Ruby on Rails Developer

5 days ago

India Ajackus Full time

Job Description Role Overview At Ajackus, we build scalable, secure, and high-performing digital products for global clients across fintech, healthtech, AI, and enterprise technology. We are looking for an experienced Mid-Level Ruby on Rails Developer who can work on end-to-end backend development, API design, integrations, and performance optimization. What You'll Do - Develop, maintain, and enhance backend features using Ruby on Rails. - Build RESTful APIs, background jobs, and third-party integrations. - Break down product requirements into clear, actionable technical tasks. - Collaborate with senior engineers on architecture and solution design. - Work with relational databases (PostgreSQL/MySQL): schema design, migrations, query optimization. - Troubleshoot and debug issues across backend systems and integrations. - Participate in code reviews and contribute to improving engineering standards. - Write unit and integration tests to ensure code quality and maintainability. - Work closely with cross-functional teams including QA, product, UI/UX, and DevOps. What We're Looking For - 36 years of professional experience building applications using Ruby on Rails. - Strong understanding of Rails conventions, MVC architecture, and ActiveRecord. - Experience working with relational databases and writing optimized SQL queries. - Familiarity with background job frameworks (Sidekiq/Resque) and caching mechanisms. - Ability to write clean, maintainable, well-tested code. - Experience using AI-assisted coding tools (e.g., GitHub Copilot, Cursor, Claude Code, Codeium, Tabnine) to improve productivity and code quality. - Strong debugging skills and ability to navigate existing/legacy codebases. - Effective communication and collaboration skills. Preferred Qualifications - Exposure to frontend technologies (React/Vue) is a plus. - Experience with AWS/GCP and CI/CD pipelines. - Experience integrating payment gateways, third-party APIs, and external services. - Understanding of secure coding practices and common vulnerabilities. - Prior client-facing experience or involvement in solutioning for global teams. Why Ajackus - Work on mission-driven, global-scale products across modern tech ecosystems. - High ownership, autonomy, and influence in architectural and technical decisions. - Collaborative, transparent, and high-performance engineering culture. - Opportunities to transition into lead architect roles, solution ownership, or cross-domain engineering. - Continuous learning across diverse projects involving AI, automation, distributed systems, and more.

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