at Sun* Inc.

Ruby Engineer (Campaign Sign-on Bonus: Join our family with technology gifts)


Sign-on bonus 12 MILLION VND & AIRPOD for Junior-level candidates

Sign-on bonus 15 MILLION VND & APPLE WATCH for Middle-level candidates

Sign-on bonus 20 MILLION VND & iPhone 13 for Senior-level candidates

Application period: 15/10/2021 – 31/12/2021 and join Sun* before 10/01/2022


Founded in Vietnam in October 2012, with constant effort, Sun currently owns one of the most powerful and qualified Ruby engineer teams in Vietnam. Our members with  passion for Ruby and the ability to develop web applications that have a high interaction between servers and users using this framework


  • Participate in the requirement analysis, system design
  • Participate in company product development or outsource projects with the Japanese market:
  •      + On the server-side: deploy business logic, operate, maintain and ensure the performance of web systems
  •      + Collaborate with the frontend Unit to build website interfaces
  • Research and apply new technologies to improve the quality of existing projects
  • Participate in tech forums/tech shows of the company



  • Have at least 1 year of experience working with Ruby
  • Have knowledge of programming OOP Ruby on Rails, Web Development, DBMS, ORM (working on a lot of content related to database performance, RESTful, SPA is an advantage)
  • Have experience in Unittest: test function, test integration, coverage
  • Be able to Unit Test, have DRY mindset – Works well with HTML, CSS, JavaScript (Jquery, AngularJS, Ajax, …), Bootstrap, JSON, XML,
  • Be proficient in version management and management tools (Git, SVN, Redmine, Jira)
  • Have knowledge of Docker, AWS, CI / CD, deployment

# Senior:

  • Have experience in Ruby projects for over 4 years
  • Master Ruby on Rails, have experience in working with and handling large systems
  • Have experience in OOP, MVC Framework, ORM, RESTful API, Design Patterns
  • Have knowledge of TDD, Testing and be able to implement TDD-thinking, DRY-minded requirements
  • Work well with one of the Databases: MySQL, PostgreSQL, Oracle, …; Having experience in working with Big Data is an advantage.
  • Have experience in working with Cloud, Microservices
  • Be proficient in AWS, Docker; Have knowledge of Infrastructure, Deployment, CI/CD
  • Be proficient in source code management tools: GIT, SVN, and Redmine project, Jira.
  • Work well with HTML, CSS, JavaScript (Jquery, AngularJS, Ajax, …), Bootstrap, JSON, XML, …

Other requirements:

+ Have experience in working for Agile model projects

+ Be able to work in a team as well as work independently

+ Be able to work under high pressure with deadlines, as well as ensure product quality

+ Have good thinking ability, be proactive at work, have a high sense of responsibility to complete the assigned work


# Professional, open-minded and creative environment:

  • Work with colleagues with ideas to change society.
  • Respect different perspectives within a team
  • Strong learning culture to promote individual development
  • The culture of taking risks to experience and thrive

# Focus on individual development

  • Be consulted, accompanied and supported in career development with the career path system (developing in expertise or management direction) that has been studied and tested for many years.
  • Be oriented for individual, group and organization goals
  • Be empowered
  • Be supported to define 3-month or 6-month goal (Goal Define Support)

# Special care for employees

  • Salary: $600-$1800 (Gross) with other allowances (lunch, transportation, beauty care, Japanese and IT certificates, etc.)
  • 13th-month salary & performance bonus
  • Performance review: Twice/year
  • Comprehensive health insurance Sun* Care
  • Seniority Allowance
  • Women care allowance: Women’s physiological leave: 2.5 hours/month; Postpartum leave for female employees with under 1-year-old children: 1 hour/day
  • Policies to support learning activities, knowledge sharing, cultural exchange (Technology Seminar – Tech Expert, Club: Reading, Japanese, Music Club, …)
  • Annual tourism, quarterly team-building activities.
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