363,797+ Java Software Engineer Cloudnative Api Security Jobs in UK — Top Companies Hiring June 2026

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Lead Security Full Stack Software Engineer

Overview Job Description As a Senior Lead Full Stack Software Engineer at JPMorgan Chase within Cybersecurity and Technology Controls, you serve as a seasoned member of an engineering team that works to lead the delivery of software solutions that satisfy pre-defined functional and user re ...

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 ...

Cyber Security Software Engineer Consultant – Hybrid

Different Technologies Pty Ltd. is seeking a talented Software Engineer to join their dynamic team in the UK. You will be responsible for designing, developing, and implementing high-quality software solutions for government clients in Cyber Security, National Security, Law Enforcement, and Telecommunications ...

Senior C++ Software Engineer Cyber Security

Senior C++ Software Engineer / Developer Cambridge / WFH to £80k Do you have strong backend C++ software development experience? You could be progressing your career at the world's most advanced cybersecurity technology business that uses AI technology to protect clients across ...

Hybrid Firmware & Software Security Test Engineer

VERTECH GROUP (UK) LTD seeks an experienced Security Test Engineer in Dumbarton, working 4 days in Glasgow and 1 day from home. You will ensure the security robustness of software and firmware components, conducting threat compliance modelling and vulnerability assessments for a global engineering company. </ ...

Security Focused Software Engineer: Cryptography & Quantum

A technology company in Northern Ireland is seeking a Software Engineer with 2-4 years of experience in software development. You will collaborate with firmware teams to develop advanced security solutions, create specifications, and ensure functionality through testing. A degree in engineering or computer scien ...

Staff Software Engineer, Privacy & Data Security

At Vanta, our mission is to help businesses earn and prove trust. We believe that security should be monitored and verified continuously, and we empower companies to practice better security and prove it with ease. Vanta has a kind and talented team, and while some have prior security experience, many have be ...

Senior Software Engineer Cloud & Security (AWS)

Elsevier B.V. is looking for a software engineer focused on delivering secure, reliable solutions in a cross-functional Agile team. Your duties will involve working with AWS to create and maintain production-ready applications while ensuring best practices in CI/CD and software quality. Ideal candidate ...

Software Security Engineer — Hybrid, Flexible & Bonus

Matchtech in Bristol is seeking a professional for a hybrid role focusing on software security throughout the product lifecycle. Responsibilities include guiding security strategies, providing technical expertise, and conducting security assessments within a supportive engineering team. Requirements in ...

Software Engineer – Data Science (Security Cleared)

Cirrus Selection in Bristol is seeking a Software Engineer specializing in Data Science. This role involves working with complex datasets and building scalable systems, contributing to a classified concept program. The ideal candidate will have strong software engineering fundamentals and a solid grounding in ...

Senior Software Engineer, National Security – Hybrid

A leading technology company based in Gloucester is seeking a Senior Software Engineer to join their National Security team. This role involves designing, coding, and testing software while mentoring junior developers. Candidates should have a strong command of back-end programming languages like Java and Python ...

LabVIEW Software Engineer (Security Cleared, Edinburgh)

Advanced Resource Managers Ltd is seeking a Software Engineer for a 12-month contract in Edinburgh, paying up to £68 per hour (Inside IR35). The role requires a high level of UK Security clearance. The successful candidate will support software solution delivery, ensure stakeholder alignment, and creat ...

Security‑Focused Software Engineer (Hybrid, UK)

Daintta is seeking a talented Software Engineer to join their team in London or Cheltenham. You will collaborate with public sector clients to design, develop, and implement software solutions that safeguard the UK. The ideal candidate holds a Bachelor's degree in computer science, has experience in va ...

Backend Software Engineer – National Security (Gloucester)

Software Engineer - Gloucester - National Security Gloucester, UnitedKingdom Posted 10 months ago This is a job posted by our partner Jooble Tech stack Java Node.js Security Software Engineer Backend Python JavaScript C Below is a snippet of the job descripti ...

Embedded Software Engineer Security Clearance Cambridge

Embedded Software Engineer - Security Clearance - CambridgeA growing spinout security technology company, based in Cambridge, is currently seeking an experienced Embedded Software Engineer to assist with the development, modification, and enhancement of various security technologies.Your focus wi ...

Senior C++ Software Engineer Cyber Security

Senior C++ Software Engineer / Developer Cambridge / WFH to £80kDo you have strong backend C++ software development experience?You could be progressing your career at the world's most advanced cybersecurity technology business that uses AI technology to protect clients across the globe fr ...

Product Security Engineer: Secure Software & Cloud

A global quantitative investment manager is seeking an experienced product security professional to join their Security team. The role involves supporting the implementation and operation of product security controls across various platforms, including cloud services and infrastructure. Ideal candidates should h ...

Software Dev Engineer, Amazon Security Automation

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 across all of Amazon’s products and services. We offer talented security professionals the chance to accelerate their c ...

Software Engineer Gloucester National Security West

Location(s): UK, Europe & Africa : UK : Gloucester BAE Systems Digital Intelligence is home to 4,500 digital, cyber and intelligence experts. We work collaboratively across 10 countries to collect, connect and understand complex data, so that governments, nation states, armed ...

Software Engineer II – Security Data Platform

Rapid7 International Limited is seeking a Software Engineer II to join the Labs team in Belfast. In this role, you will develop cutting-edge research and security data platforms while collaborating with a team to enhance various projects including the vulnerability intelligence service and Project Sonar. ...

