357,449+ 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

Senior Software Engineer – UK Clearance, Hybrid & Growth

1120 NG UK Limited. is seeking a Lead Software Engineer with the requirement of UK citizenship and high-level government clearance. The role involves owning deliverables, mentoring junior developers, and collaborating throughout the software development lifecycle. Key qualifications include backend Jav ...

Software Engineer FX & Cross Border Payments

Crown Agents Bank Ltd. is seeking a Software Engineer for their FX and Cross-Border Payments team in London. Responsibilities include designing and implementing scalable solutions and participating in architectural decisions. Candidates should have over 3 years of software development experience and be proficien ...

Software Engineer Galileo Platform: Cloud & Web Innovator

Java Script Works in Cambridge, United Kingdom is looking for a Software Engineer specialized in the Galileo Platform. Candidates should have hands-on experience with cloud-hosted systems, particularly Azure and AWS, and a strong foundation in JavaScript, HTML, and CSS. The role offers competitive comp ...

Senior Frontend Engineer — D3/React Web Apps Lead

Java Script Works is seeking a Senior Front End D3 Javascript Software Engineer based in London, United Kingdom. The role requires extensive experience in D3, React, and JavaScript, focusing on the development of advanced web applications. The ideal candidate will have between 7 to 10 years in software developme ...

Staff Software Engineer, Warehousing & Cloud Apps

Marks and Spencer is looking for a skilled software engineer to lead the development of robust backend systems and cloud applications. You will shape engineering standards and mentor fellow engineers, participating in a transformative journey towards a digital-first organization. The role demands experience in s ...

Backend Engineer II — High Scale Distributed Systems (Equity)

Software Careers is seeking a Software Engineer II in London to take ownership of high-scale backend infrastructure. This role involves working with distributed systems processing over 1 trillion queries daily and solving complex algorithmic challenges. Ideal candidates should have proficiency in C#, Java, C++, ...

Senior Software Engineer — Lead Modernization & Cloud Apps

aPriori Technologies in Belfast is seeking a Senior Software Engineer to strengthen and modernize its product portfolio. You will design, develop, and evolve complex enterprise applications in a collaborative environment. The ideal candidate will have over 7 years of experience in software engineering ...

Hybrid Principal Java Engineer: Lead Architect & Mentor

The Very Group is looking for a Principal Software Engineer located in Liverpool. This role involves leading the development lifecycle, collaborating with teams to design innovative systems, and ensuring software quality. Candidates should have extensive experience with Java and AWS in multi-cloud envi ...

Senior Java Backend Engineer – Remote/UK FinTech

A leading global fintech is seeking a Senior Java Software Engineer to join their remote-first UK team. You will design and develop cloud-based backend services and mentor junior engineers while influencing technology choices. Applicants should have over 6 years of experience in software engineering with a stron ...

Senior Staff Software Engineer — Agentic AI Architecture

A leading data integration company in Manchester seeks a Senior Staff Software Engineer to drive architecture and build tools for agentic AI systems. You will mentor engineers and develop scalable software in a collaborative environment. Ideal candidates have deep Java expertise, experience with agentic AI, and ...

Senior Software Architect – Distributed Systems

SII Group UK is looking for a highly experienced Senior Software Engineer to join our team in Manchester. In this role, you'll design and develop large-scale, distributed, and safety-critical software systems. The ideal candidate will have a strong background in C/C++ and Java, experience with Linux-ba ...

Staff Software Engineer Billing Platform & Scale (Hybrid)

Apex Fintech Solutions UK Ltd. is looking for a Staff Software Engineer to design microservices architecture and mentor engineers. This position requires 8+ years of experience in software development, expertise in Java, Python, and strong knowledge of cloud platforms. This role operates in a hybrid en ...

Senior Real Time Java/Kafka React Engineer

JPMorganChase in Bournemouth is looking for a Software Engineer III to join their Global Liquidity and Cash Management Technology team. You will design and enhance a real-time client liquidity dashboard using Java, Kafka, and ReactJs. The role includes writing high-quality code, providing technical leadership, a ...

AI Driven Software Engineer for Investment Analytics

A financial technology firm in Edinburgh is looking for a Software Engineer to join their Alternative Assets Engineering team. The role involves developing software solutions for fund analytics in a collaborative, Agile environment. Candidates should have a Bachelor’s degree in Computer Science, strong Java prog ...

Senior Software Engineer Enterprise Web & Cloud (AWS/Azure)

Prattwhitney has a permanent opportunity for a Senior Software Engineer in Manchester. In this role, you'll work in a cross-functional team, delivering critical software across various business areas. You should have full-stack experience, Java skills with Spring Boot, and familiarity with cloud platforms. </ ...

Developer Experience Lead: Platform & Enablement

Capital One (Europe) plc is seeking a Lead Software Development Engineer in Nottingham. You will enhance developer experience by supporting software delivery, improving engineering processes, and collaborating across teams. This role requires strong communication skills and programming expertise in Java or TypeS ...

