Summary
Overview
Work History
Education
Skills
Awards
Certification
Timeline
SUMIT KUMAR

SUMIT KUMAR

Noida

Summary

Methodical Software Development Engineer offering abundant experience with engineering software for product based organizations. Extensive background in mobile application design and development. Innovator with deep knowledge of latest industry trends and advancements.

Overview

5
5
years of professional experience
1
1
Certification

Work History

Software Development Engineer II

Samsung
03.2023 - Current
  • Delivered Smart Ring software features for next-gen Samsung wearables, enhancing data accuracy and user experience
  • Led the development and management of five health trackers in the Samsung Health Project, specializing in Care Sensor Modules that measure vital health parameters such as stress, SpO2, and heart rate
  • Delivered 62+ features and 5 app upgrades using Agile methodologies, ensuring timely, high-quality output while efficiently adapting to changing requirements and increased app downloads to 40M+
  • Enhanced project SAM score from 3 to 4.7 by implementing clean architecture, advanced design patterns, Hilt DI, Android Jetpack and Lint error management, significantly reliability and maintainability
  • Implemented MVVM architecture and Kotlin co-routines, reducing boilerplate code by 48%, enhancing concurrency management, and improving code modularity and maintainability
  • Increased JaCoCo test coverage from 55% to 93% using Roboelectric, JUnit4, and Kotest, enhancing code quality and robustness through comprehensive testing strategies.

Software Development Engineer

Samsung
10.2022 - 02.2023
  • Engineered a Wear OS plugin for data communication with watches, optimised wearables integration to receive data from 2 wearables simultaneously.
  • Centralised Wear OS interaction, eliminating redundant receiver creation and framework code across modules reducing coding overhead by by 50%.

Software Development Engineer

Samsung
07.2019 - 10.2022
  • Refactored Gallery Album code to RxJava, reducing boilerplate code and PLM count by 56%
  • Added 50 JUnit test cases to increase test coverage to 81%
  • Remodelled the Gallery Application for Android Go devices like A013F/G and M013F/G and developed a Gallery Lite version, optimizing space by 80% by optimising ProGuard and AAPT.

Education

B.Tech - Electrical Enginnering

IIT Delhi, Delhi, India
05.2019

Skills

  • Java, Kotlin, Python, XML, YAML
  • Git and Github, Object-Oriented Programming
  • Backend developer, Gradle, Spring Boot, Hibernate, REST API
  • Android development, Jetpack, Compose, Room, Work Manager
  • RxJava, Kotlin Coroutines
  • Mockito, JUnit, KoTest

Awards

  • Employee of the Quarter, Samsung Noida, 06/2024, Awarded for increasing the SAM score and successfully passing the health app through audit, reducing VOCs, and enhancing project metrics.
  • Best Project Award for Samsung Health, Samsung Noida, 11/2023, Received the highest monetary award for delivering innovative smart ring features, significantly contributing to business growth and improved play store rating from 3.5 to 4.2.
  • Software Competency (SWC Professional II level), Samsung Korea, 08/2022, Cleared a rigorous 4-hour test focused on data structures; only 20% pass rate. Achieved a unique distinction as the sole solver on the test day.

Certification

  • Certified SWC Professional, Samsung Korea - August, 2022

Timeline

Software Development Engineer II - Samsung
03.2023 - Current
Software Development Engineer - Samsung
10.2022 - 02.2023
Software Development Engineer - Samsung
07.2019 - 10.2022
IIT Delhi - B.Tech, Electrical Enginnering

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