297,219+ 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

Staff Software Engineer: Tech Lead & Architect (Hybrid UK)

A leading consulting firm is seeking a Staff Engineer to provide technical leadership and mentor team members while working on complex software projects. This hybrid role based in Paddington, UK, requires strong Java skills and experience in the retail domain. You'll shape technology strategies, tackle challengi ...

Senior JVM Live Debugger Engineer | AI Driven Production

A leading developer tools company is seeking a Senior Software Engineer in Greater London. This role focuses on enterprise JVM experience and exciting engineering challenges involving AI integration. Responsibilities include designing product features and developing tooling for AI-first workflows. The ideal cand ...

Software Engineer Real Time Microservices

FanDuel is looking for a Software Engineer in the City of Edinburgh, Scotland, to join our Acquisitions team. This role focuses on creating highly efficient systems to manage real-time data for marketing partners. The ideal candidate will have a strong background in Java backend engineering, be familia ...

Senior Mobile Cloud Backend Engineer

A leading streaming platform is looking for a Senior Software Engineer (Backend) in Manchester. The role involves designing scalable backend services, maintaining robust APIs, and working collaboratively across teams. Ideal candidates will have experience with Java, Python, Docker, Kubernetes, and a degree in co ...

Senior Fullstack Engineer – Compliance Automation

Java Script Works is seeking a Senior Software Engineer, Fullstack based in London, United Kingdom. This full-time position involves collaboration with talented engineers to design and develop product functionality using modern frameworks such as TypeScript, React, and Node.js. The ideal candidate will ...

Market Data Software Engineer – Hybrid & Big Data

hackajob is partnering with TradingHub to find a talented Software Engineer in London. In this role, you will design and maintain market data environments and work closely with Pricing Quants and Risk Strats. The ideal candidate has strong experience in C#, Python, or Java, with a background in financi ...

Full Stack Software Engineer — JS/Python in the Cloud

Java Script Works is looking for a Software Engineer to join their team in Manchester, United Kingdom. The role involves working with a flexible tech stack including JavaScript, Python, React, and AWS, and offers compensation ranging from £43K to £53K. The ideal candidate should have a passion for lear ...

Senior Java Lead for Equities Algo Trading

J.P. MORGAN is seeking a Lead Software Engineer for its Equities Trading Technology Organization in Greater London. This role involves developing algo trading strategies and real-time systems while collaborating with global teams. Candidates should have advanced Java skills, experience in low latency trading, an ...

Lead MLOps Engineer — Scalable AI for Banking

A leading global financial services firm in London is seeking a Lead Software Engineer to design, build, and deploy scalable AI/ML solutions. You will work collaboratively with data scientists and product managers while developing secure, intelligent banking solutions. Candidates should have experience in Java, ...

Trading Tools Engineer — Embedded Desk, Low‑Latency

A diversified trading firm is seeking a Software Engineer to collaborate with trading desks and enhance trading tools. The role involves ownership from prototype to production, while working with multiple languages, including Python, Java, and C++. Ideal candidates will have a minimum of 2 years of experience in ...

Senior Lead Java Engineer Equities Algo Trading

JPMorgan Chase & Co. is seeking a Lead Software Engineer for their Equities Algo Trading team in London. The role involves designing and developing algo trading strategies, enhancing real-time processing solutions, and working closely with quant teams and traders. The successful candidate will have adv ...

Software Engineer – Real Time Microservices for Marketing

Omaze is seeking a Software Engineer for its Acquisitions team in Edinburgh. You will work on micro-services to enhance marketing efficiency, focusing on real-time data systems. The ideal candidate will have strong backend engineering skills in Java and experience with ReactJS. The role offers professi ...

Java Engineer — High Performance FinTech Platform (London)

Hunter Bond is seeking a Java Software Engineer to join their innovative fintech company in London. The role involves hands-on development of a cutting-edge distributed trading platform with a focus on high-quality code and agile practices. With a strong engineering culture and commitment to modern tec ...

ML Projects Engineer: AI Driven Banking Systems

A leading digital bank in Greater London seeks a skilled software engineer to join their ML Projects team. In this role, you will design, implement, and maintain machine learning features, working closely with engineers and data scientists. The ideal candidate will have strong skills in Python, Java, and cloud t ...

Senior Backend Engineer – Time & Money (Hybrid, Equity)

Personio seeks a Senior Software Engineer in London to build backend systems for time tracking and payroll functionalities. The role includes designing services to ensure accurate data integration into Payroll and Money systems. Ideal candidates have backend engineering experience, strong programming skills in J ...

Senior Software Engineer (Associate) Full Stack React/AWS

Java Script Works is seeking a Senior Software Engineer (Associate) to work in London, United Kingdom. This full-time position offers competitive compensation and opportunities to work with modern technologies such as C#, .NET core, and React.js. Ideal candidates will possess strong technical abilities ...