SC Cleared Cloud Software Architect Hybrid (Newcastle)

iO Associates is seeking a skilled SC Cleared Software Engineer with strong Java and cloud development experience. You will design, develop, test, and deploy scalable cloud-native applications in a collaborative Agile Scrum team. This role offers a hybrid working model in Newcastle, demanding strong te ...

Software Engineer I–III: Build Scalable, Fault Tolerant Apps

Global Credit Union in the United Kingdom is seeking a Software Engineer to collaborate on product development and technical solutions. The role requires a Bachelor's degree, at least one year of experience in software development, especially with C#, .NET, and Java. The starting salary ranges from $63,233 to $1 ...

Backend Engineer, Payments Platform & Distributed Systems

American Express is hiring a Software Engineer to work within the Modern Money Movement team in Burgess Hill, UK. This role emphasizes building scalable backend payment systems for financial transactions. Engineers will collaborate closely in Agile Scrum teams, focusing on clean coding, operational exc ...

Senior Software Engineer – AI/ML & Node.js Expert

Java Script Works is seeking a Senior Software Engineer specialized in AI technologies. The role requires over 6 years of software engineering experience with strong proficiency in C#, Node.js, and Databases. The ideal candidate will have hands-on experience with AI/ML frameworks like TensorFlow and PyTorch. ...

Senior Java Backend Engineer Identity & Access Management

Square One Resources seeks a Senior Backend Software Engineer in Basildon to join their Identity Management Services team. You will be responsible for designing and delivering secure, scalable backend platforms while acting as a technical leader to mentor developers and ensure platform resilience. The ...

Senior Software Engineer – Services & Automation (Hybrid UK)

Capital One (Europe) plc is looking for a Senior Software Development Engineer in Nottingham. This role involves designing and developing internal software solutions for business process automation. Candidates should have exceptional programming skills in modern OO languages, particularly Java, and experience wi ...

Senior Full Stack Tech Lead Remote/Flex

Leidos in Farnborough seeks a Lead Software Engineer to provide technical leadership and support the software team in delivering solutions. The role involves developing backend services in Java and modern SPA applications using frameworks like React and TypeScript. With 10+ years of experience required ...

Senior Backend Engineer Cloud Native Java & Microservices

JPMorgan Chase & Co. is seeking a Lead Software Engineer within the International Consumer Bank to deliver an outstanding banking experience. You will work collaboratively in a diverse team, focusing on cloud-native solutions and enhancing customer journeys. The ideal candidate will have hands-on exper ...

Senior Lead Backend Platform Engineer (Java/Spring Boot)

A leading financial services firm in Greater London seeks a Senior Lead Software Engineer to develop and maintain backend frameworks using Java and Spring Boot. This role involves driving best practices, collaborating with product teams, and mentoring engineers. The ideal candidate has a deep technical backgroun ...

Senior Backend Engineering Lead APIs, Cloud & Scale

Capital One is seeking a Senior Software Development Engineer in Nottingham, offering a hybrid working model. You will lead a backend team, driving innovation and best practices, and contribute to significant software components. The position requires technical leadership, strong programming skills (pr ...

Java Backend Engineer Spring Boot | Cloud & Microservices

NextWave Consulting Ltd is seeking a Software Engineer to contribute to their Data Fabric platform. The candidate will design and enhance backend services, collaborate within an agile team, and ensure high-quality software delivery. Must have strong experience in Java and Spring Boot, agile development, and fami ...

Engineering Manager Java & Finance Tech Leadership

JPMorgan Chase & Co. seeks a Manager Software Engineer in Glasgow to lead a team of engineers in delivering scalable technology solutions. You will be responsible for managing technical projects and fostering collaboration across stakeholders, ensuring alignment with business objectives. The ideal candidate has ...

Global Finance Systems Engineer III: Scale & Impact

A multinational software company in London is looking for a Senior Software Development Engineer III to innovate in financial systems impacting global entertainment. The role requires 5+ years of experience and proficiency in Java, C++, or C#. Responsibilities include collaborating with diverse teams, developing ...

Senior Java Engineer: REST APIs, DB & On Site Newbury

Red Top Resources in Newbury is seeking an experienced Senior Software Engineer to deliver high-quality software solutions. The role involves developing web applications, RESTful APIs, and maintaining existing systems, while mentoring junior developers. Candidates should have at least 5 years of Java d ...

Hybrid SDE (C#, .NET) Build Bespoke Dental Apps

Bupa UK is seeking a Software Development Engineer (SDE) in Bristol. The SDE will design and maintain bespoke software applications within an Agile team, focusing on requirements in C# .NET, .NET Web API, and more. Responsibilities include complex programming tasks and code reviews, alongside supporting junio ...

Hybrid Software Engineer Physics AI for Engineering

A tech innovation company in Greater London seeks a Software Engineer to develop and deploy applications that leverage physics AI models. The role involves collaborating with cross-functional teams to create tools that address complex engineering challenges. Candidates should have a strong background in software ...

Software QA Engineer Playwright Automation, Hybrid + Bonus

Spectrum IT Recruitment is seeking a Software QA Engineer for a hybrid role in Brighton. This position involves enhancing QA processes and implementing new technologies within a successful software team. The ideal candidate will have strong automation skills, particularly with Playwright, and a solid u ...

