Senior Ruby on Rails Developer

Description

We are looking for a Ruby on Rails Developer to join the engineering team of one of our Health clients, one of the largest health benefits platforms providing access to over 29,000 gyms and present in more than 2,500 cities in Brazil and Mexico. A company with a solid technical culture, very low turnover, and strong appreciation for internal teams. We are looking for curious, proactive professionals with a vision for business impact, who master Flutter but have a genuine willingness to navigate other technologies in the ecosystem (TypeScript and Flutter), understanding the product end-to-end. You will work with great autonomy, allowing you to develop and grow in an environment where quality is the direct responsibility of the developer, without separate QA teams: whoever develops, tests, guarantees, and sustains. **Responsibilities and attributes** **What you will do** * Develop and sustain scalable and resilient RESTful APIs in Ruby on Rails * Participate in the entire development cycle: architecture, implementation, automated testing, deployment, and production monitoring * Act in the evolution of the core (monolith) and also in microservices fronts and integrations with partners (e.g., ERPs, payment gateways, external platforms) * Ensure technical quality via Code Review, engineering best practices (Clean Code, SOLID), and team standards * Monitor and optimize performance: APM, resource tuning, query analysis and improvement * Work in multidisciplinary squads in an agile model (Scrum/Kanban), with close collaboration between engineering and product * Navigate between contexts (when necessary) with teams and flows in TypeScript and mobile, maintaining a systemic vision **Requirements and qualifications** **What we are looking for** * Proven seniority with Ruby on Rails * Mastery of REST APIs (design, documentation, and consumption) * Solid experience with PostgreSQL and data modeling * Experience with Git/GitHub * Strong familiarity with automated testing (e.g., RSpec — and understanding of unit, integration, and black-box testing approaches) * Experience in Cloud (AWS) * Ownership mindset: autonomy, proactivity, and focus on delivering value with technical responsibility **Nice to have** * Microservices Architecture and Messaging (AWS SNS/SQS) * Docker and Kubernetes * NoSQL databases and caches/queues: Redis, DocumentDB, DynamoDB * Experience with CI/CD (e.g., GitHub Actions, Argo CD) * Spanish (not mandatory) **Additional information** **Work model** * Remote work. * Employment under CLT model. * International interactions only through written communication. * Fluency in other languages is not required, but is a plus. **Here we are \#SangueLaranja!** We have been in the market for 17 years, side by side with our clients, providing transformative experiences. We are a technology and innovation ecosystem with global expansion; In addition to Brazil, we are present in Europe and the United Kingdom with offices in Portugal, London, Dubai, and the Netherlands. **F of Formation: we believe in the practice of a sharing culture, a sense of community, and that knowledge** **has the power of transformation!** We have initiatives and social actions that promote development, such as the tech community Orange Juice, the Formation Program, our leadership school, and various partnerships with NGOs and Edtechs. **At FCamara everyone is welcome; for us, Diversity, Respect, and Ethics are non-negotiable elements and are part of our DNA.** **So, are you ready to be part of an amazing team and be the protagonist of your own story?**