Mai Quoc Dat

Senior Software Engineer · Hanoi, Vietnam

0326499160 q.dat2710@gmail.com github.com/MaiQD

Senior Software Engineer with 6+ years of experience specializing in designing and building scalable, cloud-native systems on .NET and Azure. Experienced in the hands-on implementation of architectural migrations to modular monoliths and developing resilient microservices with Kafka and gRPC. Adept at implementing real-time streaming data solutions with Azure IoT Hub and Event Hub, enhancing system security, and driving productivity with AI-first workflows. A collaborative team member with a strong background in Agile/Scrum, dedicated to mentoring and delivering high-quality, maintainable code.

Projects

Done

datnet-workout-tracker

A .NET-based workout tracking application.

.NET C#

Active

gemini-tubeSide

MV3 Chrome extension for YouTube summarization with a BYOK privacy model. Uses Gemini 2.5 Flash API and vanilla JS — no backend servers.

JavaScript Chrome Extension Gemini API

Active

maiqd.github.io

Personal portfolio and learn section — static HTML, organic design system, SCSS.

HTML SCSS GitHub Pages

Experience

2024 – Present

Fullstack Software Engineer

Confidential Global HR Platform

  • Contributed to the architectural migration from a monolith to a modular monolith using C#, .NET Framework, and .NET Core, improving system maintainability and enabling independent deployments.
  • Developed resilient inter-service communication patterns using Kafka and gRPC, establishing clear data contracts to ensure reliable integration between internal applications.
  • Enhanced system security by implementing improvements to authentication and authorization modules, addressing vulnerabilities, and hardening admin-level access controls.
  • Worked on legacy front-end components using ASP.NET MVC and modernizing features with Vue.js, while maintaining a consistent user experience.
  • Championed AI-first development workflows using Copilot and internal tools, creating best practices that accelerated feature delivery and improved code quality.
2023 – 2024

Fullstack Software Engineer

SpiderBox Design

  • Engineered and delivered high-throughput, real-time data streaming pipelines on Azure using IoT Hub, Event Hub, and Stream Analytics with C#/.NET.
  • Designed and optimized high-volume MS SQL Server databases for time-series data, implementing partitioning and clustered columnstore indexes.
  • Developed and deployed new .NET microservices for external data integration and created automated CI/CD pipelines with Azure DevOps.
  • Trained and mentored new engineers on Azure services and team coding standards, accelerating their onboarding and contribution to the project.
  • Automated complex database maintenance tasks using Azure Elastic Jobs, minimizing manual intervention and improving operational stability.
2021 – 2023

Senior Software Engineer

FPT Software

  • Built and maintained background data synchronization services (Windows Services) and ASP.NET Core APIs using C# and PostgreSQL to ensure data consistency for the VetHero platform.
  • Leveraged Azure App Services and Service Bus to develop scalable web services and asynchronous messaging, improving system reliability.
  • Introduced and drove the adoption of unit testing practices using xUnit and Moq, leading to improved code quality and a reduction in post-release bugs.
2019 – 2021

Web Developer

Global Online Solution., JSC

  • Developed and maintained ASP.NET Core web applications with an Oracle Database backend for Vietnamese government agencies, including the Ministry of Finance.
  • Optimized complex Oracle queries and automated report generation using stored procedures and DevExpress, significantly reducing manual reporting effort.
2019

Web Developer

Thien Hoang Solutions JSC

  • Contributed to the development of web applications using ASP.NET Core and MS SQL Server, gaining foundational experience in enterprise software development.

Information System

Thang Long University

10/2016 – 05/2020

GPA: 3.5/4

Certifications

  • Microsoft Certified: Azure Developer Associate (AZ-204) 2022
  • Professional Scrum Master I (PSM I) 2022
  • Oracle Certified Associate, Oracle Database SQL 2021
  • Microsoft Certified: Azure Fundamentals (AZ-900) 2022
  • Udacity Nanodegree — DevOps on Azure 2022

Honors & Awards

  • Best performance Semi 1 of FHS — FPT Software 2022
  • Employee of the month of FHS — FPT Software 2021
  • Thang Long University Scholarship in 2nd semester 2018–2019 2018–2019

Contact