Abingdon, Oxfordshire, United Kingdom Hybrid / WFH Options
Halliburton
provide Technical Excellence Leadership for more than one team, providing expert guidance to software developers and support staff. Provides guidance to staff on application security standards, securecoding practices, and secure architecture designs. Provides a strong technical focus in product planning for a complete software system. Requires completion of an undergraduate degree in Computer Science More ❯
Oxford, Oxfordshire, United Kingdom Hybrid / WFH Options
Nominet
event-driven architecture. Refactor and migrate legacy applications for scalability and resilience. Build and maintain CI/CD pipelines and containerised deployments (Kubernetes, Docker). Ensure applications are secure, observable (logging, metrics, monitoring), and performant. Write clean, tested, maintainable code in modern programming languages. Collaborate with product managers, QA, and platform/SRE teams to deliver reliable services. … Oracle + SQL). Proficiency in Java is essential, with Go, Python, or similar languages Experience with front-end frameworks (ideally Angular, React, or similar). Securecoding practices and identity/secrets management. Strong version control (Git) and testing practices (integration, automation). Problem-solving, collaboration, and growth mindset. Nice to have: Containerisation and orchestration (Docker More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Holland & Barrett International Limited
execute the Holland & Barrett application security strategy. Collaborate with both tech and non-tech teams to integrate security principles into the early stages of product design and development. Secure SLDC: Establish a secure Software Development Lifecycle (SDLC) that enables development teams to deliver high-quality applications quickly while implementing essential controls for software integrity, authenticity, and … Own the creation and maintenance of tailored security standards and guidelines, developing reusable resources for various development teams. Team Support: Provide guidance and support to development teams on secure software production practices and flaw mitigation … strategies. Key Requirements: Essential: 5+ years of experience in application security, with at least 3+ years in software development. Strong understanding of application security concepts, including securecoding practices, threat modeling, vulnerability management, and access control mechanisms. Experience with AWS, Kubernetes, Service Mesh, and API Security (including authentication and authorization). Proficiency in programming languages such as More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Reed.co.uk
Lead Fullstack Developer to guide, inspire, and work alongside our team of Senior Developers. This is a hands-on leadership role: you'll spend the majority of your time coding (around 70%), while also providing technical direction, mentoring, and ensuring the team consistently ships high-quality software at speed. If you thrive in a startup-style environment, have proven … something meaningful from the ground up, this is the role for you. Key Responsibilities Lead a team of 5 senior developers, setting technical direction while staying hands-on with coding and problem-solving. Own the end-to-end delivery of features, ensuring speed, scalability, and quality are never compromised. Architect, develop, and maintain core SaaS platform components across the …/NodeJS Ensure smooth integration of AI tools, APIs, and data pipelines to enhance platform intelligence. Champion engineering best practices, including testing, CI/CD, and securecoding standards. Conduct regular code reviews and provide technical mentorship. Reporting to the Head of AI and Technology to align development priorities with business objectives. Foster a culture of collaboration More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Matched Group
with cloud message APIs and usage of push notifications. Knowledge of CI/CD pipelines, code signing, and deployment (App Store, Google Play). Understanding of securecoding practices. Excellent written and verbal communication skills For more information, contact Katie at Matched Group. Senior Full Stack Developer/Senior Full Stack Engineer/Full Stack Developer/ More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Matched Group
with cloud message APIs and usage of push notifications. Knowledge of CI/CD pipelines, code signing, and deployment (App Store, Google Play). Understanding of securecoding practices. Excellent written and verbal communication skills For more information, contact Katie at Matched Group. Senior Full Stack Developer/Senior Full Stack Engineer/Full Stack Developer/ More ❯
Milton Keynes, Buckinghamshire, England, United Kingdom Hybrid / WFH Options
Connexa
Java Developer to help deliver an award-winning AI innovation toolset supporting public sector data transformation. This role sits at the heart of a full-stack team building secure, scalable applications used across UK government departments. If you have a passion for backend engineering, cloud deployment, and delivering secure software at scale - this is a standout … opportunity to apply your skills in a meaningful way. Responsibilities: Develop robust back-end services using Java and Spring Boot Build secure … APIs and contribute to CI/CD automation and cloud-based deployment Collaborate with front-end developers and cross-functional teams on scalable system design Implement securecoding practices, data processing, and system testing Optimise application performance and maintain high-quality standards across environments What we're looking for: 6+ years' experience in Java-based development within More ❯
Leeds, West Yorkshire, United Kingdom Hybrid / WFH Options
FPSG
