10 of 10 Permanent JWT Jobs in London

Java Developer - Payments

Hiring Organisation
Crisil
Location
City of London, London, United Kingdom
unit testing frameworks (JUnit, Mockito) . Prior experience integrating with payment hubs (VolPay, Finastra, FIS, or Temenos) preferred. Understanding of security principles , OAuth2/JWT , and data encryption in financial applications. Strong problem-solving, analytical, and communication skills, with ability to work in an agile, fast-paced environment. ...

Full Stack NextJS Developer

Hiring Organisation
INTEC SELECT LIMITED
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£90,000 - £110,000 per annum
with infrastructure as code (e.g., Terraform, CloudFormation). Experience with CI/CD pipelines and DevOps principles. Experience with authentication/authorization systems (OAuth, JWT, SSO). Exposure to data-heavy or high-scale systems. Experience in intellectual property, brand protection, or compliance-driven industries. Details ...

Full Stack NextJS Developer

Hiring Organisation
INTEC SELECT LIMITED
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£90,000 - £110,000 per annum
Bonus points for: Go or C# backend experience Microservices/DevOps/CI/CD exposure Terraform/infrastructure as code Auth systems (OAuth, JWT, SSO) If you’re interested (or know someone who might be), drop me a message. ...

Lead Integration Engineer

Hiring Organisation
The Curve Group
Location
City of London, London, United Kingdom
Employment Type
Permanent
/Azure DevOps), and relational/non-relational databases. Understanding of integration patterns (pub/sub, API-led, event-driven) and security standards (OAuth2, JWT, TLS, API security). Excellent problem-solving, communication, and collaborative skills; adaptable to changing business needs. A fantastic opportunity to be part of a dynamic ...

Mid-Senior Ruby on Rails Engineer (B2B SaaS | Hybrid | UK)

Hiring Organisation
Transreport
Location
London Area, United Kingdom
tuning and complex queries. Experience with background job processing using Sidekiq and Redis. Solid understanding of RESTful API design, JSON serialization, and authentication (e.g., JWT, SSO). Hands-on experience with AWS services and containerised deployments (Docker). Experience troubleshooting and supporting production systems. Comfortable working within and improving existing ...

AWS Solution Architect

Hiring Organisation
Anson Mccade
Location
London, United Kingdom
Employment Type
Permanent
Salary
£75,000
experience as an AWS Solution Architect (Integration Specialist) with Lambda and Kubernetes (EKS) Strong knowledge of API design and security (API Gateway, OpenAPI, OAuth2, JWT) Experience with cloud-native frameworks such as Flask or FastAPI Solid understanding of Kubernetes security, IAM, encryption, and CI/CD tooling Exposure to enterprise ...

Lead MuleSoft Developer

Hiring Organisation
Alexander Edward James Consulting Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£70,000
/NoSQL), enterprise systems, and cloud platforms (e.g. AWS, Azure). Deep understanding and hands-on experience implementing security protocols such as OAuth 2.0, JWT, and SSL/TLS. Proven experience leading unit testing practices using MUnit and contributing to mature CI/CD pipelines. MuleSoft Certified Developer Level ...

Ruby on Rails Backend Engineer

Hiring Organisation
Rise Technical Recruitment
Location
Fulham, London, United Kingdom
Employment Type
Permanent
Salary
£60000 - £80000/annum Private Healthcare + Holiday + Pensi
background processing via Sidekiq and Redis. You should be highly proficient in building RESTful APIs, managing JSON serialisation, and implementing secure authentication methods like JWT or SSO. Beyond coding, you will possess knowledge of Docker and AWS, alongside the communication skills required to translate complex technical risks into clear operational ...

Front End React Developer

Hiring Organisation
Ascend Consulting
Location
NW7, Mill Hill, Greater London, United Kingdom
Employment Type
Permanent
Salary
£45000 - £75000/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 ...

Full Stack Engineer

Hiring Organisation
Omnis Partners
Location
London Area, United Kingdom
environment: • Frontend: TypeScript, React, Next.js. • Backend: Python (FastAPI or similar), async programming, API design. • Data: Postgres, schema design, performance tuning. • Auth: OAuth/OIDC, JWT, RBAC/ABAC. • AI exposure: LLM integrations, function/tool calling, streaming pipelines, vector DBs, agent-based systems. This is a high-ownership, fast-moving ...