Senior Full-stack Ruby Developer

• Work on web and mobile products serving a diverse range of clients and industries.
• Collaborate closely with other developers to build scalable applications using Ruby on Rails and ReactJS/ NodeJS.
• Design, implement, and maintain back-end APIs and business logic using Ruby on Rails.
• Work with Product Owners & Product Designers to translate business requirements into technical designs and solutions.
• Support AI integration by implementing and maintaining API orchestration, background jobs, and async workflows for AI services.
• Apply best practices such as TDD, refactoring, and clean architecture to deliver maintainable code.
• Learn and adopt new tools, frameworks, and technologies to stay current in a fast-evolving environment.

• Minimum 5 years of experience building production systems with Ruby on Rails.
• Experience with React Native, ReactJS, or similar frontend frameworks.
• Strong knowledge of relational databases such as PostgreSQL, MySQL, and SQL fundamentals.
• Experience working with RESTful APIs, authentication, and third-party integrations.
• Exposure to AWS services and cloud-based deployments.
• Familiarity with CI/CD pipelines or improving manual deployment processes.
• Familiarity with Redis for caching and background job coordination.
• Solid understanding of OOP, MVC architecture, and Rails conventions.
• Experience practicing Agile/Scrum methodologies.
• Hands-on experience with TDD, refactoring, and continuous improvement practices.
• Strong written and verbal English communication skills.

• Experience with AI integration would be a plus.
• Experience with ActiveAdmin or similar admin frameworks.

• 3 days remote every week and four full remote weeks per year.
• Gold level Health Insurance coverage from Bao Viet Insurance, a yearly complete Health Check, and social insurance
• All office benefits and full salary during probation.
• Flexible working time starting anytime up to 10 AM, working Monday - Friday with no overtime.
• Unlimited snacks and nice coffee every day.
• Choose from a brand-new Mac or PC device.
• Salary review twice a year, with opportunities for promotions and spot awards.
• 12 days of annual leave per year, with all days not taken paid out in cash, plus 2 sick leave days..
• Yearly Training Budget up to 5 million VND per staff. On top of that, professional coaching program, buddy system, tech talks, agile sessions, and 1on1 private English classes are available
• Yearly company trip, monthly activities, and other Celebrations for special days in the year, such as Women’s Day, YEP, and Christmas.
• Employee-led clubs within the company; games teams, sports teams, etc.
• Modern open-space office with comfortable workspace, a PS4 games room, and chill-out areas.

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