Backend Developer

  • Development of technology products; technology support tools for products.
  • Analysis and development of services, systems, APIs for system integration.
  • Participate in maintenance and upgrade of existing technology products and services to ensure stable performance of the product.
  •  Proposing new technology solutions and trends to improve product quality

What will you do?


  • Proficient in at least one of the following languages: Golang, Java, PHP, Python, Javascript, Ruby, Git ...(Unlimited programming language, welcome all candidates who want to do technology to use at OCG)
  • Knowledgeable about software engineering, microservice.
  • Knowledge and experience in database (sql + nosql) is an advantage.
  • Candidates with experience building large-scale web applications are preferred.
  • Have a desire to learn new techniques, build products, apply at a large scale.
  • Eager to learn new languages and technologies to solve problems.
  • Good reading comprehension of specialized English documents.


  • Competitive NET salary package
  • 13th month salary
  • 1–4 month salary as annual performance bonus
  • Opportunities to have stock options of a million-dollar company
  • Review salary per 6 months


Working Environment

  • Leave Paid: 12 days for annual leave
  • Remote: 24 remote working day per year
  • Working day: Monday - Friday
  • Dynamic, flexible and equal working environment
  • Working with a team full of young and passionate talents
  • Free lunch at the office cooked by our own chef
  • Boosting your creativity and productivity at work to the highest level at our modern working place
  • Flexible working hours, no dress code
  • Travelling with the company every year

Training and self-development

  • Being updated with new technologies (Machine Learning, Artificial Intelligence, Nosql, System Design,…)
  • Having chances to provide solutions for real e-commerce problems
  • Learning from the best in the field

Technologies we used

  • Golang/High performance, High availability in-house microservice platform.
  • Vue.js / jQuery / NodeJS / ES6.PHP / Symfony2 / MVC frameworks.
  • RabbitMQ/ KafkaMysqlRedis / ElasticSearch / MongoDB.NIX.
  • Java, Scala / Spark / Hadoop / HBase.
  • Google Cloud Platform, DigitalOcean, BigQuery, Amazon S3.
  • Scikitlearn, Tensorflow, word2vec…and many other ML/AI technologies.


130 Trung Phung Street, Dong Da District, Hanoi

2/3a Nguyen Thi Minh Khai Street, Da Kao Ward, District 1, HCMC