Vedansh Garg, Software Developer in Bengaluru, Karnataka, India
Vedansh Garg

Software Developer in Bengaluru, Karnataka, India

Member since October 31, 2019
Vedansh is a senior software engineer at HackerRank and has 5+ years of experience in writing scalable, maintainable code in Rails and Python. He has built apps that are being used by 9 million+ developers around the world. He strongly believes in test-driven development (TDD) and communicates really well, and has worked with teams of different sizes across the globe. Vedansh also comes with a strong background in freelancing with various startups in the valley.
Vedansh is now available for hire


  • Devsnest
    Amazon Web Services (AWS), Agile, APIs, Ruby on Rails (RoR), Next.js, React...
  • Casper Sleep Inc - Main
    Ruby on Rails (RoR), Ruby, MySQL, AWS, Code Auditing, Heroku
  • HackerRank
    Docker, Elasticsearch, Memcached, Redis, MySQL, React, Backbone.js...



Bengaluru, Karnataka, India



Preferred Environment

VS Code, Eclipse, Git, MacOS

The most amazing...

...project I've worked on is building HackerRank Jobs as a microservice and scaling it to be used by millions of developers.


  • CEO/CTO at Devsnest

    2020 - 2022
    • Built and Launched World's largest Bootcamp with 15K+ Users.
    • Built Automated Assignments, assessments and Review, bringing down a Typical Bootcamp cost from range of ($30k-$10K) to 10$ a 1000x cost leverage.
    • Built Integrations with discord to launch peer learning, this feature led our discord getting an activity 30K voice minutes everyday and becoming one of the most active servers.
    • Created a Virtual College by Launching User profile, Code Sandboxes and Leaderboard with 200+ Problems and projects.
    Technologies: Amazon Web Services (AWS), Agile, APIs, Ruby on Rails (RoR), Next.js, React, Azure
  • Ruby on Rails Developer

    2021 - 2021
    Casper Sleep Inc - Main
    • Managed the fulfillment service of an eCommerce giant, with thousands of warehouses and inventories located in over two countries.
    • Built an EDI microservice to manage eCommerce transactions between different large eCommerce platforms.
    • Improved customer bug tracking to auto-resolve for common data issues. Improved the NPS score and reduced the bug frequency by 72%.
    Technologies: Ruby on Rails (RoR), Ruby, MySQL, AWS, Code Auditing, Heroku
  • Senior Software Developer

    2015 - 2020
    • Led a team of five developers to scale HackerRank's community from 500K developers to 10M+ developers. Added DB indexes, rewrote various APIs, identified slow queries, and added autoscaling rules.
    • Migrated HackerRank monolith from Rails 4 to Rails 5. Migrated two separate microservices from rails 5.0 to rails 6.0.
    • Managed the mail system of HackerRank: scaled it to support 10+ million emails a day, built tools to easily A/B test on different cohorts, and reduced massive costs.
    • Led the development of HackerRank Jobs Microservice, which powers the entire sourcing experience of 10 million candidates and thousands of recruiters.
    • Built the skills microservice from scratch, which maps every action in HackerRank to a skill. Deployed the entire service in two weeks; it serves an average of 1 million actions every day.
    • Created a challenge recommendation engine for HackerRank using item-item collaborative filtering to provide all challenge recommendations, which increased retention by 20%.
    • Built HackerRank contests, where developers worldwide can code and compete simultaneously and view their live ranks on the leaderboard.
    • Developed tools and pipelines to make HackerRank GDPR compliant. Built the initial analytics of the HackerRank pipeline using MongoDB and Redshift with 10-100 million events a day.
    Technologies: Docker, Elasticsearch, Memcached, Redis, MySQL, React, Backbone.js, JavaScript, Sidekiq, Resque, RSpec, Ruby, Ruby on Rails (RoR), Technical Hiring, Code Review, Source Code Review, Task Analysis, Interviewing, Python, HTML, Sublime Text, APIs, Full-stack, IntelliJ, Visual Studio, Team Management, PostgreSQL, Sideqik, AWS, Code Auditing, Heroku


  • Volunteer at NavGurukul

    NavGurukul runs a one-year residential program for underprivileged students(who can’t afford a college) to learn to code and get high paying jobs.

    I mentored 80+ students In algorithms and web development, built their content platform and designed and created content that can be consumed effortlessly by high schoolers.


  • Languages

    C++, Ruby, Python, JavaScript, SQL, CoffeeScript, HTML, CSS, Bash
  • Frameworks

    Ruby on Rails (RoR), Django, Next.js
  • Libraries/APIs

    Backbone.js, API Development, JSON API, React, Resque, Sidekiq, jQuery, Google APIs, Facebook API
  • Tools

    Git, IntelliJ, Visual Studio, RSpec, VS Code, Sublime Text, RabbitMQ
  • Platforms

    Linux, Amazon Web Services (AWS), Google Cloud Platform (GCP), Heroku, MacOS, Eclipse, Docker, Sideqik, Azure
  • Storage

    MySQL, Memcached, Elasticsearch, PostgreSQL, Redis, MongoDB
  • Other

    Technical Hiring, Code Review, Source Code Review, Task Analysis, Interviewing, APIs, Full-stack, Team Management, Code Auditing, Discord Bots, Integration, AWS, Plugins, OAuth, Remote Work, RESTful APIs, Architecture
  • Paradigms

    RESTful Development, Agile, Agile Software Development, Test-driven Development (TDD), Object-oriented Programming (OOP), MVC Design


  • Bachelor's Degree in Computer Science
    2011 - 2015
    KIET - India

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