241,525+ Java Software Engineer Cloudnative Api Security Jobs in UK — Top Companies Hiring June 2026

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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 ...

Principal Systems Integration Engineer

Job Title: Principal Systems Integration EngineerLocation: Ashton Vale, County + Hybrid Working Arrangements Compensation: Competitive Salary + BenefitsRole Type: Full time / Permanent Role ID: SF Shape the future of integrated ...

Principal Systems Integration Engineer

Job Title: Principal Systems Integration EngineerLocation: Ashton Vale, County + Hybrid Working Arrangements Compensation: Competitive Salary + BenefitsRole Type: Full time / Permanent Role ID: SF Shape the future of integrated ...

Solutions Architect

Responsibilities Have expertise in solution architecture and at least one IT Architecture domain (Business, Application, Information, Technology, Security). Lead software / product evaluation and selection according to Software Requirement Process requirements. Use Enterprise Archite ...

Automation Test Engineer – Secure Gov & DevSecOps

Envitia Group is seeking an Automation Test Engineer to design and maintain secure software in classified environments. The role involves defining test strategies and collaborating with Agile teams to ensure high-quality software delivery. The ideal candidate should have a strong background in test aut ...

Applied AI Engineer Defense & Public Sector (DV Clearance)

IO Associates is looking for an AI Software Development Engineer based in Greater London to develop and deploy advanced large language model solutions for key public sector projects. The ideal candidate should have a strong foundation in software engineering, a focus on AI technologies, and must be a British ...

Avionics Test Systems Software Engineer 4 Days Onsite

Outsource UK is seeking a Software Engineer to join the Test Systems team in Rochester, England. The role involves supporting the development of application software for advanced avionic systems, including flight controls and mission computers. This position requires a strong understanding of systems i ...

Automation Test Engineer – Secure Gov & DevSecOps

Envitia Group is seeking an Automation Test Engineer to design and maintain secure software in classified environments. The role involves defining test strategies and collaborating with Agile teams to ensure high-quality software delivery. The ideal candidate should have a strong background in test aut ...

Open Source Container & Virtualization Engineer

A leading open source software provider in the United Kingdom seeks an exceptional software engineer focused on virtualisation and container technology. The ideal candidate should have experience in Go, Rust, C/C++, or Python, and possess strong analytical skills. This role offers the flexibility of remote work ...

Java Low Level/Low Latency Engineer in London McGregor Boyall Associates Limited

Java Low-Level/Low Latency Engineer London, United Kingdom Posted 9 months ago McGregor Boyall Associates Limited We are looking for a deep understanding of systems‑level programming, with proficiency in Java and/or Rust, C, or C++. Applicants should have experienc ...

Senior Python Developer

Senior Python Developer (PYTHON/REACT/AWS/AZURE) - is required by fast growing and highly successful technology consultancy. They are looking for a talented individual who will design, implement, and maintain their complex software, systems, and customer-facing digital products. Re ...

Full Stack Engineer (Java or C# / React or WPF) – VP

Full Stack Engineer (Java or C# /React or WPF) – VPEngineer 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. ...

Full Stack Engineer (Java or C# / React or WPF) – VP

Full Stack Engineer (Java or C# /React or WPF) – VPEngineer 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. ...

Software Engineer – Top Global Hedge Fund – up to £400k tc

Looking to join one of the most successful Global Hedge Funds at the forefront of re-architecting the core trading systems? You’ll be joining as a Software Developer helping the company cater to its diversification of assets. As the firm expands into new markets, this role will be crucial in developing ...

Automation Test Engineer

Senior Automation Test Engineer with strong commercial Selenium and Playwright exposure plus team leadership experience is sought by an innovation house based North Birmingham. With large scale investment in technical innovation this Senior Automation Test Engineer will be joining a dynamic, autonomous QA ...

Front Office Trading Engineer

Job Description As a Software Engineer in Asset Management Trading Technology, you will help transform trading from an art into a science. You will design, build, and evolve industry-leading platforms that manage orders and execute trades across diverse asset classes. Working closely with Traders ...

Hybrid Full Stack Engineer: Build Secure, Scalable Apps

Full Stack Software Engineer About CGI At CGI, we design and deliver secure, scalable digital solutions that help organisations transform how they operate and serve their customers. As a Full Stack Software Engineer, you will build high-quality applications across the full technolo ...

Full Stack Sofware Engineer

Full Stack Software Engineer About CGI At CGI, we design and deliver secure, scalable digital solutions that help organisations transform how they operate and serve their customers. As a Full Stack Software Engineer, you will build high-quality applications across the full technolo ...

