340,979+ Java Software Engineer Cloudnative Api Security Jobs in UK — Top Companies Hiring June 2026

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Senior Automation Tester

Hybrid | Monthly Travel on Average to Manchester, Midlands or London We’re looking for a Senior Test Engineer with a strong automation focus to join a lean, high‑impact test team delivering digital products across web and enterprise SaaS platforms. This is a senior individual cont ...

Cloud Native Data Platform Engineer

NextWave Consulting is seeking a Data Technology Engineer in Greater London to design and build secure, multi-tenant data platform capabilities. The role involves working closely with security and risk stakeholders, managing APIs, data orchestration, and integrating services. Candidates should have strong experi ...

Software Engineer II Global Banking Platform JPMorganChase

Key Responsibilities Design, develop, and maintain high‑throughput microservices that support hundreds of millions of banking accounts. Implement cloud‑native solutions using AWS, Docker, and Kubernetes to ensure scalability and resilience. Collaborate with cross‑functio ...

Salesforce Developer / Salesforce Engineer

Join Barclays as a Salesforce Developer within Private Bank Wealth Management, supporting Project PRISM, a large‑scale 2026 front‑office productivity programme focused on integrating core systems, re‑engineering processes, and enabling higher‑value advisor activities. In this role, you will deliver ...

AR/VR Software Development Engineer, Vision Products Software

Summary Posted: 17 Dec 2025 Weekly Hours: 40 Role Number: Apple is where individual imaginations gather together, committing to the values that lead to great work. Every new product we build, service we create, or Apple Store experience we deliver is the result of us mak ...

Senior Cloud Control Plane Engineer — Kubernetes & Infra

A leading cloud data platform company in the United Kingdom is seeking a Software Engineer for the Cloud Control Plane team. You will design and implement distributed systems while working in a collaborative Agile environment. Candidates should have experience with programming languages such as Go, C++, Java, or ...

Loan IQ DevOps Engineer (C#.NET) — Automation & Containers

This job is posted by our partner Jooble. Engineer with a software development background, specifically in .NET/C#. Responsibilities Scripting & Programming (Bash, Python, Go, Java, or similar) for automation scripts Some knowledge of Containerization & Orchestration (D ...

Principal Backend Architect for Live Game Services

A leading gaming company in the UK is seeking a Principal Software Engineer for backend services. You will lead the architecture of major game titles, mentor the engineering team, and act as the key contact for external clients. Candidates must have experience in game development and architecting distributed app ...

Remote AI Native Backend Engineer — Experimentation & ML

Life360 is seeking a Senior Software Engineer II with a focus on AI-native practices to design and build high-quality infrastructure. You'll collaborate with AI tools and mentor team members in a remote-first environment, ensuring reliability and performance for millions of users. Your role will focus ...

Loan IQ Devops Engineer Nigel Frank

This job is posted by our partner Jooble. Engineer with a software development background, specifically in .NET/C#. Responsibilities Scripting & Programming (Bash, Python, Go, Java, or similar) for automation scripts Some knowledge of Containerization & Orchestration (D ...

AI Native Staff Engineer: Global Backend Lead

Life360 seeks a Staff Software Engineer AI-Native to design high-quality services for international members, focusing on AI integration. This role involves building backend solutions with modern technologies such as Java and AWS, ensuring the platform meets the needs of families worldwide. Candidates should have ...

Senior Backend Engineer — Order Management & Fulfillment

Marks & Spencer is seeking a Senior Software Engineer to enhance its Order Management platform. In this role, you’ll tackle complex fulfillment challenges, collaborate with product and engineering teams, and ensure a seamless customer experience. The ideal candidate has strong Java skills and backend e ...

Automation QA Engineer

Spectrum IT Recruitment provided pay range This range is provided by Spectrum IT Recruitment. 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 Spectrum IT Recruitment E ...

Senior Engineer (AI Governance)

About StackOne: StackOne is the AI Integration Gateway for SaaS products and AI Agents. Backed by GV and Workday Ventures ($24M raised), we help builders of SaaS platforms and AI Agents orchestrate hundreds of scalable, accurate, and enterprise-grade integrations. Our platform combines 25,0 ...

Principal AI Native Deployment Architect

JetBrains is seeking a Principal Forward Deployed Engineer based in Greater London. In this role, you will work with customers to deploy the JetBrains Central platform into enterprise environments, transitioning them to AI-native workflows. Ideal candidates will have a background in software projects, familiarit ...

Staff AI Driven Full Stack Engineer

Agoda is seeking a Staff Full Stack Engineer to design and build AI-driven chat experiences from their Bangkok HQ. The role requires 8+ years of software engineering experience, expertise in Java, Kotlin, .NET, and JavaScript/TypeScript. You will lead full-stack architecture for user-centric solutions and mentor ...

