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

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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 ...

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 ...

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 ...

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 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 ...

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 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. < ...

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 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 ...

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 ...

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 ...

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 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/ ...

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 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 ...

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 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 ...

Solution Architect / Presales / Sales Engineer (DevOps | DevSecOps | MLOps)

Location London Area, UK (Hybrid) About the Company We are a global leader in DevOps, DevSecOps, and MLOps solutions , trusted by thousands of customers worldwide , including most of the Fortune 100 . Our cutting‑edge platform helps enterprises ac ...

Public Cloud Senior Infrastructure Engineer

Public Cloud Senior Infrastructure Engineer Salary: £72,702 - £80,780 Locations: Leeds & Bristol Working Pattern: Hybrid (minimum 2 days per week in the office) Hours: Full-time About the opportunity At Lloyds Banking Group, we’re transforming the way we ...

App Sec Engineer (Application Security)

Application Security Engineer Manchester - Hybrid, 3 days a week in the office. Commutable from Stockport, Wigan, Bolton, Rochdale, Bury, Sale, Liverpool, Warrington, and Runcorn. Up to £75,000 + benefits We're partnered exclusively with a Fintech business in Manchester who've been building their own SaaS platfo ...

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 ...

Senior Python Backend Engineer – Fully Remote UK

A software consulting company is seeking a Senior Python Engineer to work fully remotely in the UK. You will be involved in building and maintaining backend services, contributing to a v1 to v2 product rewrite focusing on scalability and reliability. The ideal candidate will have strong experience in Python and ...

Senior Software Engineer I, Infrastructure London, England, United Kingdom London, England, Uni[...]

Location: London, England, United Kingdom Join Axon and be a Force for Good. Your Impact What You’ll Do Work Location: This role is based out of our London office and follows a hybrid schedule. We rely on in-person collaboration and ask that team member ...

.NET Developer

Overview .NET Developer - World Class Entertainment Company - Stoke-on-Trent (Tech stack: .NET Developer, .NET 9, ASP.NET, C#, React, Angular 19, Microservices, Vue.js, TypeScript, Azure, Web API 2, Agile, Azure SQL, Programmer, Full Stack Engineer, Architect, .NET Developer) <h ...

.NET Developer Welwyn Garden City

.NET Developer - Software House – Welwyn Garden City (Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Azure, Angular 21, Vue.js, TypeScript, Multithreading, RESTful, ASP.NET Core Web API, EF Core 10.0, Programmer, Full Stack Engineer, Architect, .NET Developer) Do you ...

Senior Specialist, Full Stack Engineer

Senior Specialist, Full-Stack Engineer We’re seeking a future team member for the role of Senior Specialist, Full-Stack Engineer to join our Trustee & Depositary (T&D) Engineering organization. This role is located in Manchester and plays a key part in driving our T&D Mode ...

Senior Software Developer

Senior Software Developer Glocomms City Of London, England, United Kingdom Role Overview We are seeking a highly experienced Senior Software Engineer to join a greenfield technology initiative focused on building a next-generation orchestration platform. This platform will under ...

Python Automation Engineer — Low Code, n8n & AI

A leading professional services firm in Central London is seeking a Low Code Software Engineer to innovate their automation journey. You will design intelligent workflows using Python and n8n, integrating core business systems and embedding AI agents via Microsoft Azure. Ideal candidates have 2–5 years of experi ...

Senior TypeScript/Node.js Backend Engineer — AWS & GraphQL

Houseful is seeking a passionate Software Engineer to join their team in London. The role involves developing critical backend services using TypeScript, Node.js, and Apollo GraphQL. Ideal candidates should have a strong background in modern API development, experience in distributed systems, and a solid underst ...

Ruby Backend Engineer Payments & Checkout APIs

The Commerce Payment integrations team is hiring a Software Engineer. This role is crucial in developing and maintaining payment integrations that allow merchants to process payments securely and efficiently. You will work with Ruby on Rails, troubleshoot production issues, and mentor junior engineers. <p ...

QA Engineer – Automation & Testing for Agile Delivery

Becrypt Ltd is looking for a Test Engineer to join our dynamic Agile teams in the Greater London area. The successful candidate will design and automate test cases, collaborate with developers, and ensure high-quality software delivery. Essential skills include substantial experience in testing, a stro ...

