Ranjan Kumar
Open to work1 years experienceSoftware Development Engineer
Software Development Engineer at Flipkart | React Native & React.js Specialist
Standing Rank
Rank Not Available
Developer Badges
No badges earned yet
Skills & Technologies
35 skillsWork Experience
Software Development Engineer
Flipkart
- Developed and deployed scalable React Native, React.js features serving 180M+ MAU across Android, iOS, and Web platforms with 85%+ code reusability.
- Engineered a cross-platform Product Variant Multi-Selector Bottomsheet for Search & Browse pages, reducing checkout journey by 40% and driving 12% conversion uplift.
- Built Inline Recommendation feature for Flipkart Minutes (50M+ users), increasing basket size by 20%+ and engagement by 25%+.
- Developed membership programs feature (Plus, Black) with One-Click Activation, onboarding 5M+ subscribers in 3 days and scaling to 50M+ total members.
- Implemented Buy Again feature using order history intelligence, improving user retention by 18%+ and repeat purchase rate by 25%+.
- Maintained 99.9% system uptime during BBD 2025 with record-breaking traffic, ensuring zero critical failures.
Software Engineering Intern, EDA
Cadence Design Systems
- Enhanced Cadence Virtuoso automation workflows using C++ and Linux, improving development efficiency by 15%+.
- Resolved 20+ Qt-related UI issues using advanced debugging and OOP design patterns, improving stability by 25%+.
- Implemented comprehensive error handling system with 100+ test cases, reducing debugging time by 30%+.
- Collaborated with cross-functional teams using Perforce, Agile methodologies, and code review practices.
Projects
CFG Normalizer
- Developed CFG Normalizer Application: Created a website to convert CFGs into Chomsky Normal Form (CNF) and Greibach Normal Form (GNF), applying Theory of Computation principles.
- Full-Stack Development: Designed and implemented a responsive user interface using HTML, CSS, and JavaScript.
TrustTrace
- Engineered a cutting-edge system using Python, Streamlit, CSS, machine learning, and NLP for real-time credibility assessment of social media posts and tweets.
- Key Features: Implemented advanced features to analyze both text and image inputs, empowering the system to accurately identify credibility of the posts or tweets.
Leaderboard Standings
Leaderboard Position Pending
Global test scores, peer standing percentiles, and algorithm leaderboard ranks are updated dynamically.
Assessment Highlights
Assessments Not Completed
Coding evaluations, system assessment results, and conceptual score badges will appear here after taking a test.
AI Collaboration Score
AI Collaboration Score Pending
Developer coding behavior, assistant cooperation, and AI pair-programming indicators are evaluated during live coding sessions.
Role Compatibility Profile
Role Compatibility Analysis Pending
Custom matching reports, candidate role compatibility percentiles, and core engineer strength profiles are processed once conceptual code screenings are complete.
Achievements
LeetCode Achievement
Solved 500+ problems on LeetCode with a contest rating of 1701 (Top 15%).
GeeksforGeeks Achievement
Solved 400+ problems across DSA and System Design on GeeksforGeeks.
HackerRank Achievement
Achieved 4-Star rating in C Programming on HackerRank.
About Details
Professional Bio
Software Development Engineer with experience in building scalable cross-platform applications. Proven track record in enhancing user engagement and system performance for large-scale platforms. Skilled in React Native, React.js, and full-stack development.
Bachelor of Technology in Computer Science and Engineering
Dr. B R Ambedkar National Institute of Technology Jalandhar (2020 - 2024)
A.I.S.S.C.E. in P.C.M.
Jawahar Navodaya Vidyalaya (2017 - 2019)