1 to 25 of 53 JWT Jobs in London

Senior Java Developer (with LLM expertise)

Hiring Organisation
Miratech Group
Location
London, England, United Kingdom
through CI/CD pipelines.Drive formal design reviews, contribute to technology stack selection, and define caching and observability strategies.Manage application security, including OAuth2/JWT authentication and authorization.Promote AI-assisted engineering across the developer group, including prompt engineering and the practical adoption of GitHub Copilot to speed up software delivery.Qualifications7+ ...

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 ...

Senior Backend Engineer - Investment Technology

Location
Greater London, England, United Kingdom
Development — Proficiency with modern AI tools (Claud, Copilot, etc.) to accelerate workflows and code quality. Security — Experience with authentication and authorization standards (OAuth2, OIDC, JWT) and secure service design. Messaging and Real‐Time Data — Experience with Kafka, MQ or similar messaging platforms, or with WebSockets and streaming architectures. API Management ...

Senior Backend Engineer - Investment Technology

Location
City Of London, England, United Kingdom
Assisted Development — Proficiency with modern AI tools (Claud, Copilot, etc.) to accelerate workflows and code quality.Security — Experience with authentication and authorization standards (OAuth2, OIDC, JWT) and secure service design.Messaging and Real-Time Data — Experience with Kafka, MQ or similar messaging platforms, or with WebSockets and streaming architectures.API Management — Experience with ...

API Marketplace Solution Architect

Location
Greater London, England, United Kingdom
.Extensive experience designing, developing, governing, and scaling enterprise API ecosystems. Strong expertise in RESTful API architecture, API security, authentication and authorization patterns (OAuth2, OIDC, JWT, mTLS), API management, API analytics, Smart Docs, sandbox environments, certificate management, and API gateway architectures. . API Management Platform Experience (Essential): Proven experience architecting ...

Full Stack Engineer

Location
Greater London, England, United Kingdom
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. Desirable Skills: Knowledge of NoSQL databases ...

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 ...

Analyst, AI/ML Engineer

Hiring Organisation
EBRD
Location
Greater London, United Kingdom
Employment Type
Full Time
Basic understanding of System Design and Architecture Basic understanding of microservices architecture and distributed system design. Familiarity with application authentication protocols (e.g. OAuth 2.0, JWT), and security best practices. What is it like to work at the EBRD?/About EBRD Our agile and innovative approach is what makes life ...

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 ...

Analyst, AI/ML Engineer (London, GB)

Location
Greater London, England, United Kingdom
Basic understanding of System Design and Architecture Basic understanding of microservices architecture and distributed system design. Familiarity with application authentication protocols (e.g. OAuth 2.0, JWT), and security best practices. What is it like to work at the EBRD?/About EBRD Our agile and innovative approach is what makes life ...

Senior Security Consultant

Location
Greater London, England, United Kingdom
security architecture and cloud security best practices. Experience securing Java-based microservices and distributed systems. Knowledge of modern authentication and authorisation patterns (OAuth2, OIDC, JWT, etc.). Experience assessing API security risks and controls. Strong stakeholder management and influencing skills. Ability to work independently and operate effectively in fast-moving ...

Lead DevOps Engineer: AWS, Kubernetes & Terraform

Location
Greater London, England, United Kingdom
Used AWS ECS EKS EC2 Terraform Terraform Tests Helm Go Kubernetes Docker GitLab GitLab CI Kong API Gateway Istio OAuth 2.0 OpenID Connect (OIDC) JWT IAM RBAC CloudHSM AWS KMS Secrets Manager Systems Manager Parameter Store Prometheus Grafana Dynatrace Python pytest Node.js JMeter k6 What Success Looks Like After approximately ...

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 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 ...

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 ...

Senior API Platform Engineer

Hiring Organisation
Simplex Services (UK) Ltd
Location
London, United Kingdom
Employment Type
Permanent Contract, Full Time, On-site
Salary
From £60 to £70 per hour
OpenAPI Specification (OAS) for RESTful APIs. · Authentication & authorization: Hands-on experience implementing authentication and authorization at the gateway, including OAuth 2.0, OpenID Connect (OIDC), JWT validation, and mutual TLS (mTLS). · DevOps toolchain: Expertise across the DevOps toolchain, including CI/CD, Kubernetes, and Terraform. In-depth knowledge ...

Backend Python Engineer

Hiring Organisation
Lorien
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 400 - 450 Daily
fast-moving environment. Desirable AWS, Terraform, Kubernetes, and DevOps experience. Exposure to AI/ML and GenAI technologies. Knowledge of OAuth/JWT and modern ML frameworks. Guidant, Carbon60, Lorien & SRG - The Vertage Group Portfolio are acting as an Employment Business in relation to this vacancy. ...

Full-Stack Engineer ×5

Location
Greater London, England, United Kingdom
Celery, including retries, idempotency, search indexing, audit events and notifications. You implement authentication and authorisation end to end: SSO, OTP, session and JWT handling, and role-based checks on every request. Security and compliance (SOC 2, UK GDPR) shape the work: tenant isolation, least-privilege access, audit logging and secure ...

DevOps Software Engineer

Location
Greater London, England, United Kingdom
modern networking and experience using traffic tools for tracing. An appreciation for, and understanding of security, privacy, and cryptography (e.g. PKI, certificate management, JWT). Hands-on experience with SQL/NoSQL databases (e.g. Aurora, DynamoDB, CockroachDB, Oracle). At Apple, we're not all the same. And that ...

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 ...

API Automation Tester

Hiring Organisation
Lorien Resourcing
Location
London, England, United Kingdom
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 efficiency.Essential Skills & ExperienceStrong hands ...

Frontend Software Engineer

Location
Wimbledon, England, United Kingdom
Security Top 10 and ASVS. Strong understanding of API principles: REST, contracts and versioning, pagination, idempotency, error handling and least-privilege (OAuth, SAML, JWT, RBAC). Awareness of software supply-chain hygiene. Familiarity with twelve-factor principles for containerised services. Java and Spring Boot skills sufficient to read and change ...

Frontend Software Engineer

Location
Greater London, England, United Kingdom
Security Top 10 and ASVS. Strong understanding of API principles: REST, contracts and versioning, pagination, idempotency, error handling and least-privilege (OAuth, SAML, JWT, RBAC). Awareness of software supply-chain hygiene. Familiarity with twelve-factor principles for containerised services. Java and Spring Boot skills sufficient to read and change ...