HRM Specialist
Long (Andrew) Nguyen
I am a specialist in Human Resource Management (HRM)
With over 6 years of experience working and studying in this field. Currently, I am an investor, entrepreneur, self-taught full-stack and leetcode.
About me
Welcome to my 7Daycareer official webpage. I am the founder of 7Daycareer and @leetcodedaybyday (Threads), where I share my passion and journey in solving algorithm problems day by day. With the goal of helping the programming community improve their algorithm skills and people who want to switch to programming like me.
I believe that persistence and discipline are key factors for success in both learning and exercising the mind..In addition, my training in calisthenics and gym workouts plays an important role in my personal transformation, enhancing my physical and mental strength to sustain long-term goals.
Join me as we explore and learn together through this journey!
Work experience
Web Developer
7Daycareer.com · Full-time
March 2025 - Present
Remote
Developed the Frontend using Astro Framework, implementing responsive and user-friendly interfaces.
Responsible for integrating design, branding, and interactive features to deliver a seamless user experience.
Web Developer
Leetcodedaybyday.com · Full-time
July 2025 - Present
Remote
Built with HTML5, SCSS, JS, statically generated and deployed on Github free hosting, ensuring fast loading times and optimal performance.
Founder
Leetcodedaybyday · Full-time
Jan 2024 - Present
Remote
Collaborate with clients to understand design requirements and objectives.
Develop branding solutions, including logos, color palettes, and brand guidelines.
Design marketing materials such as brochures, posters, and digital assets.
Create visually appealing user interfaces for websites and applications.
Administrative Management Assistant
PHUC LOC CHAU ONE MEMBER COMPANY LIMITED · Full-time
Oct 2023 - Jul 2024 · 10 mos
Tan Uyen City, Binh Duong Province, Vietnam · Onsite
Assisted senior designers in creating design concepts and visual assets.
Contributed to the development of brand identities and marketing collateral.
Collaborated with the marketing team to ensure consistent design across campaigns.
Gained hands-on experience in various design software and tools.
Administrative Intern
VietinBank | Vietnam Joint Stock Commercial Bank for Industry and Trade · Full-time
2Jul 2022 - Aug 2022 · 2 mos
Binh Duong Province Branch· Onsite
Assisted senior designers in creating design concepts and visual assets.
Contributed to the development of brand identities and marketing collateral.
Collaborated with the marketing team to ensure consistent design across campaigns.
Gained hands-on experience in various design software and tools.
Executive Management Assistant
Thanh Loc Bamboo Rattan Enterprise · Full-time
Jul 2021 - Jun 2022 · 1 yr
Tan Uyen City, Binh Duong Province, Vietnam · Hybrid
Assisted senior designers in creating design concepts and visual assets.
Contributed to the development of brand identities and marketing collateral.
Collaborated with the marketing team to ensure consistent design across campaigns.
Gained hands-on experience in various design software and tools.
Education
Self-taught Full Stack
CS50 online course by Harvard University (without certificate)
Bachelor of Human Resources Manager
Ton Duc Thang University
2018 - 2024
(2 years gap)
Nguyen Khuyen Secondary and High School
Student High School
2014 - 2018
These are the medals I got when I started teaching myself programming and solving Leetcode.














Human Resource Skills
Journey in Human Resource Management 2018-2024
A comprehensive journey through Human Resource Management from 2018 to 2024, highlighting key skills in talent acquisition, team leadership, and organizational excellence.
Talent Acquisition & Retention
Skilled in attracting top talent through strategic recruitment techniques and ensuring long-term retention by fostering a supportive and engaging work environment.
Team Leadership
Experienced in managing and motivating medium-sized teams. Capable of inspiring and driving performance by establishing clear goals and creating a collaborative atmosphere.
Conflict Resolution
Demonstrates the ability to resolve conflicts effectively, ensuring that disputes are handled fairly and diplomatically to maintain team harmony and productivity.
Motivation & Inspiration
Skilled in motivating employees to achieve individual and team goals, providing the necessary resources and support to enable success and maintain high morale.
Community Management
Proven track record of managing large-scale online communities (over 20,000 members), leading discussions, providing support, and maintaining engagement among a diverse group of individuals.
Administrative & Organizational Skills
Experienced in managing administrative tasks such as payroll, insurance, and document preparation, while ensuring compliance with organizational standards and improving operational efficiency.
Personal Projects
Here are some projects I've worked on recently over the past year of self-taught full-stack. Click on the tags to view the source code on GitHub.
Project 6: My-Travel-Journal
Description:
A web application designed for me to document and share my wishlist travel through images and articles.
Role:
Developed a full-stack travel journal web app, building the UI with React.js & Tailwind CSS, setting up the backend with Node.js & Express.js, and integrating Google Maps API for geolocation tagging.
Technologies:
React, Node.js, JSON, Tailwind CSS
Project 5: Tictactoe - Game
Description:
This Tic-Tac-Toe game is built using Pygame and features an AI opponent powered by the Minimax algorithm. The game supports player vs. AI mode, with a score-tracking system. The UI is designed with a centered 3x3 grid and interactive buttons for navigation.
Role:
Built UI & game logic with Pygame. Implemented AI using Minimax.
Technologies:
Python, Pygame, Minimax Algorithm
Project 4: 2048 Game
Description:
A web-based implementation of the 2048 game, where players slide numbered tiles to combine them and reach the 2048 tile. The game features smooth animations, keyboard controls, and automatic tile spawning.
Role:
Developed the core game logic using JavaScript, including tile merging, movement, and win/loss conditions. Designed the UI/UX with HTML & CSS, ensuring a responsive and visually appealing grid. Implemented game mechanics such as randomized tile spawning, user input handling, and game restart functionality.
Technologies:
HTML, CSS, JavaScript
Project 3: AI-Object Detection
Description:
AI Object Detection is a computer vision project designed to identify and classify objects in real-time using deep learning models. This implementation leverages YOLOv5, a powerful object detection algorithm, to detect various objects within an image or video stream.
Role:
Developed an AI-powered object detection system using YOLOv5, integrating PyTorch for model execution and OpenCV for real-time video processing, enabling accurate identification and classification of objects within a live camera feed.
Technologies:
YOLOv5, PyTorch, OpenCV
Project 2: Product Store
Description:
This project is a MERN (MongoDB, Express.js, React.js, Node.js) stack application developed as part of a tutorial by freeCodeCamp. It demonstrates how to build and deploy a full-stack JavaScript application using modern web development technologies.
Role:
Designed and developed a full-stack e-commerce application using the MERN stack, implementing a React.js frontend for a dynamic and responsive user experience, Node.js and Express.js for server-side logic and API handling, and MongoDB for efficient data storage and management, with deployment configurations for a seamless production environment.
Technologies:
React.js, Node.js, Express.js, MongoDB, Tailwind CSS, JWT Authentication, Postman.
Project 1: Static Portfolio Website Leetcodedaybyday 2.0
Description:
A first static Website Porfolio using open source form HTML5. Showing my projects and skills after 3 months self-taught.
Role:
Developed a static portfolio website to practice class objects, HTML modifications, and configuration adjustments for smooth local execution. Focused on debugging, optimization, and frontend development, and successfully deployed on GitHub Pages to gain experience in hosting and version control.
Technologies:
HTML, JavaScript, SCSS