357,449+ Java Software Engineer Cloudnative Api Security Jobs in UK — Top Companies Hiring June 2026

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Principal Java Architect: AWS, Microservices & Scale

Principal Java Engineer (AWS / Microservices)Salary: Up to £100,000 + Bonus + BenefitsLocation: Coventry or Central London - Hybrid (2 days per week onsite)Working Hours: 40 hours ...

Software Engineer (.NET C#)

We’re looking for a Software Engineer to join our global team responsible for the quality, development, and execution of our software products. We’ll be part of a technology department built across Barcelona, New York, London, Manchester, Bucharest, and India. If you’re ready to join a grow ...

Test Automation Specialist

About the Role The Test Automation Engineer will be responsible for designing, developing, and maintaining robust automated test solutions to ensure the quality, performance, and reliability of complex banking applications. The role supports Barclays’ digital transformation by embedding quality e ...

Staff Platform Engineer Cloud Native Microservices Leader

A leading analytics solutions provider in the United Kingdom seeks an experienced Staff Software Engineer to design and build core platform services that enable advanced analytics for industrial processes. You will collaborate with cross-functional teams to enhance platform scalability and reliability, introduce ...

Senior Payments SDK & Backend Engineer

Parking Network BV is looking for a skilled Software Engineer to join their Payments Processing group, focusing on secure and efficient payment solutions. The ideal candidate will have strong experience with C# or Java and a solid understanding of the Software Development Life Cycle. Responsibilities i ...

Senior Software Engineer, Yield Management (Remote)

Cint is looking for a Sr. Software Engineer to join their Yield Management Team. This is a full-time position where you will collaborate with a results-focused team to deliver high-quality code for products used by millions. Candidates should have 5+ years of backend software development experience, strong probl ...

Product Engineer

WireMock is the industry standard for API environment simulation. With a massive global open-source footprint and deep adoption across the Fortune 500, we provide the critical infrastructure that engineering teams use to de-couple development from fragile dependencies. As AI agents and LLM-integrate ...

Software Engineering AWS Cloud Full Stack Engineer eSC or eDV Clearance required Professional[...]

At IBM Consulting UK FutureNow, you’ll build a career at the forefront of hybrid cloud and AI, working with leading clients across the public and private sectors. You’ll collaborate with top industry professionals, gain hands on experience with cutting edge technologies, and deliver solutions that c ...

Neurosymbolic AI Platform Engineer to Scale Public APIs

UnlikelyAI, based in London, seeks a Senior Software Engineer to join their team focused on building a unique neurosymbolic AI platform. In this role, you'll design and build the infrastructure for a new public API, develop symbolic reasoning engines, and scale document ingestion pipelines. The ideal candidate h ...

Senior Software Engineer Transit Tech & Scalable Systems

A global leader in public transit solutions is looking for a Senior Software Engineer in Manchester to drive innovation in public transportation technology. The successful candidate will have at least 5 years of experience in software development, specializing in C++ and Java, along with cloud platform expertise ...

Hybrid Java Backend Engineer Microservices & Spring Boot

Net2Source (N2S) is seeking a Software Engineer to build world-class software in Burgess Hill, UK. The role requires expertise in Java, Microservices, Spring Boot, and various database technologies. An essential part of the position includes debugging, automating deployments, and scaling applications according t ...

Market Data Software Engineer Analytics & Data

TradingHub in Greater London is seeking a Software Engineer focused on developing and supporting market data environments. The successful candidate will work alongside pricing quants and risk strategists, contributing to data analytics integral to TradingHub's products. Ideal applicants should have exp ...

Software Engineer – SC/DV Clearance, Hybrid

Gemba Advantage is looking for a Software Engineer in London. This hybrid role offers £40,000 - £70,000 annually. As a part of an agile delivery team, you will work on high-impact systems for public sector organizations. The ideal candidate will have a solid foundation in software engineering principles with exp ...

Lead Software Engineer, Margin Tech Global FinTech Hybrid

Citibank (Switzerland) AG in Greater London seeks a Lead Software Engineer to shape the future of finance technology. The ideal candidate will work within a dynamic team, develop robust software solutions, and contribute to the automation of processes. You should possess hands-on experience in Java, Python, and ...

Staff Platform Engineer: Billing & Microservices Architect

A fintech solutions company is looking for a Staff Software Engineer in Belfast to design and optimize billing services for their platform. The ideal candidate will have over 8 years of software development experience, specifically in Java or Python, alongside expertise in cloud platforms and CI/CD practices. Th ...

Senior Software Engineer: Scalable Backend for Mobility

Metropolis in Stockport is seeking a Senior Software Engineer to join its AeroParker team. This role entails designing and building backend services, mentoring engineers, and driving product direction while leveraging technologies like Scala and Java. The ideal candidate will have 7+ years of experienc ...

