1 to 25 of 35 Permanent JWT Jobs in London

Node Developer

Location
Greater London, England, United Kingdom
building and maintaining RESTful APIs. Solid understanding of SQL and NoSQL databases (e.g., MongoDB, PostgreSQL, MySQL). Familiarity with authentication and authorisation mechanisms (OAuth, JWT, etc.). Experience with version control systems like Git and GitHub/GitLab. Familiarity with containerization technologies such as Docker. Strong understanding of web performance ...

Senior Software Engineer (Kotlin, Spring Boot)

Location
Greater London, England, United Kingdom
have strong commercial experience with: Spring Boot and the wider Spring ecosystem Spring Data JPA/Hibernate Spring Security including OAuth2 and JWT REST API design and implementation Microservices and distributed system design SQL databases with strong query optimisation skills NoSQL databases Messaging technologies such as Kafka or RabbitMQ Docker ...

Senior Fullstack Engineer (Go/React)

Location
Greater London, England, United Kingdom
Data access in Go using tools such as database/sql, sqlx, sqlc or GORM Authentication and authorisation including OAuth2, OIDC and JWT REST API design and implementation, with exposure to gRPC and Protocol Buffers Microservices and distributed system design SQL databases with strong query optimisation skills NoSQL databases Messaging ...

Senior Software Engineer - Java, Node.js & AWS

Location
Greater London, England, United Kingdom
8+) including Streams, Lambdas and Optional Spring Boot and the wider Spring ecosystem NodeJS Spring Data JPA/Hibernate Spring Security including OAuth2 and JWT REST API design and implementation Microservices and distributed system design SQL databases with strong query optimisation skills NoSQL databases Messaging technologies such as Kafka ...

Senior Fullstack Engineer (Java/React/Python)

Location
Greater London, England, United Kingdom
modern hooks-based development and state management Spring Boot and the wider Spring ecosystem Spring Data JPA/Hibernate Spring Security including OAuth2 and JWT REST API design and implementation Microservices and distributed system design SQL databases with strong query optimisation skills NoSQL databases Messaging technologies such as Kafka ...

Senior Java Developer (AWS, Microservices) – Sussex

Location
Greater London, England, United Kingdom
pipelines (e.g., Jenkins, GitHub Actions, AWS CodePipeline). Knowledge of unit testing, integration testing, and automation testing. Awareness of security best practices, OAuth2/JWT authentication. Awareness of SQL & NoSQL (Opensearch). Familiarity with travel industry concepts/GDSes. *Rates depend on experience and client requirements #J-18808-Ljbffr ...

Boomi Architect

Location
City of Westminster, England, United Kingdom
AtomSphere, API Management, Boomi Flow REST/SOAP Services, XML, JSON, SQL B2B/EDI MFT Integrations Integration Patterns and Enterprise Architecture OAuth, SAML, JWT, Security Best Practices CI/CD, DevOps Cloud Platforms (AWS, Azure, GCP) Preferred Skills SAP, Salesforce, Oracle, Workday integrations Kafka/Event Streaming Apigee, MuleSoft ...

Technical Solutions Architect

Location
Greater London, England, United Kingdom
other infrastructure‐as‐code delivery, CI/CD automation and automated testing strategy. Secure API and service design using OAuth 2.0, OpenID Connect, JWT and Microsoft Entra ID. Ability to balance strategic architecture with delivery pragmatism, operational constraints and incremental migration. Strong written and visual architecture communication, senior stakeholder influence ...

Backend Developer

Location
Greater London, England, United Kingdom
commercial monetization branches. System Compliance, Security & Performance: Enforce ironclad data protection layers matching UK GDPR and Data Protection Act 2018 standards. Set up OAuth2, JWT mechanisms, role-based access control profiles, continuous security auditing loops, and proactive error logging systems to actively prevent system threats or data breaches. DevOps ...

Senior Python Developer/ Engineer

Location
City of Westminster, England, United Kingdom
services. Strong understanding of software design patterns, object‐oriented programming principles, clean code practices, and distributed system design. Experience implementing API security using OAuth2, JWT, OpenID Connect, API Keys, and secure authentication/authorization mechanisms. Experience with relational and NoSQL databases such as PostgreSQL, MySQL, Aurora, or DynamoDB. Experience with … Testing. Exposure to WebSockets, event‐driven architectures, or real‐time data patterns. Familiarity with modern authentication approaches such as OAuth2, OpenID Connect, JWT, and AWS Cognito. Experience with OpenAPI/Swagger specifications and API lifecycle management. Experience with CI/CD tools such as GitHub Actions, Azure DevOps, Jenkins ...

Integration Architect - SAP SAAS Products

Location
Greater London, England, United Kingdom
/REST, IDoc/EDI. • Proven delivery with SuccessFactors, Ariba, Concur, Datasphere, SAC, and S/4HANA Cloud integrations. • Strong security fundamentals (OAuth2, SAML, JWT, SCIM) and compliance awareness. • Hands-on with observability (Cloud ALM), performance tuning, and reliability engineering. • Experience with agile delivery, CI/CD (Git-based pipelines ...

Lead Quality Engineer

Location
Greater London, England, United Kingdom
Python) across multi-browser environments. Practical familiarity with validating API Gateways (e.g., Azure APIM policy validation, rate limiting, and OAuth 2.0/Entra ID JWT authentication). Experience embedding DevSecOps and security quality gates (such as SonarQube SAST, DAST, or container scanning) within CI/CD pipelines. Exposure to service ...

