Sumitra Bagchi (sumitrabagchi)

Kolkata, West Bengal, India

Build with Gemini XPRIZE

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$2,000,000 in prizes. Build with Gemini. Ship products that impact the world.

$2,000,000 in prizes
Aug 17, 2026 04:00 PM EDT to submit
11355 participants

Natural Language & Text Analytics API Hackathon

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Create or enhance an existing app by embedding deep Natural Language Processing, word meaning and sentiment analysis.

$10,000 in prizes
Winners announced
969 participants

Data Economy Challenge by Ocean Protocol

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Build the New Data Economy with us! 3.4 Million Ocean Tokens. 3 Inspiring Tracks. Global Community Participation.

€116,111 in prizes
Winners announced
168 participants

Hack the Journey Online Edition

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Do you have the next idea that could disrupt the Travel industry? If so, join us for Hack the Journey: the global online travel hackathon!

$10,500 in prizes
Winners announced
244 participants

Amazon Sumerian AR/VR Challenge

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Create AR, VR, and 3D apps in your browser - quickly and easily

$101,845 in prizes
Winners announced
1242 participants

Power Up Automation

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Power up the next generation of software robots by building reusable automation components with UiPath.

$89,500 in prizes
Winners announced
923 participants

Hack Productivity 3

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Work smarter, not harder with Office 365.

$43,700 in prizes
Winners announced
358 participants

Atlassian Codegeist 2017

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Atlassian Codegeist Hackathon 2017

$60,000 in prizes
Winners announced
397 participants

AWS Chatbot Challenge

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Create conversational, intelligent chatbots using Amazon Lex and AWS Lambda!

$19,797 in prizes
Winners announced
3849 participants

GE Brilliant Hacks

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Build software to kickstart a new era in high performing manufacturing with GE Brilliant Manufacturing

$50,000 in prizes
Winners announced
344 participants

Hack Productivity

Online

Build modern productivity solutions with Office.

$45,625 in prizes
Winners announced
522 participants

Hack and Roll Indore

Online

Build apps that promote safety for pedestrians, bicyclists, and motor vehicles in Indore.

$31,500 in prizes
Winners announced
373 participants

Global Archiact Jam

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Make VR games, win prizes, and have fun on the Samsung Gear VR!

$3,500 in prizes
Winners announced
117 participants

Autodesk App Store Forge Hackathon

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Build Apps that help in transforming the way products are designed, made and used.

$13,500 in prizes
Winners announced
205 participants

Atlassian Codegeist 2016

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Atlassian Codegeist Hackathon 2016

$100,000 in prizes
Winners announced
901 participants

Intelligent World Hackathon sponsored by Current, powered by GE

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See the world in a whole new light. Use the Predix platform to transform the workability and livability in every part of the world.

$58,000 in prizes
Winners announced
390 participants

Docker 1.12 Hackathon

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Build, ship, and run distributed apps using Docker 1.12!

$8,811 in prizes
Winners announced
248 participants

Java Tools Challenge

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Extend Visual Studio Team Services for Java Developers or Build a Java App Using Eclipse or IntelliJ Plugins.

$80,900 in prizes
Winners announced
250 participants

Global Archiact Jam

Online

Welcome to the jam. Are you ready to build something exciting for Cardboard or Gear VR?

$17,000 in prizes
Winners announced
187 participants

Hack Productivity

Online

Recode the productivity standard to help people do and achieve more using Microsoft Office 365.

$31,000 in prizes
Winners announced
672 participants

Watson Developer Challenge

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Use the power of the Watson Developer Cloud to build creative new Cognitive apps & win!

$3,000 in prizes
Winners announced
177 participants

Sparkathon: It’s Raining Data

Online

Build super-smart weather apps that harness the power of IBM Bluemix™ and Apache Spark™.

$28,500 in prizes
Winners announced
544 participants

BRING THE HEAT: Online Hackathon for FLIR ONE Thermal Camera Apps

Online

The FLIR ONE thermal imaging camera for smart devices opens up a whole new world of iOS and Android app creation. It's time to reclaim revolution.

$30,205 in prizes
Winners announced
127 participants

RootsTech Innovator Showdown

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6 finalists. 5 renowned judges. 1 large audience. $100,000. Leverage the power of social to connect past, present and future.

$100,000 in prizes
Winners announced
160 participants