This role expects a strong security mindset, with a clear understanding of data privacy, credential protection, device security, and the responsible use of corporate systems, tools, and accounts.TOP 3 REASONS TO JOIN USPerks you will love: Hybrid woring; 16 - 24 paid days off; Top modern & sufficient devicesSolid global business: No.1 market - 13.7 million B2C users in Japan; 140,000+ paying business customers; Listed in the prime market of Tokyo Stock ExchangeHub of growth support: Fintech industry; Tailored L&D programs for individual growthJOB DESCRIPTIONDesign and develop services which can handle a massive amount of dataDesign good database considering functional and non-functional requirementsWrite clean and maintainable codeImprove code by continuous refactoringMonitor application performance and fix system failuresREQUIREMENTSMust-Have5+ year experience of development with Ruby on RailsGood understanding of SOLID principles, common design patterns and best practicesSolid experience with MySQL or PostgreSQL including performance tuning and optimizationExperience with complicated system architecture which includes API linkage with external systemsExperience with application performance monitoring and opimizationExperience with automation testing,



E2E testingExtensive knowledge of web securityFamiliarity with CI/CD, DockerExperience of leading a project as a team leaderStrong sense of ownershipNice-To-HaveExperience with Amazon Web ServicesExperience with service operations on productionExperience with frontend development (TypeScript, ReactJS/VueJS)Experience of training junior/middle membersOUR BENEFITSCaring Mental & Physical Recreation:Hybrid working: 2 days at the office and 3 days WFHWorking hour: Flexible start 8AM-9AM from Mon-FriFull salary in probationInsurance: Applied from Probation periodSocial xysqume Insurance, Health Insurance, Unemployment Insurance (on 100% salary)Private health insurance & accident insurance. From Managing level: extra for family membersBonus: 13th month salary16 - 24 paid days off and morePaternity leave: Extra 5 daysAnnual company trip; Quarterly team buildingWell-equipped facility: Macbook pro, additional monitor,..Foreign language & International technology-related certifications sponsoringExternal & internal training coursesSoft-skill workshopsMonthly and biannual Recognition AwardsPerformance & salary review: twice/year (Jun & Dec)#J-18808-Ljbffr

📌 Principal Ruby On Rails Engineer (San Valentino Torio)
🏢 Money Forward Vietnam Co.
📍 San Valentino Torio