6 Oauth2.0 Jobs

As an experienced Backend Developer with deep expertise in Node.js, I specialize in building secure, scalable, and NHS-compliant systems. I have successfully led full-lifecycle integrations with key NHS Digital APIs, including PDS, GP Connect, and SCR, while ensuring strict adherence to the Supplier Conformance Assessment List (SCAL) process and NHS assurance frameworks. Key Responsibility es & Achievements Backend Development: Developed robust, modular backend services using Node.js and Express.js, following clean architecture and test-driven development principles. NHS API Integration: Led successful integra on of multiple NHS services: PDS (Personal Demographics Service) GP Connect Appointments & Access Record SCR (Summary Care Record) . SCAL & NHS Assurance : Managed the end-to-end NHS onboarding process: Authored and submit ed SCAL documentation on. Coordinated directly with NHS Digital for testing, feedback, and technical assurance. Supported completion on of DCB0129 Clinical Safety documentation. Security & Compliance: Designed and implemented OAuth 2.0 / JWT-based authentication for secure access to Spine-connected services. Ensured full compliance with NHS Digital’s technical, clinical, and governance standards. Testing & Collaboration: Oversaw setup of NHS test environments, performed integra on and protocol-level testing, and resolved interoperability issues. Worked in close collaboration with Clinical Safety Officers, DevOps teams, and third party vendors to ensure smooth deployment and opera on.

Advanced UI-level configurations Infrastructure automation and environment provisioning user migration from legacy identity solutions to Okta Independently Design and implement a complete Okta setup, including integrations and security policies Preferably certified in Okta or related IAM technologies Solid knowledge of OAuth2.0, SAML, OpenID Connect, and IAM best practices Terraform expertise Experience in user migration from legacy identity solutions to Okta Strong skills in Okta Actions, ACUL, and custom access policy design

Responsibilities Calling all innovators - find your future at Fiserv. We're Fiserv, a global leader in Fintech and payments, and we move money and information in a way that moves the world. We connect financial institutions, corporations, merchants, and consumers to one another millions of times a day - quickly, reliably, and securely. Any time you swipe your credit card, pay through a mobile app, or withdraw money from the bank, we're involved. If you want to make an impact on a global scale, come make a difference at Fiserv. Job Title Advisor, Systems Engineering Role and responsibilities Setup & operate Developer Portals and monitoring, analytics modules Design, develop API specifications using OpenAPISpecifications/YAML/JS Develop coding standards, methodology and repeatable process Implement API management solutions using Apigee to include API proxies, rate limiting, security, analytics, monetization and developer portals. Work on Apigee On-Prem/SaaS, Apigee Sense and API BaaS Configure traffic management policies such as spike arrest, message mediation, cache management, security (OAuth2.0, Basic Auth, and API Key) Facilitate development and communication of solutions to technical and business stakeholders Identify technical dependencies and roadblocks proactively and work with cross-functional teams to remove them . Define and deliver Proofs of Concept (PoCs) independently and effectively Thank you for considering employment with Fiserv. Please: Apply using your legal name Complete the step-by-step profile and attach your resume (either is acceptable, both are preferable). Our commitment to Diversity and Inclusion: Fiserv is proud to be an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, gender, gender identity, sexual orientation, age, disability, protected veteran status, or any other category protected by law. Note to agencies: Fiserv does not accept resume submissions from agencies outside of existing agreements. Please do not send resumes to Fiserv associates. Fiserv is not responsible for any fees associated with unsolicited resume submissions. Warning about fake job posts: Please be aware of fraudulent job postings that are not affiliated with Fiserv. Fraudulent job postings may be used by cyber criminals to target your personally identifiable information and/or to steal money or financial information. Any communications from a Fiserv representative will come from a legitimate Fiserv email address.

