Ishan Sharma
FounderFounder at Cardboard
San Francisco, California, United States
FoundedCardboard Β· YC
About
Ishan Sharma is founder of Cardboard. He previously spent approximately 4.5 years at HackerRank leading product development, and has background in web systems and applied AI.
Founder at CardboardYC W26
Intro paths
Ishan went through Y Combinator (Winter 2026) β any YC alum in your network can reach them through the YC community.
Their group partner at YC was Ankit Gupta, General Partner at Y Combinator β the partner who ran Cardboard's batch and knows the company first-hand. YC profile β
In turn, Ishan can intro founders to Cardboard's investors below.
Cardboard's investors Β· 2
Co-founders at Cardboard
Experience
- Cardboard Inc.Co-Founder & CTOcurrent2025 β presentSan Francisco Bay Area
- HackerRankSenior Software Engineer2025Bengaluru, Karnataka, India
- HackerRankSoftware Development Engineer II2024 β 2025Bengaluru, Karnataka, India
- HackerRankSoftware Development Engineer I2023 β 2024Bengaluru, Karnataka, India
- HackerRankSDE Intern II2022 β 2023Bengaluru, Karnataka, India
- HackerRankSoftware Engineer Intern2021Bengaluru, Karnataka, India
- Indian Institute of Technology, KharagpurResearch Intern2021Kharagpur, West Bengal, India
- PuStackSoftware Development Engineer Intern2020 β 2021San Francisco, California, United States
- YourMaaliTechnical Intern2019Chandigarh, India
Skills & more
+9 more
ArduinoFirebaseMongoDBTechnical WritingTechnical LeadershipInternet of Things (IoT)DartFull-Stack DevelopmentRedisLanguages English Β· Hindi Β· Punjabi Β· Spanish
- AlgoExpert β AlgoExpert
- CS50 : Introduction to Computer Science β Harvard University
- Google IT Automation with Python Specialization β Google
- Automating Real-World Tasks With Python β Coursera
- Troubleshooting and Debugging Techniques β Coursera
- Introduction to Git and Github β Coursera
- Using Python to Interact with the Operating System β Coursera
- Crash Course On Python β Coursera
- Google Web Designer Basics β Google
- Introduction to Flutter Development Bootcamp Using Dart β London App Brewery
From Ishan's professional profile.
Frequently asked questions
- Who is Ishan Sharma?
- Ishan Sharma is founder of Cardboard. He previously spent approximately 4.5 years at HackerRank leading product development, and has background in web systems and applied AI.
- Where does Ishan Sharma work?
- Ishan Sharma is Founder of Cardboard.
- What companies did Ishan Sharma found?
- Ishan Sharma founded Cardboard.
- Where did Ishan Sharma go to school?
- Ishan Sharma studied at Chitkara University (Bachelor of Engineering - BE, Computer Science).
Founder mafias
Y Combinator mafia8,773
Also came through, then founded or led a company.
+ 8,766 more
HackerRank mafia6
Also came through, then founded or led a company.
Same school
Also attended Chitkara University1
Shared employers
Also worked at Cardboard Inc.1
Also worked at HackerRank11
+ 5 more
Also worked at Indian Institute of Technology, Kharagpur14
+ 8 more