11 of 11 OAuth2 Jobs in London

Java Developer

Hiring Organisation
Lorien
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
passion for building resilient, scalable systems. Nice to have Experience with Hazelcast, Kafka Connect, Schema Registry, or Confluent Platform. Knowledge of security in payments: OAuth2/OpenID Connect, mTLS, HSMs, tokenisation. Background in performance engineering (JMH, Gatling, k6) and chaos/resilience testing. Cloud experience (AWS/GCP/Azure ...

Technical Lead - Head of Engineering - 2 Days Peterborough or London

Hiring Organisation
ZENZO DIGITAL LTD
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£90,000
testing (Jest, React Testing Library, Cypress) Backend C#, ASP.NET Core/.NET 6+ RESTful and GraphQL APIs Entity Framework Core, LINQ Authentication & authorisation (OAuth2, JWT, Azure AD) Secure coding and API versioning Data & Integration SQL Server, Azure SQL, Cosmos DB ORM optimisation, caching (Redis, Azure Cache for Redis) Data migration ...

Senior Backend Engineer (Telco Integration Lead) Golang

Hiring Organisation
Ventula Consulting Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
cloud platforms (AWS, GCP, or Azure) and containerization technologies (Kubernetes, Docker). ? Deep understanding of API design (REST, gRPC, Webhooks) and API security (OAuth 2.0, mTLS, JWTs). ? Knowledge of (or deep, demonstrable curiosity about) telecommunications protocols and architectures. You must be comfortable talking to network engineers. ? Experience with ...

Cloud Engineer - L3

Hiring Organisation
Global Relay
Location
South London, UK
Employment Type
Full-time
Code tools (ARM, Terraform, Bicep) Understanding of hybrid cloud architectures and secure mail transport using Exchange Hybrid setups Knowledge of authentication protocols (OAuth 2.0, OpenID Connect, SAML) Ability to troubleshoot complex issues across networking, certificates, authentication, and compliance Experience with monitoring and logging tools (Azure Monitor, Log Analytics, Event ...

Lead API Solution Architect

Hiring Organisation
Venn Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£650 - £1,000 per day
cloud environments. Collaborate with enterprise architects and business stakeholders to shape end-to-end solutions. Embed strong API security practices and identity standards (OAuth2, OIDC). Ensure compliance with financial regulations, including data privacy and risk controls. Assess and mitigate security threats in API exposure and integration patterns. Provide technical ...

Electronic Data Interchange Developer

Hiring Organisation
TRIA
Location
South London, UK
Employment Type
Full-time
design and integration (REST, JSON, XML). Familiarity with integration platforms such as MuleSoft, Dell Boomi, or Azure Logic Apps. Understanding of authentication protocols (OAuth2, JWT) and data security best practices. Exposure to ERP systems (SAP, Oracle, NetSuite) and supply chain workflows. Excellent problem-solving and communication skills. If this ...

Cloud Security Identity SME/Architect

Hiring Organisation
Cognizant
Location
London, UK
Employment Type
Full-time
legacy protocol mitigation). Proficiency with Microsoft Entra ID (Azure AD), including Entra Connect, ID Protection, and Permissions Management. Experience with authentication protocols: OAuth2, OIDC, SAML2. Familiarity with Microsoft Defender for Identity and integration with XDR solutions. Automation skills (PowerShell, Graph API) for identity lifecycle and migration tasks. Preferred Experience ...

Principal Full Stack Engineer - React, Typescript, C#, .NET Core, MySQL, AWS Services (serverless)

Hiring Organisation
Smart Sourcer
Location
London, UK
Employment Type
Full-time
/CD (GitHub Actions) and Infrastructure as Code (Terraform, CloudFormation, AWS CDK). Model secure-by-design principles; ensure robust authentication/authorisation (OAuth2, JWT) and data governance. Mentor engineers, set patterns, run PoCs, and unblock complex problems across squads. Champion "Always ship each cycle"; partner with Product to balance … + TypeScript expertise. Proven experience designing event-driven, microservices architectures on AWS with secure, scalable patterns. Deep knowledge of API design, integration, and auth (OAuth2, JWT), with end-to-end performance focus. Strong database fundamentals with MySQL/Aurora: schema design, query optimisation, and performance engineering. Hands-on leader: comfortable ...

Software Engineer (AI Agent Developer)

Hiring Organisation
Randstad Digital
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £750 per day
AI Engineer (Java, Golang) 6 Months Contract Inside IR35 Pay rate- 600- 750 GBP per day Inside IR35 Work mode- Remote We are looking for a passionate (Backend Engineer | AI Engineer | AI Agent Developer) to ...

Software Engineer AI Agent Developer

Hiring Organisation
Randstad Technologies
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£600 - £750 per day
AI Engineer (Java, Golang) 6 Months Contract Inside IR35 Pay rate- 600- 750 GBP per day Inside IR35 Work mode- Remote We are looking for a passionate (Backend Engineer | AI Engineer | AI Agent Developer) to ...

AI Engineer

Hiring Organisation
KBC Technologies UK LTD
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
models into systems using APIs and message brokers such as REST and Kafka. Implement secure systems using modern authentication and authorization standards like OAuth2, JWT, and Azure AD. Apply best practices in AI model evaluation, tuning, and optimization. Work with LLM architectures and frameworks (OpenAI, Anthropic, LangChain, LlamaIndex) to build … grade AI/ML projects, including at least two successful deployments. Strong expertise in: API integration & inter-service communication (REST, Kafka) Authentication/Authorization (OAuth2, JWT, Azure AD) NLP techniques (NER, classification, chunking, summarization, QA) RAG architectures and working with LLMs (OpenAI, Anthropic, etc.) Vector databases (FAISS, Azure AI Search ...