Daniel Cohen

Daniel Cohen

Senior Web Developer

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location of Daniel CohenNew York, New York, United States

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  • Timeline

  • About me

    Senior Software Engineer at Meta | Backend Software Engineer | Software Architect

  • Education

    • Connecticut College

      2003 - 2007
      Bachelor of Arts (BA) Computer Science
  • Experience

    • The JCC in Manhattan

      Jan 2008 - Apr 2012
      Senior Web Developer

      Oversaw complete redesign of an over 700 page website. Also, maintained the current site and created new features after the release. Worked in Core JavaScript, jQuery, ActionScript 3, Python and PHP. Key Projects:- search autocomplete serving suggestions with Python- a class listing search page with a number of filters and sorting mechanisms- dynamic page loading- carousels- fly out and sliding menus

    • Live Auctioneers

      Apr 2012 - Jul 2014
      Lead Web Developer

      Participated in complete website redesign. Worked as a full stack developer in a PHP and mySQL environment. Made major decisions about infrastructure architecture in order to handle server load.Key Projects:- search suggestions- dynamic page loading- messaging system- auction setup process revamp- failover architecture- redeveloped Flash live bidding console in AngularJS- made changes to iPhone and Android apps

    • Voxy

      Jul 2014 - Nov 2018
      Software Engineer
    • JOOR

      Nov 2018 - May 2021
      Senior Software Engineer

      Led design review meetings. Mentored junior engineers.- Designed and implemented the company’s Analytics data pipeline in GCP.- Developed and participated in the implementation of Joor’s notifications and messaging systems using Kafka architecture.- Designed and implemented a system for processing client files on upload.

    • Meta

      Jun 2021 - now
      Senior Software Engineer (IC5)

      Architected and developed solutions to facilitate online experimentation using Ax (Adaptive Experimentation using Bayesian Optimization) for Facebook, Instagram, WhatsApp and internal teams. Coordinated development of UI project for a team of 6 engineers via detailed documents specifying service interactions and timelines.Architected and developed solutions to facilitate online experimentation using Ax(https://github.com/facebook/Ax) for Facebook, Instagram, WhatsApp and internal teams.Developed core Ax functionality and contributed to Ax and botorch open source projects which applied to both online experimentation and hyperparameter tuning.Coordinated development of UI project for a team of 6 engineers via detailed document specifying service interactions.Onboarded multiple engineers, creating detailed ramp-up documentation and technical guidance.Acted as a primary technical expert on online experimentation ecosystem, fielding questions and providing architectural guidance.Developed a ChatBot to survey our users to track launches and deliver critical experiment updates.Promoted to IC5 Feb 2023. Show less

  • Licenses & Certifications