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MIU.DEV
Available for new opportunities

HELMI

Fullstack Engineer · Tech Lead · Go & Node.js

Building scalable platforms and developer tools. Currently leading product engineering at Mengantar.

0+Years of Experience
0+Systems Shipped
0+Engineers Mentored
Portfolio

Selected Work

Pushing the boundaries of what's architecturally possible.

Showing 3 of 4 projects
Backend System DesignFrontend

Berlapak B2B Platform

B2B marketplace platform connecting sellers and distributors for product sourcing. Led end-to-end architecture from API design to frontend delivery.

Next.jsNestJSPostgreSQLGo
Backend System Design

Data Migration Pipeline

ETL service migrating data from MongoDB to ClickHouse using Apache Airflow, and a separate Prefect pipeline moving data to ERPNext for business reporting.

GoApache AirflowPrefectClickHouseMongoDB
Backend System Design

Chatbot Export Service

Improved chatbot service infrastructure with a Go-based export pipeline for reviewed conversation data, enabling analytics and model fine-tuning workflows.

GoNode.jsMongoDBREST APIs
Expertise

The Stack

Technologies I've used to build systems at scale.

TypeScript

Node.js, Nest.js, REST & GraphQL APIs

Go

Backend services, CLI tools, microservices

Architecture

Microservices, event-driven, ETL pipelines

Databases

PostgreSQL, MongoDB, ClickHouse

React / Next.js

Next.js 15, App Router, performance

DevOps

Docker, Airflow, CI/CD, Prefect

Career

The Journey

From first lines of code to leading product engineering.

Contact

Drop a message

Currently open to new opportunities, consulting, or just an interesting conversation about systems design.