Java Architect With Open API _Hartford, CT_(Onsite_ Need Local_No Relcoation_F2F Interview)

Role:- Java Open API Architect
Location:- Hartford, CT- Onsite
Employment Type:- Contract
Need Local | No Relocation | F2F Interview |
Exp:- 15+

Role Summary

• We are seeking an experienced ISE - Integration Solution Engg with 15+ years of IT experience and strong expertise in enterprise integration, API architecture, microservices, API security, and API management. The candidate must combine solution architecture leadership with recent hands-on engineering experience.

Key Responsibilities

• Design scalable, secure, resilient, and reusable end-to-end enterprise integration solutions.
• Translate business and technical requirements into integration architecture and detailed technical designs.
• Select appropriate integration patterns: real-time/synchronous, batch/file-based, asynchronous messaging, and event-driven integration.
• Design REST APIs and microservices, including contracts, data models, security, versioning, resiliency, and error handling.
• Drive the full API lifecycle: design, development, security, testing, publishing, monitoring, versioning, maintenance, deprecation, and retirement.
• Create and review OpenAPI/Swagger specifications using YAML/JSON.
• Design secure solutions using SSO, OAuth 2.0, OIDC, JWT, JWKS, scopes/claims, service-to-service authentication, TLS, and mTLS.
• Configure and manage APIs in enterprise API Manager/API Gateway platforms, including routing, policies, traffic management, consumer access, and backend connectivity.
• Lead solution/design reviews, guide engineering teams, and troubleshoot issues across applications, identity providers, gateways, microservices, messaging platforms, and downstream systems.

Architecture & Integration Artifacts

• Strong UML and integration-modeling knowledge, including solution/context, sequence, component, activity, deployment, data-flow, API interaction, security-flow, and event/messaging diagrams; interface specifications; source-to-target mappings; Architecture Decision Records; and OpenAPI specifications.

Required Skills

• 15+ years of IT/software engineering experience with strong integration solution design and architecture expertise.
• Hands-on REST API and microservices design/development using Java/Spring Boot, Node.js, or comparable technologies.
• API full lifecycle management, governance, API Manager/API Gateway, and production support.
• OAuth 2.0, SSO, OIDC, JWT, JWKS, OpenAPI/Swagger, YAML, JSON, REST, and HTTP/HTTPS.
• UML-based integration artifacts, Git, CI/CD, API testing, troubleshooting, observability, and technical leadership.