Demo

Integration Solution Engineer

Delta System and Software Inc.
Hartford, CT Contractor
POSTED ON 11/10/2026
AVAILABLE BEFORE 12/9/2026

Title: ISE - Integration Solution Engineer

Duration: Long Term

Location: Hartford, CT (3days Hybrid)

Pay Rate: $75/hr. on C2C

 

Job Description

We are seeking an experienced ISE - Integration Solution Engg with 10-12 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

  • 10-12 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.

 

Preferred Technologies

Kong, IBM API Connect, Apigee, Azure API Management; PingFederate, Microsoft Entra ID, Okta; Kafka or equivalent messaging/event platforms; Docker, Kubernetes, OpenShift/OCP; Splunk or equivalent observability tools.

Salary : $75

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