358,290+ Java Software Engineer Cloudnative Api Security Jobs in UK — Top Companies Hiring July 2026

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SC Cleared Java Developer NPPV3

Hays are now looking for a Java Developer on a 12 month contract. The client requires all candidates to already hold SC Clearance and NPPV3.£428 Inside IR35Mainly Remote (once a month in Bridgend or Reading)Candidates must hold current NPPV3 & SC Clearance ...

Senior SDET – Java – AI/ML

Job Description You Will - Design Develop and Maintain test frameworks for automation. Define Automated Test Cases Provide suggestions to improve Automation and test processes Develop and maintain shares testing libraries Participate in team planning ...

Java Developer – FX Trading Technology

Job DescriptionContract Role: Java Developer – FX Trading Technology Contract Location: London. HybridContract Duration: 6 months initially (with potential extension)Contract Start Date: Immediate ...

Java Developer – FX Trading Technology

Job DescriptionContract Role: Java Developer – FX Trading Technology Contract Location: London. HybridContract Duration: 6 months initially (with potential extension)Contract Start Date: Immediate ...

Senior Java Architect Cloud Migration

Job DescriptionAnticipated Contract End Date/Length: November 30, 2026Work Set Up: Hybrid (3 Days per Week Onsite - Mandatory)Our client in the Information Technology and Services industry is looking for a Senior Java Architect - Cloud Migration to le ...

Technical Lead Active SC, Java

Technical LeadUp to £550 per day (Inside IR35)London / Remote3 months initially My client is an instantly recognisable consultancy who urgently requires a Technical Lead/Lead Developer, with Active Security Clearance (SC), and with proven team lead experience to join a business-critic ...

Java Developer – FX Trading Technology

Contract Role: Java Developer – FX Trading Technology Contract Location: London. HybridContract Duration: 6 months initially (with potential extension)Contract Start Date: ImmediateContract Cla ...

Java Solution Architect Insurance Sector

Lead and oversee the development of complex solutionsAI focused roleAbout Our ClientOur client is in the Insurance sector and is looking to grow their team with a Java Solution Architect. This is a hybrid role with 1-2 days a week in London.Job Description</ ...

SC Cleared Java Developer NPPV3

Hays are now looking for a Java Developer on a 12 month contract. The client requires all candidates to already hold SC Clearance and NPPV3.£428 Inside IR35Mainly Remote (once a month in Bridgend or Reading)Candidates must hold current NPPV3 & SC Clearance ...

Senior Software Engineer I – Search and AI Platform

This job is with Elsevier, an inclusive employer and a member of myGwork – the largest global platform for the LGBTQ+ business community. Please do not contact the recruiter directly. Senior Software Engineer I - Search and AI Platform</p ...

Senior Director, Global Head of Solution Development & AI Platforms

What success looks like in this role: POSITION SUMMARYUnisys is an AI-first company — and this role is at the heart of that transformation. The Senior Director, Global Head of Solution Development & AI Platforms is a deeply technical, hands-on engineering leader responsible for arc ...

Senior Director, Global Head of Solution Development & AI Platforms

What success looks like in this role: POSITION SUMMARYUnisys is an AI-first company — and this role is at the heart of that transformation. The Senior Director, Global Head of Solution Development & AI Platforms is a deeply technical, hands-on engineering leader responsible for arc ...

Senior Full Stack Java Developer — Remote & Cloud Transformation

Version 1 is seeking an experienced Senior Full Stack Java Developer to join our UK Digital & Cloud Practice. In this role, you will design, develop, and maintain software applications while providing technical leadership within the team. Potential candidates should hold SC Clearance and are expected t ...

Hybrid Java Developer | Spring Boot & REST APIs

NES Fircroft is looking for a Java Developer to join their team in Abingdon, UK. This permanent role offers a hybrid working arrangement, combining 3 days on-site and 2 days remote. The successful candidate will design, develop, and maintain both desktop and web applications, while implementing new features a ...

Remote Backend Java Developer (SC Cleared)

Experis - ManpowerGroup is seeking a Backend Java Developer with experience in Java and the Spring framework. This role allows for remote work with occasional office days in London, Croydon. Candidates must be experienced in software design patterns, development processes, containerisation using Docker or Kub ...

