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Avant Mittal, Software Developer in Delhi, India
Avant Mittal

Software Developer in Delhi, India

Member since January 17, 2019
After earning his computer science degree from Thapar University in India, Avant has gained professional and independent consulting experience in organizations of all sizes from large IT companies to small startups. With a focus on Ruby on Rails, he's built and created relationships and great applications for clients including Chipotle, Sebamed USA, HealthEngine, DealDey, and many more.
Avant is now available for hire



  • Ruby on Rails (RoR), 6 years
  • Ruby, 6 years
  • Agile, 5 years
  • PostgreSQL, 5 years
  • AWS Deployment, 5 years
  • Redis, 4 years
  • JavaScript, 4 years
  • Elasticsearch, 3 years
Delhi, India



Preferred Environment

Ruby On Rails, JavaScript, AWS

The most amazing...

...project I've worked on was ReviewMaiden where we had to do a lot of analytics, and I wrote a class that optimized the code heavily


  • Developer

    2012 - PRESENT
    • Worked with multiple clients ensuring fast and reliable delivery of key features.
    • Ensured coordination with other team members for effective integration of key features.
    • Led the development of Chipotle's global CMS with the intent to launch international websites in multiple languages and easily update existing websites.
    • Contributed as the lead developer on DealDey, Africa's largest eCommerce solution that includes the ability to easily track inventory and manage online orders.
    • Added new features and maintained the eCommerce application for Sebamed USA.
    Technologies: Ruby on Rails, AWS, JavaScript, PostgreSQL, Elasticsearch, Spree, MySQL
  • Programmer Analyst

    2011 - 2011
    • Worked on analytics applications for Citi Bank.
    Technologies: SAS, SQL
  • ASE

    2010 - 2011
    Tata Consultancy Services
    • Contributed to the BFSI sector to create a web application for an insurance company.
    Technologies: Java


  • ReviewMaiden - NLP and Analytics (Development)

    ReviewMaiden aims to help different business locations (including brick and mortar stores) to know their reputation online. The platform helps you get all your reviews from different social media into one place and ensure you get insights based on those reviews to know what customers are liking/disliking about your products and services.

    The core features of the application that I worked on include:
    1. Using the NLP to analyze sentiments in the reviews and identify the keywords related to those reviews
    2. Using Elasticsearch to identify trending keywords
    3. Display analytics information based on location, time frame, review types and much more in concise Highcharts graphs.
    4. Optimizing the application to ensure the application can scale

  • Chipotle Mexican Grill (Development)

    Chipotle is a billion-dollar Mexican food chain company. I worked on developing a CMS solution for the company which is responsible for launching multiple websites for the company in multiple countries. The platform enables Chipotle to create a site, add various components that define the UI of the website using a live editor and later publish them on the web.

  • Sebamed USA (Development)

    Sebamed is the market leader for scientific skincare and body cleansing products in Germany and is sold in over 85 countries. I worked with the sole distributor of Sebamed in the USA to launch an eCommerce solution using Spree. In addition, I have worked on adding multiple features on the website. Some of them include adding advanced search using Elasticsearch, up-selling and cross-selling using customer purchase history, enabling advanced SEO by following Google Best Practices, import/export products and other information using excel, monthly order summary report, and more.

  • Healthengine (Development)

    Healthengine is a healthcare startup focusing on reducing the cost of health procedures for the users. I worked on the migration of their core app from Azure to AWS and enabling maintenance on the project. Also worked on integrating a new API for the project to retire the existing scraper for the project.

  • DealDey (Development)

    DealDey is a deals website by Africa's top entrepreneur, Sim Shagaya. I worked on making the web application using Spree commerce framework.

  • Rails 6 Features: What's New and Why It Matters (Publication)
    Rails 6 is finally here, featuring major improvements and clever new features that should make development easier and faster than ever. In this article, Toptal Ruby on Rails Developer Avant Mittal dives into the Rails 6 changelog to introduce you to these new features and explain how you will be using them in your next Rails project.


  • Frameworks

    Ruby on Rails (RoR), OAuth 2
  • Languages

    Ruby, SQL, JavaScript
  • Tools

    AWS Deployment, Postman
  • Paradigms

  • Storage

    Elasticsearch, PostgreSQL, Redis, MySQL
  • Other

    Domain DNS Setup, APIs
  • Libraries/APIs

    Facebook API, Twilio API, Salesforce API, SendGrid API, Stripe API, PayPal API, JSON API
  • Platforms

    New Relic


  • Bachelor of Technology degree in Computer Science
    2006 - 2010
    Thapar University - Punjab, India
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