Software Developer (Mobile Apps) in Guildford ECM Selection (Holdings) Limited

Principal Software Engineer, Platform (Mobile, React Native) Location: 108 E 16th Street, New York, NY 10003 Required Skills Location services, online maps, compass functionality, and device tilt sensors. Experience with object-oriented design using C, C++, or Java. < ...

End to End Full Stack Engineer | Java & React | Hybrid AWS

A leading tech recruitment firm in Glasgow is looking for a Full Stack Software Engineer with expertise in Java and React. You will build robust back-end services and reusable UIs while collaborating with non-tech teams. The ideal candidate will have a strong OOP background and a curiosity about finance. This fu ...

Lead Software Engineer: High Impact Tech, UK Clearance

A UK Defence Technology Company in Cheltenham is seeking a Lead Engineer to design and maintain critical infrastructure. The role involves ownership of team deliverables and collaboration in the software development lifecycle. The ideal candidate will possess strong skills in backend Java and/or frontend develop ...

Backend Engineer III (Java/Spring) Scale APIs & AWS

RELX is seeking a Software Engineer III in Oxford to enhance its document transformation and semantic enrichment workflows. The role focuses on building reliable backend services using Java, Spring Boot, and AWS. Candidates should have robust experience in backend development, testing practices like TDD, and wor ...

Senior Backend Engineer — Scalable AI HealthTech Platform

An innovative AI HealthTech firm in Manchester is seeking a software engineer to design and build high-performance services. The role involves making architectural decisions, collaborating with teams, and leading technical efforts. Ideal candidates will have over 5 years of experience with Python or Java, expert ...

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 ...

Senior Software Engineer: AI Driven Hybrid Role

INSHUR is looking for a Senior Software Engineer III to work in a hybrid role in Brighton, helping to pioneer AI-augmented engineering. You will be responsible for delivering customer value through innovative product development while collaborating with teams using cutting-edge AI tools. The role requires profic ...

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 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 ...

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 Software Engineer Cloud Native & DevOps Builder

Pacific Asset Management, LLC is looking for a knowledgeable Senior Software Engineer to enhance their products and platforms. The role demands collaboration across teams, ensuring systems are robust, maintainable and impactful. The ideal candidate should possess proficiency in modern programming langu ...

Senior Tech Lead Backend Services & Cloud

A global financial services company is seeking a Lead Software Development Engineer in London to oversee technical design and implementation within a hybrid working model. You will drive project delivery, collaborate with cross-functional teams, and champion quality engineering practices. Exceptional programming ...

Senior Java Backend Engineer — Real Time Finance Platform

A global brokerage and financial technology company in Greater London is seeking a Senior Middle Office Backend Software Engineer. In this role, you will lead a team of engineers to enhance the performance of the GBX platform, ensuring system resiliency and scalability. Candidates should have over 8 years of Jav ...

Payments Systems Software Engineer Hybrid (Edinburgh)

A leading banking institution in Edinburgh is seeking a Software Engineer to support Instant Payments products and enhance their Faster Payments Gateway. The ideal candidate will have experience with Java, Spring Boot, and agile practices while enjoying a hybrid work pattern. This role provides opportunities for ...

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 ...

SC Cleared Site Reliability Engineer | Hybrid (Gloucester)

Searchability NS&D is looking for a Site Reliability Engineer to join their team in Gloucester. This permanent role offers a salary up to £65,000 depending on experience and supports a hybrid working model. The ideal candidate will have active SC Clearance and experience in similar roles, as well as st ...

Senior Java Backend Engineer – Low Latency FinTech (Remote)

Client Server is looking for a Backend Software Engineer / Developer in London with the option to work from home, offering a salary of up to £100k. You will design and develop trading systems, utilizing advanced Java and other technologies in a microservices environment. This role requires expertise in ...

Backend Java Engineer AWS | Fintech for Good | Hybrid

Client Server is looking for a Software Engineer / Developer in London, offering a salary up to £90k. You will work on innovative financial tech solutions that empower communities globally. In this role, you’ll have a solid background in Java and AWS, collaborating to enhance the payment platform with ...

Global SaaS Support Engineer (French Speaking)

LexisNexis Risk Solutions is seeking a Customer Support Engineer to join their global support team in London. The role involves providing technical support for integrated risk mitigation solutions and assisting customers with troubleshooting and software integrations. Ideal candidates will have proven ...

Senior Platform Engineer — AI/ML Systems

Java Script Works is seeking a Senior Platform Engineer based in Hook, United Kingdom. This full-time role requires proven experience in delivering software products and programming skills in TypeScript. Candidates should be willing to learn AI/ML frameworks such as TensorFlow and PyTorch. The company offers a c ...

