Hi, I'm Jiahuan He, a fast learner and enthusiastic software developer with a strong interdisciplinary background. Currently, I'm pursuing my Master of Science in Computer Science at Northeastern University in Vancouver while also engaging in advanced research projects that harness machine learning and reinforcement learning to create innovative solutions. I enjoy building scalable and efficient systems that improve user experiences and solve complex problems. With hands-on experience in software development roles both as an intern and a full-time engineer, I've developed expertise in full-stack and cloud technologies. Collaboration and delivering high-quality, tested code are values I hold dear, as evidenced by my involvement in diverse projects and startup teams. I'm always eager to learn new skills and contribute meaningfully to impactful projects.

Jiahuan He

Hi, I'm Jiahuan He, a fast learner and enthusiastic software developer with a strong interdisciplinary background. Currently, I'm pursuing my Master of Science in Computer Science at Northeastern University in Vancouver while also engaging in advanced research projects that harness machine learning and reinforcement learning to create innovative solutions. I enjoy building scalable and efficient systems that improve user experiences and solve complex problems. With hands-on experience in software development roles both as an intern and a full-time engineer, I've developed expertise in full-stack and cloud technologies. Collaboration and delivering high-quality, tested code are values I hold dear, as evidenced by my involvement in diverse projects and startup teams. I'm always eager to learn new skills and contribute meaningfully to impactful projects.

Available to hire

Hi, I’m Jiahuan He, a fast learner and enthusiastic software developer with a strong interdisciplinary background. Currently, I’m pursuing my Master of Science in Computer Science at Northeastern University in Vancouver while also engaging in advanced research projects that harness machine learning and reinforcement learning to create innovative solutions. I enjoy building scalable and efficient systems that improve user experiences and solve complex problems.

With hands-on experience in software development roles both as an intern and a full-time engineer, I’ve developed expertise in full-stack and cloud technologies. Collaboration and delivering high-quality, tested code are values I hold dear, as evidenced by my involvement in diverse projects and startup teams. I’m always eager to learn new skills and contribute meaningfully to impactful projects.

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Experience Level

Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
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Work Experience

Software Development Engineer – World History Database Development at COTEN Co. Ltd
April 1, 2025 - Present
Architected and developed scalable world history database serving numerous daily active users with 99.5% uptime. Optimized database queries resulting in 40% faster response times and reduced server costs by 25%. Led cross-functional collaboration to define product roadmap, delivering features 2 weeks ahead of scheduled milestones. Implemented automated testing suite covering 85% code coverage, reducing production bugs by 60%.
Software Development Intern – MELA Business Innovation Program at Recruit Co. Ltd
August 31, 2025 - July 13, 2025
Selected among top 5 candidates from 80+ applicants for prestigious tech innovation internship program. Co-founded startup team of 5 members, developed AI-powered matching platform targeting beauty industry agents. Built full-stack MVP using React and Node.js serving 30+ beta users during 8-week development sprint. Won 2nd place among 12 competing teams, receiving recognition for technical innovation and business viability.
Research Assistant – Adaptive Model Development with Reinforcement Learning at Northeastern University (Dr. Hazra Imran)
May 31, 2025 - July 13, 2025
Developed a working prototype of a reinforcement-learning-based framework for personalized learning experiences. Implemented command-line and WebApp gameplay, improved target user engagement by 30% and performance by 20%.
Research Assistant – Persona-L Persona Improvement with RAG at Northeastern University (Dr. Mirjana Prpa, Dr. Mona Ali)
May 31, 2025 - July 13, 2025
Evaluating and improving an LLM-based framework to create personas representing individuals with complex needs. Collaborating with a cross-functional team to refine persona generation, emphasizing transparency of data, balanced presentation of abilities and constraints, and appropriate language/tone.

Education

Master of Philosophy at Kyoto University
April 1, 2019 - January 31, 2024

Qualifications

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Industry Experience

Software & Internet, Education, Professional Services

Experience Level

Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
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