the North West for regular office days. Nice-to-have Experience with containerization/orchestration: Docker , Kubernetes . Familiarity with Identity/Auth systems (OAuth2/OpenID Connect/JWT). Experience with messaging/eventing platforms (RabbitMQ, Kafka). Infrastructure as Code (Terraform, ARM templates). Front-end testing (Jest, React Testing Library) and TypeScript. Domain knowledge in fintech More ❯
Leamington Spa, Warwickshire, Royal Leamington Spa, United Kingdom Hybrid / WFH Options
Crimson
cross-functional teams to deliver cohesive, end-to-end solutions. Familiar with DevOps tools (Docker, Jenkins) and cloud platforms (AWS, GCP). Knowledgeable in application security, including OAuth2 and JWT authentication. Interested in leveraging AI and automation to improve back-end processes. Interested? Please submit your updated CV to at Crimson for immediate consideration. Not interested? Do you know someone More ❯
Develop and maintain secure CI/CD pipelines using Azure DevOps and GitHub workflows. Implement and enforce security best practices, including vulnerability scanning, secure coding, and access control (OAuth, JWT, API keys). Automate infrastructure provisioning and management with Terraform and Ansible. Containerize applications using Docker and manage deployments in AWS. Regularly audit and upgrade software packages and libraries to More ❯
Manchester, England, United Kingdom Hybrid / WFH Options
Suits Me
also... Demonstrate strong experience of developing Node.js/TypeScript application services Demonstrate good knowledge of REST APIs, contract testing, and API versioning Understand fundamentals of authentication/authorisation (OAuth2, JWT) Be comfortable with event-driven and idempotent service design Have worked in a fintech or similar regulated financial environment Communicate clearly and work well in a hybrid, cross-functional environment More ❯
bolton, greater manchester, north west england, united kingdom Hybrid / WFH Options
Suits Me
also... Demonstrate strong experience of developing Node.js/TypeScript application services Demonstrate good knowledge of REST APIs, contract testing, and API versioning Understand fundamentals of authentication/authorisation (OAuth2, JWT) Be comfortable with event-driven and idempotent service design Have worked in a fintech or similar regulated financial environment Communicate clearly and work well in a hybrid, cross-functional environment More ❯
warrington, cheshire, north west england, united kingdom Hybrid / WFH Options
Suits Me
also... Demonstrate strong experience of developing Node.js/TypeScript application services Demonstrate good knowledge of REST APIs, contract testing, and API versioning Understand fundamentals of authentication/authorisation (OAuth2, JWT) Be comfortable with event-driven and idempotent service design Have worked in a fintech or similar regulated financial environment Communicate clearly and work well in a hybrid, cross-functional environment More ❯
london, south east england, united kingdom Hybrid / WFH Options
InfoSec People Ltd
full lifecycle. What you'll bring 3+ years' commercial engineering. Hands-on AWS Serverless (Lambda, API Gateway, CloudWatch) and microservices. Experience with AWS Amplify. Strong API security (OAuth/JWT) and SQL/MySQL query optimisation. Version control with Git and modern team workflows. Why apply Up to £80k base + share options. 25 days' holiday + bank holidays & your More ❯
Swindon, Wiltshire, South West, United Kingdom Hybrid / WFH Options
Stott & May Professional Search Limited
risks to stakeholders. Required Skills & Knowledge Proven Security Architect experience in large, complex organisations, ideally in financial services (PCI compliance). Hands-on experience with IBM DataPower, OAuth 2.0, JWT, TLS, WS-Security, and encryption standards. Previous experience developing bespoke threat models using MITRE ATTACK & STRIDE. Ability to design secure architectures for hybrid/multi-cloud environments. Knowledge of zero More ❯
salisbury, south west england, united kingdom Hybrid / WFH Options
Stott & May Professional Search Limited
risks to stakeholders. Required Skills & Knowledge Proven Security Architect experience in large, complex organisations, ideally in financial services (PCI compliance). Hands-on experience with IBM DataPower, OAuth 2.0, JWT, TLS, WS-Security, and encryption standards. Previous experience developing bespoke threat models using MITRE ATTACK & STRIDE. Ability to design secure architectures for hybrid/multi-cloud environments. Knowledge of zero More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Ventula Consulting Limited
architecture, and API design. Security & Compliance ? A deep and demonstrable security-first mindset. ? Hands-on experience implementing security best practices at the application layer, including authentication (e.g., OAuth 2.0, JWT), authorization (RBAC), and data encryption. ? Experience in securely handling and storing sensitive user data (PII). This is a permanent position with hybrid working of two days a week in More ❯
London, England, United Kingdom Hybrid / WFH Options
SR2 | Socially Responsible Recruitment | Certified B Corporation™