Full Stack JS Engineer | Vue.js & MySQL Specialist

Java Script Works is looking for a full-time Software Engineer Full Stack Developer based in Glasgow, United Kingdom. The ideal candidate should have proficiency in MySQL and JavaScript, experience with front-end technologies like HTML, CSS, and Vue.js, and a solid understanding of Git. This is a competitive opp ...

Senior Software Engineering Lead Hybrid (Govt)

Scrumconnect Limited is seeking a Lead Software Engineer based in Swansea, UK. This role involves providing technical leadership while working closely with cross-functional teams. The position requires a strong background in Java, AWS, and Ruby on Rails among other technologies, all while promoting a flexible ...

Senior DevOps Engineer Linux, Python & Automation

Amazon UK Services Ltd. is seeking a Senior DevOps Engineer in Cambridge, United Kingdom. The candidate should have experience deploying and operating in Linux/Unix environments as well as programming skills in Python, Java, Bash, and Perl. Knowledge of engineering practices for the full software/hardware/networ ...

Lead Java Scala Developer / PM in London Quant Capital

This is a job posted by our partner Jooble Yes, it’s a start-up, yes it's bleeding edge. Language is irrelevant. I want bright technologists who can cut solid code. I offer relocation for strong candidates. Job Description Quant Capital is urgently looking for a Lead Java / Scala / R ...

Senior Distributed Systems Engineer Pricing at Scale

Expedia.com Ltd. is seeking a Distributed Systems Engineer to own mission-critical services end-to-end for high-throughput pricing systems. Responsibilities include analyzing complex problems, mentoring team members, and advocating for operational excellence. The ideal candidate will hold a Bachelor’s ...

Principal Backend Architect Scale Driven Game Systems

King is seeking a Principal Backend Software Engineer to lead the design of backend systems for Candy Crush Saga. You will collaborate with engineers and stakeholders to drive technical initiatives and oversee critical architectural decisions. The ideal candidate should possess extensive experience wit ...

Full Stack Engineer (Magnolia/ContentStack) – Hybrid

Phoenix Court Group seeks a Software Engineer (Magnolia/ContentStack FullStack) to join the 'Browse' team in London. This hybrid role focuses on enhancing the customer browsing experience for our e-commerce platform. Ideal candidates will have experience with CMS, Java, TypeScript, and NextJS, along wi ...

ML Software Engineer (Python/React) – Contract, London

Java Script Works is seeking a Machine Learning Software Engineer for a contract role based in London, United Kingdom. The candidate should have a Bachelor's degree in Computer Science or a related field and possess backend experience in Python, as well as frontend skills in JavaScript and React. This position i ...

Senior Algo Trading Engineer Low Latency & SOR (AVP)

Citibank (Switzerland) AG is seeking a Senior Software Engineer for Algo Trading in London. The role involves designing and delivering algorithmic trading and Smart Order Routing (SOR) platforms, requiring strong technical expertise in Low Latency Java, C++, or Rust. Collaboration with traders and quantitative r ...

Senior Cloud Native Full Stack Engineer (Azure, React/Java)

Charles River Development, based in Greater London, is seeking a full-stack, cloud-native engineer to enhance their Enhanced OTC Module. You will work with Java, C#, SQL, and modern JavaScript frameworks while mentoring junior engineers. A degree in a related field is required, along with 8-10 years of software ...

Senior Backend Architect: Build Scalable Data & API Platforms

A leading technology company in Greater London seeks a Backend Software Engineer to lead the architecture and development of high-performance backend services. The role involves designing efficient data structures, building robust APIs, and collaborating with cross-functional teams. Ideal candidates will have 6+ ...

Backend Engineer, Crypto Trading (Hybrid London)

A leading technology company in London is seeking a Software Engineer to design and maintain backend services for crypto trading. This role requires expertise in Go, Java, C++, C#, or Python, and offers a hybrid work environment. Ideal candidates will have problem-solving skills and a proactive mindset, along wi ...

Hybrid Automation QA Engineer – CI/CD & Test Automation

A global technology company in the UK is seeking a Quality Engineer specializing in Automation. The successful candidate will streamline testing processes and ensure reliable software delivery using advanced test automation tools like Selenium and Cypress. Applicants should have a Bachelor's Degree and strong pr ...

Senior Backend Architect, Fraud & Risk – Remote

Fanatics Betting & Gaming is searching for a Staff Backend Engineer to lead the backend architectural evolution in fraud detection. The role requires 7+ years in software engineering, primarily with Java and Spring Boot, emphasizing secure and scalable systems. Ideal candidates will collaborate with Risk and Com ...

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