Integration Solution Engg - Hybrid Role

Role: Integration Solution Engg
Location: Hartford, CT (3days Hybrid)
Contract Role

Role Summary

We are seeking an experienced ISE - Integration Solution Engg with 12+ 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

· 12+ 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.