Job Summary: We are looking for a highly experienced Senior WSO2 Integration Developer with strong expertise in Java, Spring Boot, and enterprise-grade integration platforms. The role demands hands-on skills in designing, implementing, and deploying scalable integrations using the WSO2 Integration Stack, as well as supporting batch, synchronous, and asynchronous communication models. The candidate should be able to work in remote or onsite (Singapore) settings based on project requirements and client engagements. Key Responsibilities: Integration Design & Development Architect and develop robust integration solutions using WSO2 Enterprise Integrator, API Manager, and Identity Server. Develop and manage APIs, Proxy Services, Sequences, and Connectors with Mediation Logic. Create microservices with Java and Spring Boot for integration backends. Handle complex integration use cases involving file-based transfers, event-driven flows (JMS/Kafka), SOAP/REST services, and batch processing jobs. Architecture & Design Apply Enterprise Integration Patterns (EIP), SOA principles, and microservices architecture to design end-to-end workflows. Collaborate with enterprise architects to design integration blueprints aligned with scalability, reusability, and reliability goals. Lead design reviews and ensure adherence to architectural standards and coding best practices. DevOps, CI/CD & Automation Implement CI/CD pipelines using tools like Jenkins, GitLab, Azure DevOps for WSO2 and Java-based deployments. Automate build, deployment, and test lifecycles for APIs and services. Utilize Docker and Kubernetes for containerization and cloud-native deployment. Monitor integration components using logging and observability tools such as ELK, Prometheus, and Grafana. Security & Compliance Design and implement secure APIs and integrations using OAuth2.0, SAML, JWT, TLS/mTLS, and API Gateway policies. Integrate with enterprise identity providers and WSO2 Identity Server for SSO, MFA, and federated identity management. Ensure data privacy, auditability, and compliance with internal security guidelines and external regulatory frameworks (GDPR, PCI-DSS, etc.). Documentation & Support Produce high-quality technical documentation, API specs (Swagger/OpenAPI), and interface contracts. Provide production support, root cause analysis, and performance optimization for integration services. Collaborate with QA, DevOps, Architects, and Business Analysts in Agile/Scrum environments. Mentor junior developers and participate in internal knowledge-sharing sessions. Required Skills & Experience : Core Technical: 7+ years of enterprise development experience in WSO2, Java (11+), and Spring Boot. Deep understanding of WSO2 API Manager, Enterprise Integrator, and Identity Server architecture. Experience with integration protocols (REST, SOAP, JMS, Kafka, MQTT, SFTP, JDBC). Skilled in XSLT, JSON/XML transformation, mediation logic, and Data Services. Batch, Sync, and Async Integration: Proven ability to build and manage: Batch integrations ETL workflows, cron jobs, and scheduled SFTP/FTP-based interfaces. Synchronous integrations real-time API calls, service chaining with request/response flows. Asynchronous/event-driven integrations – message queues, publish-subscribe models, and streaming (e.g., Kafka). CI/CD & Cloud: Experience with CI/CD: Jenkins, GitLab CI, Maven, Gradle, SonarQube, Nexus/Artifactory. Hands-on with Docker, Kubernetes, Helm, and cloud platforms (AWS, GCP, Azure). Familiarity with API monitoring, throttling, analytics, and lifecycle management. Security: Strong foundation in API security, encryption, IAM, and key management. Experience integrating with OAuth2, OpenID Connect, SAML, and LDAP/AD. Desirable Skills (Nice to Have): Experience with Ballerina, Apache Kafka, Apache Camel, or MuleSoft. Exposure to API monetization, multi-tenancy, and API lifecycle governance. Prior experience with Salesforce, SAP, Oracle, or other enterprise system integrations. WSO2 certification or equivalent industry-recognized credentials. Educational Qualifications: Minimum: Professional Bachelor’s degree in Computer Science, Engineering, or a related IT discipline is mandatory. Advanced degrees or certifications in WSO2, Java, or Cloud Technologies are a plus. Soft Skills: Strong communication, analytical thinking, and stakeholder engagement. Ability to work independently and lead technical discussions with cross-functional teams. Proactive, detail-oriented, and committed to high-quality deliverables. Work Arrangement: Work Mode: Remote / Hybrid / Onsite (Singapore) — depends on project or client needs. Must be available during Singapore working hours (GMT+8) for Remote Travel: Occasional travel to client locations may be required (within Singapore or APAC region).

Oracle Visual Builder Cloud Service (VBCS), Oracle Integration Cloud (OIC),REST and SOAP APIs and manage authentication (OAuth 2.0) with Oracle IDCS,Oracle Fusion SCM using Oracle PaaS components,VBCS/OIC development,

Design, develop, and maintain backend APIs and cloud integration services using Azure Logic Apps, .NET/C#, and REST standards. Ensure performance, observability, and security of inter-system communication and automation. Required Candidate profile Developer with strong skills in API design, Azure integration services, C#/.NET backend development, and SQL. Must have hands-on exp with event-driven architecture and enterprise-grade Solutions