14 of 14 Contract OAuth2 Jobs in England

Developer

Hiring Organisation
InfinityQuest Ltd,
Location
Sheffield, South Yorkshire, Yorkshire, United Kingdom
Employment Type
Contract
APIs (Cloud Run, Cloud Functions, GKE). Deep understanding of event-driven architectures , Pub/Sub, message processing, and workflow automation. Strong knowledge of OAuth2, OIDC, JWT, SAML , and identity federation patterns. Proficiency in Terraform or equivalent IaC tools. Experience using API gateways, reverse proxies, or service mesh technologies. Soft ...

Application Developer

Hiring Organisation
VANLOQ LIMITED
Location
Sheffield, South Yorkshire, Yorkshire, United Kingdom
Employment Type
Contract, Work From Home
provisioning, and orchestration Build secure, scalable RESTful APIs supporting identity, access, and governance use cases Integrate APIs with authentication and token services using OAuth2, OIDC, JWT, and federation standards Develop event-driven architectures using Pub/Sub to support asynchronous identity and access workflows Build cloud-native services using Cloud ...

Technical Lead/Senior Backend Engineer (Golang / Java Microservices)

Hiring Organisation
KBC Technologies UK LTD
Location
Bristol, Avon, England, United Kingdom
Employment Type
Contractor
Contract Rate
£300 - £400 per day
RESTful Web Services) – mandatory Java, Microservices, Spring & Spring Boot Hands-on experience implementing microservices architectures REST API design and development Microservices authorization using OAuth 2.0 Java 8+, including multithreading Spring modules: AOP, Spring Boot, Spring Data JPA Experience troubleshooting performance and security issues in production Solid understanding of design ...

Senior C# Developer

Hiring Organisation
Adecco
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
React/TypeScript , and relational databases ( SQL Server , Oracle ). Refactor legacy systems to reduce technical debt and improve performance. Implement modern security patterns (OAuth2/OpenID Connect, OWASP principles). Optimise database queries and schemas; ensure safe migrations. Participate in CI/CD processes, code reviews, and adhere ...

Senior Backend Developer

Hiring Organisation
DCV Technologies Limited
Location
Manchester, North West, United Kingdom
Employment Type
Contract, Work From Home
technical quality. Key Responsibilities Design and build scalable backend services using Java or Kotlin and Spring Boot Develop secure, mobile-facing APIs using OAuth 2.0 and modern authentication patterns Work with microservices and event-driven architectures Deploy and support services in AWS/cloud environments Apply TDD/ ...

Back end Engineer

Hiring Organisation
Lorien
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
contract uk wide hybrid Core skills Java, Spring Boot, Spring Data/JPA (Hibernate), PostgreSQL. Eventing: Kafka; RESTful APIs (GraphQL a plus). Security: OAuth2/OIDC, secrets management, secure coding. CI/CD and containerisation: Docker; deploy to AWS and/or PCF on-prem. Responsibilities Own services ...

Application Developer

Hiring Organisation
InfinityQuest Ltd,
Location
Sheffield, South Yorkshire, Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
£500 per day
APIs (Cloud Run, Cloud Functions, GKE). Deep understanding of event-driven architectures , Pub/Sub, message processing, and workflow automation. Strong knowledge of OAuth2, OIDC, JWT, SAML , and identity federation patterns. Proficiency in Terraform or equivalent IaC tools. Experience using API gateways, reverse proxies, or service mesh technologies. ...

ForgeRock and Ping AIC Engineer

Hiring Organisation
Stackstudio Digital Ltd
Location
Leamington Spa, Warwickshire, West Midlands, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £450 to £500 per day
scripting languages (e.g., Java, JavaScript, Groovy). Implement Single Sign-On (SSO), Multi-Factor Authentication (MFA), and Federation using protocols like SAML, OAuth 2.0, and OpenID Connect. Configure and manage directories (LDAP, Active Directory) in conjunction with the IAM platforms. Automate deployment and configuration tasks using tools like Ansible ...

Solution Architect - IAM platform

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
Corsham, Wiltshire, Whitley, United Kingdom
Employment Type
Contract
Contract Rate
£700 - £715/day
architecture and management. ADFS configuration, federation trusts, and claims-based authentication. Federation with on-premise identity providers using industry standards such as SAML, OAuth 2.0, and OpenID Connect. Strong background in SSO design, RBAC implementation, and identity governance. Solid understanding of networking fundamentals, including DNS, routing, firewalls, and load ...

Open Banking Solution Architect

Hiring Organisation
Stackstudio Digital Ltd
Location
Milton Keynes, Buckinghamshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
From £550 to £600 per day
with core banking and payments execution platforms. API, Security, and Standards Strong experience designing secure, scalable APIs using RESTful principles. Deep understanding of OAuth 2.0, OpenID Connect, mutual TLS, certificates, token management, and consent-driven access control. Experience interpreting and applying standards such as OpenAPI, FAPI, and relevant regulatory ...

Identity Solution Engineer - DV Cleared

Hiring Organisation
CBSbutler Holdings Limited
Location
Corsham, Wiltshire, South West, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £515 per day
Policy, and security configuration. ADFS deployment and configuration, including claims-based authentication and trust establishment. Federating with on-premise identity providers using SAML , OAuth 2.0 , and OpenID Connect . Solid understanding of SSO , RBAC , and secure authentication practices. Good knowledge of networking fundamentals (DNS, routing, load balancing, firewalls ...

C# .NET Core Developer - Hybrid - Banking

Hiring Organisation
GCS
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £415/day Inside IR35
observability, and raising automated test coverage within CI/CD. Embed modern security patterns and controls across web services: strong authentication/authorization (e.g., OAuth2/OpenID Connect), token-based access, secure session management, least privilege/role-based access, mTLS/TLS hardening, secure secrets handling, input validation ...

Senior Technical Integration Manager (Oracle Fusion Cloud)

Hiring Organisation
Circle Group
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£600 - £700 per day
years of experience in integration development , with at least 5 + years demonstrated experience with OIC Experience securing integrations via OCI Vault , certificates, and OAuth2 tokens Good/strong understanding of oracle fusion cloud implementation Proven hands-on expertise designing and building integrations using OIC adapters, REST/SOAP APIs ...

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 ...