Hi, I’m Trung
Software Developer
I have 5+ years of experience in building scalable, high-performance applications and reusable UI components. I excel in team mentoring, task delegation, and optimizing development efficiency. Passionate about innovation and technology, I thrive in both independent and collaborative environments to deliver impactful solutions.
My Services
I provide professional web development, UI outsourcing, automation solutions, and technical consulting to help businesses optimize costs and enhance digital experiences.
Commitments
Quality – Optimization – Long-term Support
Web Development
Build modern, high-performance websites with an optimized user experience.
AI-Driven Automation & Digital Transformation
Automating processes and optimizing operations with intelligent AI solutions to reduce costs and improve efficiency.
Performance & SEO Optimization
Improve loading speed and optimize SEO to boost search rankings.
Tech Stack
- JavaScript
- TypeScript
- React
- Next.js
- Node.js
- Nest.js
- Tailwindcss
- Redux
- MySQL
- Strapi
- Storybook
- Sass/Scss
- Jest
- Graphql
- Robot Framework
- Docker
Career Journey
19+
Completed Projects
05/2019
12/2024
04/2025
Present
05/2019 → 12/2024
Green Space Solution (GSS)
Full-stack Developer
12/2024 → 04/2025
COTECHSO Co., Ltd
Front-end Developer
04/2025 → Present
Grooo International
Full-stack Developer
Work Experience
Grooo International – Onsite at Mirae Asset Securities
10/2025 - Present
Full-stack Developer
A monitoring system designed to manage logs and track service performance, including request duration, response time, and error detection in real time.
Team Size: 6+
Technologies: Java, React, Tailwind css, Socket.io, Nifi, Grafana
Responsibilities:
- Built interactive charts with animations and integrated APIs for real-time data visualization and monitoring.
- Optimized and enhanced UI/UX and performance for existing charts and dashboards.
- Utilized Apache NiFi to monitor API health status and stream processed data to Grafana for real-time visualization.
Grooo International – Onsite at Mirae Asset Finance Company
04/2025 - 09/2025
Full-stack Developer
Debt Collection Management Project.
Team Size: 8+
Technologies: Nest js, React, Tailwind css
Responsibilities:
- Developed admin management features for the web application and backend APIs supporting both web and mobile platforms.
- Conducted code reviews, merged branches, and managed versioning for release preparation.
COTECHSO Co., Ltd
12/2024 - 04/2025
Front-end Developer
Social network.
Team Size: 13+
Technologies: React, Tailwind css, RecoilJS, Storybook, Python
Responsibilities:
- Developing, maintaining, and documenting reusable UI component libraries based on Figma designs, ensuring high performance and scalability. Standardizing components with Storybook accelerated UI development by 40%, reduced code duplication, improved UI consistency across the application, and minimized 30% of UI-related bugs through independent component testing.
- Reviewed code and supported team members during development, ensuring code quality and resolving technical issues promptly, contributing to a ~30% reduction in implementation-related bugs.
Green Space Solution – Onsite at NEC Vietnam Co., Ltd
10/2024 - 11/2024
Team Leader (Trainer)
In this project, I led a team of Japanese members to develop software for an EV3RT robot to compete in a two-stage race. The Basic Stage involved following a black line track through five gates, while the Bonus Stage offered bonus time for completing challenges like navigating the lookup gate, crossing a seesaw, and stopping in a garage.
Team Size: 7+
Technologies: C/C++
Responsibilities:
- Created and managed the team schedule, effectively assigning tasks to team members.
- Guided team members in creating class diagrams and activity diagrams based on project requirements.
- Provided support to team members in solving coding challenges and technical issues.
- Monitored and tracked team progress to ensure deadlines were met and project milestones were achieved.
Green Space Solution
10/2023 - 10/2024
Front-end Developer
Transport Management System.
Team Size: 6+
Technologies: NextJS, Tailwind css, Redux, Strapi, GraphQL, PrismaJS, SWR, MySQL, NATS, Superset
Responsibilities:
- Led system architecture design across Front-End, Back-End, and Database for a Transport Management System. Replaced Firebase with NATS, cutting costs by 60%, and built dynamic reporting that reduced report generation time by 50%. Developed core features, reusable components, managed Git repositories, conducted code reviews, and mentored team members—improving code quality, reducing issues by 40%, and enhancing overall system performance and team effectiveness.
