Ruby Developer

MKS2 Technologies

. Design and develop APIs, including specifications, endpoints, data models, and protocols such as REST and GraphQL .

Posted 10/12/2026full-timeRemote • United StatesMid-LevelSenior💰 $130,000 - $140,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in designing and developing APIs, ensuring security best practices, and maintaining high code quality. Proficient in Ruby on Rails, relational databases, and API documentation, with a strong focus on collaboration and integration with external systems.

Highest-signal resume keywords

Ruby On RailsAPI Design And DevelopmentPostgreSQLRSpec Testing FrameworkApplication Security Principles

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

API SpecificationsRESTGraphQLCode ReviewsAPI DocumentationOAuthAsync Job ProcessingSpring BootJavaDocker

Soft Skills

Team LeadershipCollaborationProblem Solving

Tools & Technologies

KubernetesHelmGitSidekiq

Certifications & Qualifications

Public Trust Eligibility

Industry Keywords

Code QualitySecurity Best PracticesAPI PerformanceCompliance ObligationsTechnical Standards

Tech Stack

Tools & technologies

DockerGraphQLJavaKubernetesMySQLPostgresRSpecRubyRuby on RailsSpringSpring BootSpringBoot

About the role

Key responsibilities & impact

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

Requirements

What you’ll need

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
Public Trust Eligibility
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