Principal Security Engineer, Product & Infrastructure

Location
Greater London, England, United Kingdom
internal IT-adjacent project: Main sites in Paris, London, Toronto and NYC MacOS, Windows, Linux workstations GCP, Kubernetes, Terraform, Postgres, SingleStore, Vault Okta, OAuth, JWT, C#, .NET Core, TypeScript, React, Python, Go Datadog (SIEM), CloudFlare ZTNA, Falco, Wiz, Riot, HackerOne, TruffleHog Google Workspace, Jumpcloud, Vanta, Hibob, Slack GitHub, CircleCI, ArgoCD ...

APIGEE Consultant - London - UK

Location
Greater London, England, United Kingdom
experience with Apigee Edge and Apigee Hybrid/X. Proven experience in Edge → Hybrid/X migrations. Knowledge of REST APIs, OAuth 2.0, JWT, OpenAPI. Cloud experience (GCP preferred) and Kubernetes/GKE exposure. Excellent client communication and consulting skills. Personal: Besides the professional qualifications of the candidates we place ...

Lead UI Developer – Single Dealer Platform (TypeScript / RxJS / React)

Location
Greater London, England, United Kingdom
error tracking). Ensure secure front end practices (XSS/CSRF protection, content security policy, secrets handling, auth flows with OAuth/OIDC/JWT). What we are looking for: Solid years building web applications with TypeScript and React; 3+ years in a senior/lead role. WebSockets, Server ...

AI Platform Engineer - TypeScript AWS MCP Agentic AI

Hiring Organisation
Method-Resourcing
Location
London, United Kingdom
Employment Type
Permanent
Salary
£90,000
FastAPI or similar frameworks. Experience with LangChain, LangGraph, LlamaIndex or comparable agent frameworks. LLM function calling, tool use and agent orchestration. API gateways, OAuth2, JWT and secure service-to-service communication. JSON-RPC, Server-Sent Events (SSE), WebSockets or asynchronous programming. Experience designing and deploying production AI applications. ...

Fullstack Engineer

Hiring Organisation
Oscar Technology
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £100,000 per annum
migrations, indexing and multi-tenant isolation Build event-driven and background processing, plus real-time features over WebSockets Implement SSO, OTP and session/JWT auth, and integrate with Microsoft 365, CRMs and document stores Work with the AI/ML team to ship LLM-powered features, including UX that ...

Senior Workday Extend Platform Consultant

Location
Greater London, England, United Kingdom
platform capabilities. Extensive knowledge of web service and integration technologies (REST, SOAP, JSON, XML) and modern auth standards (such as OAuth, JWT, SAML). Fluency in English is mandatory. Additional European languages are an advantage. Our Approach to Flexible Work With Flex Work, we’re combining the best of both ...

Lead Infrastructure Engineer - Proxy/SSE Network Security

Location
Greater London, England, United Kingdom
experience withproxy/gateway architectures(forward proxy, reverse proxy, IAP patterns) and secure internet access controls. Deep knowledge ofSAML, OIDC, OAuth 2.0 concepts, JWT(signing, verification, JWKs, rotation, scopes/claims, replay protection). Demonstrated experience leading effective use of approved AI-assisted software development tools (e.g., for coding, code ...

Principal Engineer, Identity and Access Management

Location
Greater London, England, United Kingdom
Demonstrable experience building authorization engines using: RBAC ReBAC ABAC ACL Experience designing authorization for: Multi-tenant SaaS Microservices APIs Experience with: OAuth2 OpenID Connect JWT SAML Strong distributed systems experience Nice to have Google Zanzibar OpenFGA SpiceDB OPA Cedar Envoy Istio SPIFFE/SPIRE Interview Practices To maintain a fair ...

C# Backend Senior Engineer (London-based)

Location
Greater London, England, United Kingdom
SDKs, Policy APIs, authorization microservices, and identity services. office remote United Kingdom Requirements 5+ years of experience with C#/.Net REST APIs OAuth2, JWT, OIDC Graph modeling Distributed systems Understanding of RBAC, ReBAC, ACL, and policy evaluation is a plus Nice to have Hands-on experience with Identity & Authorization ...

Platform Security Engineer

Location
Greater London, England, United Kingdom
clean isolation across micro services Experience with Supply Chain Security and optimizing Vulnerability management loop. Identity protocols and applied cryptography in practice: OAuth2, OIDC, JWT, SAML, mutual TLS, PKI, encryption and signing primitives. Fluency with coding agents and LLM-based development tooling, and judgment about when to trust their output. ...

Front End React Developer

Hiring Organisation
Ascend Consulting
Location
NW7, Mill Hill, Greater London, United Kingdom
Employment Type
Permanent
Salary
£45000 - £80000/annum Great Benefits
core principles Experience with Redux and RTK (RTKQuery also a bonus) Familiarity with RESTful APIs Knowledge of modern authorization mechanisms, such as JSON Web Token Familiarity with modern front-end build pipelines and tools (Github actions a bonus) Experience with common front-end development tools such as Babel, Webpack ...

Contract Senior Full-Stack Engineer – Java 21 / React / AWS

Location
Greater London, England, United Kingdom
build a Forms capability using Java 21/Spring Boot backend and React/Vite/TanStack frontend, containerized for AWS EKS. REST/JWT integration will leverage existing platform services such as Cognito and S3. The contract spans 1 month with a possible extension and requires UK-based work ...

MuleSoft developer

Location
Greater London, England, United Kingdom
using Data Weave.Develop REST and SOAP service integrations with enterprise applications.Collaborate with Salesforce developers to support inbound and outbound integrations.Implement security standards including OAuth, JWT, TLS, and API security policies.Support CI/CD deployment processes and release activities.Monitor, troubleshoot, and optimize integration performance.Produce technical documentation, integration specifications, and support materials.Participate ...