Senior Java Microservices Engineer Real Time Data with Kafka

Insight International (UK) Ltd is seeking a highly skilled software engineer with over 8 years of experience to design and maintain scalable microservices. The role demands deep knowledge of Java, Spring Boot, and AWS, along with expertise in real-time data processing. The ideal candidate will possess ...

IoT Firmware Engineer — Edge Devices & Performance

A global tech company is looking for a Software Engineer in Cambridge to develop next-generation camera-centric devices. The ideal candidate should excel in embedded systems and possess programming skills in modern languages such as Java, C++, and C#. Responsibilities include managing backlogs, collaborating on ...

Full Stack AI Engineer: Build Production AI Apps

Harnham, located in Greater London, is seeking a talented software engineer to design and maintain AI-enabled applications. The role demands strong programming skills in languages like Java and Python, as well as hands-on DevOps expertise with CI/CD. Ideal candidates will have experience building produ ...

Test Automation Engineer

Daintta are a rapidly growing, values-driven team of specialists who work with government and private sector clients across Cyber Security, National Security, Law Enforcement and Telecommunications.  Daintta is seeking a hands-on Automation Engineer to design, develop, maintain and ...

Staff software engineer (F/M/D)

Staff software engineer (F/M/D) Posting Start Date: 4/2/26 At TE, you will unleash your potential working with people from diverse backgrounds and industries to create a safer, sustainable and more connected world. Job Description: **Job Overview** We are seeking a St ...

Senior Software Engineer I Account Communications

Team you’ll be working in Account Communications Role Overview We are looking for a Backend Engineer to join the Account Communications team. We own the platform that delivers millions of customer communications every day — emails, push notifications, in‑app messages, and more. ...

Senior Software Engineer (Back End)

Senior Software Engineer (Back-End) Position DescriptionAt CGI, our Software Engineers deliver impactful, secure, and scalable solutions that enable organisations to transform and thrive in a digital-first world. As we expand our engineering capability across Scotland and Northern Ireland, you'll play ...

Full Stack Engineer, Web & Emerging Modalities

Amazon is seeking a Software Development Engineer for Prime Video in Greater London. In this role, you will deliver innovative web experiences, mentor junior engineers, and collaborate with cross-functional teams to achieve significant business outcomes. The position is ideal for a confident full-stack engine ...

Junior Java Backend Engineer | Secure Govt Projects

IDEMIA Public Security is offering an excellent opportunity for a graduate or early-career developer in Wokingham. You will work on secure government projects, focusing on Java development, APIs, and microservices. Candidates must be eligible for SC Clearance due to the work's sensitive nature. The rol ...

SAP ABAP S/4 Hana Architect UK

Senior Technology Architect – SAP ABAP S/4HANA Location: London, UK Technology: SAP ABAP, Adobe development (both Classical, Fragment based), S/4 Hana Roles and Responsibilities In the role of Technology Architect/ Senior Technology Architect, you will in ...

VP, Engineering

VP, Engineering Department: Software Engineering Employment Type: Permanent - Full Time Location: Remote, UK Description We are seeking an experienced, inspirational Vice President of Engineering to lead our global engineering func ...

Backend Software Engineer Rust Low Latency Trading

Backend Software Engineer / Developer (Rust Low Latency HFT) London / WFH to £160k+Do you have expertise with backend, low latency software engineering?You could be progressing your career in a senior, hands-on Backend Software Engineer role at a hugely profitable High Frequency Trading f ...

Backend Software Engineer Rust Low Latency Trading

Backend Software Engineer / Developer (Rust Low Latency HFT) London / WFH to £160k+Do you have expertise with backend, low latency software engineering?You could be progressing your career in a senior, hands-on Backend Software Engineer role at a hugely profitable High Frequency Trading f ...

Hybrid Ultra Low Latency Trading Systems Engineer

A leading algorithmic trading firm in London seeks a skilled Software Engineer to join their world-class engineering team. In this hybrid role, you will design and optimize high-performance trading platforms, collaborating closely with top-tier engineers and quants. Ideal candidates have a degree in Computer Sci ...

Senior Business Analyst (API, YAML)

Senior Business Analyst (API, YAML) – Software Solution – Remote (UK or Europe)Day rate: £200 – £300 (inside IR35 for UK)Duration: 9 – 12 months Start: ASAPMy client is looking for a Senior Business Analyst to join our team and drive the successful delivery of API servi ...

Senior Boomi & API Integration Architect

Maximus is seeking a Senior Technical Authority for Integration Engineering in the UK. The role involves shaping technical directions and leading integration solutions using the Boomi platform. Candidates should have extensive experience in integration engineering, a strong understanding of API-led integratio ...

Telemetry Data & Cloud API Developer

Spirax-Sarco Engineering in Cheltenham is seeking a talented Software Developer to join their digital team within Steam Thermal Solutions. This role focuses on designing, developing, and maintaining secure, high-performance software solutions, particularly in cloud-based and data-driven applications. T ...