Green Space Solution – Onsite at NEC Vietnam Co., Ltd
02/2024 - 03/2024
Mentor Front-end Developer
The project involves migrating UI and logic from Nuxt.js to Next.js.
Team Size: 8+
Technologies: NextJS, Tailwind css, Zustand
Responsibilities:
- Guided and supported team members in migrating from Nuxt.js to Next.js, ensuring system performance and stability.
- Contributed to architectural direction, established coding standards, and conducted code reviews to maintain quality and consistency across the project, reducing 40% of common bugs through effective quality control processes.
Green Space Solution – Onsite at NEC Vietnam Co., Ltd
11/2023 - 05/2024
Full-stack Developer
The project develops features for sales, rewards, and celebrity news sharing.
Team Size: 12+
Technologies: ReactJS, Redux, Tailwind css, Material-UI, Jest, Aws (Lambda, API Gateway, S3, Dynamodb, etc.)
Responsibilities:
- Led code reviews for both Front-End and Back-End, ensuring high-quality, maintainable, and consistent code. Created documentation for recurring issues, reducing repeat errors by 40% and improving development efficiency. Collaborated closely with developers to resolve technical challenges and align with best practices.
Green Space Solution
06/2023 - 10/2023
Full-stack Developer
Built a commercial AI platform using OpenAI, offering a pay-per-token service that enables content creators to generate articles, blogs, and social media content on-demand.
Team Size: 6+
Technologies: NextJS, Tailwind css, RecoilJS, PrismaJS, MySQL, Firebase, Clerk, OpenAI Developer Platform
Responsibilities:
- Supervised and supported the team, assisting members in overcoming challenges while researching and implementing new techniques for continuous improvement.
- Provided design direction and optimized features, enhancing user experience, usability, and efficiency to ensure project timelines were met.
Green Space Solution – Onsite at Vitalify Asia Co., Ltd
05/2023 - 06/2023
Front-end Developer
The project is a social network platform where users can post and share content from Instagram or Facebook.
Team Size: 9+
Technologies: React Native
Responsibilities:
- Improved overall performance of the social network platform to enhance user experience and efficiency.
- Investigated and identified root causes of existing issues and implemented solutions to resolve them effectively.
- Conducted performance testing and system optimization, improving overall performance by approximately 20% and ensuring the platform met defined performance standards.
Green Space Solution – Onsite at NEC Vietnam Co., Ltd
12/2022 - 06/2023
Front-end Developer
The project develops features for sales, rewards, and celebrity news sharing.
Team Size: 11+
Technologies: ReactJS, Redux, Material-UI, Jest, Aws (Lambda, API Gateway, S3, Dynamodb, etc.)
Responsibilities:
- Developed new features from Japanese client requirements and wrote Jest tests for functionality.
Green Space Solution – Onsite at Vitalify Asia Co., Ltd
08/2022 - 10/2022
Front-end Developer
The project originated from a demo version and evolved into a full-scale implementation. It focuses on building a flexible web page that allows users to design UIs using built-in tools. Additionally, it supports dynamic formula calculations for generating customizable reports and forms, leveraging Konva.js technology.
Team Size: 12+
Technologies: ReactJS, Styled components, KonvaJS
Responsibilities:
- Evolved the initial demo into a full-featured product, focusing on building a flexible UI design web page using built-in tools.
- Optimized source code and enhanced the performance of dynamic formula processing using Konva.js, resulting in approximately 50% faster response time and significantly smoother user interactions compared to the previous version.
- Collaborated with the team to integrate and enhance UI design tools, ensuring user-friendliness and flexibility.
Green Space Solution
04/2022 - 08/2022
Sub-Leader
The project is a product management software that supports sales and customer management. It also integrates with the Shopify platform, enabling seamless sales processes.
Team Size: 6+
Technologies: Java spring boot 2.2, Thymeleaf, Bootstrap 4, Mybatis/JPA, MySQL, AWS S3, Shopify Developers Platform
Responsibilities:
- Acted as Sub-Leader, leading the development of product management software and ensuring project progress and quality.
- Analyzed Japanese documentation, providing technical guidance to the team for accurate implementation.
- Oversaw code reviews, managed source code merges, and coordinated smooth deliveries to clients.
Green Space Solution – Onsite at NEC Vietnam Co., Ltd
03/2022 - 12/2022
Front-end Developer
Hospital Management System
Team Size: 10+
Technologies: ReactJS, Redux, Material-UI, Jest, Java Spring Boot, Mybatis, MySQL, Redis
Responsibilities:
- Developed new features based on Japanese client specs and wrote Jest tests.
