👋 Hi, I'm Thien Pham

Senior Fullstack Developer
Backend • Web • Mobile

📍 Ho Chi Minh, Vietnam • 🌏 Open for global collaboration

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🚀 Professional Summary

Senior Fullstack Developer with 8+ years of experience across backend, frontend, and mobile platforms.
Strong background in Node.js (NestJS), Next.js, PostgreSQL, AWS, and Flutter / Android.

• Built and maintained large-scale production systems
• Published mobile applications with 500k+ users
• Experienced in end-to-end delivery: system design → implementation → deployment → maintenance
• Comfortable working with international teams (Singapore clients, English communication)

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🧠 Core Expertise

Backend & Cloud

• Node.js, NestJS, REST APIs, Microservices
• PostgreSQL, MySQL, DynamoDB
• AWS: EC2, S3, RDS, Lambda, SQS, SNS, CloudFormation
• CI/CD with GitHub Actions
• Docker, Kubernetes (EKS), Helm

Frontend & Mobile

• Next.js, React.js
• Flutter (Android & iOS)
• Native Android (Kotlin, Java)
• MVVM, Clean Architecture, Performance Optimization

Engineering Practices

• System design & scalability
• Clean architecture & maintainable code
• Unit / Integration testing
• Agile / Scrum, Jira, Git

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🏢 Professional Experience

Senior Fullstack Engineer

Romulus Digital – Client: NCS Group (Singapore)
04/2022 – 10/2025

• Designed and developed fullstack systems for enterprise clients
• Built backend services using NestJS, PostgreSQL, DynamoDB
• Implemented microservices with AWS SQS/SNS
• Developed web apps using React.js / Next.js
• Delivered complete Flutter applications end-to-end
• Deployed and maintained production systems on AWS
• Handled CI/CD, monitoring, bug fixing, and system maintenance

Tech Stack:
Node.js, NestJS, Next.js, React, Flutter, AWS, PostgreSQL, DynamoDB, Docker, Kubernetes

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Android Developer

NAVIGOS GROUP (VietnamWorks App)
09/2019 – 06/2021

• Maintained and evolved the VietnamWorks Android application
• Led full app lifecycle: design → development → testing → release
• Improved app startup time and performance
• Achieved 99%+ crash-free rate
• Contributed to 100k+ new downloads and 25k+ active users

Tech: Kotlin, MVVM, Coroutines, Dagger, ViewModel, LiveData

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Android Developer

GT VN., LTD (Japan Market)
10/2018 – 08/2019

• Developed healthcare and e-commerce mobile applications
• Led development of the Farmi Android app
• Applied Clean Architecture for scalability and maintainability

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Mobile Team Lead

Duy Tan University
02/2017 – 09/2018

• Led a 5-member mobile & backend team
• Designed RESTful APIs for Android & iOS apps
• Delivered multiple university management systems
• Managed timelines, task allocation, and client requirements

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📦 Selected Projects

🔹 Digital E-Commerce System (Singapore)

• Role: Senior Fullstack Developer
• Stack: NestJS, Next.js, PostgreSQL, DynamoDB, AWS
• Designed APIs, microservices, and web frontend
• Delivered production-ready system for enterprise client
  🔗 https://cast.singtel.com

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🔹 VietnamWorks Android App

• 100k+ downloads, 25k+ active users
• Led full lifecycle and performance optimization
  🔗 https://play.google.com/store/apps/details?id=com.vietnamworks.vietnamworks

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📊 GitHub Stats

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🔗 Connect With Me

• LinkedIn: https://www.linkedin.com/in/pvthiendeveloper
• Website: https://www.thienpham.dev
• Email: pvthiendeveloper@gmail.com