303,051+ Java Software Engineer Cloudnative Api Security Jobs in UK — Top Companies Hiring June 2026

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Full Stack Engineer: TypeScript & Python for Respiratory Health

Java Script Works in Cambridge is looking for a Full-Stack Software Engineer to enhance respiratory healthcare through innovative web applications. You will work with technologies like TypeScript and Vue.js, contributing to cross-functional teams to deliver effective solutions. Proficiency in back-end ...

Lead Fullstack Engineer (Java/JS) for Cloud Native APIs

A leading bank in the UK is looking for a talented Lead Fullstack Software Engineer to join their hybrid work environment. This role will require you to lead engineering teams to design, build, and deploy scalable applications. The ideal candidate will possess strong experience in Java, with familiarity in front ...

Frontend Engineer: React/TypeScript, AWS & UI/UX

Java Script Works is looking for a Software Engineer in Exeter, United Kingdom. The ideal candidate will have strong skills in JavaScript, front-end development with HTML, CSS, and React, as well as UI/UX design principles. Experience with AWS is highly preferred, alongside knowledge of PyTorch and other deep-le ...

Lead Software Engineer, Fixed Income (UK) AI & Cloud

J.P. MORGAN seeks a Lead Software Engineer in Greater London to enhance and deliver technology products within the Commercial and Investment Bank - Post Trade Technology Group. You will be responsible for developing high-quality code and leading technical solutions across various business functions. Th ...

Senior Ads Auction Engineer — Real Time CTV Platform

Roku is seeking a software engineer for the Ads Auction and Marketplace systems to optimize yield and real-time outcomes. You will design and implement auction capabilities and integrate them with other teams while improving ad auction features. Your coding skills in Java and experience with distribute ...

Senior Backend Engineer AI Powered Search Platform

Elsevier is seeking a Senior Software Engineer I to build and enhance their Search and AI Platform. This role involves designing graph-based search services and integrating with various cloud services. The ideal candidate has over 4 years of experience with strong expertise in Java and AWS. You will co ...

Lead Quant Software Engineer – Equity Derivatives

Join J.P. MORGAN as a Lead Software Engineer in Greater London, where you will design secure technology solutions that support business objectives. Collaborate across agile teams to develop high-quality applications and drive improvements in production reliability. This role requires a Bachelor's degre ...

Lead Software Engineer – Options Algorithmic Trading

JPMorgan Chase & Co. is looking for a Lead Software Engineer to join their Options Algorithmic Trading team. You will design and optimize algorithmic trading engines, working collaboratively to create innovative solutions that enhance trading systems. The ideal candidate will have advanced Java skills, ...

Senior Graph & AI Platform Engineer Flexible Hours

RELX INC is seeking a Senior Software Engineer I for their Search and AI Platform. You will design scalable, data-driven applications that enhance research capabilities and deliver business value. The position requires expertise in Java, Spring Boot, and distributed systems, working with cloud-native architec ...

Staff Backend Engineer Banking Platform Leader

Starling is looking for a Backend Software Engineer to join its Engine platform team in Manchester. As a part of a hybrid work culture, you'll lead projects, ensure technical excellence, and collaborate with stakeholders. The role requires strong Java skills, a solid understanding of DevOps practices, ...

Senior Lead Java Engineer — Spring, Microservices & Secure Systems

JPMorganChase in Glasgow is seeking a Senior Lead Software Engineer to enhance and deliver technology products in Prime Finance Services. You will leverage your expertise in Java and lead diverse teams to create secure, scalable solutions. Collaboration, innovation, and a culture of inclusiveness are e ...

VP AI Solutions Architect – Cloud Native & LLM Delivery

A global financial services firm is seeking an AI Application Engineer to design, build, and deploy cloud-native AI applications. This role involves leading development efforts, collaborating with various teams, and ensuring rapid delivery of solutions leveraging AI/ML technologies. Ideal candidates will have ex ...

Software Tools Engineer – Cross Platform Dev Tools

A prominent technology company in London is seeking a Software Tools Engineer to develop high-performance applications that facilitate innovative audio and electronics experiences. Successful candidates will have a strong programming background, particularly in Java and Python, a Bachelor's in Computer Science, ...

Senior Lead Java Engineer for Equities Algo Trading

J.P. MORGAN is seeking a Lead Software Engineer for their Equities Trading Technology team in Greater London. You will design and develop algo trading strategies and enhance existing systems while collaborating with a global team. The ideal candidate has advanced Java skills, experience in real-time tr ...

Senior Data Platform Engineer – Ultra Scale Spark Pipelines

CrowdStrike Holdings, Inc. seeks a Senior Software Engineer to join their data engineering team located in Greater London. The successful candidate will design and operate systems for processing vast amounts of data, building a hyper-scale data lake while utilizing tools such as Java, Spark, and Kubernetes. < ...

Staff Software Engineer AWS Cloud & Microservices

Gravity Engineering Services Pvt Ltd. is looking for an experienced software engineer to architect and develop high-performance microservices that drive job matching solutions. The role involves using cloud-native technologies on AWS, including Kubernetes and CI/CD pipelines. The ideal candidate will h ...

