Himanshu Manwani

Experience

• 

  ACM student chapter, NITW

  Feb 2020 - Mar 2022

  Executive Member

  • A body aimed at raising awareness about competitiveprogramming, in an extracurricular fashion.• Conducted online programming contests on internationalplatforms like Codechef.• Organized several lectures covering a multitude of topics incompetitive programming for junior batches.

• 

  Chronus

  May 2021 - Jul 2021

  Software Developer Intern

  • Worked on designing and building the interface for matching modules that allow mentees(students) to be matched with mentors using a questionnaire-based validation, corresponding to various custom match configurations.• Added new database level validation in addition to updating existing ones to allow users to create multiple match-configurations from the same root.• Performed controller and model level tests in Rails test environment.• Techstack used : Ruby on Rails, JavaScript-ES6, eRuby, MySQL(Active Record Query Interface) Show less

• 

  PrepBytes

  Oct 2021 - Jan 2022

  Problem setter intern
• 

  Chronus

  Jun 2022 - Mar 2025

  • Spearheaded the project to replace CKEditor with Froala Editor, mitigating security risks. Responsibilities included proof of concept, coding, code reviews for junior developers, task management, and project delivery.• Re-architected survey release, improving crucial page load times by 5x through prefetching techniques and reducing database queries. Implemented Elasticsearch indexing for faster survey response filtering, increasing user support capacity from 50k to 200k.• Was part of the integration of Sidekiq into our applications, and conducted some key investigations to ensure a smooth release.• Played a key role in significant upgrades including Bootstrap, Rails, and Mailgun webhooks, enhancing overall system performance and stability. Show less

  • SDE-2

    Jul 2024 - Mar 2025

  • SDE

    Jun 2022 - Jun 2024
• 

  Amazon

  Apr 2025 - now

  Software development engineer L5