Senior Ruby Developer

GFT Technologies

. Develop and maintain scalable, secure, and high-performance RESTful APIs using Ruby on Rails.

Posted 10/8/2026full-timeRemote • BrazilSeniorWebsite

Core Competencies

Role fit

Core Competencies

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

Demonstrates expertise in developing and maintaining scalable RESTful APIs using Ruby on Rails, with a strong focus on SQL database optimization, application performance, and security. Proficient in agile methodologies, CI/CD processes, and software quality practices such as TDD.

Highest-signal resume keywords

Ruby On Rails DevelopmentSQL Database ManagementREST API DevelopmentAgile MethodologiesCI/CD Processes

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

RubyRuby On RailsSQLREST APIsTDDApplication PerformanceScalabilitySecurityMicroservicesAutomation Tools

Soft Skills

Analytical SkillsProblem-SolvingClear CommunicationCollaborationProactive Improvement

Tools & Technologies

CI/CDAWSAzureGoogle CloudDockerKubernetes

Industry Keywords

Agile DevelopmentContinuous IntegrationContinuous DeliveryObservabilityInfrastructure As Code

Tech Stack

Tools & technologies

AWSAzureCloudDockerKubernetesRubyRuby on RailsSQL

About the role

Key responsibilities & impact

Develop and maintain scalable, secure, and high-performance RESTful APIs using Ruby on Rails.
Design, implement, and optimize relational databases, ensuring efficiency and data integrity.
Identify, analyze, and resolve performance and scalability bottlenecks in applications and services.
Develop and execute unit and integration tests to ensure delivery quality.
Actively participate in agile ceremonies, code reviews, and CI/CD processes.
Document APIs, components, and technical processes.
Promote knowledge sharing within the team.

Requirements

What you’ll need

Experience developing with Ruby and Ruby on Rails.
Strong knowledge of SQL and relational databases.
Experience developing, maintaining, and operating REST APIs.
Knowledge of application performance, scalability, and security.
Experience working with agile development methodologies.
Experience with software quality practices such as TDD (Test-Driven Development).
Knowledge of continuous integration and continuous delivery (CI/CD) processes.
Preferred: experience with application monitoring and observability.
Preferred: knowledge of microservices.
Preferred: experience with cloud services such as AWS, Azure, or Google Cloud.
Preferred: experience with automation tools and infrastructure as code.
Preferred: knowledge of containers and orchestration, especially Docker and Kubernetes.
Strong analytical and problem-solving skills.
Clear and objective communication skills for working with cross-functional teams.
Collaboration and teamwork.
Proactive approach to identifying improvements and optimizing processes.
Organization and attention to detail.
Interest in continuous learning and knowledge sharing.

Benefits

Comp & perks

Flexible benefits card – choose how and where to use it.
Scholarships for undergraduate, graduate, MBA, and language courses.
Certification incentive programs.
Flexible working hours.
Competitive salaries.
Annual performance reviews with a structured career development plan.
International career opportunities.
Wellhub and TotalPass.
Private pension plan.
Childcare assistance.
Medical insurance.
Dental insurance.
Life insurance.