25 of 25 Contract OAuth2 Jobs

Engineering Tech Lead Node.js Architect

Hiring Organisation
Purview Consultancy Services Ltd
Location
Sheffield, South Yorkshire, Yorkshire, United Kingdom
Employment Type
Contract
tools such as: Prometheus Grafana OpenTelemetry ELK Stack Ability to identify and resolve performance bottlenecks in Node.js applications. Security Strong understanding of: OAuth 2.0 OpenID Connect (OIDC) JWT authentication RBAC/ABAC OWASP Top 10 Secure API development Secrets management Encryption best practices Lead ership Expectations Lead and mentor ...

UI Architect

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £570 per day
tools (e.g., GitHub Copilot) within engineering workflows Nice to Have Event-driven architecture experience (Kafka, async patterns) Observability tools (Prometheus, Grafana, ELK) Frontend security (OAuth2, JWT) Automated testing frameworks (Cypress, Playwright, Jest) Design systems and tooling (Storybook, Figma) Experience in financial services, fintech, or payments environments Reasonable Adjustments: Respect ...

Developer

Hiring Organisation
Parity Network
Location
Edinburgh, City of Edinburgh, United Kingdom
Employment Type
Contract
Contract Rate
£475/day
team members where appropriate. Essential Skills & Experience You'll have significant commercial experience with: Java 17/21 Spring Boot Microservices Spring Security & OAuth 2.0 React & Next.js JavaScript & TypeScript Node.js 18/22 OpenShift RabbitMQ PostgreSQL Jenkins Pipelines GitLab CI/CD You'll also demonstrate experience with: Building ...

Java Engineer

Hiring Organisation
Response Informatics
Location
Belfast, County Antrim, Northern Ireland, United Kingdom
Employment Type
Contract
Contract Rate
From £250 to £300 per day
observability tools such as Prometheus, Grafana, OpenTelemetry, ELK/OpenSearch, or similar. Experience implementing security best practices for APIs and cloud-native services, including OAuth2, mTLS, secrets management patterns. Experience with infrastructure as code tools such as Terraform, CloudFormation etc. Experience improving platform reliability through SLOs, error budgets, capacity planning ...

Software Developer

Hiring Organisation
McGregor Boyall Associates Limited
Location
Edinburgh, Midlothian, Scotland, United Kingdom
Employment Type
Contract
Coach and mentor colleagues while promoting engineering best practices. Essential Skills & Experience Strong commercial experience with Java 17/21 , Spring Boot , Spring Security , OAuth2 and microservices. Experience with React , Next.js , JavaScript/TypeScript and modern frontend development. Hands-on experience with OpenShift , RabbitMQ , PostgreSQL , Jenkins and GitLab CI/ ...

AI Platform Engineer

Hiring Organisation
Hays Technology
Location
Milton Keynes, Buckinghamshire, United Kingdom
Employment Type
Contract
Contract Rate
£600/day £600 p/d Outside IR35
Claude and Gemini. Develop AI agents, workflow automation and Retrieval-Augmented Generation (RAG) solutions. Design and develop integrations using REST APIs, GraphQL, OAuth 2.0 and JWT authentication. Build and support Azure-hosted workloads and Kubernetes-based services. Develop Python services and integrations. Implement Infrastructure as Code using Terraform. Establish ...

Dell Boomi Integration Consultant

Hiring Organisation
Oscar Associates (UK) Limited
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550 per day
frameworks and supporting production environments Strong understanding of API design principles, Enterprise Integration Patterns (EIPs), synchronous/asynchronous messaging and secure authentication protocols including OAuth2 and SAML Must hold active SC Clearance or BPSS (sole UK Nationals only) Desirable Experience: Dell Boomi certification Knowledge of containerisation (Docker/ ...

Java Full Stack Engineer

Hiring Organisation
Third Nexus Group Limited
Location
London, United Kingdom
Employment Type
Permanent, Contract
Salary
£50000 - £90000/annum
applications APIs Microservices Secure DevOps-based releases Technical Skills required Java Spring Boot REST APIs AWS/Azure Angular/React microservices SQL OAuth2/OIDC unit testing secure coding CI/ ...

Java Developer Team Lead

Hiring Organisation
ASA INTERNATIONAL LIMITED T/A ASA RECRUITMENT
Location
Edinburgh, Midlothian, Scotland, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
Up to £585 per day
currency by upgrading to latest LTS version when possible Upgrade rabbitmq Spring boot currency Essential Experience: Java 11+ Spring Boot microservices Spring security and OAuth2 JavaScript UI frameworks, specifically React OpenShift RabbitMQ Elasticsearch Modern DevOps and CI/CD practices including deployment pipelines, Jenkins, and Docker Experience technically leading ...

