415,498+ Java Software Engineer Cloudnative Api Security Jobs in UK — Top Companies Hiring June 2026

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SaaS API Integrations Engineer

This is a job posted by our partner Jooble Below is a snippet of the job description. To read the full text, please click on the Apply Now link. Overview Requirements Ideally within a SaaS or cloud-based environment Experience designing and building API-drive ...

Backend / API Engineer, Payouts

Note: if you are an intern, new grad, or staff applicant, please do not apply using this link and visit our for those specific postings. ## Who we areAbout StripeStripe is a financial infrastructure platform for businesses. Millions of companies - from the world’s largest enterpri ...

AI Interfaces & API Engineer

Anthropic is looking for a skilled software engineer to join the Claude.AI product team. This role involves building innovative APIs and interfaces that facilitate interactions with advanced AI models. Collaborate with a talented team to redefine human-machine collaboration and work on cutting-edge AI product ...

Backend / API Engineer, Payouts

Note: if you are an intern, new grad, or staff applicant, please do not apply using this link and visit our for those specific postings. ## Who we areAbout StripeStripe is a financial infrastructure platform for businesses. Millions of companies - from the world’s largest enterpri ...

Software Engineer in Test

Head of Software Development Talent Solutions - djr - Building the best Engineering and Business Intelligence teams across the UK and the USA. Software Engineer in Test – £70,000 + 10% Bonus Hybrid – 2 days per week on-site in Manchester Permanent About the Role </h ...

Principal Java Engineer

Principal Java Software Engineer Edinburgh Hybrid/ UK Remote Up to £95,000 I am looking for a Senior /Principal Java Software Engineer to join a leading international network security software company. This is a fantastic opportunity to work with cutting‑edge technology and make a ...

Devops Engineer AWS

Direct message the job poster from GIOS Technology Senior Recruitment Consultant @ GIOS TECHNOLOGY | Experienced Recruiter, Talent Sourcer, Headhunter We are hiring for Devops Engineer - AWS for our client's project based at Glasgow, UK – 2-3 days per week Onsite ...

Staff Software Engineer Platform

At Seeq, we develop advanced analytics solutions for industrial process data, enabling companies in pharmaceuticals, energy, and manufacturing to derive actionable insights. Our innovative platform integrates cutting‑edge technologies and data‑processing capabilities, connecting to complex data sources and ...

Java Developer

Opportunity for talented Full Stack Software Engineer to join a collaborative engineering team. This role will focus on the design, architecture, and implementation of software components as well as the overall solution, utilizing concepts and best engineering practices of microservices architecture. As a Ful ...

Senior Software Engineer

We have partnered with our client in their search for a Senior Software Engineer to help redesign and deliver a market-leading front-to-back OTC derivatives solution.Responsibilities Lead and manage development team, including work assignments and professional developmentServe as Scrum ...

Senior Software Engineer

We have partnered with our client in their search for a Senior Software Engineer to help redesign and deliver a market-leading front-to-back OTC derivatives solution. Responsibilities Lead and manage development team, including work assignments and professional development <li ...

Senior Software Engineer

We have partnered with our client in their search for a Senior Software Engineer to help redesign and deliver a market-leading front-to-back OTC derivatives solution.Responsibilities Lead and manage development team, including work assignments and professional developmentServe as Scrum ...

Backend Engineer

Working for an industry leading, high-growth SaaS business with some of the biggest brand names in the world as customers, the Backend Engineer will build innovative next‑gen solutions that are at the forefront of the data industry. In this role, the Backend Software Engineer will be given full aut ...

Security Test Engineer: Build Robust Software & Firmware Security

Security Test Engineer Location: 4 days per wk in Glasgow / 1 day from home Salary: Circa 75k-80k + Benefits Security Test Engineer required by a Global Engineering Company! You’ll be responsible for ensuring the security robustness of software and firmware components for ...

webMethods Software Engineer

3 days ago Be among the first 25 applicants This range is provided by F5 Consultants. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Overview Job Title: WebMethods Software Engineer (Jnr-Mid Level & Senior) Loca ...

Kotlin/Java Developer

Senior Software Engineer - Kotlin / Java (Financial Services) We're supporting a major financial services programme that is scaling rapidly and looking to add several experienced backend engineers to the team. We're looking for strong Software Engineers with proven experience building scalable syst ...

Software Developer Java & Spring Boot

Experience within UK public sector or Financial Services The Company At Amber Labs, we are a cutting‑edge UK and European technology consultancy that prioritises empowering autonomy, promoting experimentation, and facilitating rapid learning to provide exceptional value to our clients. ...

