Principal Ruby on Rails Engineer
freeC's Client

Save Job
Full time
Hiring 1 people
5 years of experience
Ho Chi Minh
Published 17/04/2024

Job Description

  • Track application efficiency and address system issues
  • Write code that is readable and well-maintained.
  • Instruct the middle and junior members.
  • Create and implement services that are capable of managing enormous volumes of data.
  • Refactor code continuously to make it better.
  • Consider both functional and non-functional criteria while designing a good database.


  • More than 5 years of Ruby on Rails development experience
  • Strong MySQL or PostgreSQL expertise, including optimization and performance tuning
  • Solid knowledge of common design patterns, best practices, and SOLID principles
  • Knowledge of CI/CD, Docker
  • Extensive familiarity with web security
  • Familiarity with complex system design, including the connection of external systems through APIs
  • Familiarity with optimizing and monitoring application performance
  • Familiarity with unit testing
  • A strong feeling of possession
  • Proficiency in project management as a team leader
  • English communication


  • Knowledge of front-end programming languages (TypeScript, ReactJS/VueJS)
  • Experience in production service operations
  • Familiarity with Amazon Web Services
  • Knowledge of coaching intermediate and junior members


Ruby on Rails


  • Full salary during the probationary period
  • Performance and salary review: twice/ a year in June and December
  • 13th-month salary
  • Monthly and biannual Recognition Awards
  • An annual health check is provided
  • Various insurances, including Social, Health, and Unemployment Insurance, are applied during the probation period. 
  • Private health and accident insurance are also included, with additional benefits for family members at the Managing level.
  • The hybrid working model allows for 3 days of remote work and 2 days in the office, with flexible start times.
  • The facility is well-equipped, providing items such as a MacBook Pro and additional monitors. 
  • Employees are entitled to 16-24 paid days off, with extra paternity leave days available.
  • The company sponsors foreign language and international technology-related certifications.
  • Annual company trips, quarterly team-building activities, and recreational clubs such as billiards and running.
  • Employees have access to external and internal training courses, soft-skill workshops, and tech seminars.
Company Info
freeC's Client
Ho Chi Minh
101-300 employees
Ho Chi Minh
101-300 employees
IT/ Web


freeC is the Smart Recruiting Platform that leverages matching technology to actively connect hundred of thousand of employers and job seekers. The success of freeC is determined by our success in operating as a unified team. If you're interesting, ambitious, and eager to advance your career with us, explore our vacancies as below. We're excited to have you on board our ship to help us grow fast, deliver on our mission of actively connecting employers and job seekers around Vietnam

Working Address

Lầu 06, Tòa nhà BCONS TOWER II , Số 42/1, Đường Ung Văn Khiêm, Phường 25, Quận Bình Thạnh, TP. HCMView map