DevOps Engineer

Position: Senior DevOps EngineerDepartment: Platform EngineeringReporting to: Senior Technology ManagerLocation: London or AmsterdamHybrid role: 3 day ...

DevOps Engineer

Position: Senior DevOps EngineerDepartment: Platform EngineeringReporting to: Senior Technology ManagerLocation: London or AmsterdamHybrid role: 3 day ...

Technical Delivery Manager

Join us as a Technical Delivery Manager This is an exciting and challenging opportunity to work in a collaborative, agile and forward thinking team environment With your software development background, you’ll be delivering software components to enable the delivery of platforms, ap ...

Software Architect (SC Cleared)

At CGI, we deliver secure, mission‑critical solutions that help our clients operate with confidence in complex environments. As a Software Architect, you will act as the design authority for the Service Management platform, shaping the technical direction of the solution while ensuring its security, resili ...

Principal Observability & Performance Engineer

Principal Observability & Performance Engineer - £1000 Per Day – 6 Months – London (Hybrid) – Investment Banking Overview:A global investment banking organization are searching for an experienced Observability and Performance engineer to work within low latency/ high frequency environments on a m ...

Full Stack Polyglot Engineer

Job Description Full Stack Polyglot Engineer — London | Up to £300k package with benefits + sharesAn early-stage, well-funded startup is looking for a Senior Full Stack Polyglot Engineer to help build the next generation of AI-driven control software.If you wa ...

Full Stack Polyglot Engineer

Job Description Full Stack Polyglot Engineer — London | Up to £300k package with benefits + sharesAn early-stage, well-funded startup is looking for a Senior Full Stack Polyglot Engineer to help build the next generation of AI-driven control software.If you wa ...

Senior Developer

We have an exciting opportunity for a Senior Developer (Manager) to join our IT team, based in A&O Shearman's Belfast Office.A high number of candidates may make applications for this position, so make sure to send your CV and application through as soon as possible.Information Technology team- Belfa ...

Senior Developer

We have an exciting opportunity for a Senior Developer (Manager) to join our IT team, based in A&O Shearman's Belfast Office.A high number of candidates may make applications for this position, so make sure to send your CV and application through as soon as possible.Information Technology team- Belfa ...

Senior Developer

We have an exciting opportunity for a Senior Developer (Manager) to join our IT team, based in A&O Shearman's Belfast Office.A high number of candidates may make applications for this position, so make sure to send your CV and application through as soon as possible.Information Technology team- Belfa ...

Senior Real Time Software Engineer, SC Cleared, Undersea

A leading engineering service provider in Manchester is seeking a Senior Software Development & Deployment Engineer to design, integrate, and deploy high-performance real-time software applications. The ideal candidate will possess over 8 years of experience, proficiency in C++, and a solid understanding of dist ...

Software Engineer, Data Science — Build Next Gen Systems

Cirrus Selection Limited is hiring a Software Engineer - Data Science based in Gloucester. This role involves working on complex datasets, building scalable systems with embedded data science capabilities, and translating experimental ideas into solutions. The candidate should have strong software engi ...

Senior DevOps Solutions Engineer — Remote, Equity, FinServ

A leading software delivery firm in Edinburgh is seeking an experienced Senior DevOps Solutions Engineer. In this role, you will collaborate with customers and internal teams to design and implement scalable solutions, aiming to transform software delivery in the financial services sector. The ideal candidate ha ...

Implementation Specialist (API & Integrations) | Field Service SaaS | UK £60K

We're working with a fast-growing UK field service management SaaS business — single product, strong client base across housing, local government and FM contractors, and a reputation for hands‑on customer success that goes well beyond a standard software vendor relationship. They're looking for an ...

Director Staff Engineer (Low Latency)

Director, Staff Engineer (Low Latency) At a Glance Director-level technical leadership role in a high-growth prediction markets trading firm Core stack: Java, Aeron, Hydra, Kafka - exchange and clearing infrastructure at microsecond precision ...

Test Engineer Automation & QA for Financial Platforms

Swift is seeking a motivated software testing professional to join their Web Platform team in London. You will be involved in testing mission-critical financial software, focusing on quality across the software development lifecycle. This role requires proficiency in Selenium test automation and progra ...