Industries/Vlocity is essential) FPSG have a fantastic opportunity to join a large-scale digital transformation programme aimed at uniting multiple internal business units under a new, secure, cloud-native digital platform. Ideal for a hands-on Security Engineer who enjoys embedding security into the development lifecycle and working with modern tooling and cloud environments. .Net Azure … is essential. The successful Security Engineer's responsibilities will include: Analysing new feature code to identify and mitigate security risks Collaborating with development teams to implement securecoding practices and remediation strategies Driving improvements in security maturity frameworks such as DSOMM, including hands-on delivery (code, configuration, documentation, tooling) Designing, building, operate, monitoring secure solutions … skills will include: Demonstrated experience in software security within cloud-first or hybrid environments (Azure preferred) A deep understanding of the Salesforce Industries aka Vlocity, with experience supporting secure integration and development Strong knowledge of networking protocols (e.g. TCP/IP, UDP, HTTP/3) and cloud network architecture (VPNs, subnets, zones) Experience with API security and integration More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Matched Group
with cloud message APIs and usage of push notifications. Knowledge of CI/CD pipelines, code signing, and deployment (App Store, Google Play). Understanding of securecoding practices. Excellent written and verbal communication skills For more information, contact Katie at Matched Group. Senior Full Stack Developer/Senior Full Stack Engineer/Full Stack Developer/ More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Matched Group
with cloud message APIs and usage of push notifications. Knowledge of CI/CD pipelines, code signing, and deployment (App Store, Google Play). Understanding of securecoding practices. Excellent written and verbal communication skills For more information, contact Katie at Matched Group. Senior Full Stack Developer/Senior Full Stack Engineer/Full Stack Developer/ More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Matched Group
with cloud message APIs and usage of push notifications. Knowledge of CI/CD pipelines, code signing, and deployment (App Store, Google Play). Understanding of securecoding practices. Excellent written and verbal communication skills For more information, contact Katie at Matched Group. Senior Full Stack Developer/Senior Full Stack Engineer/Full Stack Developer/ More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Matched Group
with cloud message APIs and usage of push notifications. Knowledge of CI/CD pipelines, code signing, and deployment (App Store, Google Play). Understanding of securecoding practices. Excellent written and verbal communication skills For more information, contact Katie at Matched Group. Senior Full Stack Developer/Senior Full Stack Engineer/Full Stack Developer/ More ❯
Milton Keynes, Buckinghamshire, England, United Kingdom Hybrid / WFH Options
Connexa
digital transformation, is looking for a Senior Software Engineer to join a high-performing team delivering AI-powered data platforms to government departments. You'll contribute to a secure full-stack platform enabling sensitive data redaction and digital archiving. This is a chance to build innovative, scalable services that make a real-world impact across central government. Responsibilities … Design and develop secure, scalable full stack software solutions Work across 30% front-end development (React, TypeScript) and 70% back-end … Java, Spring Boot) Develop APIs, manage relational databases (PostgreSQL/MySQL), and deliver clean DevOps pipelines Collaborate with stakeholders including architects, government partners, and academia Implement securecoding practices and maintain high standards in testing and documentation What we're looking for: 4+ years of experience in full stack development Expertise in Java, Spring Boot, and front More ❯
Newton Abbot, Devon, England, United Kingdom Hybrid / WFH Options
Reed
be the perfect opportunity for you. Day-to-day of the role: Develop bespoke software and middleware solutions to support and grow core business operations. Deliver high-quality, securecode using modern best practices. Collaborate with stakeholders to translate business requirements into robust technical solutions. Troubleshoot and resolve issues across development environments. Mentor junior team members, promoting best … Excellent problem-solving skills and attention to detail Strong commercial experience in professional PHP development Strong understanding of object-oriented programming and SOLID principles Knowledge of securecoding practices (e.g., OWASP) Strong experience with modern PHP frameworks (preferably Laravel or Symfony) Familiarity with relational databases (MySQL) and writing performant queries Comfortable working with Git, Composer, and modern More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Matched Group
with cloud message APIs and usage of push notifications. Knowledge of CI/CD pipelines, code signing, and deployment (App Store, Google Play). Understanding of securecoding practices. Excellent written and verbal communication skills For more information, contact Katie at Matched Group. Senior Full Stack Developer/Senior Full Stack Engineer/Full Stack Developer/ More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Matched Group
with cloud message APIs and usage of push notifications. Knowledge of CI/CD pipelines, code signing, and deployment (App Store, Google Play). Understanding of securecoding practices. Excellent written and verbal communication skills For more information, contact Katie at Matched Group. Senior Full Stack Developer/Senior Full Stack Engineer/Full Stack Developer/ More ❯
Abingdon, Oxfordshire, United Kingdom Hybrid / WFH Options
Halliburton
and processes used to design, code, test, trouble-shoot, document engineering systems applications. Develops test strategies used in the automated regression testing of these systems. Follows securecoding practices, performs triaging of security issues, and implements fixes to deliver secure applications. Familiar with common software vulnerabilities and leading practices to mitigate. Should have some experience More ❯
