Full-Stack Developer

Si Thu Htet

Full-Stack Developer specializing in scalable platforms, cloud deployments, and payment-driven applications. Experienced in building multi-vendor systems, mobile applications, microservices infrastructure, and enterprise government systems using React, Node.js, Laravel, AWS, and container technologies. Proven track record delivering end-to-end production systems including travel marketplaces, DevOps infrastructure for financial platforms, storage rental systems, and mobile booking applications.

sithuhtet.kosi21@gmail.comMagway, MyanmarGitHub LinkedIn

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About

Who I am

LocationMagway, Myanmar

Emailsithuhtet.kosi21@gmail.com

Phone+95 9781903836

StatusAvailable for work

Skills

What I work with

Frontend

React.jsNext.jsTypeScriptJavaScriptAngularTailwind CSS

Backend

Node.jsExpress.jsPHPLaravelREST APIs

Mobile

React NativeExpo

DevOps & Cloud

AWSDockerDocker SwarmKubernetes (EKS)CI/CD PipelinesBitbucket PipelinesTraefikVault

Database

MySQLPostgreSQLMongoDB

Payment Integration

KBZPayMPUCBPayTelecom Payment Systems

Experience

Where I've worked

07/2024 – Present

Remote, Singapore

Codigo

Full-stack Developer

—Developed scalable React applications focusing on performance optimization and maintainable component architecture.
—Built reusable UI components and implemented modern React hooks and state management.
—Collaborated with backend teams to integrate APIs and deliver production features.
—Optimized rendering performance and reduced unnecessary re-renders.
—Participated in code reviews, debugging, and frontend quality improvements.

08/2023 – 07/2024

Viabells

Full-stack Developer

—Built production web applications using Node.js and Next.js.
—Led Docker containerization initiatives to improve deployment consistency.
—Designed CI/CD pipelines for automated build and deployment workflows.
—Managed AWS infrastructure and implemented Kubernetes deployments.
—Worked closely with cross-functional teams to resolve technical issues and improve delivery.

07/2022 – 08/2023

NayPyiTaw, Myanmar

Securelink Myanmar

Best Team Member Award

Full-stack Developer

—Developed Angular + Laravel enterprise systems and integrations.
—Reduced system overload using Laravel queue jobs for telecom callbacks.
—Integrated payment providers including MPU, CBPay, and telecom operators.
—Optimized database performance and application architecture.
—Managed VPS deployments and SSL configurations.

12/2021 – Present

Global

Freelance Developer

Full-stack Developer

—Delivered enterprise platforms, booking systems, mobile apps, and CMS solutions.
—Worked with global clients on cloud deployments and scalable applications.
—Built full-stack systems covering frontend, backend, DevOps, and mobile development.

Projects

What I've built

ME Travels

Multi-Vendor Travel Package Platform with KBZPay MiniApp

06/2025 – 09/2025

Next.jsNode.jsKBZPayMySQL

—Led end-to-end development with 90%+ ownership.
—Built multi-vendor travel booking marketplace with vendor onboarding.
—Developed backend APIs, booking flows, and admin dashboards.
—Integrated KBZPay Mini App for in-app booking and payments.
—Optimized database performance and deployment pipelines.

Singapore Digital Asset Exchange (SDAX)

DevOps infrastructure for a financial trading platform

AWS EKSDocker SwarmBitbucket CI/CDTraefikVaultDatadog

—Dockerized microservices architecture and deployed using Docker Swarm clusters.
—Implemented CI/CD with Bitbucket Pipelines and configured Datadog monitoring.
—Managed reverse proxy using Traefik.
—Led full migration to AWS EKS Kubernetes infrastructure.

Workstore

Online Storage Rental Platform

ReactNode.jsPostgreSQL

—Built full-stack storage booking platform with pricing logic and rental workflows.
—Designed booking system and customer management modules.
—Optimized database queries and system performance.

Myat Mandalar Tun

Mobile ticket booking & cargo tracking application

React NativeExpoLaravel

—Developed admin and client mobile applications.
—Built ticket booking, cargo checking, bus scheduling, and reporting modules.
—Integrated mobile apps with backend APIs.

DISI

Directorate of Industrial Supervision and Inspection — enterprise government system

AngularLaravelMPU Payment

—Contributed ~75% of development effort.
—Built industrial registration workflows and CMS modules.
—Implemented hierarchical admin roles and permissions.
—Integrated MPU online payment gateway.

Education

Learning & credentials

Academic

Level 5 Diploma in Computing With Cyber Security

NCC Education

09/2025 – 02/2026

Level 4 Diploma in Computing

NCC Education

10/2024 – 09/2025

Bachelor of Business Administration (2nd Year Hons)

Monywa University, Myanmar

2016 – suspended

Certificates

✓Fundamental Information Technology Engineer

✓Harvard CS50x

✓AWS Certified Cloud Practitioner