Mulesoft Developers 2

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £675/day Inside IR35
patterns and best practices. Excellent problem-solving skills and attention to detail. Strong communication and teamwork skills. Experience of security and encryption best practices (OAuth2, JWT, API gateways, encryption standards). Desirable Skills Salesforce certifications such as Salesforce Platform Developer, MuleSoft Certified Developer, or equivalent. Experience with DevOps practices ...

IAM Solutions Architect Contract

Hiring Organisation
Cathcart Technology
Location
Sheffield, South Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
£575 - £600/day
roadmap. Essential Skills & Experience Strong background in Enterprise Solution Architecture Extensive experience delivering Identity & Access Management (IAM) solutions Authentication, Authorisation and Identity Federation (OIDC, OAuth2, SAML, SCIM) Zero Trust Architecture Agent Identity and Workload Identity Cloud Architecture, particularly Google Cloud Platform (GCP) Kubernetes and Service Mesh API Architecture ...

Mulesoft Developer

Hiring Organisation
Damia Group Ltd
Location
United Kingdom
Employment Type
Contract
Contract Rate
£600 - £700 per day
patterns and best practices. Excellent problem-solving skills and attention to detail. Strong communication and teamwork skills. Experience of security and encryption best practices (OAuth2, JWT, API gateways, encryption standards). Desirable Skills Salesforce certifications such as Salesforce Platform Developer, MuleSoft Certified Developer, or equivalent. Experience with DevOps practices ...

MuleSoft Developer

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £675/day Inside remote working
enterprise applications. Solid Java development skills. Strong understanding of REST and SOAP APIs, JSON, XML and data transformation. Experience implementing secure integration solutions using OAuth2, JWT, API gateways and encryption standards. Excellent analytical and problem-solving skills. Strong communication skills with the ability to work effectively across technical and business ...

Platform Engineer

Hiring Organisation
DNS Info Ltd
Location
Glasgow, Glasgow City, City of Glasgow, United Kingdom
Employment Type
Contract
patterns Production Kubernetes experience (EKS and/or on-prem clusters) - Helm charts, HPA, PodDisruptionBudgets, NetworkPolicy, namespace isolation, ArgoCD GitOps Deep understanding of OAuth 2.0/OIDC/PKCE flows, DPoP sender-constrained tokens, mTLS, and session management patterns Experience with OPA (Open Policy Agent) policy authoring in Rego ...

Senior Python Developer (SC Cleared)

Hiring Organisation
scrumconnect ltd
Location
United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
with internal and third-party services. Develop applications following GOV.UK Frontend design principles and standards. Implement secure authentication and authorisation using OIDC and OAuth 2.0 . Develop and maintain PostgreSQL database schemas, queries, and migrations. Containerise applications using Docker and Docker Compose for local development and deployment. Participate … teams. Strong knowledge of GOV.UK Frontend and Government Digital Service (GDS) standards. Good understanding of authentication and authorisation protocols, including: OpenID Connect (OIDC) OAuth 2.0 Experience using Docker and Docker Compose for application development. Excellent understanding of PostgreSQL , including database design and optimisation. Experience developing RESTful APIs. Strong debugging ...

Platform Engineer

Hiring Organisation
Pracyva ltd
Location
Glasgow, Glasgow City, City of Glasgow, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £450/day
patterns Production Kubernetes experience (EKS and/or on-prem clusters) - Helm charts, HPA, PodDisruptionBudgets, NetworkPolicy, namespace isolation, ArgoCD GitOps Deep understanding of OAuth 2.0/OIDC/PKCE flows, DPoP sender-constrained tokens, mTLS, and session management patterns Experience with OPA (Open Policy Agent) policy authoring in Rego ...

Solution Architect - Azure ADB2C - CIAM

Hiring Organisation
SR2
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£650 - £750/day
Microsoft Entra External ID. Deep understanding of CIAM architecture and customer identity lifecycle management. Strong knowledge of authentication and federation standards, including OAuth 2.0, OpenID Connect and SAML. Experience designing consent and preference management solutions. Strong understanding of privacy-by-design, GDPR and customer data requirements. Experience integrating identity ...