Senior GPU Compiler Architect & Optimizer

MediaTek Research Lab Inc. is looking for a Sr. Staff Engineer specializing in GPU compiler development. The role focuses on defining GPU compiler software architecture and implementing optimizations. You will collaborate with hardware and driver teams to enhance performance and develop new API features. ...

AI Native Automation QA Engineer – Hybrid (London)

United States Digital Space LLC, located in the UK, is hiring an AI-Native Automation QA Engineer. This hybrid position requires developing automation scripts and ensuring high-quality software through rigorous testing practices. The ideal candidate will have experience with automation frameworks like Playwri ...

Senior Solutions Architect – On‑Site London

Adecco is seeking a Solutions Architect in London to lead the development of innovative technology solutions. This role requires a hands-on technical leader with extensive knowledge in Solution Architecture, particularly focusing on E-commerce platforms. The successful candidate will engage in high-lev ...

Senior Software Developer

As a Senior Software Engineer (Backend), you will play a key role in designing and building scalable, cloud-based services using Java and Spring Boot. You’ll work closely with your manager, architecture team and teammates to deliver high-quality backend systems that power critical business functionality.< ...

Senior Software Developer

As a Senior Software Engineer (Backend), you will play a key role in designing and building scalable, cloud-based services using Java and Spring Boot. You’ll work closely with your manager, architecture team and teammates to deliver high-quality backend systems that power critical business functionality.< ...

Software Engineering Manager Transfers

Salary: £62,000 - 90,000 per year Requirements We require at least 2 years of experience leading software engineering teams in complex or regulated environments. We require a strong Java software engineering background with the ability to engage on architecture decisio ...

Software Engineers

Position Description: CGI was recognised in the Sunday Times Best Places to Work List and has been named one of the ‘World’s Best Employers’ by Forbes magazine. We offer a competitive salary, excellent pension, private healthcare, plus a share scheme (3.5% + 3.5% matching) which makes you ...

Senior Software Engineer Mission Critical Systems

CGI was recognised in the Sunday Times Best Places to Work List 2025 and has been named one of the ‘World’s Best Employers’ by Forbes magazine. We offer a competitive salary, excellent pension, private healthcare, plus a share scheme (3.5% + 3.5% matching) which makes you a CGI partner not just an employee ...

Software Engineers

CGI was recognised in the Sunday Times Best Places to Work List 2025 and has been named one of the ‘World’s Best Employers’ by Forbes magazine. We offer a competitive salary, excellent pension, private healthcare, plus a share scheme (3.5% + 3.5% matching) which makes you a CGI partner not just an employee ...

Software Engineers

Position Description: CGI was recognised in the Sunday Times Best Places to Work List and has been named one of the ‘World’s Best Employers’ by Forbes magazine. We offer a competitive salary, excellent pension, private healthcare, plus a share scheme (3.5% + 3.5% matching) which makes you ...

(UK)Principal Engineer Test

Job Title:  Principal Engineer, Test – AI Core Services Development Location:  Cambridge, UKCompany Overview</strong ...

Senior AI Enabled Software/DevOps Engineer

What You'll Be Doing Design, build, and operate AI‑enabled software and platform solutions Develop and maintain API‑driven services and integrations that allow systems to work effectively with AI capabilities Contribute to the evolution of existing applications towards moder ...

Senior AI Enabled Software/DevOps Engineer

What You'll Be Doing- Design, build, and operate AI‑enabled software and platform solutions- Develop and maintain API‑driven services and integrations that allow systems to work effectively with AI capabilities- Contribute to the evolution of existing applications towards modern, service‑ ...

Senior AI Enabled Software/Devops Engineer

What You'll Be Doing Design, build, and operate AI‑enabled software and platform solutions Develop and maintain API‑driven services and integrations that allow systems to work effectively with AI capabilities Contribute to the evolution of existing applications towards m ...

Platform Lead Developer – Cloud Native & Multi Tenant

Vodafone Group Plc is seeking a Platform Lead Developer based in the United Kingdom to design, build, and maintain cloud-native services for its Digital & IT platform. The role requires over 10 years of experience, proficiency in languages such as Java, Node.js, and React, and a knowledge of microservices and AP ...

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