21 of 21 JWT Jobs in London

Senior Platform Engineer

Hiring Organisation
WTW
Location
London, England, United Kingdom
Front Door, Application Gateway, and Azure API Management. Experience with identity and access management using Azure AD/Entra ID, B2B, RBAC, OAuth2, OIDC, JWT and claims‐based authorisation. Experience in platform engineering or SRE roles: building internal platforms, defining SLIs/SLOs, managing error budgets, and implementing observability (centralised ...

Java Modernization Technical Architect - SC Clearance

Hiring Organisation
Randstad Technologies Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £500/day Inside IR35 via Umbrella
Azure Container Apps (ACA), ARO, Azure Storage, Azure SQL, and Azure Key Vault. Modernization & Security: Track record in legacy-to-cloud application migration, OAuth2, JWT, REST API architecture, performance tuning, and security hardening. Containerization: Hands-on experience with Docker and Kubernetes for container orchestration. Front-End Fundamentals: Exposure to client ...

Java Modernization Technical Architect - SC Clearance

Hiring Organisation
Randstad Technologies
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£450.00 - £500.00 per day
Azure Container Apps (ACA), ARO, Azure Storage, Azure SQL, and Azure Key Vault. Modernization & Security: Track record in legacy-to-cloud application migration, OAuth2, JWT, REST API architecture, performance tuning, and security hardening. Containerization: Hands-on experience with Docker and Kubernetes for container orchestration. Front-End Fundamentals: Exposure to client ...

Full Stack Developer

Hiring Organisation
MJA (London) Ltd
Location
City, London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
Lambda, API Gateway, SQS, SNS and EventBridge Redis and distributed caching CloudWatch, ELK/OpenSearch, Datadog, Prometheus, Grafana or Splunk OAuth 2.0/JWT and API security AWS certification Experience supporting high-volume, production-grade distributed systems ...

Platform Engineer

Hiring Organisation
Sanderson
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £93,000 per annum
across technical teams Desirable Experience API security experience Certificate lifecycle management PKI, TLS/mTLS and certificate-based authentication OAuth, OpenID Connect (OIDC) and JWT/JWKS concepts Secrets and credential management Site Reliability Engineering (SRE) experience Python scripting and automation Vendor and supplier management experience Experience working within regulated ...

API Automation Tester

Hiring Organisation
Lorien
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
testing across upstream and downstream systems. Integrate automated API test suites into GitLab CI/CD pipelines. Perform API security testing, including OAuth/JWT authentication, authorisation and negative testing. Collaborate with developers, architects and product teams to identify defects and troubleshoot issues. Improve automation coverage, framework stability and testing ...

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
Location
London, UK
Employment Type
Full-time
schema design, migrations, indexing and multi-tenant isolationBuild event-driven and background processing, plus real-time features over WebSocketsImplement SSO, OTP and session/JWT auth, and integrate with Microsoft 365, CRMs and document storesWork with the AI/ML team to ship LLM-powered features, including UX that investment ...

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 ...

AWS DevSecOps Engineer, React, AWS

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Employment Type
Permanent
Salary
£650 - £680 per day
integration security are built in from day one. Key Skills & Experience Strong background in DevSecOps, Application Security or Integration Security. Expertise in OAuth2, OIDC, JWT and API Security . Strong knowledge of OWASP Top 10 and OWASP API Security Top 10 . Experience securing AWS environments, including IAM, networking ...

Lead Infrastructure Engineer - Proxy/SSE Network Security (Corporate Sector)

Location
London, United Kingdom
with proxy/gateway architectures (forward proxy, reverse proxy, IAP patterns) and secure internet access controls. Deep knowledge of SAML, 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 ...

Lead Infrastructure Engineer - Proxy/SSE Network Security (Corporate Sector)

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
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 ...

Lead Infrastructure Engineer - Proxy/SSE Network Security (Corporate Sector)

Hiring Organisation
Hackajob Ltd
Location
Westminster, Greater London, UK
with proxy/gateway architectures (forward proxy, reverse proxy, IAP patterns) and secure internet access controls. Deep knowledge of SAML, 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 ...

Full stack Engineer

Hiring Organisation
DCV Technologies
Location
London, United Kingdom
Employment Type
Contract
Building responsive, cross-browser compatible applications - APIs: Developing RESTful APIs - Architecture and design: MVC architecture, design patterns, and dependency injection - Security: Authentication and authorization (JWT, OAuth2) - Databases: Hands-on SQL with MySQL, PostgreSQL, or Oracle. This includes complex queries, joins, indexing, and query optimization. ...

Integration Architect

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent, Work From Home
APIM policies and Policy Fragments covering areas such as authentication, routing, transformation and payload validation. Define secure API architectures using OAuth 2.0, OpenID Connect, JWT, mTLS, Microsoft Entra ID and Azure Key Vault . Design secure hybrid integration architectures incorporating Azure VNets, Private Endpoints, Application Gateway/… event-driven integration using technologies such as Azure Service Bus and Event Grid . Strong API/application security knowledge including OAuth2, OIDC, JWT, mTLS and Azure Key Vault . Experience designing and implementing cloud solutions on Microsoft Azure . Experience with Terraform or similar Infrastructure as Code tooling. Experience ...

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 ...

Loyalty Management Technical Architect

Hiring Organisation
Vertex I.T. Solutions Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 35 Annual
Components (LWC), and Platform Events . API & Integration Mastery: Extensive hands-on experience designing robust integrations with external transactional systems, managing authentication (OAuth 2.0, JWT), and optimising payloads for low-latency point redemptions. Specialised Loyalty Tools: Deep technical understanding of the Data Processing Engine (DPE), Batch Management ...

Principal Engineer

Hiring Organisation
Motorway
Location
London, UK
Employment Type
Full-time
criteria, and to say no to the ones that don't earn their placeStrong grounding in API and identity architecture: OAuth 2.0, OIDC, PKCE, JWT, and IAM patterns across multiple accountsExperience setting observability and reliability standards, and running incident practice that teams take seriouslyComfort across the stack: you can read ...

iOS Developer

Hiring Organisation
Sanderson Government and Defence
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
Up to £420 per day + Inside IR35
Role Overview We are seeking an experienced iOS Developer to design, develop, and maintain high-quality mobile applications for Apple's iOS platform. You will work closely with product managers, UX/UI designers, backend ...

Site Reliability Engineer

Hiring Organisation
JAM Recruitment Ltd
Location
London, United Kingdom
Employment Type
Permanent
Salary
£700 - £750 per day
Site Reliability Engineer Contract £700-750 per day (inside IR35) London 3-4 days per week on site 'Developed Vetting (DV) clearance is required for this role.' Our client is at the forefront of technology ...

Senior Front End D3 Javascript Software Engineer - Holborn

Hiring Organisation
Nexus Jobs
Location
London, England, United Kingdom
Job Reference: NJ0323Date Posted: 3 November 2026Recruiter: Nexus Jobs LimitedLocation: Holborn LondonSalary: 70,000 to 90,000Sector: I.T. & CommunicationsJob Type: PermanentWork Hours: Full TimeContact: Jas GujralEmail: cv@nexusjobs.comTelephone: 020 7488 6900Apply for this job nowJob ...