const dev = "Quân"; const role = "Software Engineer"; const skills = [ "Golang", "Python", "Node.js", "Docker" ];
Introduction
Overview.
Software Engineer with 2+ years of experience in backend and product-driven development. Experienced in building scalable APIs, microservices, and real-time systems using Golang and Python. Worked on fintech systems and driver-platform applications with high concurrency requirements. Hands-on experience deploying and maintaining production systems using Docker and CI/CD pipelines. Focused on performance optimization, system reliability, and delivering user-centric solutions.
Mobile App Development
Building cross-platform mobile applications with Flutter and React Native, ensuring high performance and smooth experience on both iOS and Android.
Backend Development
Designing and building backend systems with Golang (gRPC), NestJS, PHP/Laravel. Implementing microservices, REST APIs and WebSocket realtime.
What I have done so far
Work Experience.
Jun 2025 – Present
Software Engineer
Wolffun Game
- Owned backend service development for production products, focusing on reliability, scalability, and performance as request volume increased.
- Designed REST APIs for core business workflows, handling client data and standardizing responses for consuming modules.
- Structured Golang/Python codebases by separating business logic, data access, and API layers to support maintainability and feature growth.
- Optimized request flows, database queries, and Redis caching, reducing database load by around 30% and selected processing flows from about 250ms to 170ms.
- Containerized services with Docker, contributed to CI/CD pipeline maintenance, and supported production incident debugging to reduce user-facing impact.
Jun 2025 – Present
Jan 2024 – Jun 2025
Software Engineer
NewDev
- Contributed to backend development for fintech and ride-hailing products involving users, drivers, payment-related flows, and admin dashboards.
- Designed REST APIs for mobile apps, web dashboards, and internal services, keeping contracts clear for reliable frontend and mobile integration.
- Implemented real-time workflows such as driver-user matching, chat, and notifications, using Redis pub/sub to synchronize events between services.
- Worked with MySQL, PostgreSQL, and MongoDB across different modules while reviewing cross-service flows to reduce unnecessary service calls.
- Packaged services with Docker, supported production deployments, and coordinated with frontend, mobile, and QA teams to verify edge cases from client to backend.
Jan 2024 – Jun 2025
Feb 2023 – Jan 2024
Intern Software Engineer
Trainizi
- Contributed to an online learning platform built with microservices, supporting services for learning flows, content management, and user-data processing.
- Implemented backend modules in Golang with clear business logic, input validation, and standardized responses for the system.
- Built APIs and used gRPC for service-to-service communication, helping define clear contracts between backend modules.
- Worked with MongoDB and developed selected React.js/Next.js interfaces to complete user flows from frontend to backend.
- Supported integration debugging, handled payload mismatches and inconsistent data states, and collaborated within Agile sprint workflows.
Feb 2023 – Jan 2024
My work
Projects.
Real-world projects I've contributed to — from mobile applications, fintech systems to large-scale e-commerce platforms.
Technologies I work with
Tech Stack.
Frontend
5ReactJsNextJs
VueJs
TypeScript
JavaScriptBackend
6GolangPythonNode.js
NestJS
PHP
LaravelMobile
3Flutter
DartReact NativeDatabase
3
MongoDBPostgreSQL
MySQLDevOps & Tools
3Docker
Git
FirebaseGet in touch