pThis 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.
/ph3TOP 3 REASONS TO JOIN US /h3ullibPerks you will love /b: Hybrid woring; ******* paid days off; Top modern sufficient devices /lilibSolid global business /b: No.1 market - 13.7 million B2C users in Japan; 140,000+ paying business customers; Listed in the prime market of Tokyo Stock Exchange /lilibHub of growth support /b: Fintech industry; Tailored LD programs for individual growth /li /ulh3JOB DESCRIPTION /h3ulliDesign and develop services which can handle a massive amount of data /liliDesign good database considering functional and non-functional requirements /liliWrite clean and maintainable code /liliImprove code by continuous refactoring /liliMonitor application performance and fix system failures /li /ulh3REQUIREMENTS /h3h3Must-Have /h3ulli5+ year experience of development with Ruby on Rails /liliGood understanding of SOLID principles, common design patterns and best practices /liliSolid experience with MySQL or PostgreSQL including performance tuning and optimization /liliExperience with complicated system architecture which includes API linkage with external systems /liliExperience with application performance monitoring and opimization /liliExperience with automation testing,



E2E testing /liliExtensive knowledge of web security /liliFamiliarity with CI/CD, Docker /liliExperience of leading a project as a team leader /liliStrong sense of ownership /li /ulh3Nice-To-Have /h3ulliExperience with Amazon Web Services /liliExperience with service operations on production /liliExperience with frontend development (TypeScript, ReactJS/VueJS) /liliExperience of training junior/middle members /li /ulh3OUR BENEFITS /h3h3Caring Mental Physical Recreation: /h3ulliHybrid working: 2 days at the office and 3 days WFH /liliWorking hour: Flexible start 8AM-9AM from Mon-Fri /liliFull salary in probation /liliInsurance: Applied from Probation period /liliSocial Insurance, Health Insurance, Unemployment Insurance (on 100% salary) /liliPrivate health insurance accident insurance.
From Managing level: extra for family members /liliBonus: 13th month salary /lili******* paid days off and more /liliPaternity leave: Extra 5 days /liliAnnual company trip; Quarterly team building /liliWell-equipped facility: Macbook pro, additional monitor,.
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/liliForeign language International technology-related certifications sponsoring /liliExternal internal training courses /liliSoft-skill workshops /liliMonthly and biannual Recognition Awards /liliPerformance salary review: twice/year (Jun Dec) /li /ul #J-*****-Ljbffr

📌 Principal Ruby On Rails Engineer (Maiori)
🏢 Money Forward Vietnam Co.
📍 Maiori