Principal Observability & Performance Engineer

Salary: £? - ? per year Requirements: Hands‑on software engineering experience building observability or data‑pipeline applications, including metrics aggregation, distributed tracing, or real‑time streaming Proficiency in at least one systems‑level language such as C++, ...

Graduate DevSecOps Engineer

# Elwoodtechnologies is hiring a Web3 Graduate DevSecOps Engineer 11d agoGraduate DevSecOps Engineer Location: London Salary: £50,000 per annum About Elwood Elwood Technologies is a FCA regulated firm that provides end-to-end digital asset Execution Management, and Risk Management Softwar ...

Senior Java Backend Architect — Cloud & Microservices Lead

Gazelle Global is seeking a Senior Java Engineer for a 2-3 year project based in the London area. This role involves leading backend system design and development while influencing architecture and mentoring engineers to drive innovation. The ideal candidate will have over 10 years of experience buildi ...

.NET Developer in Manchester Noir Consulting

Tech Stack .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 Position Overview We are looking for a Developer with expertise in the following technologies: </p ...

Senior Software Engineer – Backend / Fullstack (d/f/m)

Senior Software Engineer – Backend / Fullstack (d/f/m) Product, Technology & Design Full Time Munich, Berlin or London About The Role We’re hiring multiple Senior Software Engineers across Personio. This is an opportunity for experienced engineers who want to wor ...

AI Powered Security Engineer for Secure CI/CD & Apps

Crossing Hurdles is seeking an experienced professional to architect and build AI-powered security systems. The role involves developing workflows for threat detection and integrating security controls into CI/CD pipelines. Candidates should have deep expertise in Application Security, as well as stron ...

Forward Deployed Engineer

Job Description: The Forward Deployed Engineer will provide technical expertise and support to customers during the implementation and use of Shield AI enterprise software products. This role involves working closely with customers to understand their requirements and ensuring successful product ...

Senior ML Engineer: Production AI for Defence and Security

Platform Recruitment is seeking a Senior AI/ML Engineer to enhance its Defence and National Security practice. The role involves designing and building production-grade systems while collaborating with software and data engineers on impactful projects. The ideal candidate holds a degree from a Russell ...

Product Engineer — End to End, AI‑Driven Impact

PortSwigger Web Security in Knutsford seeks a product-minded Software Engineer to drive web security innovations. You’ll design and build impactful features and enjoy autonomy from day one, contributing to a collaborative team culture. Ideal candidates will have experience in product-led environments, ...

Remote Lead DevSecOps Engineer — Secure CI/CD Champion

CBS Butler is seeking a Lead DevSecOps Engineer to oversee security and automation for a significant Defence digital transformation programme. This role offers the opportunity to influence DevSecOps standards and deliver secure software in a multi-cloud environment. The ideal candidate will have proven ...

Full Stack Engineer for Mission Critical Security Apps

A leading technology and engineering firm in Manchester is seeking a Software Engineer to develop mission-critical solutions for National Security clients. You will work on innovative technologies, ensuring security while writing clean, efficient code. Successful candidates will have skills in Python or UI frame ...

Lead DevOps Engineer Threat Intelligence (Remote)

APPLE is seeking a DevOps Software Engineer to enhance security across our products. This role involves designing cloud infrastructure, managing containerized deployments, and implementing CI/CD pipelines. You will work collaboratively with threat intelligence teams to develop secure, reliable, and sca ...

Customer Success Technical Architect

**Introduction**At IBM Global Sales, we bring together innovation, collaboration, and expertise to help clients solve their most complex business challenges. Working across industries and geographies, you’ll partner with colleagues, clients, and partners to co-create solutions that drive digital transformati ...

Golang with Devops Engineer

Extensive knowledge of writing secure scalable enterprise‑grade Go applications. Experience of REST APIs, containerisation technologies, micro‑services architecture. Experience with DevOps practices, including infrastructure automation, CI/CD, and deployment strategies. Prof ...

.NET Developer

Join Barclays as a .NET Developer, where you will design and deliver high-performance .NET 8 Web APIs within a modern, distributed environment. You’ll apply your expertise in ASP.NET Core, C# multithreading, and database technologies such as SQL Server or MongoDB to build scalable, resilient solutions. As ...

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