Lead Credit Risk Architect: Next Gen Risk Systems

Deutsche Bank is seeking a software developer in London who is knowledgeable in Financial Services, particularly within Corporate and Investment Banking. The role involves providing guidance to teams, proposing solution designs, and ensuring optimal design for Credit Risk Systems. The ideal candidate h ...

Research Engineer

Job Role Research Engineer Department Research and Development Team Location Nottingham, UK Employment Type Full‑Time, Permanent SMT is a globally integrated leader in engineering services and software development. Since 2002, SMT has ...

DV Cleared Senior Infrastructure Engineer

Sivara GmbH is seeking a Senior Infrastructure Engineer for a 12-month contract based full time on-site in Salisbury. The role involves hands-on support of infrastructure technologies, working closely with the current Senior Infrastructure Engineer to manage user accounts and software installations.Can ...

Python Engineer

This is a free 16 week training course followed by the potential for a role with one of our clients. Title: Mid-Level Python Engineer Job location: London, UK Step into a role as a Mid-Level Python Engineer with the Counter Terrorist Police through the Mid-Level Accelerator programm ...

Principal DevSECOps Engineer

Job Description:The Leonardo Cyber Security Division is looking to recruit a Principal DevSecOp Engineer to join its UK based engineering team working within a highly secure environment; with responsibility for providing a bridge between software development, testing, infrastructure, operations ...

SDR FPGA Engineer

FPGA / SDR EngineerNational Security | Gloucester or Romsey | SC Cleared We are supporting a growing National Security technology programme seeking FPGA / SDR Engineers to deliver advanced RF, SIGINT, and Software Defined Radio capability into highly secure customer environments. This is a h ...

SDR FPGA Engineer

FPGA / SDR EngineerNational Security | Gloucester or Romsey | SC Cleared We are supporting a growing National Security technology programme seeking FPGA / SDR Engineers to deliver advanced RF, SIGINT, and Software Defined Radio capability into highly secure customer environments. This is a h ...

Senior Data Pipelines Engineer AI Driven SaaS Security

A leading SaaS security firm is seeking a Senior Engineer to enhance its core product by building and extending data pipelines for AI and supply chain risk solutions. The role requires 5-7 years of software engineering experience with proficiency in languages like Python or Go, and familiarity with containerizat ...

Senior AI Engineer Manager/Associate Director | Capital Markets

Description Senior AI Engineer Manager/Associate Director | Capital MarketsLocation: London Working pattern: HybridSalary: Compensation aligned to experience and seniorityRef: J13114Senior AI Engineering profession ...

Senior AI Engineer Manager/Associate Director | Capital Markets

Description Senior AI Engineer Manager/Associate Director | Capital MarketsLocation: London Working pattern: HybridSalary: Compensation aligned to experience and seniorityRef: J13114Senior AI Engineering profession ...

Full stack Engineer

As a Full-Stack Engineer working on Octopart.com, you will be responsible for the design and maintenance of the user-facing features and interfaces, including Part Searching and Exploration. You will also develop web services implementing the business logic powering these features. Pleas ...

Member of Technical Staff (Offensive Security Engineer)

Perplexity is seeking a highly skilled, experienced and hands-on Offensive Security Engineer to join our dynamic security team, taking an adversarial approach to hardening Perplexity's infrastructure, applications, and AI systems. You'll plan and execute red team operations, penetration tests, and attack ...

.NET Developer – Remote UK, Azure & Web API Focus

A leading tech recruitment company is seeking a Mid-Senior Level .NET Developer to join a renowned client in Salford. You will contribute to the development of high-availability .NET/C# applications for a new online music shopping platform. Ideal candidates should have expertise in .NET, ASP.NET Core, and Azure ...

Dynamics 365 Developer: AD B2C & Azure API Integrations

A local authority in Hounslow is seeking an experienced Dynamics 365 Developer for a temporary three-month contract offering a daily rate of £400 (outside IR35). Candidates must have strong skills in Active Directory B2C integration, integrating solutions with Dynamics 365 through APIs, and familiarity with c#, ...

Senior Edge SRE: Global API Gateway & CDN Reliability

On is seeking a Senior Site Reliability Engineer (SRE) - Edge in Greater London. In this role, you will own the architecture and performance of our global entry points, leveraging expert knowledge of HTTP/S, TCP, and DNS to optimize global throughput. Your responsibilities include ensuring high availab ...

PRD Scientist — API Process R&D & Tech Transfer

Veranova, located in Edinburgh, is seeking a PRD Scientist to lead research and development activities aimed at developing complex active pharmaceutical ingredients. This role requires a strong commitment to safety and compliance. The ideal candidate will have a degree in a relevant field, complemented ...

