Ranjan Kumar

Ranjan Kumar

Contact details — on requestProof of Work — on request

Experience

Flipkart

Software Developer Engineer

Flipkart · Aug 2024 – Apr 2026

Not yet confirmed
  • Building scalable React Native and React features serving 180M+ MAU across Android, iOS, and mWeb platforms.
  • Key Contributions:
  • • Built Inline Recommendation feature for Flipkart Minutes (50M+ users), increasing basket size by 20%+ and engagement by 25%+
  • • Engineered cross-platform Product Variant Multi-Selector Bottomsheet, reducing checkout journey by 40% and driving 12% conversion uplift
  • • Developed Flipkart Membership (Plus, Black) with One-Click Activation, onboarding 5M+ subscribers in 3 days during BBD 2025
  • • Implemented Buy Again feature improving user retention by 18%+ and repeat purchase rate by 25%+
  • • Maintained 99.9% system uptime during Big Billion Days 2025 with zero critical failures
  • • Achieved 85%+ code reusability across all platforms
  • Tech Stack: React Native, React, TypeScript, JavaScript, Redux, Android, iOS, New Relic
Flipkart

Software Development Engineer

Flipkart · Aug 2024 – Apr 2026

Not yet confirmed
  • Developed and deployed scalable React Native, React.js features serving 180M+ MAU across Android, iOS, and Web platforms with 85%+ code reusability, maintaining high code quality and cross-platform compatibility.
  • Engineered a cross-platform Product Variant Multi-Selector Bottomsheet for Search & Browse pages across Flipkart, Grocery, and Minutes (Android, iOS, Web), enabling instant multi-attribute selection, reducing checkout journey by 40% and driving 12% conversion uplift through intelligent availability management.
  • Built Inline Recommendation feature for Flipkart Minutes (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.
C

Software Engineer Intern

Cadence Design Systems · Jan 2024 – Jun 2024

Not yet confirmed
  • I have hands-on experience as a Software Engineering Intern at Cadence Design Systems, where I enhanced design automation processes with the Cadence Virtuoso tool, resolved Qt-related issues to improve software stability and performance, and implemented a robust messaging system for enhanced user feedback and debugging.
  • I'm passionate about leveraging my skills in coding, technology, and problem-solving to collaborate with like-minded professionals on impactful projects.
C

Software Engineering Intern, EDA

Cadence Design Systems · Jan 2024 – Jun 2024

Not yet confirmed
  • 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.
ISRO - Indian Space Research Organisation

Machine Learning Intern

ISRO - Indian Space Research Organisation · Jun 2023 – Jul 2023

Not yet confirmed
  • Developed SRGAN super resolution model for the remote sensing image.
  • My responsibilities included Software development and Data Sample generation of remote sensing images for multiple object detection using machine learning in python.

Skills 0 proven through work

Also works with

CodingProcess ImprovementAdaptabilityProject TrackingModular System DesignAttention to DetailWork Planning and PrioritizationCross-Departmental CoordinationTeamworkFeature OwnershipUI Performance OptimizationTechnical TroubleshootingQt DevelopmentBug FixingError HandlingApplication MonitoringPython DevelopmentStructured LoggingTool DevelopmentLinux Operating System UsageC++ ProgrammingBuilding Web ApplicationsiOS DevelopmentAndroid App DevelopmentCross-Platform DevelopmentCloud SynchronizationCode OptimizationApplication State ManagementAPI Payload MappingAPI IntegrationAvailability ManagementMicro InteractionsUser Experience ImprovementProblem SolvingFront-end DevelopmentSoftware Development Practices

Proof of Work

Proof of Work

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Education

Bachelor of Technology, Computer Science and Engineering

Dr. B R Ambedkar National Institute of Technology Jalandhar · 2020 — 2024

A.I.S.S.C.E., P.C.M.

Jawahar Navodaya Vidyalaya Saran, Bihar · 2017 — 2019

Contact details

Contact details

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