Software Engineering with Java Payments

We have an exciting and rewarding opportunity for you to take your software engineering career to the next level. As a Software Engineer III at JPMorgan Chase within the (insert LOB or sub LOB), you serve as a seasoned member of an agile team to design and deliver trusted market-leading technology ...

Software Engineer

The Role As a Software Engineer, you will design, develop, integrate and maintain secure software services and mission‑critical applications within classified government environments. Working across full‑stack and backend engineering, you will contribute to building modern, secure digital ...

Lead Software Engineer

Lead Software Engineer (Full Stack) Location: Farnborough, with flexibility to work from home depending on business demands. Salary: £61,500 - £78,800. The Role: As a Senior Technical Leader, you will sustain the current environment and deliver new capabili ...

Backend Software Engineer

Upwind is a next-generation Cloud Security Platform that leverages runtime context to identify and prioritize critical risks, providing precise insights and efficient cloud security management. Unlike traditional tools, Upwind uses runtime data proactively for risk prioritization and posture insights, ensu ...

Backend Developer AWS (Belfast)

Upwind is a next-generation Cloud Security Platform that leverages runtime context to identify and prioritize critical risks, providing precise insights and efficient cloud security management. Unlike traditional tools, Upwind uses runtime data proactively for risk prioritization and posture insights, ensu ...

Senior Backend Engineer

About Us Ready for a challenge and adventure? At XYZ Reality, we are a well-established, award-winning Series-A startup accelerating toward our next funding round. Our mission is to expand our platform, enhancing features, performance, and scalability while revolutionizing the constructio ...

Product Security & Software Engineer (OT/SCADA)

GEA Group in the United Kingdom is seeking a Product Security & Software Development Engineer responsible for enhancing security in software development processes. The role involves implementing IEC 62443-4-1 standards, conducting risk analyses, and improving safety measures for critical product offerings in the ...

Endpoint DLP Software Engineer — Security & Performance

WorksHub is looking for an Agent Software Engineer for a full-time position in the United Kingdom. The ideal candidate should have experience in software development using languages like Go, C, C++, Java, Scala, and Swift, along with knowledge of kernel and device driver development for Windows, Linux, or Mac. T ...

Software Dev Engineer, Amazon Security Automation

DescriptionAt Amazon, security is central to maintaining customer trust and delivering delightful customer experiences. Our organization is responsible for creating and maintaining a high bar for security across all of Amazon’s products and services. We offer talented security professionals the chance to acc ...

Java Developer (Security Clearance Eligible)

Accenture UK & Ireland is looking for a Java Developer in Newcastle. The role requires proficiency in Java and a willingness to undergo a Security Clearance process, necessitating 5+ years of continuous residence in the UK without significant gaps. This is a full-time position offering a competitive co ...

Senior Java Software Engineer Scalable SaaS for Logistics

Spyro Soft is seeking experienced Senior Developers to enhance the TMS platform within a complex transport environment. The role involves designing and developing applications using Java, Spring Boot, Angular, and more. Successful candidates should have a strong understanding of software engineering pr ...

AI Engineer

AI Engineer Upwind is a next-generation Cloud Security platform that uses runtime context to identify and prioritise the most critical risks, giving teams clear insights and a smarter way to manage cloud security. Unlike many traditional tools, Upwind takes a proactive approach, using rea ...

Java Software Engineer : Global Bank : £150k + bonus : Hybrid

Java Software Engineer : Global Bank : £150k + bonus : Hybrid We’re partnering with a global, technology-driven investment bank seeking a Senior Java Engineer to join their platform engineering team. You’ll work on systems that support trading, risk, analytics, and data operations across multiple ...

Senior Software Engineer — Java / Python, Build Scalable Systems

A leading financial institution in the United Kingdom is seeking experienced Software Engineers to design and develop scalable technology products. You will work in an agile team, focusing on Java or Python to create high-quality code, maintain algorithms, and analyze large datasets. The ideal candidate has hand ...

Low Latency Software Engineer : C++/Java : £150 200k+

Low-Latency Software Engineer : C++/Java : £150-200k+ We’re partnering with a leading global trading firm to hire a Low‑Latency Software Engineer. This is a rare opportunity to work on ultra‑low‑latency systems that process market data and execute trades at sub‑millisecond speeds – the backbone o ...

Progress Openedge developer

Job Summary:We are seeking a highly skilled and experienced Progress OpenEdge Developer with strong expertise in API development and integration. The successful candidate will play a crucial role in designing, developing, and maintaining high-performance software solutions. You will work closely with cro ...

Senior AppSec Engineer — AI Security & Secure DevOps

IAG Loyalty is seeking a talented Senior Application Security Engineer to join their security engineering team in London. This role entails leading the application security practice and collaborating with various engineering teams to embed security into the software development lifecycle. The ideal can ...

