Mid Fullstack Developer - ROR & Javascript

Zipdev is looking for a talented Full Stack Developer to join our team. This role is ideal for someone with expertise in SQL, JavaScript, and Rails/Ruby who is eager to contribute to a strategic initiative to modernize and streamline our technology stack. Key Responsibilities: * Build API-first backend services in Ruby on Rails * Design reusable backend service architecture + clean interfaces * Design and optimize SQL database schemas for correctness and performance * Build and operate background jobs / async processing * Implement event-driven workflows when needed * Handle high-throughput workloads while keeping systems reliable * Own production reliability: logging, metrics, alerting, incident response * Use safe rollout practices: configuration management, controlled releases, and monitoring * Build systems that securely handle sensitive healthcare data (HIPAA/PCI constraints) * Deliver AI-assisted features with guardrails, monitoring, and operational controls * Working knowledge of HTML, CSS, and JavaScript * 3+ years of experience as a Full Stack Developer. * Strong expertise in JavaScript for back-end development * Solid experience with Rails/Ruby frameworks for building robust and scalable integrations. * Experience with system integrations, APIs, Screen Scraping, and data migration processes. * Proficiency in SQL, with experience working with multiple SQL dialects and writing complex queries. * Ability to collaborate effectively with cross-functional teams and stakeholders. * Strong problem-solving skills and attention to detail. * Excellent communication and documentation skills. * Excellent communication skills in English. * Currently living in Latin America. Preferred Qualifications: * Experience in healthcare technology or similar regulated industries. * Familiarity with legacy system modernization and migration projects. * Proven track record of optimizing system performance and reducing operational costs. **Our Recruitment Process** * Video Interview * 20-minute take-home skills test * 30-minute Call with the Recruiter (project, benefits, etc.) * Interviews directly with the client (depending on the project the # of interviews may vary, this may include an assessment) * Final Offer * Work remotely Monday - Friday, 40 hours a week (no weekends) * Vacation: 10 business days a year * Holidays: 5 National Holidays a year * Company Holidays: 5 Company Holidays a year (Christmas Eve, Christmas Day, New Year's Eve, New Year's Day, Zipdev Day) * Parental Leave * Health Care Reimbursement * Active Lifestyle Reimbursement * Quarterly Home Office Reimbursement * Payroll Deduction Purchase Plans * Longevity Bonus * Continuous Learning Bonus * Access to Training and Professional Development Platforms * Did we mention it's REMOTE?!! One of our core values at Zipdev is "Be authentic." that's why we encourage you to answer the application form in your own words; we are interested in getting to know you, not a digital assistant. Wondering how our remote environment or our payment method work? We've put together some helpful answers in our FAQs at the bottom our our [career site.](https://zipdev.com/careers/%20) Take a look and let us know if you have any other questions!