Hyeonjin Choi
Maryland
Summary
Software Engineering Student | 3.9/4.0 GPA | Republic of Korea Armed Forces
University Student and Radar Systems Specialist with a focus on building a strong foundation in Python and Web Technologies (HTML/CSS/JS). Proven ability to master complex technical systems and maintain 100% operational readiness in high-pressure military environments. A disciplined, self-motivated learner with a 3.9 GPA, seeking to transition academic success and military-honed problem-solving skills into a junior developer role.
Overview
1
1
year of professional experience
Work History
Radar Systems Specialist
Republic of Korea Armed Forces (Mandatory Military Service)
10.2024 - 04.2026
- System Monitoring: Operated advanced maritime radar systems to detect and track 50+ concurrent vessels, ensuring 24/7 situational awareness.
- Diagnosed and resolved technical system discrepancies under high-pressure environments, ensuring 99.9% operational readiness for national security.
- Collaborated with a cross-functional team of 10+ personnel to communicate complex technical data to command centers, streamlining the decision-making process.
Education
Bachelor of Science - Computer Science
University of Maryland
Maryland05-2028
Skills
- Algorithm implementation
- Web development
- Object-Oriented programming
- Proficient in Korean and English
Personal Project
guessLyrics.com | Full-Stack Development | [https://chlguswls.notion.site/guesslyrics-com-5ba5f37c297c4f82a706d462e07be333]
- Real-Time Architecture: Developed a real-time multiplayer game using Node.js and WebSockets (Socket.io) to synchronize gameplay and scoring across multiple concurrent users.
- API Integration: Leveraged the YouTube Data API to dynamically fetch and stream music content, enabling an expansive and automated library of game assets.
- Data Management: Implemented MongoDB for persistent storage of user profiles and game statistics, ensuring data consistency and fast retrieval.
- Authentication & Security: Integrated Google OAuth 2.0 for secure user authentication, reducing friction for new user sign-ups and managing session security.
- Frontend Design: Built a responsive and interactive UI using HTML5, CSS3, and JavaScript, focusing on low-latency user feedback during fast-paced gameplay.
Volunteering
International Volunteer | Nepal: Participated in two 2-week missions focused on primary education and community outreach.
Timeline
Radar Systems Specialist
Republic of Korea Armed Forces (Mandatory Military Service)
10.2024 - 04.2026
Bachelor of Science - Computer Science
University of Maryland