IAM Solution Architect

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
Corsham, Wiltshire, United Kingdom
Employment Type
Contract
Contract Rate
£680 - £720/day
Solution or Technical Architect delivering Microsoft identity solutions. Strong knowledge of Active Directory , ADFS , Windows Server 2022 , and enterprise IAM. Experience with SAML , OAuth 2.0 , OpenID Connect , SSO, and RBAC. Good understanding of networking, DNS, firewalls, routing, and load balancing. Excellent communication and stakeholder management skills. Experience working within ...

Security Architect (IAM)

Hiring Organisation
SR2
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £600/day Outside IR35
Zero Trust principles. Experience designing Attribute-Based Access Control (ABAC) solutions and policy-as-code using Open Policy Agent (OPA). Strong understanding of OAuth2, OpenID Connect (OIDC), SAML and SCIM. Experience securing cloud-native, API-driven and distributed systems. Knowledge of threat modelling, security non-functional requirements and security ...

Identity and Access Management Specialist

Hiring Organisation
ISR RECRUITMENT LIMITED
Location
Nationwide, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £625/day (Outside IR35)
Strong knowledge of federated identity, trust frameworks (e.g. Zero Trust) and IAM. Strong understanding of cloud, API and distributed system security. Practical experience with OAuth2, OpenID Connect, SAML and SCIM. Practical experience designing ABAC and policy-based access control solutions. Practical experience with Open Policy Agent and policy-as-code ...

Java Developer

Hiring Organisation
ASA INTERNATIONAL LIMITED T/A ASA RECRUITMENT
Location
Edinburgh, Midlothian, Scotland, United Kingdom
Employment Type
Contract
Contract Rate
Up to £490 per day
ASA Recruitments client, a public sector organisation with offices in Edinburgh and Glasgow, is currently looking to recruit a Java Developer for an initial 6 month contract on a rate of up to £490/ ...

Full Stack Developer

Hiring Organisation
Technical Staffing Resources Limited
Location
Leatherhead, Surrey, South East, United Kingdom
Employment Type
Contract
Contract Rate
Up to £60 per hour
Technical Staffing Resources (TSR) are the in-house agency and master vendor for KBR who are a leading global engineering, construction, and services company. KBR support the hydrocarbon and government services markets on six continents. ...

Oracle Fusion Technical Integration Consultant - 12 months

Hiring Organisation
Trova Consulting
Location
United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
based integrations using XML, JSON, XSD and XSLT transformations. Configure inbound and outbound interfaces, FTP integrations and orchestration processes. Implement secure integration patterns using OAuth2, certificates and OCI Vault. Work with Fusion data models, including FBDI, HDL and BICC artefacts. Support integration testing, troubleshooting and deployment activities. Collaborate with architects … Suite (SOA) Oracle Service Bus (OSB) REST & SOAP Web Services XML, JSON, XSD and XSLT Oracle Integration Adapters Experience implementing secure integrations using OAuth2, certificates and OCI Vault. Strong knowledge of Oracle Fusion integration capabilities, including APIs, Events, File-Based Data Import (FBDI), HDL, BICC and FTP interfaces. Experience supporting ...

Senior engineer - Identity & Token Security

Hiring Organisation
Opus Recruitment Solutions
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £600/day Remote - Once or twice a month onsite
Start Date: ASAP End Date: 18/12/2026 Active SC Clearance Location: Remote/Hybrid (UK-based) Responsibilities Design and implement OAuth 2.0 Token Exchange (RFC 8693) capabilities. Develop secure identity delegation and propagation patterns across distributed services. Implement token down-scoping and audience restriction mechanisms aligned … zero-trust environments. Build and maintain robust JWT validation and cryptographic trust chains. Integrate applications and services using OpenID Connect (OIDC) standards Essential: OAuth 2.0 & Identity Standards Proven hands-on implementation experience with OAuth 2.0 Token Exchange (RFC 8693). Strong understanding of OpenID Connect (OIDC) core specifications. ...

IAM Specialist

Hiring Organisation
Profectus Recruitment
Location
Abingdon, Oxfordshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £550 per day
Entra ID, SaaS and on-prem systems Implement access certifications, RBAC models and segregation of duties controls Configure SSO and federation using SAML, OAuth 2.0, OpenID Connect and SCIM Troubleshoot provisioning, synchronisation and connector issues Maintain technical documentation and support audit and compliance activities Essential Skills and Experience Hands … Solid understanding of joiner mover leaver automation and identity lifecycle management Experience building approval workflows and access request processes Strong knowledge of SAML, OAuth 2.0, OpenID Connect and SCIM Knowledge of Active Directory, LDAP and hybrid identity Working knowledge of ISO 27001 and NIST CSF Strong troubleshooting and documentation ...