Mid-Level Ruby on Rails Developer

FCamara Consulting & Training

. Develop and maintain scalable, resilient RESTful APIs in Ruby on Rails.

Posted 10/27/2026full-timeRemote • BrazilMid-LevelSeniorWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Proficient in developing and maintaining scalable RESTful APIs using Ruby on Rails, with a strong focus on automated testing, performance optimization, and agile methodologies. Demonstrates ownership and accountability in delivering high-quality technical solutions within multidisciplinary teams.

Highest-signal resume keywords

Ruby On Rails DevelopmentREST API DesignPostgreSQL Data ModelingAutomated Testing (RSpec)AWS Cloud Environments

ATS Keywords

Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills

Ruby On RailsREST APIsPostgreSQLAutomated TestingGitMicroservices ArchitectureDockerKubernetesCI/CD ToolsNoSQL Databases

Soft Skills

Ownership MindsetAutonomyProactivityCollaborationFocus On Delivering Value

Tools & Technologies

GitHubAWS SNS/SQSRedisDocumentDBDynamoDBGitHub ActionsArgo CD

Industry Keywords

Agile MethodologiesClean CodeSOLID PrinciplesPerformance MonitoringSystems-Level Perspective

Tech Stack

Tools & technologies

AWSCloudDockerDynamoDBKubernetesNoSQLPostgresRedisRSpecRubyRuby on RailsTypeScript

About the role

Key responsibilities & impact

Develop and maintain scalable, resilient RESTful APIs in Ruby on Rails.
Participate in the entire development lifecycle: architecture, implementation, automated testing, deployment, and production monitoring.
Contribute to the evolution of the monolithic core, as well as microservices initiatives and integrations with partners such as ERP systems, payment gateways, and external platforms.
Ensure technical quality through code reviews, Clean Code, SOLID principles, and team standards.
Monitor and optimize performance using APM, resource tuning, and query analysis and improvement.
Work in multidisciplinary squads using agile Scrum/Kanban methodologies, collaborating with engineering and product teams.
Work across contexts involving TypeScript and mobile teams and workflows while maintaining a systems-level perspective.

Requirements

What you’ll need

Demonstrated mid-level experience with Ruby on Rails.
Strong command of REST APIs, including design, documentation, and consumption.
Solid experience with PostgreSQL and data modeling.
Experience with Git/GitHub.
Strong familiarity with automated testing, such as RSpec, including unit, integration, and black-box testing.
Experience with cloud environments, particularly AWS.
Ownership mindset, autonomy, proactivity, and a focus on delivering value with technical accountability.
Nice to have: microservices architecture and messaging, including AWS SNS/SQS.
Nice to have: Docker and Kubernetes.
Nice to have: NoSQL databases and caches/queues, including Redis, DocumentDB, and DynamoDB.
Nice to have: experience with CI/CD tools such as GitHub Actions and Argo CD.
Spanish is a plus but not required.

Benefits

Comp & perks

Remote work.
International interactions conducted exclusively through written communication.
Fluency in other languages is not required, although it is a plus.
Strong emphasis on internal teams.
Environment with a strong technical culture and very low employee turnover.
Autonomy for professional development and career growth.
Quality is the developer's direct responsibility, with no separate QA teams.