Zach Efrati, System Design Developer in Hoboken, NJ, United States
Zach Efrati

System Design Developer in Hoboken, NJ, United States

Member since February 17, 2018
Zach has 15+ years of experience as an individual contributor, team leader, and engineering director, combined with product management experience. He's well versed with numerous platforms, frameworks, and programming languages including, but not limited to AWS, ML, Node.js, Python, and much more.
Zach is now available for hire


  • Braze
    Redis, MongoDB, Ruby on Rails (RoR), Ruby
  • Vonage
    Amazon Web Services (AWS), AWS EC2 API, AWS, AWS DynamoDB, AWS S3, AWS SES...
    C#, Mobile



Hoboken, NJ, United States



Preferred Environment

VS Code

The most amazing...

...project that I've built was a multi-tenant chatbot platform.


  • Director of Engineering

    2018 - 2018
    • Led a team responsible for core functionalities of a marketing platform.
    • Built a machine-learning team from the grounds-up.
    • Led Agile transformation process.
    Technologies: Redis, MongoDB, Ruby on Rails (RoR), Ruby
  • Senior Director of Innovation

    2010 - 2018
    • Envisioned, designed, and built a multi-tenant platform for chatbots. The platform was channel-agnostic and allowed for zero-deployment when conversation templates required updates.
    • Built Voice skills for Alexa and Google Home. Integrated with 3rd party services and API for enhanced functionality such as calendar integration and communication solutions.
    • Built numerous AI-based services from transcription to voice sentiment to image recognition.
    • Explored and chose technologies for task-specific projects.
    • Spearheaded multi-group projects including sales, marketing and legal.
    Technologies: Amazon Web Services (AWS), AWS EC2 API, AWS, AWS DynamoDB, AWS S3, AWS SES, Firebase, A-Frame, Node.js, Python, Java
  • Director of Technology

    2006 - 2010
    • Managed a team responsible for building mobile applications for various mobile platforms. The application was installed and used by 10,000s of users.
    • Integrated with 3rd party services.
    • Managed and scaled development teams.
    • Defined development process and methodology.
    Technologies: C#, Mobile


  • Virtual Conference Manager

    A voice-activated service for setting up, managing and calling to conference calls. The service integrates with online calendars (Google Calendar, Outlook) to find meetings, extract conference call information (title, bridge number, pin, etc.), and make the call


  • Languages

    JavaScript, Python 3, C, C++, CoffeeScript, Ruby, Python, Java, C#, C#.NET, SQL
  • Libraries/APIs

    Node.js, EJS, Google+ API, Chai, Sinon.JS, WebRTC, AWS EC2 API, LSTM
  • Tools

    JavaScript Debugging, JavaScript Testing, Mongoose, GitHub, Mocha, Dialogflow, Node Version Manager, Git, VS Code, AWS SES
  • Paradigms

  • Platforms

    Firebase, Amazon Alexa, Linux, Mobile, Amazon Web Services (AWS)
  • Storage

    MongoDB, AWS DynamoDB, NoSQL, PostgreSQL, AWS S3, Redis
  • Other

    APIs, RTP, SIP, H.323, Code Architecture, System Design, Bcrypt, HTTP Request Methods, Async/Await, RESTful Routes, AWS Route 53, Deep Neural Networks, Neural Networks, Convolutional Neural Networks, Recurrent Neural Networks, Google Home, Natural Language Processing (NLP), LSTM Networks, AWS, Machine Learning, VoIP
  • Frameworks

    YARN, A-Frame, Express.js, Koa, Compass, Ruby on Rails (RoR)


  • Bachelor of Science degree in Computer Sciences and Mathematics
    1997 - 2001
    Ben Guryon University - Israel


  • Deep Learning Specialization
    JUNE 2018 - PRESENT

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