Senior Java & AWS Backend Engineer for Health Research

United Cerebral Palsy of Georgia is seeking a senior software engineer to use Java and AWS to build secure, scalable cloud-based services for medical researchers in London. This hybrid role offers a strong salary based on experience, an options scheme, and a mission-driven team dedicated to advancing medical ...

AVP, Java Engineer – Credit Risk Analytics (Hybrid)

Citi is looking for a skilled Software Engineer to join the Wholesale Credit Risk Analytics team in Belfast. In this role, you will work on critical risk management systems, creating solutions to support the bank’s stress testing functions globally. The ideal candidate should have strong Java and AI to ...

Senior/Principal Software Engineer Secure Cloud (SC/DV)

Gemba Advantage is seeking a Senior/Principal Software Engineer to design and deliver secure, scalable software solutions while working in small agile teams. The role requires active SC or DV clearance and entails championing modern engineering practices, shaping architectural direction, and influencing technica ...

VP Software Engineer, AI Driven Cloud Trading Platform

Goldman Sachs Group, Inc. is seeking a Vice President Software Engineer based in London to join its Global Banking & Markets division. This role involves designing and implementing a cloud-native platform for Equities Trading, driving strategic transformation through AI tools, and developing high-availability se ...

Software Engineer — Hybrid, SC Cleared, Edge & ML DevOps

CBS Butler is seeking a Software Engineer based in Greater London with a hybrid work model of 2 days onsite. You will help deliver cutting-edge software solutions, working on challenges with modern technologies such as machine learning and DevOps automation. The successful candidate will have a degree ...

AVP Software Test Engineer – Hybrid Belfast

Citibank (Switzerland) AG in Belfast is looking for a Software Test Engineer (AVP) to join their Global Fixed Income Trade Processing Team. The ideal candidate will have strong experience in automation testing (Selenium/Cypress), Java programming, and the ability to deliver testing strategies to ensure software ...

Lead Java Engineer: Low Latency Risk Screening

LSEG is looking for a Lead Software Engineer to join the World Check One team in Nottingham. The successful candidate will lead the design and development of low-latency screening systems while collaborating with product and architecture teams. The role includes providing technical leadership, ensuring ...

Senior FX Low Latency C++/Java Engineer

The London Stock Exchange is seeking a Senior Software Engineer in Greater London responsible for designing, building, and operating mission-critical FX market infrastructure using C++ and Java. This hands-on role requires 10+ years of software engineering experience with a strong emphasis on low-latency and ...

SDET: Cloud‑Native Test Automation Engineer

Join Kainos as a Test Automation Engineer (SDET) and help shape the future of software testing. You will play a crucial role in delivering high-quality software solutions and work with modern testing tools and cloud technologies. With at least 2 years of experience, you'll collaborate closely with team ...

Product Minded AI Software Engineer

INSHUR is seeking a Product-Minded Software Engineer III to enhance product delivery using AI tools. This hybrid role involves collaborating with a product team to develop and implement software solutions. Key responsibilities include using agentic coding tools to improve product iterations and writing code in G ...

Senior SDE: CloudFront Control Plane & Global Scaling

Amazon is seeking a Senior Software Development Engineer in Greater London, UK. In this role, you will lead the development of key initiatives and work with cross-disciplinary teams to design and deliver innovative products and services. Ideal candidates have experience in building complex software systems and p ...

Ultra Low Latency Trading Engineer

Hunter Bond, a scientific quant fund, is seeking a highly skilled Software Engineer to join their exceptional engineering team in London (Hybrid). The role involves designing and optimizing high-performance trading platforms used in live markets, requiring strong experience in multiple programming languages i ...

Senior Solutions Engineer Post Sales (Remote)

Qualcomm is seeking a Software Application Engineer based in the UK to provide technical expertise and support for the Edge Impulse platform. This remote role involves collaborating with customers and stakeholders to develop solutions and communicate technical features effectively. The ideal candidate ...

Backend Engineer for AI Startup — Ownership & Impact

An innovative AI startup in Greater London is seeking a Software Engineer to join its high-caliber team. In this role, you will work on backend systems integrating with LLMs, having direct conversations with customers and shaping products that make a real impact. Ideal candidates should have strong experience in ...

Staff Platform Services Engineer – Distributed Systems

Linuxconfig is seeking a Staff Software Engineer for Platform Services in Edinburgh, UK. This role involves developing resilient distributed services and improving engineering processes. We're looking for candidates with extensive backend software engineering experience and proficiency in server-side OO langu ...

