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API Developer Jr.

Roles & Responsibilities

  • Java, Spring Boot, Spring Batch
  • AWS Cloud services
  • Docker, Kubernetes, Helm
  • OpenAPI specification

Requirements:

  • Define and document API specifications, endpoints, data models, and protocols (REST, GraphQL).
  • Build and implement APIs using languages and frameworks such as Java, Python, Ruby, and .NET.
  • Integrate APIs with internal systems, external applications, and third-party services.
  • Write unit, integration, and end-to-end tests; debug and resolve issues to ensure reliability and performance.

Job description

MKS2 Technologies, LLC, an award-winning high growth small business, creates innovative and customer-centric technology solutions in the areas of Cyber Security, Instructional Design and Training, Software Engineering and IT Support Services to improve the security and well-being of our clients. Our commitment to excellence and our “Mission First” orientation has resulted in steady growth and an expanding client base across government agencies. We have employees nationwide and for the past three consecutive years were named one of the fastest growing Veteran-owned companies in the nation. Please take a moment to browse through our website and learn more about what it means to serve with MKS2.


 

 

API Developer – Fully Remote (Temp‑to‑Hire)
Salary: $105,000–$125,000

The VA Lighthouse Program is a major U.S. Department of Veterans Affairs initiative focused on modernizing access to VA data through secure, scalable APIs. The program AI & Engineering team supports this mission by delivering modern engineering practices, accelerating digital transformation, and improving how Veterans, partners, and internal teams access critical information. This fully remote API Developer role is temp‑to‑hire, with conversion eligibility based on client requirements.

 

Role Overview

This position is responsible for designing, developing, and maintaining APIs that power communication across systems within the VA Lighthouse ecosystem. The role combines hands‑on API development, integration engineering, testing, documentation, and collaboration across cross‑functional teams.

 

Key Responsibilities

  • Define and document API specifications, endpoints, data models, and protocols (REST, GraphQL).
  • Build and implement APIs using languages and frameworks such as Java, Python, Ruby, and .NET.
  • Integrate APIs with internal systems, external applications, and third‑party services.
  • Write unit, integration, and end‑to‑end tests; debug and resolve issues to ensure reliability and performance.
  • Maintain clear, comprehensive API documentation, including usage examples and best practices.
  • Implement authentication, authorization, encryption, and other security best practices.
  • Monitor and optimize API performance, scalability, and reliability.
  • Manage API versioning and ensure backward compatibility.
  • Collaborate with front‑end and back‑end developers, architects, QA engineers, and other stakeholders.
  • Provide ongoing support, troubleshoot issues, and implement enhancements based on user feedback.

 

Required Technical Skills

  • Java, Spring Boot, Spring Batch
  • GitHub, GitHub Actions, Git Releases
  • Jaeger and OpenTracing
  • MySQL, Oracle, AWS RDS, Document DBs (DynamoDB, MongoDB)
  • Ruby, Python
  • AWS Cloud services
  • Backstage.io
  • OpenAPI specification
  • Docker, Kubernetes, Helm
  • Familiarity with VA Lighthouse APIs

 


 

Diversity creates a healthier atmosphere: MKS2 Technologies is proud to be an Equal Employment Opportunity / Affirmative Action employer, and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, age, national origin, protected veteran status, disability status, sexual orientation, gender identity or expression, marital status, genetic information, or any other characteristic protected by law.

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