1 to 25 of 27 Remote Permanent JWT Jobs

architectures, asynchronous processing, and tools like Celery or Kafka Familiarity with CI/CD pipelines, Docker, and DevOps workflows Experience designing or integrating authentication and authorisation systems (e.g., OAuth2, JWT) Success Metrics Deploy secure, scalable, and maintainable full-stack systems and LLM applications that deliver measurable business value Maintain low latency, high system uptime, and strong performance across APIs and More ❯

architectures, asynchronous processing, and tools like Celery or Kafka Familiarity with CI/CD pipelines, Docker, and DevOps workflows Experience designing or integrating authentication and authorisation systems (e.g., OAuth2, JWT) Success Metrics Deploy secure, scalable, and maintainable full-stack systems and LLM applications that deliver measurable business value Maintain low latency, high system uptime, and strong performance across APIs and More ❯

architectures, asynchronous processing, and tools like Celery or Kafka Familiarity with CI/CD pipelines, Docker, and DevOps workflows Experience designing or integrating authentication and authorisation systems (e.g., OAuth2, JWT) Success Metrics Deploy secure, scalable, and maintainable full-stack systems and LLM applications that deliver measurable business value Maintain low latency, high system uptime, and strong performance across APIs and More ❯

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 ❯

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 ❯

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 ❯

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 ❯

understanding of the DOM, component design, CSS, and state management. Solid performance and security knowledge: profiling, memoization, code-splitting, tree-shaking, bundle analysis, Core Web Vitals, OAuth2/OIDC, JWT handling, CSRF/XSS mitigation, CSP/SRI, dependency hygiene. Proven experience interacting with and co-designing production-grade RESTful APIs ideally with an API-first approach. Strong knowledge of More ❯

understanding of the DOM, component design, CSS, and state management. Solid performance and security knowledge: profiling, memoization, code-splitting, tree-shaking, bundle analysis, Core Web Vitals, OAuth2/OIDC, JWT handling, CSRF/XSS mitigation, CSP/SRI, dependency hygiene. Proven experience interacting with and co-designing production-grade RESTful APIs ideally with an API-first approach. Strong knowledge of More ❯

understanding of the DOM, component design, CSS, and state management. Solid performance and security knowledge: profiling, memoization, code-splitting, tree-shaking, bundle analysis, Core Web Vitals, OAuth2/OIDC, JWT handling, CSRF/XSS mitigation, CSP/SRI, dependency hygiene. Proven experience interacting with and co-designing production-grade RESTful APIs ideally with an API-first approach. Strong knowledge of More ❯

understanding of the DOM, component design, CSS, and state management. Solid performance and security knowledge: profiling, memoization, code-splitting, tree-shaking, bundle analysis, Core Web Vitals, OAuth2/OIDC, JWT handling, CSRF/XSS mitigation, CSP/SRI, dependency hygiene. Proven experience interacting with and co-designing production-grade RESTful APIs ideally with an API-first approach. Strong knowledge of More ❯

understanding of the DOM, component design, CSS, and state management. Solid performance and security knowledge: profiling, memoization, code-splitting, tree-shaking, bundle analysis, Core Web Vitals, OAuth2/OIDC, JWT handling, CSRF/XSS mitigation, CSP/SRI, dependency hygiene. Proven experience interacting with and co-designing production-grade RESTful APIs ideally with an API-first approach. Strong knowledge of More ❯

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 ❯

lifecycle. What you’ll bring 3+ years’ commercial Node.js 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 ❯

lifecycle. What you’ll bring 3+ years’ commercial Node.js 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 ❯

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 ❯

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 (eg, 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 ❯

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 ❯

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 ❯

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 ❯

secure, scalable and robust distributed systems. Experience with cloud (e.g. AWS, GCP, Azure), Kubernetes and cloud native distributed systems development, securing services (i.e. mTLS/PKI/OAuth/JWT, ideally with SPIFFE/SPIRE, service mesh), and software development with Go is required. Our tech stack includes gRPC APIs, PostgreSQL, SaaS, service mesh, Linux, Terraform, Helm, Docker and GitHub. More ❯

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 ❯

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 ❯

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 ❯

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 ❯