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# API/Ruby Developer

- **Company:** Quadrant, Inc.
- **Location:** Edgewater, MD, United States (Remote available)
- **Experience:** Expert
- **Salary:** $135,200.0
- **Contract:** Permanent contract
- **Skills:** Application Programming Interfaces (APIs), Artificial Intelligence, Application Performance Management, Software Quality, Code Review, Relational Databases, PostgreSQL, MySQL, OAuth, Ruby on Rails, Ruby, Secure Coding, Management of Software Versions, Rspec, Software Security, Git, Kubernetes, Production Code, Codebase, Graphql, Api Design, Docker
- **Published:** August 19, 2026
- **Apply:** https://www.careerjet.com/job/usa6c15833dfe15b06c069c445c731a940/eaa

## About the Role

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:
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 (e.g., Sidekiq).
Experience with Spring
Must have a BA

## Description

Design and development of APIs, including specifications, endpoints, data models, and protocols such as REST and GraphQL.
Be hands-on in the codebase, contributing production-grade code for core services.
Work with Technical lead to do code reviews to ensure code quality, maintainability, and security.
Partner 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 the 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
Quadrant is an affirmative action/equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, status as a protected veteran, or status as an individual with a disability. "Healthcare benefits are offered to all eligible employees according to compliance mandated by the Affordable Care Act".


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