Contract Software Test Engineer Web Security

Contract Security Test Engineer (Outside IR35) WRK digital are shortlisting for an experienced Contract Security Test Engineer on an Outside IR35 consultancy basis to take end‑to‑end ownership of the security testing capability within a complex digital programme built around Power Platform & Dyna ...

Industrial Automation Software Engineer – Airport Security

Energy Jobline ZR is seeking a Software Design Engineer to join our team in Widnes, UK. In this role, you will be responsible for developing software for advanced automated material handling and aviation security systems utilized globally. This position requires strong experience with Siemens PLC platforms, a ...

Security Clearance Software Engineer Android & Backend

Addition is looking for a skilled engineer in Farnborough to design and develop secure software solutions. The role involves building Android applications and backend services using Kotlin, Rust, Python, or Go, while collaborating closely with various teams. With a focus on continuous improvement, you ...

Junior Software Engineer (IT Systems & Security)

Description Department: Software Engineering Location: London As a Junior Software Engineer (IT Systems & Security) , you will be the architect of the end-user experience. Your first 12 months will focus on Modern Endpoint Engineering; designing how we deplo ...

Senior C++ Software Engineer Cyber Security

Senior C++ Software Engineer / Developer Cambridge / WFH to £80k Do you have strong backend C++ software development experience? You could be progressing your career at the world's most advanced cybersecurity technology business that uses AI technology to protect clients ac ...

eDV Fullstack Software Engineer National Security

eDV Full Stack Software Engineer – National Security Join a growing team delivering mission-critical technology solutions that help keep the UK safe, secure and resilient. Working across National Security, Defence and Intelligence, partnering with customers to solve complex technical challe ...

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 ...

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 ...

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 ...

Security Driven Fullstack Java Engineer for Cloud Native

trg.recruitment is seeking a skilled Fullstack Java Engineer to enhance secure, high-availability cloud-native digital services. Key responsibilities include secure coding practices, relational database design, and collaboration within a DevSecOps environment. The ideal candidate will have strong backe ...

Technical Project Manager: Enterprise Software&API Delivery

Morson Human Resources Limited is seeking a Technical Project Manager to join their team in London on a hybrid model. The successful candidate will lead complex technology and business change projects, working closely with stakeholders and technical teams. The ideal candidate should have extensive expe ...

Senior Calypso Software Developer London (IT) in London Nexus Jobs Limited

Senior Calypso Software Developer - London Location: London, United Kingdom Posted 10 months ago This is a job posted by our partner Jooble. Tech stack Oracle Automation API securities Java Cycle Covering Back office processes like ...

Full Stack Java Engineer (Hybrid, Bristol) | Security Cleared

CACI Limited is seeking a Full Stack Software Engineer to join their National Security Government team in Bristol. This position involves implementing software solutions and providing technical leadership on various projects. The ideal candidate has experience with Java and AWS, along with a commitment ...

Lead QA Engineer (Java) – Automation, CI/CD & Security

A leading genomic medicine organization in the UK is seeking a skilled Lead QA Engineer to enhance quality assurance across multiple squads. The role requires deep expertise in Java and Playwright, focusing on designing automation test frameworks and mentoring teams. The position involves planning QA strategies ...

Cloud Native Java Engineer | CI/CD & Security Focus

Accenture is seeking a Software Engineer in Leeds, UK, to develop and deploy applications in an agile environment, utilizing technologies such as Java and AWS/Azure. The role includes deploying applications using CI/CD and ensuring quality through comprehensive testing. With a competitive salary, the benefits pa ...

Lead Security Engineer Full Stack Developer React / Java

Lead Security Engineer - Full Stack Developer - React / Java LONDON, United Kingdom Job Information Job Identification Job Category Security Engineering Business Unit Corporate Sector Posting Date 03/07/2025, 03:18 PM Locations LONDON, Uni ...

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 ...

Cloud & API Software Developer — UK Visa Sponsorship

Destinydot is seeking a highly qualified Software Developer to join their team in Woolwich Riverside. This position offers a chance to develop cutting-edge software solutions with hybrid remote work and sponsorship of a UK visa. The ideal candidate will have strong skills in software development, versi ...

GPU Software Architect: 3D API & Driver Innovation

Huawei Technologies Research & Development (UK) Ltd seeks an experienced Engineer specializing in GPU Software Architecture to join their Cambridge team. The successful candidate will design and develop new features for 3D graphics APIs such as Vulkan and DirectX, working closely with architects and development ...

Principal Software Architect: Cloud Platform & API Leadership

A leading energy technology firm in the UK seeks a Principal Software Engineer to shape architectural foundations and technical direction for their cloud-based platform. The position emphasizes leadership without formal authority and demands extensive experience in designing scalable systems. Successful candidat ...

Enterprise Software QA Tester — Manual & API Focus

APBA TG HUMAN RESOURCE PTE. LTD. is seeking a skilled software tester based in Penarth, UK. The candidate will perform functional, regression, and integration testing for enterprise applications, ensuring system readiness and stability. Responsibilities include developing test cases, supporting UAT, an ...

Principal Java Engineer Linux, Spring Boot, Mentoring

Bright Purple is seeking a Senior / Principal Java Software Engineer to support a leading international network security software company. This role offers an exciting opportunity to work with cutting-edge technology in a small, dynamic IT team responsible for internal operations. Ideal candidates will ...

Principle Java SoftwareEngineer

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 real impact in the industry. You will join a small close-knit IT team supporting th ...

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 ...

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