Senior Software Engineer (Ruby on Rails) Important: This role is open only to residents in Mexico . Applications from other regions will not be considered. Join MagmaLabs , a leading provider of expert software engineers, dedicated to helping companies achieve their goals across diverse and impactful industries. We are actively seeking a seasoned Senior Software Engineer (Ruby on Rails) to join our fully remote team. In this pivotal role, you'll apply your passion for building scalable, high-performance applications to solve complex challenges for our clients in healthtech, e-commerce, fintech, and various other sectors powered by Ruby on Rails. You'll play a key role in designing, developing, and maintaining robust backend systems, directly contributing to our clients' success and driving innovation within our projects. About the Role Are you a seasoned Senior Software Engineer (Ruby on Rails) passionate about building scalable, high-performance applications? Join our fully remote team and play a pivotal role in designing, developing, and maintaining robust backend systems. You'll be instrumental in shaping the future of our core products, making key architectural decisions that directly enhance user experience and business growth. Your contributions will drive best practices, ensuring the reliability and scalability of our SaaS platforms, e-commerce systems, and high-traffic APIs. If you thrive on solving challenging problems with Ruby on Rails and modern web technologies, we want to hear from you! Responsibilities - Lead the architectural design, development, and continuous evolution of scalable Ruby on Rails backend applications, ensuring long-term maintainability and performance. - Optimize database performance (primarily PostgreSQL) - Design, implement, monitor, and optimize integrations with third-party APIs and services. - Ensure code quality and reliability through automated testing (RSpec, Minitest).. - Participate in code reviews, ensure high-quality standards, and actively mentor team members through knowledge sharing initiatives. - Collaborate cross-functionally with product managers, designers, and other engineers to deliver end-to-end solutions and solve complex interdisciplinary problems - Contribute to infrastructure, deployment processes (Docker, Kubernetes, CI/CD), and performance optimization. - Maintain comprehensive technical documentation and foster knowledge sharing within the team. - Mentor and guide more junior engineers, fostering a culture of knowledge sharing and technical excellence within the team. - Collaborate closely with product managers and other stakeholders to translate business requirements into technical solutions, addressing complex challenges across product lines. Requirements - Minimum of 7 years of software development experience, with at least 5 years focused extensively on Ruby on Rails. - Strong proficiency with PostgreSQL, including schema design and query optimization. - Solid understanding of frontend technologies (HTML, CSS, JavaScript) and third party integrations experience. - Experience with background job processing systems (e.g., Sidekiq, Redis). - Proficiency with version control systems (Git) and secure coding practices. - Strong problem-solving skills and the ability to thrive in a remote, collaborative environment. - Excellent communication skills in English. - Demonstrated ability to take initiative and drive projects to completion independently. - Proven ability to collaborate effectively across time zones and with diverse team members in a remote-first environment. - Experience working within Agile development methodologies (Scrum, Kanban, etc.). - Familiarity with modern Rails ecosystem tools (Hotwire, Turbo, Stimulus) is a plus. Bonus points if you have - Experience with GraphQL and advanced API design. - Familiarity with microservices architecture or refactoring monolithic applications. - Knowledge of Docker, Kubernetes, or cloud platforms (AWS, GCP, Azure). - Exposure to frontend frameworks like React.js or Vue.js. - Understanding of DevOps practices and CI/CD pipelines. About Us We are a team of innovative software professionals dedicated to delivering high-quality solutions across diverse industries. With a proven track record of success, we prioritize excellence, creativity, and the growth of our team members. We are committed to continuous learning and professional development, offering opportunities for mentorship, skill expansion, and career progression within a supportive environment. Join us to work on impactful projects and advance your career as a Senior Ruby on Rails Engineer.

Senior Software Engineer (Ruby on Rails)

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