Andrew Giangrant, APIs Developer in Los Angeles, CA, United States
Andrew Giangrant

APIs Developer in Los Angeles, CA, United States

Member since July 10, 2018
Andrew is a remote senior full-stack web developer and architect who is always ready to devise a new solution to the next problem. He enjoys designing and planning strategies ahead of a project and the implementation that follows, ensuring project requirements are met and giving feedback and ideas where appropriate. Given the task at hand, Andrew adjusts well to a variety of programming languages and technologies to provide long-term optimal platform solutions.
Andrew is now available for hire




Los Angeles, CA, United States



Preferred Environment

Git, Visual Studio Code, Linux Mint, Amazon Web Services (AWS), Agile

The most amazing...

...system that I've built is an event system with auditing that generates notifications. The functionality was introduced platform-wide with minimal changes.


  • Senior Engineer Team Lead

    2021 - PRESENT
    • Improved developer experience, converting large portions of the platform incrementally to TypeScript.
    • Migrated userbase to Auth0 and then to Okta at the client's request, implementing SSO to and from Okta.
    • Implemented the event system used for auditing and generating tasks and notifications for application users.
    • Integrated GitHub workflow used to test lint and run unit and integration tests on each pull request.
    • Provided direction and plan for platform integrations.
    Technologies: JavaScript, TypeScript, Node.js, React, Amazon SQS, PostgreSQL
  • Senior Engineer Lead

    2020 - 2021
    Anthem - Digital
    • Provided chat history functionality for live agent and chatbot conversations.
    • Worked directly with several teams to coordinate efforts and meet tight deadlines.
    • Advocated unit testing to reduce regression and stabilize existing services.
    • Communicated changes and provided insight and direction where appropriate.
    • Upgraded existing services to support new features.
    • Designed APIs to meet the needs of current goals and direction for the future.
    • Integrate SMS chat functionality that hooks into the existing chat system.
    Technologies: Redis, TypeScript, Docker, Apache Kafka, Node.js
  • Senior Full-stack Engineer

    2019 - 2020
    Impressure/Aramis Interactive
    • Provided real-time data aggregation from third party API sources.
    • Created centralized user profiling with MongoDB and Serverless Framework.
    • Integrated API data into advanced Looker dashboards.
    • Set up and managed AWS infrastructure.
    • Tested locally to ensure accurate incoming data.
    Technologies: MongoDB, Redshift, React, Ruby on Rails (RoR), Ruby, Node.js
  • Senior Product Developer

    2018 - 2019
    Dealer Inspire (
    • Implemented custom components in ReactJS, such as photo carousels. Ensured components were both functional and intuitive.
    • Architected a centralized audit system in serverless AWS using AWS Lambda and DynamoDB.
    • Generated customized CSVs to export data from MongoDB.
    • Wrote tests for both NodeJS using Mocha and ReactJS using Jest.
    • Mentored new developers to enable them to hit the ground running.
    • Implemented streaming for media within a GraphQL implementation of a Node.js server.
    • Heavily involved with architectural decisions in both front and back end (NodeJS and ReactJS).
    Technologies: Amazon Web Services (AWS), GraphQL, Jest, React, Mocha, MongoDB, AWS DynamoDB, AWS Lambda, AWS, JavaScript, Node.js
  • Full Stack Software Developer

    2017 - 2018
    Tenex Developers
    • Built solid, scalable software for clients.
    • Used best practices and developer tools for rapid, efficient development, such as writing very DRY code, using debuggers, and separation of concerns.
    • Learned the ins and outs of test-driven development and how it will save development time in the future.
    • Adapted very quickly by working on multiple frameworks at once (Phoenix, Ruby on Rails, Javascript).
    • Used new technology (Elixir and Phoenix Framework) that was learned quickly because it was a better fit for the task.
    • Implemented new features for clients like drive and walk scores for a real estate app in both native Android and native iOS apps.
    Technologies: JavaScript, Ruby on Rails (RoR), Ruby, Phoenix, Elixir
  • Software Engineer

    2016 - 2017
    Devilbiss Healthcare, LLC
    • Maintained and built on existing software products, as well as took on new projects.
    • Added NodeJS application to connect with mobile apps and sync data.
    • Deployed development and production applications on IIS.
    • Built a data API with authentication with ASP.NET Core, complete with documentation and tests.
    • Developed with ASP.NET and .NET frameworks to add new features, like assigning user groups to medical faculty.
    • Updated ASP.NET boilerplate version to build new permission based features.
    Technologies: IIS, Visual Studio, JavaScript, C#
  • Software Engineer in Test

    2014 - 2016
    Interactive Intelligence, Inc
    • Started as an intern and become full-time in 2015.
    • Learned Node.js in a testing environment, where the test environment was connected to a live development server.
    • Implemented a secure TLS connection between the development server and test environment.
    • Learned an extensive amount of JavaScript and techniques for more performant and reusable code by building out modular libraries.
    • Built a mock fax server that was used to simulate a real fax machine to test faxes.
    • Implemented a pairing test, which paired the test environment to the development server based on a schedule.
    Technologies: JavaScript, Node.js


  • NodeJS Fax Server

    Mock fax server that uses Linux, Hylafax, Asterisk, IAXModem, and NodeJS to send and receive faxes within a network.

  • Travel Application

    An application that organizes travel plans into a React user interface. The back end was written in NodeJS with Babel. Docker was used to isolate the development environment. Unit tests were written for front-end components and back-end functionality.

  • Elixir Angular 2 Medical Application

    An Angular 2 application built to calculate observed vs expected stay ratios. This was built with Angular 2 and Elixir with the Phoenix Framework. The most difficult challenge with this project was the lack of knowledge of Elixir before working through the tasks.

  • Energy Front-end

    A dashboard built in Angular 2 to show energy consumption data from users with services with energy providers. The Angular 2 front-end used observables to fetch data from an API.


  • Languages

    CSS3, HTML5, JavaScript, TypeScript 3, GraphQL, TypeScript, Java, C#, Bash, Ruby, Elixir
  • Frameworks

    Redux, React Native, Angular, Serverless Framework, Jest, Ruby on Rails (RoR), Phoenix, Windows PowerShell, Electron
  • Libraries/APIs

    React, Node.js
  • Tools

    Babel, Git, Slack, Jira, Docker Compose, Visual Studio, Mocha, Android Studio, GitHub, Bitbucket, Amazon SQS
  • Paradigms

    REST, Web Architecture, Agile
  • Platforms

    Docker, Visual Studio Code, Windows, MacOS, AWS Lambda, Apache Kafka, Amazon Web Services (AWS), Linux, Android, Linux Mint
  • Other

    APIs, Software Development, Technical Architecture, Version Control, IIS, AWS
  • Storage

    Databases, API Databases, PostgreSQL, MongoDB, Redshift, AWS DynamoDB, Redis, MySQL, Google Cloud


  • Bachelor of Science Degree in Computer and Information Science
    2013 - 2015
    SUNY Polytechnic Institute - New York

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