- Conducted code reviews to maintain code quality, enforce best practices, and ensure consistency within the development team, resulting in approximately 25% reduction in development-related bugs.
Green Space Solution – Onsite at Vitalify Asia Co., Ltd
11/2021 - 01/2022
Front-end Developer
The project focuses on automating property data collection and entry for real estate agencies in Japan, improving efficiency and accuracy in managing rental listings.
Team Size: 12+
Technologies: Node js, Angular, Firebase, Python, Google Cloud Platform
Responsibilities:
- Developed new features, optimized performance, and improved system efficiency.
Green Space Solution
06/2021 - 11/2021
Full-stack Developer
The project is a product management software that supports sales and customer management. It also integrates with the Shopify platform, enabling seamless sales processes.
Team Size: 10+
Technologies: Java spring boot 2.2, Thymeleaf, Bootstrap 4, Mybatis/JPA, MySQL, AWS S3, Shopify Developers Platform
Responsibilities:
- Developed core features, supported team members, and implemented Shopify integration to enhance the sales process.
- Performed code reviews and managed the code repository to ensure quality and maintain clean code, contributing to a ~20% reduction in development-related bugs.
Green Space Solution
11/2020 - 06/2021
Full-stack Developer
In this project, I developed new features, maintained, and updated a news website, creating and revising articles to meet Japanese clients' detailed requests.
Team Size: 3+
Technologies: PHP (Codeigniter, CakePHP, etc.), HTML/CSS, Linux, Apache/NGINX, Bootstrap 4, MySQL, Javascript, Jquery
Responsibilities:
- Managed and maintained a news website, ensuring up-to-date and accurate content while adhering to client standards. Made precise content adjustments based on detailed requests from Japanese clients, demonstrating strong attention to detail and compliance with strict requirements.
- Developed new features based on client requirements, implementing necessary adjustments to enhance user experience and maintain system quality.
Green Space Solution
05/2020 - 11/2020
Full-stack Developer
The project is a management system for organ donation and transplantation, focusing on donor registration, patient records, and health monitoring.
Team Size: 6+
Technologies: PHP (Codeigniter 3), MySQL, Bootstrap 4, Javascript, jQuery
Responsibilities:
- Developed UI and application logic for the project based on Japanese client requirements and collaborated to refine and align expectations.
- Conducted thorough testing of the application after completing the coding phase to ensure functionality and reliability.
Green Space Solution
09/2019 - 05/2020
Full-stack Developer
The project is a software development initiative for asset valuation tailored to VietinBank AMC.
Team Size: 9+
Technologies: ASP.NET Core 2.0 (C#), Dapper, Entity Framework, MS SQL Server, Bootstrap 4, Typescript, Jquery
Responsibilities:
- Developed key features in the VAMS application to enhance property valuation processes with a focus on efficiency and accuracy.
- Collaborated closely with the team to design the application, including UI/UX, database architecture and conducted thorough testing to meet user and client requirements.
Green Space Solution – Onsite at NEC Vietnam Co., Ltd
07/2019 - 09/2019
Front-end Developer
This project involved converting the user interface and application logic from Flash to Angular due to the discontinuation of Flash.
Team Size: 7+
Technologies: Angular, Typescript
Responsibilities:
- Converting the user interface from Flash to Angular.
- Transitioning application logic from Flash to Angular.
What others say about me?
A Talented and Kind Teammate!
He is not only a talented developer but also a kind and supportive person. His technical skills are impressive, but what truly stands out is his willingness to help others and his positive attitude. He is approachable, patient, and always ready to share his knowledge. His ability to communicate clearly and work well with others makes him a great teammate and an even better brother. I truly admire and appreciate him.
Pham Hoang Tam
Software Developer
Proactive, innovative, and always learning!
Trung is a young and talented developer with a true passion for his craft. With a strong sense of responsibility, he consistently meets deadlines and is not afraid to take on difficult challenges. His research skills and ability to learn new technologies are impressive, enabling the team to quickly and effectively solve complex problems. Trung is also highly proactive in exploring and applying new technologies in practice, which is evident in his enthusiastic work ethic and exceptional self-learning ability. Working with Trung is always a reliable and rewarding experience, and there is no doubt that he will go even further in his career.
Tong Ngoc Huu Nghia
Technical Manager of GSS JSC
Exceptional and Promising!
