Skills
A focused toolkit for frontend polish, backend delivery, and production operations.
ReactJS
NextJS
VueJS
NuxtJS
Chakra
Tailwind
Vuetify
ExpressJS
AdonisJS
PostgreSQL
MongoDB
directus
Docker
Nginx
Caprover
Experience
Where I've been shipping production systems
Senior Backend Developer
Peppermint
·
2025 — Present
Building Go microservices behind an API gateway with Kubernetes, Helm and Docker; ownership spans payments, messaging and sales/marketing backends.
- Backend microservices in Go with REST APIs and JWT-based auth.
- Service orchestration with Kubernetes, Helm and Docker.
- API gateway and routing in Go with Cachego and custom middleware.
- Database design across MongoDB and MySQL/MariaDB.
- Payment & transaction systems: Pay-by-Link and wallet flows.
- Messaging & notifications: SMS, mailer, alerts, push notifications.
- Sales & marketing backend backed by Google Cloud Storage and forecasting.
Senior Backend Developer
DR Tech Co., Ltd
·
2023 — 2025
Cross-stack senior role spanning media streaming, DevOps, NodeJS services, computer-vision pipelines and ML for ad targeting.
- Media streaming pipeline in Go with FFmpeg and a bit of C++.
- DevOps with KubeSphere and Docker.
- Backend services in NodeJS with RabbitMQ and MongoDB.
- Face detection and recognition pipelines in Python.
- OCR and text labelling for ID cards and passports in Python.
- AI model and algorithm for targeted ads in TensorFlow.
- Desktop application built with ElectronJS and Vue.
- Web application in Nuxt 3 with Vant4, PrimeVue and Pinia.
CTO
Casstack Co., Ltd
·
2020 — 2023
Led engineering at Casstack: built a Golang chatbot framework, REST APIs, the company website, and the testing/CI culture that kept downtime near zero.
- Built a chatbot framework in Go (~30k LOC) powering customer conversations.
- Designed REST APIs with Express, Knex (query builder) and Objection.js (ORM).
- Shipped the Casstack marketing site in Vue and Vuetify.
- Owned UI/UX for the dashboard, designed in Figma.
- Established testing and CI on GitHub Actions; ran load tests against staging.
- Reduced downtime through automated testing and one-command rollback.
~/peppermint - zsh