Senior Software Engineer, Cloud AI for Financial Reporting

WeAreTechWomen is seeking an experienced engineer to join the Reporting team in Birmingham. This role focuses on developing a cloud-based reporting platform for financial regulatory obligations. Candidates should have significant software development experience, particularly in Java or Python, and experience ...

Senior Backend Engineer Order Management (Hybrid)

Marks and Spencer is seeking a Senior Software Engineer to enhance the Order Management platform, ensuring seamless customer experiences from checkout to delivery. The role involves designing, building, and supporting scalable systems, making impactful contributions alongside product teams and engineers. ...

Senior Backend Engineer — Payments & Fintech

United States Digital Space LLC is seeking a Senior Software Engineer to shape the future of technology and drive innovation across Europe. The role involves designing and maintaining core components of systems supporting payments and internal operations. The ideal candidate has over 5 years of experie ...

Senior AI First Backend Engineer

MRJ Recruitment is seeking a passionate Senior Software Engineer to join an AI-driven company in Manchester. You will work on innovative products transforming workforce technology and leverage AI for complex business challenges. The ideal candidate has strong backend engineering experience and knowledg ...

Staff Software Engineer – Full Stack (C/.NET, TS, Angular)

Java Script Works is looking for a Staff Software Engineer based in Edinburgh, United Kingdom. The role requires expertise in ECMAScript, TypeScript, HTML5, and CSS3, alongside knowledge of design principles like SOLID and TDD. The ideal candidate should also have experience with automated testing and a solid un ...

Senior Java Backend Engineer – Real Time, Low Latency, WFH

Client Server Ltd. is looking for a Backend Software Engineer / Developer in London, offering a salary up to £100k along with a competitive benefits package. You will work on complex, real-time trading systems within a supportive Agile team. The ideal candidate has strong Java backend experience, with ...

Real Time Data Engineer for LLM & Low Latency Systems

A data-driven technology firm in London is seeking a Software Engineer to develop and maintain data acquisition systems using social media inputs. The role requires strong programming skills, particularly in Java (Spring), and experience with Postgres, GCP, and Docker. Candidates should also be familiar with bui ...

Test Automation Engineer FinTech Trading Platform

Neptune North Limited in Newcastle upon Tyne is seeking a Test Automation Engineer to own technical projects and enhance testing processes. You will collaborate with Quants, Software engineers, and Infrastructure teams to deliver innovative solutions. The ideal candidate will have experience in program ...

Full‑Stack Java Engineer — AWS, CI/CD & UK Travel

Accenture UK is seeking a Software Engineer based in Glasgow. The role involves building digital products and collaborating with clients while maintaining high engineering standards. Candidates should possess several years of Java-focused full-stack experience and familiarity with AWS. This position of ...

Senior Backend Engineer II — Europe Growth & Hybrid Work

United States Digital Space LLC is looking for a Senior Software Engineer II to join their team in Greater London. The role focuses on designing and maintaining scalable tools using Java and Spring Boot while collaborating across teams to drive innovative solutions that enhance customer value. With a s ...

Java Backend Engineer (Mid/Senior) – Spring, REST, Kafka

Rockstar Games is seeking a passionate Software Engineer with a strong background in Java backend development for a full-time role in Dundee, Scotland. The position involves designing solutions for game development challenges and collaborating with teams across worldwide studios. The ideal candidate wi ...

Senior Software Engineer in Southampton Matchtech

Staff Software Engineer, Onchain (Applied Cryptography) Location: 108 E 16th Street, New York, NY 10003 Responsibilities Technical mentoring of junior engineers Sprint board management Required Skills Significant experience with embedded C/ ...

Staff Software Engineer – Embedded/Crypto, Mentoring & Leadership

Staff Software Engineer, Onchain (Applied Cryptography) Location: 108 E 16th Street, New York, NY 10003 Responsibilities Technical mentoring of junior engineers Sprint board management Required Skills Significant experience with embedded C/ ...

Senior Software Engineer EU/UK Onboarding & KYC (RSUs)

Wise is seeking a Senior Software Engineer to redefine the onboarding experience for UK and European customers. You will design and build backend systems, improve KYC flows, and collaborate closely with product teams. The ideal candidate will have expertise in Java or other JVM languages, a strong unde ...

Senior Backend Engineer II — Europe Growth & Hybrid Work

United States Digital Space LLC is looking for a Senior Software Engineer II to join their team in Greater London. The role focuses on designing and maintaining scalable tools using Java and Spring Boot while collaborating across teams to drive innovative solutions that enhance customer value. With a s ...

Senior Backend Engineer II — Europe Growth & Hybrid Work

United States Digital Space LLC is looking for a Senior Software Engineer II to join their team in Greater London. The role focuses on designing and maintaining scalable tools using Java and Spring Boot while collaborating across teams to drive innovative solutions that enhance customer value.With a st ...