With his outstanding abilities and qualities, Trung has always been an exceptional employee of the company. I believe he will go even further in his career.
Nguyen Dinh Hoan
Director of GSS JSC
Proactive and Reliable!
Trung is a skilled developer with strong logical thinking and a proactive approach to work. As both a former classmate and colleague, I am truly impressed by his enthusiasm, responsibility, and team-oriented mindset. With his passion and solid expertise, Trung will undoubtedly be a valuable asset to any team!
Nguyen Hoang Loc
Software Developer
Diligent, Supportive, and Proactive!
I consider Trung a diligent and reliable developer. He consistently completes his tasks on time and is always willing to support other team members when he finishes his own work early. Trung is meticulous and careful in his work, which contributes to the overall quality of the product. Although he sometimes spends extra time perfecting the details, he generally manages his tasks and time effectively. I feel confident assigning Trung new challenges or technology research tasks, as he is proactive in exploring solutions and delivering results. He is a valuable team player and a dependable asset to the team.
Nguyen duc Tuan
SD Manager of GSS JSC
Passionate and Supportive!
He was dedicated to the company, passionate about his work, a shining example of positivity and curiosity in the workplace, and an excellent mentor who freely shared knowledge and supported the team.
Tran Minh Hieu
Software Developer
Dedicated and Detail-Oriented!
I hired him to help fix bugs and develop new features for my project. He worked with great dedication, provided enthusiastic support, and clearly explained the logic behind each part of the code. Additionally, he left detailed comments, helping me and my team better understand how the system works. I am very satisfied with this collaboration.
Thai Thi Xuan Đao
Software Tester
Friendly, Patient, and Knowledgeable!
Previously, I came across his tutorial videos on YouTube. When I faced difficulties, I reached out to him for help, even though we had never met before. He not only provided free support but also guided me with great enthusiasm, clearly explaining concepts I didn’t understand. Moreover, he is very friendly and easy to talk to, which made me feel comfortable communicating with him.
Trieu Quang Sang
Software Developer
Strong in coding, stronger in drinking!
He’s really skilled and always explains things thoroughly. He’s not only helpful but also very friendly and easy to talk to. And on top of that, he’s great at drinking too! :)))
Trac Phuong Kiet
Software Developer
Reliable at Work, Fun After Hours!
Trung is an active member of the company, always demonstrating a strong sense of responsibility in his work. He has solid expertise, wholeheartedly supports his colleagues, and is always willing to share his experience and discuss solutions to improve efficiency. To me, Trung is always cheerful and sociable. Even with former colleagues, he remains enthusiastic, often inviting everyone out for food and drinks. I wish him continued passion, growth, and even greater success in his career!
Trinh Thi Minh Hien
Human Resources
Punctual, Responsible, and Approachable!
Although I haven’t had many opportunities to work directly with Trung, from what I’ve observed, he is always punctual at work, highly responsible, kind-hearted, and gets along well with everyone.
Hap Tien Linh
Accountant
A Reliable Problem-Solver!
Trung is a highly enthusiastic person who is always ready to support his teammates at work. He has strong IT expertise and quickly and effectively helps everyone solve difficult problems whenever they arise.
Le Ngoc Tham
Software Developer
A Supportive and Inspiring Mentor!
Trung is a cheerful, friendly, and always supportive mentor who was there whenever I needed help. Thanks to his dedicated guidance during my internship, I was able to learn a lot of valuable knowledge and practical skills. It was truly a meaningful and rewarding experience for me.
Nguyen Minh Hieu
Software Developer
Solid Skills, Great Spirit!
During the time working with Trung, even though it wasn’t on a full-time basis, I could clearly see that he has very strong technical skills. He is always willing to support his colleagues whenever they need help. Outside of work, Trung is very friendly and easygoing; during team-building activities or gatherings, he always joins in enthusiastically, helping to create a lively and positive atmosphere, even though he is usually quite reserved. With his solid expertise and professional working attitude, I am confident that Trung will continue to achieve remarkable success in his career. I truly hope we will have the chance to collaborate again in the future — and if not, we’ll surely meet again over a drink! 🍻
Nguyen Duc Huy
Software Developer
Projects & Clients
Get in Touch
Feel free to reach out for collaborations, consulting, or any inquiries. Let’s create something great together!
Phone
(+84) 384342451
dttrung.code@gmail.com
Address
Ho Chi Minh City, Vietnam