Senior Automation Tester Flutter, Agentic AI & API Systems

About Zippd Zippd is in an exciting phase of rapid growth. As we scale our operations and technology, we are expanding our engineering team to build the next generation of our platform. We are looking for a highly capable Senior Automation Tester to step in and take full ownership of our quality ...

Hybrid Solutions Architect: Enterprise API and Data Integration

Crew Clothing Company is seeking a Solution Architect to define and evolve the organisation's technology architecture across multiple retail brands. This role focuses on delivering integrated solutions, ensuring alignment with business priorities of stability and cost efficiency. The ideal candidate wi ...

Senior Python SDET for Payments – API & UI Automation

JPMorgan Chase is seeking a Software Engineer III in Glasgow to enhance the Payments Technology team. In this role, you will design and develop robust test automation frameworks essential for maintaining a high-performance payment system. Successful candidates will demonstrate practical experience in Python, exp ...

API Supply Chain Planner — 24 Month GMP Plan

Job Search Place Limited in Liverpool is seeking a skilled Supply Chain Planner to manage a 24-month supply plan for APIs. The candidate will focus on developing supplier relationships, monitoring inventory, and handling supply chain challenges. The ideal applicant holds a Bachelor's degree in Business ...

Senior SAP Integration Architect: Cloud API & MQ Migration

Vallum Associates is seeking an experienced SAP BTP Integration Suite Architect to design integration solutions that connect SAP and non-SAP systems. The ideal candidate will have over 8 years of expertise, specializing in SAP CPI and APIM, and lead the migration from IBM MQ to the SAP Integration Suite. ...

Remote Tech Partnerships Manager – SaaS/Fintech & API Ecosystems

Pleo is seeking a Technology Partner Manager to join their Technology Partnerships team. This role involves aligning technical integration capabilities with customer impact across various markets including the UK. The ideal candidate possesses a strong background in SaaS and Fintech, particularly with API integr ...

QA Automation| Selenium| Postman API |Mysql or MongoDB

Competitive compensation commensurate with role and skill setA fast-paced, growth-oriented environment with the associated rewardsAbout Our ClientThe hiring organisation is a small-sized enterprise operating in the insurance brokerage sector. They are known for their tec ...

Senior Automation Tester Flutter, Agentic AI & API Systems

About ZippdZippd is in an exciting phase of rapid growth. As we scale our operations and technology, we are expanding our engineering team to build the next generation of our platform. We are looking for a highly capable Senior Automation Tester to step in and take full ownership of ou ...

Remote Engineering Manager Scale a Leading API Platform

Olo is seeking an Engineering Manager to lead our Core Team, responsible for the Ordering API and Guest Engagement features. This fully remote position allows you to work from anywhere within Northern Ireland. The ideal candidate will have over 12 years of engineering experience, including 2 years in manageme ...

Remote Senior PHP Developer – Symfony & REST API Expert

A digital agency in London seeks a Senior Developer to create PHP-based projects for exciting brands. Responsibilities include managing development processes, collaborating with team members, and communicating technical concepts to clients. Candidates should have a minimum of 3 years in software development with ...

Remote First AI API Product Owner FinTech SaaS

Conficio Recruitment Limited is collaborating with a London-based FinTech company seeking a Product Owner. This role involves owning delivery streams end-to-end and collaborating closely with engineering and sales teams to develop valuable software solutions. The ideal candidate will have Agile experie ...

Lending API Product Owner: Shape Seamless Customer Journeys

NatWest Boxed is seeking a Product Owner to enhance the customer experience in our Banking-as-a-Service (BaaS) proposition. In this role, you will be pivotal in defining and prioritizing the product backlog while collaborating with cross-functional teams. The ideal candidate will have proven experience ...

Remote Software Developer Contract Build Scalable Apps

YO IT Consulting is looking for a Remote Software Developer to join their team. The role encompasses designing and maintaining scalable applications across various programming languages such as Python, Java, and more. The ideal candidate will have 3+ years of experience and strong problem-solving skills, thrivin ...

Senior Software Engineer Lead – Scalable Backend & Cloud

A technology company is seeking a Manager of Software Engineering in London, responsible for architecting scalable backend systems and leading complex projects. The ideal candidate has over 7 years of software engineering experience, with strong expertise in Golang or Java and AWS. This hands-on role requires te ...

Senior.Net Developer Assistant Vice President

The Applications Development Senior Programmer Analyst is an intermediate level position responsible for participation in the establishment and implementation of new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to contribute to app ...

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