API Developer

CMT Services, Inc.; Washington (District of Columbia); Remote; USD 110,000 - 140,000; Full time

Job summary

CMT Services, Inc. is seeking an API Developer to support USDA's Enterprise Human Capital Modernization & Transformation initiative. You will design, develop, and deploy RESTful and event-driven APIs, implement secure authentication, ensure reliability and versioning, and support enterprise integration standards.

The role emphasizes interface development, data exchange, and knowledge transfer through documentation and training. Remote work with occasional on-site meetings in DC is supported.

Qualifications

• 3 to 5 years of progressive professional experience in API development, systems integration, software development, or a related field.
• Experience designing, developing, and deploying RESTful and event-driven APIs for enterprise system integration.
• Experience developing and maintaining API/service definitions, integration specifications, interface control documents, and data mappings with change control and versioning.
• Experience implementing secure authentication, reliability, and versioning for APIs and services.
• Experience supporting end-to-end systems integration, including interface configuration, data exchange modeling, and cross-system workflow coordination.
• Experience configuring and supporting inbound and outbound data interfaces with NFC and USDA legacy systems, including legacy-to-modern interface remediation, testing, and validation.
• Experience troubleshooting integration issues involving connectivity, data transformation, authentication, and performance, and supporting regression, performance, and failover testing.

Responsibilities

• Core Deliverables: Interface development, APIs, integration services, authentication, system connectivity.
• Systems Integration Engineering: APIs, integrations, interface design, ICDs, ETL/ELT pipelines, interface remediation, integration testing
• Databricks Lakehouse Support: Lakehouse architecture, security design, common data model, migration framework, reporting and analytics
• Knowledge Transfer: Training, SOPs, workshops, shadowing sessions, documentation, repository management

Skills

API Development

RESTful APIs

Event-driven APIs

Systems Integration

Security & Authentication

Documentation & Version Control

End-to-End Testing

Legacy System Interfaces

Education

Bachelor's degree in Computer Science/Information Systems/IT/Computer Engineering

Job description

ABOUT US:

CMT Services Inc. is a dynamic and small business supporting Federal, State, and Local government agencies. As an SBA-certified HUBZone, Woman Owned Small Business (WOSB), we deliver quality, professional services to supportthe missions and strategic business goals of our clients.

PositionTitle:

API Developer

Location:

U.S. Department of Agriculture

1400 Independence Ave., SW

Washington, DC 20250

Period of Performance:

Start Date: One 1-year base period plus 1-year option periods

Place of Performance:

Remote (Mostly Remote – needs to be able to attend meetings at USDA in DC)

Position Summary:

The API Developer will support the USDA’s Enterprise Human Capital Modernization & Transformation initiative. In this role, you will design, develops, and deploys RESTful and event-driven APIs. Implements secure authentication, ensure reliability and versioning, and supports enterprise integration standards.

Key Responsibilities:

• Core Deliverables: Interface development, APIs, integration services, authentication, system connectivity.
• Systems Integration Engineering: APIs, integrations, interface design, ICDs, ETL/ELT pipelines, interface remediation, integration testing
• Databricks Lakehouse Support: Lakehouse architecture, security design, common data model, migration framework, reporting and analytics
• Knowledge Transfer: Training, SOPs, workshops, shadowing sessions, documentation, repository management

Required Qualifications:

• Years of Experience: 3 to 5 years of progressive professional experience in API development, systems integration, software development, or a related field.
• API Design, Development, and Deployment: Experience designing, developing, and deploying RESTful and event-driven APIs supporting enterprise system integration.
• Technical Documentation and Version Control: Experience developing and maintaining API/service definitions, integration specifications, interface control documents, and data mappings with change control and versioning.
• API Security, Reliability, and Governance: Experience implementing secure authentication, reliability, and versioning for APIs and services consistent with enterprise integration requirements.
• End-to-End Systems Integration: Experience supporting end-to-end systems integration, including interface configuration, data exchange modeling, and cross-system workflow coordination.
• Legacy Systems Interface Management & Remediation: Experience configuring and supporting inbound and outbound data interfaces with NFC and USDA legacy systems, including legacy-to-modern interface remediation, testing, and validation.
• Integration Troubleshooting and Quality Assurance: Experience troubleshooting integration issues involving connectivity, data transformation, authentication, and performance, and supporting regression, performance, and failover testing.

Education

• Bachelor’s degree in Computer Science, Information Systems, Information Technology, Computer Engineering.

Join Our Team:

At CMT Services, we believe that extraordinary results come from empowering exceptional people. If you're ready to lead innovative projects, solve complex challenges, and contribute to meaningful infrastructure development while advancing your career in a supportive, collaborative environment, we want to hear from you.