Senior API & Integration Engineer (Remote)

Concept-Solution

Reston (VA)

Remote

USD 170,000 - 180,000

Full time

10 days ago

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Job summary

Concept Solutions, LLC seeks a Senior Integration Engineer to modernize a DoW customer’s portfolio by maintaining integration services, REST APIs, OpenAPI specs, and API gateways to ensure reliable cross-system communication. You will collaborate with platform teams, troubleshoot complex integration incidents, and support legacy interfaces during modernization efforts.

This remote role requires a Top Secret clearance or eligibility and follows a two-week sprint cadence with occasional travel to

Qualifications

7+ years of experience in integration engineering, including REST APIs, OpenAPI specifications, API gateways, and CDC integration patterns.
Demonstrated experience working with legacy interfaces and integrating systems developed by other teams or vendors.
Ability to troubleshoot complex integration issues and support production application environments.
Current favorably adjudicated Tier 5 investigation or active Top Secret clearance.

Responsibilities

Maintain integration services and API gateways across the application portfolio.
Troubleshoot and resolve integration incidents, defects, and connectivity issues to ensure system reliability and continuity.
Maintain integration contracts, correlation identifiers, and acknowledgment mechanisms across connected systems.
Establish and maintain OpenAPI contracts at the platform gateway to standardize existing integrations.
Support the platform team's data feeds and integration requirements.
Work with legacy interfaces and existing application integrations to support modernization without disrupting ongoing operations.