6 years of professional working experience. Main position: Back-end Developer. Currently working as a full-stack developer for the ERP System of Saigon Technology. Have experience working in both a big team (of 30+ developers) and a smaller size team (of 3+ developers). Along with diverse domain experience under the belt; such as ERP, healthcare and social network.

‍

Programming Languages: C#, JavaScript/TypeScript, HTML/CSS. 

Skills: 

• Frameworks/Platforms: ASP.NET Core, EF Core, xUnit, Angular, ReactJS  

• Databases: MS SQL, PostgreSQL, DynamoDB  

• Libraries: Dapper, AutoMapper, Serilog, NSubstitute  

• Cloud providers: Amazon Web Service (AWS)  

• Others: REST API, RabbitMQ, IdentityServer, Docker, Linux

Tools: Visual Studio, Visual Studio Code, Git, SourceTree, NPM, Yarn, Jira, Trello, Google Chat, MS Teams, Azure DevOps.

ERP Application System  

Developer - Team Lead, Nov 2023 – Present  

Project description 

• A system that is split into 14 sub-systems using microservice-like architecture to handle the business logic of many domains such as human resource management, recruitment, training, project management, sales/loss & profit, finance, etc.  

• Team size: 20

Highlights  

• Lead a sub-team with 4 developers with good performance  

• Implement a complete redo of the entire role system to give users a more dynamic and granular control over the app

Responsibilities 

• Develop and maintain system modules while also supporting stakeholders as a team leader  

• Define project conventions, and review code quality of team members to ensure a less than 15% re-open rate  

• Join meetings to analyze and clarify tickets, define unforeseen risks, and suggest solutions  

• Support BAs on clarifying the requirements and writing tickets. Suggested changes to documents and tickets; ranging from minor to medium changes like grammar checks, wording improvements, and new logic implementations  

• Perform refactoring on legacy sections to ensure readability and optimal query performance  

• Use Serilog as the logging library to log events to Application Insights  

• Use Hangfire server as the background scheduler  

• Manage and configure Windows servers for application hosting

Technologies 

• .NET Core, EF Core, Dapper, Angular, Hangfire, Serilog, Application Insights, MS SQL, Jenkins, AWS SNS/SQS  

‍

Field Team Operation Management System - Australia  

Developer, Oct 2022 – Nov 2023  

Project description 

• A multi-tenant SaaS to help field teams connect and manage their operations. The software suite features real-time schedules, dynamic paperwork, live maps, along with workforce and asset management etc.  

• Team size: 5

Highlights  

• Led the refactor phase including conventions cleanup, DB queries tuning and google APIs service cost optimizations  

Responsibilities 

• Worked directly with stakeholders as a full-stack engineer to develop and maintain system modules  

• Collected requirements and defined tickets on Jira  

• Worked with other developers from the mobile team to integrate between mobile client and API server  

• Used Firebase as the real-time messaging and notification service  

• Used Serilog as the logging library to log events to files  

• Used S3 to upload and retrieve paperwork and documents

Technologies 

• .NET Core MVC, Angular, PostgreSQL, Firebase, Serilog, Google APIs, AWS S3, AWS Elastic Beanstalk, React Native  

‍

Car Management System– Japan  

Developer, Oct 2021 – Oct 2022  

Project description 

• An MVC web application to help manage cars along with their owners’ profiles.  

• Team size: 30

Highlights  

• Helped teammates in translating documents, clarifying requirements and communicating with stakeholders to improve project performance by 27% in 6 months  

Responsibilities

• Wrote unit test cases to ensure the average test coverage of 91% across the code base  

• Communicated directly with Japanese clients via emails to clarify issues  

• Communicated with team members to find optimal solutions  

• Worked as a back-end developer in a team with 30+ members

Technologies

• .NET Core, Razor Pages, MS SQL, xUnit, Java Spring  

CMS Web  

Developer, May 2021 – Oct 2021  

Project description 

• A complete blogging website to help publish and manage information about the team's new projects.  

• Team size: 1

Responsibilities

• Studied requirements, and contributed to the database designing process  

• Handled the development of both the back-end and front-end side  

• Implemented Redis as the database for distributed caching in the system

Technologies

• .NET Core, Razor Pages, SQL Server, Redis, Docker, Git  

‍

Employee Skills Management system  

Developer, Jan 2021 – June 2021  

Project description 

• A website to help manage employees’ skills and suggest suitable candidates for the company’s projects.  

• Team size: 3

Responsibilities

• Studied requirements, designed database, and developed the backend side using .NET Core 3.1  

• Used Firebase as a Push Notification System to send real-time notifications between users  

• Wrote basic and detailed design documents with ERD and management plans  

• Worked as a back-end developer in a 3-member team

Technologies

• .NET Core, ReactJS, SQL Server, Firebase, Git  

‍

Healthcare Project - Japan  

Developer, Sep 2019 – Jan 2020  

Project description 

• A desktop healthcare app to help track patients’ blood pressure.  

• Team size: 3

Responsibilities

• Learned about desktop application development  

• Fixed bugs and wrote documents related to the project  

• Experienced and adapted to a professional working environment  

• Contributed heavily to the last phase of the project, which helped it be nominated as one of the top 5 projects  

• of the Unit

Technologies

• .NET Core, WPF, Jira, Git

English: Advanced  

• TOEIC 925 (issued Aug 2022 – expired Aug 2024)  

• IELTS 8.0 (issued Mar 2018 – expired Mar 2020)  

Japanese: Intermediate  

• JLPT N3 (issued Jan 2021 – no expiration date)  

Vietnamese: Native