VP Lead Software Engineer – AI for Global XVA Risk

Citigroup Inc. is looking for a Lead Software Engineer at the Vice President level in London to work on AI-driven innovation. This role requires extensive software engineering experience including Python or Java, with responsibilities in building scalable systems and integrating AI solutions. Successfu ...

Staff Software Engineer – Payments Platform (London)

Barclays is looking for a Staff Software Engineer based in London to enhance our Payments Acquiring business. You'll lead software improvements and guide engineering standards within a fintech culture, working collaboratively with product managers and designers. The role demands expertise in backend en ...

Senior Test Engineer (eDV)

Senior Test Engineer - Cheltenham We are looking for multiple Senior Test Engineer, you will join one of our small, fast-paced, agile delivery teams. Working on one of our inflight projects, you will play a key role to ensure continuous automated testing is implemented, early and often, as ...

Senior Frontend Engineer (Typescript)

The Role We're looking for an experienced Senior Software Engineer (Frontend) to lead the development of Engine Designer — the interface through which our customers harness the Uncertainty Engine to tackle some of society's hardest problems. In this role, you'll use React and TypeScript t ...

Senior Frontend Engineer (Typescript)

The Role We're looking for an experienced Senior Software Engineer (Frontend) to lead the development of Engine Designer — the interface through which our customers harness the Uncertainty Engine to tackle some of society's hardest problems. In this role, you'll use React and TypeScript t ...

SAP Integration Architect

Position: SAP Integration Architect. Employment Type: Contract. Start: ASAP (June/July 2026). Duration: 6 months. Location: London, UK (Hybrid – 3 days per week office). Language(s): English. We are seeking an experienced SAP Integration Architect ...

Quality Automation Engineer Silicon Engineering

Quality Automation Engineer- Silicon Engineering Join Apple's Silicon Engineering Group and help build the foundational software that empowers our engineers to design the world's most advanced silicon. We are looking for a Quality Automation Engineer to drive the quality and reliability of the critic ...

WebMethods Architect Upgrade Expert London, United Kingdom

Overview WebMethods Architect - Upgrade Expert London, United Kingdom Description: We are seeking a WebMethods Architect with extensive experience in WebMethods upgrades, migration, and architecture design. The ideal candidate will have deep expertise in WebMethods Integration Suite, API Ga ...

Senior Full Stack AI Engineer

HelloKindred are specialists in staffing marketing, creative and technology roles, offering a range of talent solutions that can be delivered on-site, remotely or hybrid. Our vision is to make work accessible and people’s lives better. We do this by disrupting traditional employment barriers –conne ...

Hybrid Software Engineering Intern – Cloud Security Impact

Skyhigh Security in Aylesbury offers an exciting one-year paid internship in their Data Protection team. You will gain hands-on experience in developing software designed to secure business data against breaches. The ideal candidate is pursuing a Bachelor’s or Master’s degree in Computer Science, has s ...

Software Engineering Coach: Flexible (TDD, Security + More)

Important Note If you have expertise in technologies that we currently have enough coaches for, we may ask you for permission to keep your details and reach out when we are more confident of demand in those areas. Role Summary We're looking for experienced lead engineers or equi ...

Lead Software Developer DevX & Tooling (Security Cleared)

Manchester Digital is seeking a Lead Developer to join the Developer Experience team. This role involves leading software developers and focusing on improving engineering practices using Python or Java. The successful candidate will be responsible for technical leadership, mentoring junior developers, ...

Embedded Software Security Architect for CRA Readiness

NXP Semiconductors in Glasgow is seeking a Software Security Architect to drive Cyber Resilience Act compliance across its product portfolio. This role requires both strategic leadership and hands-on technical capabilities in security architecture and threat analysis. The ideal candidate will have a st ...

Software Engineering Coach: Flexible (TDD, Security + More)

Important NoteIf you have expertise in technologies that we currently have enough coaches for, we may ask you for permission to keep your details and reach out when we are more confident of demand in those areas.Role SummaryWe’re looking for ex ...

Software Engineering Coach: Flexible (TDD, Security + More)

Important NoteIf you have expertise in technologies that we currently have enough coaches for, we may ask you for permission to keep your details and reach out when we are more confident of demand in those areas.Role SummaryWe’re looking for ex ...

Software Engineering Coach: Flexible (TDD, Security + More)

Important NoteIf you have expertise in technologies that we currently have enough coaches for, we may ask you for permission to keep your details and reach out when we are more confident of demand in those areas.Role SummaryWe’re looking for ex ...

Software Engineering Coach: Flexible (TDD, Security + More)

Important NoteIf you have expertise in technologies that we currently have enough coaches for, we may ask you for permission to keep your details and reach out when we are more confident of demand in those areas.Role SummaryWe’re looking for ex ...

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