Chester, Cheshire, North West, United Kingdom Hybrid / WFH Options
Searchability (UK) Ltd
team responsible for developing and maintaining a highly available, in-house software platform. Our work spans modern APIs, scalable services, and engaging user interfaces. We value quality engineering, secure design, and continuous improvement across the stack. Who We're Seeking: We're on the lookout for a Senior Software Developer with strong backend skills and experience across a … modern cloud-native tech stack. You'll help design and implement robust, secure systems, write clean and testable code, and support key architectural decisions. You'll also collaborate with cross-functional teams, contribute to API development, and mentor junior developers. There's potential to lead a small team and take ownership of a stream of work depending on … vacancy only. We look forward to hearing from you! Key Skills: PHP, Symfony, MySQL, REST APIs, Microservices, JavaScript, React, Java, AWS, Docker, CI/CD, Git, SecureCoding, Test-Driven Development, Distributed Systems, Infrastructure as Code (CDK/Terraform), Linux/Bash More ❯
Ipswich, Suffolk, East Anglia, United Kingdom Hybrid / WFH Options
Reed Technology
Be the Tech Expert : Act as the go-to specialist for development technologies, especially within the Microsoft Cloud ecosystem. Promote Best Practices : Lead by example in securecoding, TDD, documentation, and quality assurance. Explore Emerging Tech What experience you will need to have: Leadership Experience : Looking for someone with experience mentoring/managing software development teams. Technical More ❯
Ipswich, Suffolk, United Kingdom Hybrid / WFH Options
Reed Technology
Be the Tech Expert : Act as the go-to specialist for development technologies, especially within the Microsoft Cloud ecosystem. Promote Best Practices : Lead by example in securecoding, TDD, documentation, and quality assurance. Explore Emerging Tech What experience you will need to have: Leadership Experience : Looking for someone with experience mentoring/managing software development teams. Technical More ❯
consultancy that specialise in solutions for Pensions and Investment Managers. As a Principal Software Engineer/Architect you will lead the design and development of scalable, robust and secure software solutions, playing a … critical role in shaping the technical direction of products balancing architectural design patterns with pragmatic solution design and guiding engineering teams through implementation. You'll ensure securecoding and best practices are being followed and create appropriate technical documentation. There's approximately a 50/50 split between architecture and coding, you'll become a member More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Holland & Barrett International Limited
enforce these controls once roles and permissions are set. Security Controls: Design, implement, and maintain security controls to prevent, detect, and remediate insecure configurations, including defining and disseminating secure AWS/infrastructure baselines. Standards Development: Own the development and maintenance of tailored security standards and guidelines, creating reusable resources for various development teams. AWS Security Services: Establish and … years of experience in cloud security, particularly with AWS, and at least 2+ years in software development. Strong understanding of cloud and application security concepts, including securecoding practices, threat modeling, vulnerability management, and access control mechanisms. Experience with AWS, Kubernetes, Service Mesh, API gateways, and API Security (authentication and authorization). Proficiency in programming languages such … be part of a company that values innovation and security. Ready to Make an Impact? If you're excited about cloud security and want to contribute to a secure future, apply now! We look forward to welcoming you to our team. We support flexibility and productivity of our employees by hybrid working arrangements. Although your role will be More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
new team working on a new crypto offering to design, develop and implement high performance cloud-native backend services including owning DevOps processes to ensure systems are robust, secure and observable. You'll be working with a modern tech stack using Java, Spring Boot, CI/CD, Kubernetes, AWS, EKS and Grafana/Splunk. About you: You have … good knowledge of DevOps practices including CI/CD, IaC (Terraform) and container orchestration You have experience with observability tooling You have a solid understanding of securecoding and deployment practices You're collaborative and pragmatic with great communication skills Apply now to find out more about this Backend Software Engineer/Developer (Java AWS) opportunity. More ❯
Tyne And Wear, United Kingdom Hybrid / WFH Options
KO2 Embedded Recruitment Solutions Ltd
C#, JavaScript, HTML/CSS PC: C#, XAML, USB-MTP Mobile: Cordova (iOS & Android) Cloud: Microsoft Azure, CI/CD pipelines, version control, automated testing Security: Securecoding, authentication, penetration testing Hardware: Industry-leading devices, digitally integrated What They are Looking For KO2's client is seeking a creative, forward-thinking developer who thrives in collaboration and More ❯
Gateshead, Tyne and Wear, North East, United Kingdom Hybrid / WFH Options
KO2 Embedded Recruitment Solutions LTD
C#, JavaScript, HTML/CSS PC: C#, XAML, USB-MTP Mobile: Cordova (iOS & Android) Cloud: Microsoft Azure, CI/CD pipelines, version control, automated testing Security: Securecoding, authentication, penetration testing Hardware: Industry-leading devices, digitally integrated What They are Looking For KO2's client is seeking a creative, forward-thinking developer who thrives in collaboration and More ❯