Cyber Software Vulnerability Engineer (DV Cleared) – Manchester

A leading cybersecurity company in Manchester is looking for a Cyber Software Vulnerability Engineer. You will analyze and reverse engineer software to uncover vulnerabilities and improve security in a collaborative Agile environment. Proficiency in languages like C, C++, or Java, along with a good understanding ...

Java Developers (all levels)

Java Developers (all levels) Position DescriptionAt CGI, we're shaping the future of digital UK Government solutions, building secure, high-impact platforms that improve services for millions across the UK. As a Java Developer , you'll play a pivotal role in designing and developing ...

Senior Software Engineer – SaaS Platform & Security

TellJO | B Corp™ in Lancing is looking for a Senior Software Engineer to lead the development of a SaaS platform that makes a social impact. This role involves designing and maintaining applications using C#, .NET, React, and TypeScript, and managing Azure resources. You'll be responsible for ensuring ...

Senior Software Engineer – National Security Systems

The National Physical Laboratory in Birmingham is seeking a Senior Software Engineer to lead the design and architecture of systems that support security testing. This hands-on role requires expertise that directly impacts national security by ensuring the delivery of secure software. Ideal candidates ...

Software Design Engineer – Industrial Automation & Security

ATA Recruitment is seeking a Software Design Engineer in Bold Heath, England, to join a team focused on advanced automation systems. This role involves designing and developing software solutions for high-throughput conveyor and robotics systems. The ideal candidate has at least 5 years in industrial s ...

Application Security Engineer Shape Secure Software

Palantir Technologies is seeking a Product Security expert in City of Westminster to ensure secure software development across products. This role involves performing thorough security reviews, collaborating with engineering teams, and leading pivotal security initiatives company-wide. Ideal candidates have a ...

Software Development Engineer, NextGen Security Automation

Software Development Engineer, NextGen Security Automation Job ID: | Amazon UK Services Ltd. At Amazon, security is central to maintaining customer trust and delivering delightful customer experiences. Our organization is responsible for creating and maintaining a high bar for security acros ...

Senior Software Engineer – Offensive Security & Platform

A cybersecurity firm is seeking a Senior Software Developer to tackle complex security challenges. Collaborating with researchers, you will deliver robust software solutions while reverse-engineering system internals across various platforms like Windows, Linux, Android, and iOS. The ideal candidate is experienc ...

Operational Software Engineer, Cyber Security & Embedded

A cyber security firm in Cheltenham seeks full-stack developers to work on bespoke software solutions. Responsibilities include designing new products and adding capabilities to existing ones. The ideal candidate has strong skills in Python and C++, as well as experience in leading projects. The role offers mark ...

Software Engineer, Core IP Security & Cryptography

Barlowe LLP is seeking a skilled Software Engineer in London to design and develop bespoke security systems for protecting sensitive intellectual property. The role involves working with a team on service backends, APIs, and infrastructure security, requiring strong experience in C#/.NET and a solid understan ...

Lead Principal Software Engineer Cloud & Security

A leading consulting firm in Milton Keynes is seeking a Lead Principal Consultant for a contract role in Government, Defence & Security. The ideal candidate will have expertise in C# .NET Core or C++, along with experience in AWS, Docker, and security practices. The position offers a competitive day rate of £500 ...

Cyber Security Software Engineer — DV Cleared

BT Group is seeking a Software Engineering Professional to join their specialist security team focused on Cyber Security. In this role, you'll solve real-world problems while ensuring high-quality deliverables in an Agile environment. Key responsibilities include making impactful technical decisions an ...

Frontend Security Software Engineer DV Cleared

BT Business in Greater Manchester is seeking an experienced software engineer to join their specialist security team. You’ll be developing powerful user interfaces to solve crucial cybersecurity challenges. Your expertise in JavaScript, TypeScript, React, and Kubernetes is essential for this role. This ...

Mission Critical Software Engineer (Security Eligible)

CGI’s Space, Defence and Intelligence business unit focuses on delivering contemporary and innovative technical solutions for government agencies tackling challenging problems. We build and operate bespoke, technically complex, mission-critical systems that help keep our clients safe and secure. We ...

Operational Cyber Software Engineer National Security

A leading cybersecurity firm based in Gloucester is searching for an Early Careers Cyber Software Engineer. This role requires strong technical skills and creative problem-solving in cybersecurity. Successful candidates will engage in developing secure solutions, collaborating with experienced engineers, and rec ...

Software Engineer, High Assurance Security & Cryptography

G-Research in Westminster is seeking a Software Engineer to design and operate bespoke security systems protecting valuable intellectual property. With significant autonomy on a focused team, you will develop high-assurance security systems and collaborate with research stakeholders. Ideal candidates w ...

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