Senior Backend Engineer
Back-end Engineer
Available for hire
Years of
experience
6+ years
Experience
level
Senior
Available
for
Full-time, Part-time, Contract, Freelance
Available from
11 Aug 2026
Backend Software Developer with expertise in enhancing e-commerce platforms. Proficient in Go, Python, JavaScript, C#, and SQL. Throughout my career, I have helped an e-commerce system with over 3 million customers in Indonesia to eliminate more than 70% of business-critical errors. Recently, I'm helping a growing e-commerce platform to build a scalable backend services that integrates with various payment methods and Meta's Catalog API. I'm looking for a job that can maximize my expertise so that I can contribute a meaningful legacy to the project and I can grow and learn with the platform.
Skills
JavaScript
TypeScript
Scrum
Laravel
React.js
Vue.js
Node.js
SQL
Redis
Docker
AWS
GitLab
NuGet
REST
Kubernetes
Microservices
Supabase
jQuery
JSON
npm
Jenkins
Netlify
JWT
PostgreSQL
MySQL
Firebase
SQLite
Firestore
RabbitMQ
Git
GitHub
Figma
MVC
Payment gateways
E-commerce
Domain Driven Development
HTML
Python
PHP
Go
Hetzner
.NET
Grafana
C#
Prometheus
Languages
Employment History
SENIOR BACKEND ENGINEER at
Jatis Mobile (PT Informasi Teknologi Indonesia)
Current
2024
-
Now
Designed and implemented scalable RESTful microservice architecture for e-commerce application using Go with Echo framework which performed 80% faster and reduced 50% memory usage than the existing application.
Architected JWT-based authentication mechanism to be utilized with an API Gateway for RESTful microservice architecture which simplified user authentication and increased application security by 95%.
Improved e-commerce payment service performance, lowered application error by 90% and resource usage by 50%.
Led and managed development team for e-commerce application and services.
Pioneered centralized documentation system to be used by all employees, improving documentation sharing and eliminating lost document problem by 90%.
BACKEND ENGINEER at
Jatis Mobile (PT Informasi Teknologi Indonesia)
2022
-
2024
Developed and enhanced e-commerce application that incorporated WhatsApp Catalog and Meta Conversion API to improve functionality and user experience using Go with Gin framework which increased revenue by 30%.
Optimized shipping and payment service for e-commerce application which reduced unnecessary API calls by 50% and simplified business operational.
Implemented new notification channel using email for e-commerce admins, reducing unattended order by 30%.
BACKEND SOFTWARE DEVELOPER at
Indomaret Group (PT Indomarco Prismatama)
2021
-
2022
Initiated and led development team for Sales Performance Monitoring dashboard using ASP .NET and JavaScript jQuery that improved response and decision making time of the support team by 50% in 3 months.
Developed .NET WebAPI service for communicating and parsing messages from WhatsApp that is used to authenticate more than 3 million e-commerce user.
Maintained and enhanced performance of RESTful .NET WebAPI e-commerce backend services which bridges communication between third party clients including shipping service and offline stores across Indonesia by 80%.
SOFTWARE DEVELOPER INTERNSHIP at
Indomaret Group (PT Indomarco Prismatama)
2020
-
2021
Performed bug fixing and performance improvements for e-commerce application mainly in backend services using .NET Framework, eliminating 70% application errors.
Education
Bachelor of Informatics at
Universitas Kristen Duta Wacana
2017
-
2021