API Integration Specialist

API Integration Specialist

Hybrid schedule : On-site Tuesday Wednesday and Thursday

Active Secret Clearance

Nationwide IT Services NIS is seeking an API Integration Specialist for the following potential opportunity :

• Design develop and maintain RESTful APIs and integration services using Java Spring Boot and microservices patterns.
• Implement API contracts (OpenAPI / Swagger) versioning strategies backward compatibility and deprecation plans.
• Build integrations to internal platforms (identity logging data services) and external partner systems using secure API patterns (OAuth2 / OIDC where applicable).
• Develop message transformation orchestration and mediation logic (JSON / XML) including canonical models when needed.
• Implement resiliency patterns retries with backoff circuit breakers idempotency rate limiting bulkheads and timeouts.
• Integrate microservices with Oracle databases using robust data access patterns (JPA / Hibernate).
• Write and optimize SQL queries stored procedures / packages (if applicable) and ensure efficient indexing and performance.
• Support data mapping validation rules referential integrity and transactional consistency.
• Build automated tests : unit integration contract and regression; support performance / load testing.
• Troubleshoot incidents across environments; perform root cause analysis and implement preventative fixes.

Primary Objectives : Assist in the Discovery Phase activities of gathering user requirements business analysis legacy system analysis Epic / Story creation external data integration planning and product backlog management.

Qualifications :

About Nationwide IT Services

NIS is an IT and Management consulting company that is a CVE-verified Service-Disabled Veteran- Owned Small Business. Our mission is to deliver value-added services to our customers leveraging technology people and industry best practices to implement innovative solutions through our trusted employees and team members.

Our benefits package includes medical dental and vision insurance life and disability insurance 401(k) plan with employer match paid holidays PTO (sick / vacation) commuter benefits employee assistance program (EAP) and educational reimbursement along with Pet Insurance.

Nationwide IT Services Inc. provides equal employment opportunities (EEO) to all qualified applicants regardless of race color religion sex national origin sexual orientation gender identity genetics disability or protected veteran status.

Required Experience :

Manager

Key Skills

Graduate Engineering,Corporate Risk Management,Adobe Photoshop,Big Data,Clinical,Asic

Employment Type : Full-Time

Experience : years

Vacancy : 1