Senior API Administrator​/Applications Architect

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Our client is seeking an experienced Senior API Administrator and Developer to support enterprise application architecture and integration initiatives. The selected candidate will act as a technical expert responsible for API architecture, application integration, and enterprise system development to support critical business operations.

• Bachelor’s or Master’s degree from an accredited college or university in Computer Science, Information Systems, or a related field; or
• Four (4) years of equivalent work experience may substitute for education on a year-for-year basis when applicable.

• Minimum seven (7) years of IT experience across multiple technology areas.
• 2–3 years of architecture-level experience in enterprise applications and system integration.
• Advanced to expert knowledge of application architecture, system design, and enterprise integrations.

• Provide architecture and design recommendations aligned with long-term IT strategy.
• Develop enterprise-level applications and integration solutions, including enhancements, interfaces, and features.
• Design and build complex, business-critical software solutions using modern software engineering practices.
• Provide technical expertise in application integration across enterprise systems.
• Develop programming standards, reusable architectures, and development procedures.
• Troubleshoot and resolve complex technical and support issues.
• Apply modern development methodologies and object-oriented programming approaches.
• Research and evaluate emerging technologies for potential business use.
• Serve as a technical expert, mentor, and advisor across multiple development teams.

• Minimum 3 years of hands-on API design and development experience.
• Strong experience with REST APIs, JSON, and HTTP protocols.
• Proficiency with Visual Studio, Azure API Management, Swagger, and Postman.
• Experience developing APIs using C#, .NET Core, and MVC architecture.
• Knowledge of Service-Oriented Architecture (SOA) and enterprise integrations.
• Experience with Web Services (REST, SOAP, WebAPI).
• Strong experience with Microsoft SQL Server (MSSQL) and IBM DB2 (v12/13).
• Experience documenting APIs including URIs, HTTP methods, query parameters, and payload structures.
• Ability to build secure, scalable APIs and backend integrations.
• Strong collaboration skills with frontend developers, UI/UX designers, architects, and project managers.

• Experience working in state government or public sector environments.
• Experience integrating third-party APIs and evaluating API SLAs and rate limits.
• Expertise in API orchestration and complex integration architectures.
• Experience building SDKs and optimizing APIs for frontend consumption.
• Ability to analyze, modify, and extend existing codebases to support evolving requirements.
• Strong knowledge of modern enterprise integration strategies.

• Extensive oral communication skills
• Extensive written communication skills