Principal RoR Developer

    Location: HCMC, Vietnam

    Industry: Fintech

    KEY RESPONSIBILITIES

    • Design and develop data-intensive services capable of efficiently processing large datasets.
    • Craft well-structured databases that meet both functional requirements and performance needs.
    • Write clean, maintainable, and well-documented code that prioritizes long-term maintainability.
    • Continuously improve code quality through refactoring practices.
    • Proactively monitor application performance, identify bottlenecks, and troubleshoot system failures.
    • Share your knowledge and mentor junior and mid-level developers within the team.

    REQUIREMENTS

    • 5+ years of experience with Ruby on Rails
    • Solid understanding of SOLID principles, design patterns, and best practices
    • In-depth knowledge of relational databases like MySQL or PostgreSQL, including performance optimization techniques
    • Experience designing and implementing complex system architectures with API integrations
    • Proven ability to monitor and optimize application performance
    • Experience with unit testing methodologies
    • Deep understanding of web security principles
    • Familiarity with CI/CD pipelines and Docker containers
    • Excellent communication skills in English
    • Prior experience leading development projects as a team leader
    • Strong sense of ownership and accountability

    NICE TO HAVE

    • Experience with Amazon Web Services
    • Experience managing services in a production environment
    • Familiarity with frontend frameworks (TypeScript, ReactJS/VueJS)
    • Prior experience mentoring junior and mid-level developers

    HOW TO APPLY

    Ms. Luong Ngoc Tuong Vi

    E-mail: vi.luong@ev-search.com

    Interested in this position?

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