Optimise app performance, implement modern architecture patterns, and handle push notifications, offline-first features, and state management Collaborate on backend APIs (REST or GraphQL) and integrate secure authentication methods - JWT, OAuth Deploy and manage cloud infrastructure and services on AWS, including Lambda, DynamoDB, S3, AppSync Support CI/CD pipelines and ensure high-quality, monitored deployments What you bring 5+ More ❯
london, south east england, united kingdom Hybrid / WFH Options
SR2 | Socially Responsible Recruitment | Certified B Corporation™
Optimise app performance, implement modern architecture patterns, and handle push notifications, offline-first features, and state management Collaborate on backend APIs (REST or GraphQL) and integrate secure authentication methods - JWT, OAuth Deploy and manage cloud infrastructure and services on AWS, including Lambda, DynamoDB, S3, AppSync Support CI/CD pipelines and ensure high-quality, monitored deployments What you bring 5+ More ❯
slough, south east england, united kingdom Hybrid / WFH Options
SR2 | Socially Responsible Recruitment | Certified B Corporation™
Optimise app performance, implement modern architecture patterns, and handle push notifications, offline-first features, and state management Collaborate on backend APIs (REST or GraphQL) and integrate secure authentication methods - JWT, OAuth Deploy and manage cloud infrastructure and services on AWS, including Lambda, DynamoDB, S3, AppSync Support CI/CD pipelines and ensure high-quality, monitored deployments What you bring 5+ More ❯
Manchester, Lancashire, United Kingdom Hybrid / WFH Options
IO Associates
security best practices Experience with Azure Services (App Services, Functions, Storage, SQL Database) Skilled in Azure DevOps - source control, CI/CD pipelines, build & release management Understanding of OAuth, JWT , and securing APIs & data encryption Solid experience writing unit and integration tests (xUnit, NUnit, etc.) You'll be joining a team that values clean, scalable code and collaboration, while working More ❯
Manchester, England, United Kingdom Hybrid / WFH Options
iO Associates
security best practices Experience with Azure Services (App Services, Functions, Storage, SQL Database) Skilled in Azure DevOps - source control, CI/CD pipelines, build & release management Understanding of OAuth, JWT , and securing APIs & data encryption Solid experience writing unit and integration tests (xUnit, NUnit, etc.) You'll be joining a team that values clean, scalable code and collaboration, while working More ❯
Leeds, West Yorkshire, United Kingdom Hybrid / WFH Options
CBSbutler Holdings Limited trading as CBSbutler
Experience: Previous experience with manual testing (systems, APIs, and applications) Languages: JavaScript and Python Tools: Confluence, Jenkins, Jira, Splunk Desired Industry and Competencies Knowledge of authentication mechanisms (OAuth, SAML, JWT, etc.). Experience working in healthcare If you are interested in this role or wish to apply, please feel free to reply to this advert or call me on (phone More ❯
Leeds, West Yorkshire, United Kingdom Hybrid / WFH Options
Damia Group Ltd
Competencies Previous experience with manual testing (systems, APIs, and applications) Languages: JavaScript and Python Tools: Confluence, Jenkins, Jira, Splunk Desired Industry and Competencies Knowledge of authentication mechanisms (OAuth, SAML, JWT, etc.). Experience working in healthcare Security Tester - Onsite in Leeds on Tuesday & Thursday and home based on the other days £350-£400 per day (inside IR35) - 9 months+ Damia More ❯
Manchester, Lancashire, United Kingdom Hybrid / WFH Options
and JavaScript experience Experience building applications with React and React Native Familiarity with mobile app deployment and lifecycle management (App Store, Google Play) Understanding of APIs, authentication patterns (OAuth2, JWT), and secure data handling Knowledge of accessibility standards and best practices for web and mobile apps Curiosity about fintech, digital identity, and secure app design Be comfortable working with React More ❯
and platform teams. The role is Node.js-heavy and initially focused on authentication: completing our migration from a legacy auth system to Auth0, moving M2M clients to Private Key JWT (with client-credentials fallback where needed), and automating customer onboarding (keys/JWKs and SSO enablement). It's a hands-on opportunity to ship high-impact security work that More ❯
Bath, Somerset, United Kingdom Hybrid / WFH Options
Seccl Technology Limited
and platform teams. The role is Node.js-heavy and initially focused on authentication: completing our migration from a legacy auth system to Auth0, moving M2M clients to Private Key JWT (with client-credentials fallback where needed), and automating customer onboarding (keys/JWKs and SSO enablement). It's a hands-on opportunity to ship high-impact security work that More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Dotwatcher
DotWatcher is looking for a highly motivated Junior Full stack developer .net core 8.0 C#, SQL, Restful API, WebApp to join the London team. This position reports to the Technical Lead. The role requires an experienced candidate with the skills More ❯