Software Engineer & Digital Engineer (11205)

Software Engineer Permanent Full time (34.5 hours) - we are open to a conversation about how you work these hours Hybrid - Split between home and our London Office / Shipley Office / Glasgow office: Our Hybrid model for this role will mean 1 day per Month in the office. Sala ...

Hybrid Security Engineering Lead | Cloud Native & DevSecOps

MCS Group is seeking an experienced Managing Security Engineer to lead a high-performing engineering team in Belfast. This hands-on leadership role requires expertise in security controls and modern programming languages like Java, JavaScript, or Python. The ideal candidate will foster an engineering c ...

Senior Backend Engineer: AI Secure Integrations

Harmonic Security, Inc is seeking a Backend Engineer in Greater London to design, build, and maintain scalable integrations, leveraging AI to enhance security systems. In this hands-on technical role, you will implement core logic, build APIs, and ensure smooth operation of data security platforms. The ...

Software Engineer SC Cleared

Software Engineer Location: Manchester, Gloucester or LondonJob Type: Permanent, Full-Time (Hybrid)Salary: £55,000 to £60,000Security Clearance: Active SC Clearance Required or Higher An exciting opportunity has arisen for a Software Engineer ...

Lead JavaScript/TypeScript Software Engineer

Lead JavaScript/TypeScript Software Engineer A fantastic opportunity for a Lead JavaScript/TypeScript Software Engineer to join an innovative technology company developing advanced software solutions within a highly technical engineering environment. This is a hands-on software engineering role focused on buildi ...

Senior Software Engineer – Event Driven Platform

3761 Barclays - BX - UK is looking for a Senior Software Engineer for their teams in Knutsford or Northampton. The role involves designing, developing, and improving software that enhances business and technology capabilities. The successful candidate will work with cross-functional teams to align platform ca ...

Senior Software Engineer (AVP) — Hybrid, Impact & Growth

Citi is looking for a Senior Software Engineer to join its global technology team in Belfast, Northern Ireland. This role involves solving complex engineering challenges with a talented team and participating in software solution development. You will need a solid background in software development and profic ...

Embedded & Software Engineer – Malvern, On‑Site Impact

QinetiQ is looking for an Embedded Software Engineer to join our team in Malvern. In this role, you will participate in creating cutting-edge solutions to protect against complex threats. With opportunities to work on innovative technology, you will be responsible for software development and engineering acti ...

SC Cleared Full Stack Engineer — Secure Tech, Hybrid

Searchability is looking for a Software Engineer to join their engineering team in Farnborough. The role involves developing secure technology solutions while collaborating across the software development lifecycle. You will work with modern frameworks and backend systems to deliver quality software. S ...

Defence Software Test Engineer – Automation & Embedded

Expleo Group is seeking a Software Test Engineer to advance projects in the Defence sector, focusing on Electrical and Embedded Systems. This role involves ensuring software alignment with industry standards, contributing to the software development lifecycle, and participating in both automated and manual te ...

Backend Engineer – Scalable Data & APIs

A leading software company based in Greater London is seeking a passionate Backend Software Engineer to architect, develop, and maintain high-performance backend systems. You will collaborate with cross-functional teams to create sophisticated data solutions, optimize code for speed, and build robust APIs. The i ...

Lead Software Engineer: AI Driven Delivery (Remote)

Scott Logic in Newcastle upon Tyne is seeking a Lead Agentic Software Engineer to work at the forefront of AI-augmented software delivery. You will lead a multidisciplinary team, tackling challenging software problems while building relationships with clients and advising on technology decisions. The role requir ...

Senior Full Stack Engineer Remote Friendly, Flexible Hours

Leidos is seeking a Senior Software Engineer to join their team in Farnborough with the flexibility to work from home. You will play a critical role in software development, delivering high-quality, production-ready code across both backend and frontend technologies. The ideal candidate will have over ...

Senior Lead Engineer (Python/Java) for Front Office

JPMorgan Chase & Co. is looking for a Lead Software Engineer to join the Quantitative Execution Strategies Tech team in Greater London. The role involves developing high-quality production code, collaborating with trading teams, and executing innovative software solutions. You will utilize technologies such a ...

Staff Platform Engineer, Payments & Internal Tools

Marks and Spencer is looking for a passionate Staff Software Engineer to join their Software Engineering team. The role involves building high-quality internal platforms and maintaining reliable software solutions. As part of a dynamic and inclusive community, you will mentor other engineers, drive automation ...

Senior Data Engineering Lead Cloud & Microservices

慨正橡扯 is seeking a Senior Software Development Engineer - Data Engineering to join their Win with Data team in Nottingham, UK. This role focuses on designing and developing software features aimed at improving credit card consumer experiences, utilizing languages such as Java and Python. The ideal candi ...

Experienced Java Programmers

Join to apply for the Experienced Java Programmers role at EDW Technology Limited . Get AI-powered advice on this job and more exclusive features. Software Developers Packages from £25k to £55k + benefits. Successful applicants will be keen to develop ...

🚀 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