideal candidate will have strong Java development exp ...

Java Full Stack Engineer: Cloud Native & Kubernetes

A technology consulting firm in Glasgow is seeking a passionate Full Stack Java Developer. In this role, you will design and maintain enterprise-grade applications. You will work extensively with Java, Spring Boot, and cloud technologies, helping to deliver scalable solutions. This position requires strong skill ...

Java FinTech Microservices Engineer — Global Relocation Included

A global e-commerce company is seeking a Software Developer to contribute to high-scale products and see the real-world impact of their work. The role involves creating scalable systems, advocating best practices, and working within a performance-driven culture. Ideal candidates should have solid software develo ...

Senior Java Engineer — BSS/OSS & Microservices Mentor

A leading software company in Greater London is looking for a Senior Developer to join its Software Engineering team. The role involves technical design, development of BSS/OSS products, and mentoring junior developers. The ideal candidate will have extensive experience in Java technologies and a strong grasp of ...

Senior Java Trading Systems Engineer Low Latency

A leading financial services provider is seeking a Senior Java Developer to design and implement low-latency trading system components. This role requires deep expertise in Java, real-time systems, and distributed messaging technologies. The ideal candidate will be responsible for optimizing mission-critical tra ...

Java Full Stack Developer | Frontend & Backend Engineer

Java Script Works, located in Greater London, is looking for a skilled Java Full Stack Developer. The ideal candidate should be proficient in Java for back-end development and experienced in front-end technologies like HTML, CSS, and JavaScript, alongside frameworks such as React or Angular. Responsibilities inc ...

Senior Java Backend Engineer Build Scalable Microservices

Alumni Ventures is looking for a Senior Java Engineer to join their team in Greater London. In this role, you will design and develop backend services using Java and Spring Boot, ensuring the reliability and scalability of their systems. The ideal candidate has a strong understanding of microservices a ...

Senior Java Microservices Engineer Cloud Native APIs

HCLTech is seeking a Senior Engineer to take end-to-end ownership of complex distributed systems. You will design, build, and operate cloud-native microservices in Java 17/21 with Spring Boot, ensuring responsiveness through modern front-ends in Typescript. This hands-on role involves daily production ...

Latency Driven Backend Engineer (Java, Microservices, FIX)

Net2Source (N2S) is seeking a skilled candidate to join their team in Belfast. The role focuses on technical requirements primarily in the financial services domain, requiring strong expertise in Java and Spring Boot. The ideal candidate will excel in analytical and communication skills, with proven experienc ...

Full Stack Java/Spring Boot Engineer – Sheffield

A leading IT staffing company is seeking a Full Stack Developer for their Sheffield location. This role requires proficiency in Java and Spring Boot with 3-7 years of experience. The ideal candidate will have a strong understanding of microservices architecture, front-end frameworks like React or Angular, and ex ...

Senior Java/AWS Cloud Engineer Remote & Flexible

A global engineering firm based in Cheltenham is seeking an experienced Software Engineer to join their Technology Solutions team. The ideal candidate will have senior-level experience in Java and AWS, with expertise in full lifecycle development including modern front-end frameworks. This role offers a competit ...

Full Stack Engineer: Java Microservices & Scalable APIs

FDJ UNITED is seeking a Backend or Full Stack Developer/Engineer to engage in the full system life cycle, focusing on scalable, maintainable services for our customer service back offices. This role offers the opportunity to deepen technical knowledge, work with experienced engineers, and grow into a senior p ...

Platform Backend Java Engineer (Hybrid, Fixed Term)

A leading consultancy firm seeks a Backend Java Developer in Birmingham to build core backend services for data access governance. The role involves heavy lifting with Java (17/21), Spring, and SQL planning. As part of a hybrid team, you will implement policies and work on high-throughput services. Strong hands- ...

Lead App Engineer Java, Python, Angular & Microservices

Job Role: Application Engineering Lead (Java, Python, Angular, Microservices and Adobe ) Location: Manchester, UK About the Job you are considering: We are seeking experienced Application Engineering Lead (Java, Python, Angular, Microservices and Adobe ) </st ...

Senior Java/Kotlin Backend Engineer FinTech (Hybrid)

Oliver Bernard is looking for Senior Java/Kotlin Engineers to join their growing fintech team in London. This role involves designing and building high-performance backend services, working with distributed systems, and utilizing modern tooling. Ideal candidates will have strong commercial experience w ...

Hybrid Backend Engineer – Java Spring Boot & Python

Methods Business and Digital Technology is seeking a Back-end Developer specializing in Java Spring Boot and Python. This permanent hybrid role requires three days on-site in London. You will lead the migration of core architecture to a cloud-native landscape and design technical connectors for global channels. ...

Senior Java Engineer: Kubernetes, Kafka, SpringBoot|Hybrid

Salt Digital Recruitment is seeking a Senior Java Engineer for a major banking client in London. This 12-month freelance role offers a daily rate between £550 - £750, with a mandatory in-office presence 8 days per month. The ideal candidate will have solid experience in core Java, Docker, Kubernetes, a ...

🚀 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

    Buffering Video...

    Java Software Engineer Cloudnative Api Security Jobs in United Kingdom Job Search Guide, Trends and Insights