Apollo21 cnx

Senior Software Developer

Full-time, Chiang Mai, Thailand
Salary – Starting at 40,000+ / mo. (Negotiable)


  • Design and develop highly scalable, highly available, highly reliable, and highly secured systems
  • Perform code reviews and pair-programming with the development team
  • Fully involve in the whole Software Development Lifecycle and ensure the smoothness of Testing and Deliveries
  • Proactively address and investigate performance issues and bugs
  • Provide mentorship and coaching to junior members of the development team on an as-needed basis
  • Seek to push the Quality of Development standard and results of the Development team
  • Write and Update/Enhance Technical Documentations
  • Provide Estimations together with other Senior team members


  • At least 4 years of experience as a Software Developer or comparable position
  • Very good Communication skills (Active-Listening, Presenting, Writing)
  • Excellent Attitude, Sportsmanship and Resilience
  • Excellent Problem-solving, Planning, and Analytical skills
  • Experience with Development of Platforms such as Web Applications, Mobile Applications, or Data Platform
  • Experience with C# .NET (Preferably .NET Core 6) and/or NodeJS
  • Experience with SQL based Languages (MySQL, MSSQL, PostgreSQL)
  • Familiarity with Agile Development Methodology (Especially Scrum)
  • Able to use ChatGPT to augment your work
  • You see yourself as someone with a friendly nature, has a good sense of humor, and radiates positive energy
  • Experience with React Framework (Typescript) is a plus
  • Experience with Docker/Kubernetes is a plus
  • Experience with one of these Cloud Platforms (GCP, AWS, Azure) is a plus
  • Experience leading teams and mentoring other developers is a plus


  • Working on-site 4 days a week – Work from Anywhere 1 day a week
  • Office Hour 9:00 – 18:00
  • 15 Annual Public Holidays + 7-15 Annual Vacation Leaves
  • Extra 10-Day Parental Leave in addition to the basic Labor Law standard (Both Male/Female) *Condition Applied
  • Afternoon Coffee break every 3 PM
  • Free Snacks and Sweets

Working at APOLLO 21

  • APOLLO 21 places a strong emphasis on establishing a positive company culture where members better themselves in their careers and as a team while finding a good balance in their personal lifestyles
  • We are a small yet highly experienced and performing team where everyone works and supports each other to push the standard of development and engineering to better the outcome for customers
  • APOLLO 21 constantly collaborate with the universities and institutions, international firms, government and local sectors, funded startups and renowned private companies. We strive to deliver the best outcome for our users by working in close collaboration with our customers and partners.

If you like to drive and shape the future of locals and Thailand through innovative solutions that MATTER, come and join us.

Last update – 28.03.2023