Uttam Kumar Mondol

Samsung R&D Institute Bangladesh

2018 – Present

Technical Lead | March 2025 – Present

• Project Lead of Galaxy Ring
• Providing technical direction, mentoring, and coaching team members
• Designing scalable, reliable, and maintainable applications with focus on performance, optimization, and security
• Planning and distributing tasks to achieve project milestones
• Ensuring coding quality, standards, and code reviews
• Collaborating with product managers and cross-functional teams

Lead Engineer | March 2023 – February 2025

• Led Galaxy Ring team
• Analyzed requirements and technical feasibility
• Collaborated with overseas engineering teams
• Designed application architecture and data storage for memory-constrained devices
• Designed and implemented inter-device communication protocols

Software Engineer | February 2018 – February 2023

• Requirement analysis and development planning
• Feature development, debugging, testing, and optimization
• Issue fixing and application releases (in-house and Galaxy Store)

Galaxy Ring

July 2022 – Present | Zephyr RTOS, C, CMake (West)

Developed a wearable health tracking device with advanced features including sleep monitoring, heart rate tracking, blood oxygen (SpO₂) support, and stress assessment, alongside exercise and activity tracking and intuitive gesture recognition. Enabled Bluetooth Low Energy (BLE) communication for seamless data synchronization with mobile apps, and designed a smooth out-of-box experience (OOBE) for easy initial setup. Implemented FOTA (firmware over-the-air updates) to keep the device up to date, and managed sensors, battery APIs, and flash memory efficiently using LittleFS and NVS file systems, ensuring reliable data storage and real-time performance for an engaging and user-friendly health tracking experience.

https://www.samsung.com/us/rings/galaxy-ring/

Galaxy Ring Plugin

Android, Java, Gson

Developed the Galaxy Ring Plugin for Android using Java and Gson, serving as a bridge between the Galaxy Ring wearable and the Samsung Health application. Designed to handle heavy health data processing, reliable BLE communication, and seamless data synchronization, while optimizing for battery efficiency and a smooth, responsive user experience.

Play Store Link

Galaxy Fit3 Plugin

Android, Java, Gson

Developed the Galaxy Fit3 Plugin for Android using Java and Gson, enabling seamless collection of health and activity data from the Fit3 wearable. Built a reliable BLE communication system to synchronize metrics like heart rate, steps, sleep, and workouts with Samsung Health, ensuring users always had up-to-date insights. Handled data parsing, background updates, and intermittent connectivity gracefully, delivering a smooth, responsive, and user-friendly experience.

Play Store Link

Wearable Weather Application

Tizen, C/C++, EFL, Curl

Developed the Samsung Weather application for Galaxy wearable devices using Tizen, C/C++, and EFL, providing real-time, location-aware weather updates directly on smartwatch screens. Integrated Curl for fetching remote weather data and implemented interactive widgets along with features like current conditions, hourly and multi-day forecasts, animated day/night backgrounds, sunrise/sunset data, and contextual weather insights. Designed the app as a weather data provider, enabling other apps such as watch faces, alarms, and notifications to access weather information seamlessly. Optimized for limited wearable resources, ensuring smooth performance, low power consumption, and reliable BLE synchronization with paired mobile devices, delivering an engaging and highly integrated user experience.

Galaxy Store Link