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RK

Ranjan Kumar

Open to work2 years experience

Software Development Engineer

IndiaTarget Roles: Backend Engineer • Full-Stack Developer • Frontend Specialist

Software Development Engineer at Flipkart

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Standing Rank

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Skills & Technologies

26 skills
javascripttypescriptpythonc++javahtmlcsssqlnosqlreact nativereact.jsnext.jsreduxjestbootstraptailwind cssgitgithubandroid studioperforcenew relicpostmancharlesproxymancursorgemini

GitHub Activity Evidence

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Work Experience

Software Development Engineer

Flipkart

Aug 2024 - Apr 2026 Bangalore, India
  • Architected scalable web features using React.js, TypeScript, and modern JavaScript for 180M+ MAU. Designed highly reusable front-end logic, ensuring strict type safety and cross-browser compatibility.
  • Led the Search & Browse web migration by engineering a React.js Product Variant Multi-Selector. Optimized DOM rendering for instant multi-attribute selection, slashing checkout time by 40% and boosting conversion by 12%.
  • Built Inline Recommendation feature for Flipkart Minutes & Grocery (50M+ users), increasing basket size by 20%+ and engagement by 25%+ through intelligent ML-powered product suggestions and streamlined basket building.
  • Developed membership programs feature (Plus, Black) with One-Click Activation via WhatsApp/SMS during BBD 2025, onboarding 5M+ subscribers in 3 days and scaling to 50M+ total members with zero service disruptions.
  • Implemented Buy Again feature using order history intelligence, improving user retention by 18%+ and repeat purchase rate by 25%+ while reducing reorder time by 40%+ for 500M+ registered users.
  • Maintained 99.9% system uptime during BBD 2025 with record-breaking traffic, ensuring zero critical failures through robust microservices architecture, New Relic monitoring, and optimized performance.

Software Engineering Intern, EDA

Cadence Design Systems

Jan 2024 - Jun 2024 Noida, India
  • 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

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Leaderboard Standings

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Assessment Highlights

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AI Collaboration Score

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Role Compatibility Profile

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Achievements

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About Details

Professional Bio

Software Development Engineer with experience in building scalable web features and optimizing performance for high-traffic platforms. Proficient in React.js, TypeScript, and modern JavaScript, with a focus on enhancing user engagement and system reliability.

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)

Languages: English, Hindi
Email: Locked
Ranjan Kumar - Profile | Swiftcruit