Hi, I'm Vachell Christiansen Chai

Software
Engineer

Engineering reliable software by prioritizing high-quality code, long-term maintainability, and deep system observability.

bash Bash
powershell Powershell
git Git
gitLab GitLab
bitbucket Bitbucket
jira Jira
go Go
cSharp CSharp
javaScript JavaScript
mysql Mysql
postgresql Postgresql
mongoDB MongoDB
nodejs Nodejs
tailwindcss Tailwindcss
dotnet Dotnet
echo Echo
bash Bash
powershell Powershell
git Git
gitLab GitLab
bitbucket Bitbucket
jira Jira
go Go
cSharp CSharp
javaScript JavaScript
mysql Mysql
postgresql Postgresql
mongoDB MongoDB
nodejs Nodejs
tailwindcss Tailwindcss
dotnet Dotnet
echo Echo
bash Bash
powershell Powershell
git Git
gitLab GitLab
bitbucket Bitbucket
jira Jira
go Go
cSharp CSharp
javaScript JavaScript
mysql Mysql
postgresql Postgresql
mongoDB MongoDB
nodejs Nodejs
tailwindcss Tailwindcss
dotnet Dotnet
echo Echo

What I do?

  • Backend Engineering
      •
    • Scalable Microservices with Golang, C#, and .NET
      • •
    • Monolith MVC development using Laravel
      • •
    • High-concurrency Batch Processing & RAM optimization
  • Reliability & Observability
      •
    • Distributed tracing with OpenTelemetry & New Relic
      • •
    • Automated code quality & 80%+ coverage via SonarQube
      • •
    • System message clarity & failure mode coverage
  • Cloud & Distributed Systems
      •
    • Event-driven architecture using AWS SQS
      • •
    • Database management with PostgreSQL, Redis, and MongoDB
      • •
    • GitLab CI/CD pipeline integration and maintenance

My experience

Companies

Unictive

Unictive

Junior Software Developer
ruparupa

ruparupa

Backend Developer
TheSoftwarePractice

TheSoftwarePractice

Software Development Engineer
Personal repository on

Let's talk

Contact

I work on APIs, databases, and server-side systems. Happy to connect if you want to discuss backend projects.

Location: Indonesia, Jakarta