Senior Business Analyst (API, YAML)

Senior Business Analyst (API, YAML) – Software Solution – Remote (UK or Europe)Day rate: £200 – £300 (inside IR35 for UK)Duration: 9 – 12 months Start: ASAPMy client is looking for a Senior Business Analyst to join our team and drive the successful delivery of API servi ...

QA Automation Engineer Enterprise Tech

A global financial services provider in Greater London is seeking a QA Automation Engineer to enhance system reliability through automated testing. The ideal candidate will have a strong proficiency in tools such as JIRA and Playwright, with experience in API testing and CI/CD processes. This role involves colla ...

Associate Software Engineer AI Voice Tech (Hybrid)

A technology company in East Suffolk seeks an Associate Software Engineer to help build innovative call experiences and data insights for NHS customers. The role involves working in an agile team to tackle technical challenges, develop voice agents, and contribute to API integrations. Candidates should possess p ...

Hybrid Full Stack Engineer II – London

Ziff Davis, LLC is seeking a Software Engineer II to join their Engineering team in London. This hybrid role involves collaborating with a squad of over 25 engineers to deliver exceptional user experiences for 8 million monthly visitors. The position requires at least 4 years of backend development experience, p ...

Software Engineer Build World Class APIs (Hybrid)

Natural History Museum in Greater London seeks a Software Engineer to develop services that enhance visitor experiences both online and in-person. This role involves end-to-end decision-making, API development, and collaboration with product managers and stakeholders. The ideal candidate is motivated b ...

Senior Backend Engineer: Scalable Systems & Tools

APPLE is looking for a software engineer to join their documentation engineering team in Greater London. This role focuses on backend technologies, API design, and improving existing systems. Candidates should have experience with web applications, a passion for product development, and strong communication skil ...

NATO Secret Cleared Test Automation Engineer (Remote)

Wlgroup is seeking an experienced Test Automation Engineer to support NATO in developing NIRIS, a critical interoperability platform. This role focuses on validation, automation, and testing within an Agile environment. The ideal candidate should have extensive experience in software testing, including ...

Frontend Engineer: Real Time UI with Vue 3 & TypeScript

Motorola Solutions is seeking a Software Engineer to join the Avigilon Alta Video UI team, focusing on mission-critical infrastructure for their VMS. This role involves working with Vue 3, TypeScript, and Go, prioritizing engineering fundamentals, and maintaining high reliability. The ideal candidate w ...

Software Engineer II — Hybrid, Full Stack, London

Human Ventures, LLC. is seeking a Software Engineer II to join their Engineering team in a hybrid role based in London. The role involves developing new product experiences and improving existing functionalities, while collaborating closely with product and backend engineers. Candidates should have at least 4 ye ...

Senior Python/Django Engineer — End to End Platform Builder

uMed in Greater London is seeking a Senior Software Engineer to enhance their platform using Python and Django. This role involves ownership of developments, collaborating closely with Data Engineering for smooth integration. The ideal candidate has strong Python and Django skills, a solid understandin ...

Senior Ruby Backend Engineer Real Time Gaming Platform

A leading sports marketing company in Greater London is seeking a Senior Software Engineer to shape the technical foundation of high-growth products. In this role, you will design and implement scalable, secure backend systems for real-time gaming tournaments. Ideal candidates should have strong experience with ...

Senior Software Engineer, Risk Tech – Build VaR Platforms

A diversified trading firm is seeking a Senior Software Engineer to enhance their Unified Platform - Risk team. The role involves designing and maintaining API and service platforms, with responsibilities across the development lifecycle. Ideal candidates should be fluent in various programming languages and pos ...

Senior Software Engineer AI & Cloud Automation (London, Onsite)

Cititec is seeking a Senior Software Engineer for a contract position with a daily rate of £800, based in London with 3 days onsite. Join a global commodity trading organization focused on innovative AI-driven engineering solutions.In this role, you will work on automating engineering workflows, design ...

Senior Product Manager, API Standards

Senior Product Manager, API Standards Location:London, GB, E14 5HQ Brand: HSBC Area of Interest: Commercial Banking Closing Date: Hybrid Worker Date: 24 Jun 2026 **Job description** If you’re looking for a career that will help you stand out, joi ...

Junior C# Desktop Application Developer Graduates Considered

Job DescriptionJunior C# Desktop Application Developer - Graduates Considered A fantastic opportunity for a Junior Software Developer with strong C# knowledge to join an industry-leading software company based in Leicestershire. Offering ...

Junior C# Desktop Application Developer Graduates Considered

Job DescriptionJunior C# Desktop Application Developer - Graduates Considered A fantastic opportunity for a Junior Software Developer with strong C# knowledge to join an industry-leading software company based in Leicestershire. Offering ...

Junior C# Desktop Application Developer Graduates Considered

Junior C# Desktop Application Developer - Graduates Considered A fantastic opportunity for a Junior Software Developer with strong C# knowledge to join an industry-leading software company based in Leicestershire. Offering excellent training, career ...

🚀 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