Hasnat Jani Rafin

💼 WORK EXPERIENCE

📌 Software Engineer (Remote)

     Zintora Software Ltd, London, England
      August 2024 – June 2025

• Developed features for a large-scale voice chat application on iOS & Android.

• Managed App Store / Google Play builds, deployments, and release cycles.

• Contributed to backend architecture, UI refinement, and performance optimization.

📌 Software Engineer (On-site)

     Swinroll Network Technology Co., Ltd., Hangzhou, China
      June 2023 – June 2024

• Built a cross-platform mobile app using Flutter, optimized for Android.

• Led publishing workflows on Google Play Console & Amazon Developer Console.

• Increased user engagement by 25% through well-designed feature releases.

• Reduced app crash rate by 30% via structured QA and stability improvements.

• Enhanced loading time, UI responsiveness, and networking performance.

📌 Network Technology Engineer (Intern)

     Huawei Technologies Co., Ltd.
      July 2022

🎓 EDUCATION

🎓 M.Eng. in Computer Software Engineering

     South China University of Technology (SCUT), Guangzhou, China
      2024 – 2026

• Fully funded Chinese Government Scholarship recipient.

🎓 B.E. in Software Engineering

    Hangzhou Dianzi University (HDU), Hangzhou, China
    2020 – 2024

• CGPA: 4.75 / 5.00 (93.5%)

• Thesis: Heart Rate Prediction Application using Flutter

🎓 Chinese Language and Literature

    Kunming University, China
    2019 – 2020

🏫 Comilla Government College, Bangladesh (2018 )

🏫 Comilla Zilla School, Bangladesh (2016 )

🧪 PROJECTS

🧠 Real-Time Depression Detection via Micro-Expressions (2025 – ongoing)

• Designed an Android pipeline that captures short, user-consented front-camera snippets.

• Extracts micro-expression features: AU dynamics, blink rate, smile asymmetry.

• Supports early-stage computational mental-health monitoring.

❤️ PulsePro – Heart Rate Insight (Flutter, 2024)

• Built a smartphone PPG-based heart-rate detection system.

• Integrated signal-quality scoring + motion-artifact suppression.

• Validated accuracy against medical pulse oximeters across 20+ tests.

🌐 Smart City IoT Services Platform (Capstone Project, 2023)

• Developed RESTful microservices with MQTT IoT integration.

• Containerized the system with Docker.

• Completed under Tsinghua University’s “Digital Economy Innovation” program.

📱 PUBLISHED MOBILE APPLICATIONS

🎤 ZOVO — Social Voice Chat App (Google Play)

Real-time voice rooms, virtual gifts, and interactive community features.

❤️ PulsePro — Heart-Rate Insight (Amazon Appstore)

Camera-based heart-rate analyzer with personalized insights.

👻 Nightmare Hops — Platformer Game (Amazon Appstore)

Atmospheric platformer with precision jumping and dark-themed levels.

🏆 HONORS & AWARDS

• 🎖️ Zhejiang Provincial Government Scholarship (USD 3,000) – 2023

• 🎖️ Zhejiang Provincial Government Scholarship (USD 3,000) – 2022

• 🥈 2nd Prize – Hangzhou Municipal Govt. Video Contest (USD 200) – 2022

• 🏅 Sports & Arts Star Award — HDU — 2022

• 🥇 First-Class Scholarship, HDU (USD 3,000)– 2021

• 🥇 First-Class Scholarship, HDU (USD 3,000)  – 2020

• 🥈 2nd Prize – Video Recording Contest, Kunming University – 2020

• 🎓 International Skilled Personnel Training Program (Kunming Bureau) – 2020

• 🌟 Bangladesh Govt. Talent Pool PECE Scholarship – 2010

🛠️ TECHNICAL SKILLS

Programming: Dart, C++, Java, C

Frameworks / Tools: Flutter, Firebase, Docker, REST APIs

Mobile Dev: Android, iOS, App Store / Play Store deployment

Databases: MySQL

Software: VS Code, Xcode, Android Studio, IntelliJ IDEA, GDevelop

Media Tools: Adobe Premiere Pro, Photoshop, Final Cut Pro

Operating Systems: macOS, Windows

📜 CERTIFICATIONS

• Google IT Support Professional Certificate

• Google Technical Support Fundamentals

• Google IT Security: Defense Against the Digital Dark Arts

• AWS – Machine Learning Algorithms Explained

• Microsoft: First Steps into Artificial Intelligence

• Microsoft Certified Innovative Educator

• Huawei Talent Online Program

• Amazon IoT Device Management

• Google Analytics Certification

• Tsinghua University IEDE Program

• Basic Game Development (Scratch)

• Teach AP Computer Science Principles (MakeCode)

🤝 LEADERSHIP & VOLUNTEERING

Deputy Director — International Volunteer Center

Hangzhou Dianzi University
June 2022 – March 2023

• Organized international events, student mentorship, and cultural programs.

🌍 LANGUAGES

• English: Fluent

• Bengali: Native

• Chinese: Conversational