Senior Software Engineer (Ruby on Rails)

Description

**Senior Software Engineer (Ruby on Rails) \| Remote Position** Are you a SENIOR engineer passionate about technology, eager to work at a high-growth Fintech with many years in the market, contribute to an amazing project, and seek challenges in innovative initiatives? If your answer is "YES", then join Ecx Pay! Your responsibilities: * Develop and maintain scalable, secure, and high-performance backend applications using Ruby on Rails. * Actively participate in the architecture of new features and improvements to existing applications. * Collaborate with cross-functional teams (frontend, design, product) to deliver complete and integrated solutions. * Write clean, efficient, and testable code, adhering to best development practices. * Conduct code reviews and mentorship to ensure team technical quality and growth. * Identify and resolve application performance, security, and scalability issues. * Contribute to test automation and continuous integration to optimize development workflows. ✅ What we’re looking for: * Solid backend development experience with Ruby on Rails. * Proficiency in relational databases (PostgreSQL, MySQL) and data modeling concepts. * Advanced knowledge of RESTful APIs and integration with external services. * Experience with agile development methodologies (Scrum, Kanban). * Familiarity with automated testing frameworks (RSpec, Minitest, Cucumber) and TDD/BDD. * Ability to solve complex problems and deliver high-quality solutions. * Strong communication skills and ability to work effectively in a team. * Proficient use of AI tools to enhance real-world productivity * Knowledge of frontend technologies such as Vue.js, React, Next.js, Nuxt.js, etc. Nice-to-haves: * Experience with other languages/frameworks (Python, Node.js, Elixir, etc.). * Contributions to open-source projects or participation in developer communities. * Understanding of infrastructure and DevOps (Docker, CI/CD, AWS, etc.) is a plus. * Experience in fintechs and critical integrations. * What we offer: * Remote work and flexible hours * Competitive and negotiable compensation * Compensation growth plan * Ecx Pay Multi-Benefits Card (obviously) * Direct participation in building a solid, innovative, and growing fintech * High-performance team, strong product, highly competitive environment with room for growth * Dynamic and relaxed work environment with a culture of innovation and growth * In addition, we offer access to these partner benefits: Wellhub, Onhappy, and MediQuo (telemedicine, psychology, nutrition, and even veterinary care) Follow us on social media * Website \- ecxpay.com.br * Instagram \- instagram.com/ecx.pay * LinkedIn \- linkedin.com/company/ecxpay