Ruby Developer
Confirmed on the employer's own hiring board on Oct 13, 2026. First seen by Alion on Oct 12, 2026.
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.
Ruby Developer
Location: Remote (U.S.)
Salary: $130,000 - $140,000 annually
Clearance: Public Trust Eligibility
Summary
The Ruby Developer will be part of a technical team responsible for designing, developing, and maintaining APIs that enable communication between different software systems. The ideal candidate is a strong Ruby engineer with hands-on development experience and the ability to contribute production-grade code.
Responsibilities
- Design and develop APIs, including specifications, endpoints, data models, and protocols such as REST and GraphQL.
- Contribute production-grade code for core services.
- Partner with the Technical Lead to conduct code reviews and ensure code quality, maintainability, and security.
- Work closely with the Engineering Crew Lead and API Architect to review solution design and deliver robust, scalable solutions.
- Ensure seamless integration of APIs with internal systems, external applications, and third-party services.
- Promote effective use of AI-enabled tools in the API development lifecycle to improve productivity and code quality.
- Create and maintain clear, comprehensive API documentation for consumers, including usage guidance and best practices.
- Implement and uphold security best practices, including authentication, authorization, and encryption.
- Interface with external engineering teams to ensure alignment on technical standards, governance requirements, compliance obligations, and ongoing cATO maintenance.
- Monitor and optimize API performance, reliability, and scalability.
- Manage API versioning and support backward compatibility as services evolve.
- Provide ongoing support, troubleshoot production issues, and implement enhancements based on stakeholder feedback.
- Participate in Tier 1 and Tier 2 on-call operations.
Qualifications & Skills
- 6+ years of strong Ruby on Rails experience.
- Experience with relational databases such as PostgreSQL or MySQL.
- Experience with the RSpec testing framework.
- Strong experience designing, building, and maintaining APIs.
- Ability to lead engineering teams while remaining hands-on with development.
Desirable Skills
- Familiarity with Docker, Kubernetes, and Helm.
- Familiarity with application security principles and secure development practices.
- Familiarity with Git version control.
- Familiarity with OAuth.
- Experience with async job processing tools such as Sidekiq.
- Experience with Spring Boot / Java.
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.