VP AI Solutions Architect – Cloud Native & LLM Delivery

A global financial services firm is seeking an AI Application Engineer to design, build, and deploy cloud-native AI applications. This role involves leading development efforts, collaborating with various teams, and ensuring rapid delivery of solutions leveraging AI/ML technologies. Ideal candidates will have ex ...

Software Engineer C#.Net Sports Trading

Software Engineer / Developer (C# .Net) London onsite to £90kAre you an experienced C#, backend focussed Software Engineer?You could be progressing your career in a hands-on, backend focussed Software Engineer role at a global sports trading firm, earning substantial bonuses.Wha ...

Mobile Staff Engineer

Location: Fully remote, must be UK based Salary: up to £84,000 (depending on experience) Benefits: Share scheme, 6% matched pension and other Contract type: Full time, permanent Sanderson Recruitment are exclusively supporting a FTSE 100 Finan ...

.NET Developer

.NET Developer, C# 14 – Global Technology Brand – Chichester(Tech stack: .NET Developer, .NET 10.0, ASP.NET, C# 14, WPF, React, Angular 21, Microservices, Azure, ASP.NET Core Web API, Entity Framework, Agile, Programmer, Full Stack Engineer, Architect, .NET Developer)Our clients fasci ...

.NET Developer

.NET Developer, C# – Global Technology Brand – Wakefield(Tech stack: .NET Developer, .NET 10.0, ASP.NET, C# 14, WPF, React, Angular 21, Microservices, Azure, ASP.NET Core Web API, Entity Framework, Agile, Programmer, Full Stack Engineer, Architect, .NET Developer)Our clients fascinati ...

.NET Developer – Witney

.NET Developer, C# – Global Technology Brand – Witney, Oxfordshire(Tech stack: .NET Developer, .NET 9, ASP.NET, C#, WPF, React, Angular 19, Microservices, Azure, Web API 2, Entity Framework, Agile, Programmer, Full Stack Engineer, Architect, .NET Developer)Our clients fascinating stor ...

App Sec Engineer

Salary: £75,000 - 75,000 per year Requirements We have strong experience in application security, ideally within a SaaS or Fintech environment. We have hands‑on experience with SAST, DAST, and SCA tooling such as Snyk, Checkmarx, Semgrep, Burp Suite, or similar. < ...

App Sec Engineer

Salary: £75,000 - 75,000 per year Requirements We have strong experience in application security, ideally within a SaaS or Fintech environment. We have hands‑on experience with SAST, DAST, and SCA tooling such as Snyk, Checkmarx, Semgrep, Burp Suite, or similar. < ...

Senior Integrations Engineer

Senior Integrations EngineerFull Time/PermanentHybrid - occasional travel to our Bristol officeThe Senior Integrations Engineer role is to provide technical leadership across data integrations and API integrations, designing and delivering robust, secure and s ...

Senior Application Security Engineer (Remote United Kingdom)

JOB DESCRIPTION SummaryYelp engineering culture is driven by our : we’re a cooperative team that values individual authenticity and encourages creative solutions to problems. All new engineers deploy working code their first week, and we strive to broaden individual impact with support fr ...

API Platform Architect (.Net, APIM, Azure, Kubernetes)

API Platform Architect – Insight International (UK) Ltd We are seeking an experienced and highly technical API Platform Architect to lead the architecture, engineering, and continuous evolution of our enterprise API Platform. This role is fully hands‑on ...

Senior Java Engineer (Equinox) – Equity Derivatives Tech – VP

**Senior Java Engineer (Equinox) – Equity Derivatives Tech – VP** Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can ...

Full Stack Engineer (Python and/or Java) – VP

Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From deploying advanced AI to helping shape global markets, we build ...

Senior Angular & Java Full Stack Engineer (Remote UK)

Leute Passen Technologies is seeking a Senior Full Stack Developer (Angular + Java) for a remote role based in the UK. You will build responsive frontends with Angular, develop backend services and APIs using Java and Spring Boot, and mentor junior developers. The position requires over 5 years of development ex ...

Senior Trading Platform Engineer — Low Latency Java & AI

Bullish, Inc. is looking for an experienced Java Developer to join their Trading Product Engineering team. In this role, you will design and implement efficient Java code that supports the core functionalities of the Bullish Exchange. Your expertise in performance tuning, middleware technologies, and C ...

Remote Junior Java Engineer — Debug & Improve Live Systems

A growing tech company is seeking a Junior Java Engineer to join their product engineering team. This role offers a fantastic opportunity to engage with high-scale systems and work closely with experienced engineers. Candidates should have at least 2 years of Java experience and strong debugging skills. The posi ...

Senior Java Engineer — Travel Tech, Fully Remote Europe

A fast-growing travel-tech organisation is looking for a Senior Java Developer to join their team. This fully remote position will involve leading the evolution of a large-scale Java, Spring Boot, and MySQL system. Candidates should have expertise in building commercial applications and understanding of backend ...

Senior Full Stack Engineer (Java/React) Remote UK

A growing SaaS company is seeking a Senior Full Stack Engineer to contribute to building and scaling their product platform. The role involves working on Java backend services and React frontends, delivering features, and collaborating with cross-functional teams. Ideal candidates should possess strong Java back ...

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