10 of 10 Contract OAuth2 Jobs in the UK excluding London

Senior Full Stack Engineer

Hiring Organisation
MarkIT Placements
Location
Didcot, Oxfordshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
From £500 to £700 per day
Build well-versioned RESTful APIs aligned to OpenAPI/Swagger, with strong conventions for consistency, idempotency, and backward compatibility. Implement authentication and authorization using OAuth2/OIDC, session management, and fine-grained permissions. Design and maintain event-driven architectures and background processing pipelines (e.g. Celery, Redis Streams, Kafka) to enable ...

GIS Integration Architect

Hiring Organisation
Stackstudio Digital Ltd
Location
Reading, Berkshire, South East, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £500 to £550 per day
flows (feature services, map/geoprocessing services, geo-event streams, ETL pipelines) with robust retry, idempotency, and error handling Implement identity federation (SAML/OAuth2/OpenID Connect, SCIM), role-based access control, and service security Utility Network (Preferred) Guide ArcGIS Utility Network integration patterns: subnetwork updates, network topology validation ...

API Security Architect

Hiring Organisation
Hays Specialist Recruitment Limited
Location
Parkgate Industrial Estate, Knutsford, Cheshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£700 - £750 per day
Proven experience in API security architecture within large-scale environments. Expertise in API gateways (Apigee, Azure API Management, Kong, Mulesoft). Strong knowledge of OAuth2.0, OIDC, JWT, mTLS, TLS, and Zero Trust principles. Deep understanding of OWASP API Security Top 10 and secure design patterns. Experience designing security controls ...

API Security Architect

Hiring Organisation
Eteam Workforce Limited
Location
Knutsford, Cheshire, North West, United Kingdom
Employment Type
Contract
Contract Rate
£740 per day
Proven experience in API security architecture within large-scale environments. Expertise in API gateways (Apigee, Azure API Management, Kong, Mulesoft). Strong knowledge of OAuth2.0, OIDC, JWT, mTLS, TLS, and Zero Trust principles. Deep understanding of OWASP API Security Top 10 and secure design patterns. Experience designing security controls ...

IAM Architect (SC Cleared)

Hiring Organisation
Tria Recruitment
Location
Oxfordshire, South East, United Kingdom
Employment Type
Contract
etc.) Integrate with Microsoft Entra ID Build JML processes & automated workflows Configure RBAC, access certifications & SoD controls Integrate HR/authoritative sources Configure SAML, OAuth2, OIDC, SCIM Troubleshoot provisioning & connector issues Must have: Strong IGA implementation experience Microsoft Entra ID integration experience Identity lifecycle & JML automation expertise Experience with ...

Senior Java Engineer - AWS, API - (2 days on site)

Hiring Organisation
Salt
Location
South East, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £700 per day
containerisation technologies (Docker) and orchestration platforms (ECS/EKS). Ensure code quality through unit, integration, and automated testing. Apply secure coding practices, including OAuth2/JWT authentication and general security best practices. Collaborate with cross-functional teams to deliver high-impact features and improvements. Participate in code reviews, architectural … container orchestration fundamentals (ECS, EKS). Experience with unit testing, integration testing, and automation frameworks. Understanding of security best practices, authentication/authorisation standards (OAuth2, JWT). Experience with SOAP/WSDL, JAXB, and legacy service integration. Experience with test automation and Cucumber. Preferred Attributes Strong proficiency in software engineering ...

Contract) Boomi Integration Engineer

Hiring Organisation
Lynko
Location
Manchester, United Kingdom
Employment Type
Contract
based integrations). Design integrations end-to-end: requirements → mapping → error handling → deployment → monitoring. Develop and publish APIs (REST/SOAP) with appropriate security (OAuth2, basic auth, certificates, IP restrictions). Implement data transformations (JSON/XML/CSV), mapping, validation, enrichment, and canonical models. Set up and manage Boomi ...

Front-End Engineer React / TypeScript

Hiring Organisation
Lorien
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£0 per annum
hydration, SSR/ISR (Next.js). Responsibilities Deliver modular, well-tested SPA components/pages. Integrate with backend APIs (REST/GraphQL), auth flows (OAuth2/OIDC). Collaborate with designers and back-end/AI teams on end-to-end features. Ensure accessibility, performance budgets, and observability (e.g. ...

Azure Platform Engineer

Hiring Organisation
Hays Specialist Recruitment Limited
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£600 - £690 per day
scalable networking patterns using VNets, private endpoints, Application Gateway, WAF, and load balancers. Managing identity and access across platforms with Azure AD, Managed Identities, OAuth2, and OpenID Connect. Creating and maintaining containerized microservices using Docker, Helm, Kustomize, or similar tools. Implementing and optimising observability stacks with Prometheus, Grafana, OpenTelemetry … networking and security best practices. Familiarity with service mesh technologies (e.g., Istio, Linkerd, Open Service Mesh). Strong grasp of authentication and authorization standards (OAuth2, OIDC). Experience implementing robust monitoring, logging, and tracing across distributed systems. Ability to work closely with mobile engineering teams and translate app requirements into ...

Full Stack Engineer - Healthcare - Python, React, Fast API

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£400 - £500 per day
extend FastAPI services, design clean REST APIs, and work with PostgreSQL and SQLAlchemy to manage structured data. You will also contribute to implementing OAuth2 authentication across the stack to enable secure handling of sensitive patient information. The role also involves integrating existing LLM functionality into the product to support conversational … designing and building REST APIs Experience working from Figma designs and collaborating closely with product and design teams Experience implementing authentication flows such as OAuth2 Comfortable working in a fast-paced, small team environment with ownership of features end to end Nice to haves Experience with SQLAlchemy and PostgreSQL Exposure ...