Chris Zarlengo, Full-stack Developer in Seattle, WA, United States
Chris Zarlengo

Full-stack Developer in Seattle, WA, United States

Member since June 7, 2021
Chris has been developing custom production software for aerospace and industrial manufacturers to support various operations with automated solutions for the organization's needs. His projects include integrating machinery into an internet-of-things (IoT) system for viewing the current status of operations within the factory, developing robotic solutions to automate tasks, and fully digitizing operations removing paper from the floor and allowing data to drive decisions for the factory.
Chris is now available for hire




Seattle, WA, United States



Preferred Environment

Windows, MacOS

The most amazing...

...project I developed was a live factory display board showing equipment and process status for employees by networking "dumb" machinery allowing data collection.


  • Full-stack Engineer

    2021 - PRESENT
    Costco Wholesale
    • Provided support to manufacturing facilities to implement new features and provide solutions to the technician changing requirements.
    • Worked in an Agile Scrum team to meet factory's roadmap plan to provide new features incrementally for their operators.
    • Collaborated with multiple departments to ensure meeting system performance, database administration, and quality testing.
    Technologies: JavaScript, C#, PLC, CSS, HTML, APIs, React, SQL, AngularJS, ASP.NET MVC, Oracle, Microsoft SQL Server, SSRS, GitHub, Agile, Agile Sprints, Git, Front-end, Back-end, Full-stack, TypeScript, JSON, Manufacturing, Microsoft Dynamics, Microsoft Dynamics CRM, Dynamics CRM 365, Microsoft Power Apps, Azure
  • Full-stack Developer and Senior Manufacturing Engineer

    2020 - 2021
    OMAX Corporation
    • Integrated prototype system hardware into testing stations as measured with a successful, bug-free launch into production by developing a Node.js-based software interface to manage data collection and hardware control through IO signals.
    • Coordinated with development and operational teams to complete key milestones before crucial release deadlines by creating clean, documented, and tested code.
    • Managed multiple concurrent high-value projects qualified by meeting all program milestones by ensuring tasks were prioritized and continually adjusting the program to align the schedule after issues were identified.
    Technologies: Node.js, JavaScript, AngularJS, CSS, HTML, SQL, MQTT, Node-RED, PLC, Modbus Protocol, Mechanical Design, Mechanical Engineering, Controls, Electrical Design, Git, Bitbucket, Front-end, Back-end, Full-stack, Manufacturing
  • Lead Full-stack Developer and Manufacturing Manager

    2012 - 2019
    Flow International Corporation
    • Developed a real-time process monitoring system that reduced quality costs by 40% through networking all machines and designing a visual display for operators and management to see the current program status.
    • Digitized manual data collection measured with unmanaged systems by converting excel sheets into a SQL database and developing VBS scripts to manage data verification and import information from operators.
    • Successfully implemented live machine monitoring systems as measured by an increase in the number of quality parts between failures by analyzing inspection results and developing a statistical process control (SPC) system to optimize CNC machines.
    • Grew a manufacturing business idea into a $2.5 million annual revenue program with 8% profit and 100% on-time delivery. Established a fully digital production factory that tracked parts and identified and corrected issues before impacting production.
    • Achieved a 30% savings in the program's consumable costs by developing tool maintenance software that utilizes regression analysis on tool wear against the total allowable tolerance to maximize usage.
    Technologies: JavaScript, CSS, HTML, Python, MySQL, Microsoft SQL Server, .NET, Internet of Things (IoT), Product Lifecycle Management (PLM), Agile, Jira, PLC, Web Scraping, API Architecture, REST API Architecture, REST APIs, Full-stack, UI Grid, UI Development, REST, Mechanical Assembly, Mechanical Design, Electrical Design, Controls, Mechanical Engineering, Aerospace & Defense, Git, GitHub, Leadership, Management, Engineering, Engineering Management, Front-end, Back-end, TCP/IP, UDP, TCP, Excel Macros, Microsoft Excel, Technical Leadership, Technical Hiring, Linux, Technical Writing, JSON, Manufacturing, Microsoft Dynamics AX
  • .NET Developer and Manufacturing Engineer

    2010 - 2012
    Hexcel Corporation
    • Increased on-time delivery from 54% to 89% as measured by the delivery rate three months from implementation by developing an automation program to replace a manual scheduling and planning operation.
    • Reduced the cost waste quantified by scrap and rework costs by employing statistical analysis in a design of experiments program relating production parameters to results to determine optimal formulas for each product.
    • Developed prototypes and production fixtures using additive printers qualified with passing part testing requirements by designing the fixtures and programming the machine.
    Technologies: .NET, Visual Basic for Applications (VBA), Python, Aerospace & Defense, Mechanical Engineering, Mechanical Design, Excel VBA, Excel Macros, Project Scheduling, Microsoft Excel, Manufacturing


  • Equipment Tracking Website

    A Node.js React website that tracks a company's assets, including clients, projects, and equipment. Monitors inventory within the building and what is checked out to each associate. The mobile-friendly design allows associates to transfer equipment between each other while offline.

  • Martial Arts Attendance Tracking

    An API-based website interface allowing instructors to check in with clients through a clean and simple user interface and the website was designed around disconnecting instructors from a desktop computer and moving to a mobile device that connects to using API calls to update the client information. The interface is simplified to a single touch to check in a client, replacing a manual of entering each client's name into the point-of-sale system.

  • Retail Website

    A React-based website redesign, modernizing front-end technologies while building a responsive, mobile-friendly site. It integrates an MUI framework to build common components across the website. I added extensive unit and E2E test coverage for the application.

  • SDK Update

    Back-end development to update SDKs in C#, Java, Node.js, PHP, Python, and Ruby. I updated packages with API updates from the prior several years, including unit testing to add coverage for new features.


  • Languages

    JavaScript, CSS, HTML, SQL, PHP, Excel VBA, Visual Basic for Applications (VBA), Python, HTML5, TypeScript, C#, Java, Ruby
  • Frameworks

    MUI (Material UI), .NET, Bootstrap, Express.js, Jest, Swagger, AngularJS, ASP.NET MVC, Django, Redux
  • Libraries/APIs

    Node.js, React, Mindbody API, jQuery, REST APIs, Socket.IO, Handlebars, QuickBooks API
  • Tools

    Microsoft Excel, Jira, GitHub, MQTT, Node-RED, UI Grid, Git, Bitbucket, CircleCI, SonarQube, Microsoft Dynamics AX, Docker Compose, SSRS, MATLAB, Microsoft Dynamics, Microsoft Dynamics CRM, Microsoft Power Apps
  • Paradigms

    API Architecture, Mechanical Design, REST API Architecture, REST, Management, Continuous Delivery (CD), Agile, Continuous Integration (CI), Testing, E2E Testing
  • Platforms

    Windows, MacOS, Linux, Docker, Google Cloud Platform (GCP), Oracle, Heroku, Shopify, Azure
  • Storage

    MySQL, Microsoft SQL Server, PostgreSQL, Google Cloud, JSON, MongoDB
  • Other

    Internet of Things (IoT), Product Lifecycle Management (PLM), Ajax, Web Scraping, Full-stack, Mechanical Assembly, Controls, Mechanical Engineering, Leadership, Engineering, Front-end, Back-end, Excel Macros, API Documentation, Technical Writing, Manufacturing, PLC, APIs, SOAP, CSS5, Modbus Protocol, UI Development, Electrical Design, Aerospace & Defense, Agile Sprints, Engineering Management, TCP/IP, UDP, TCP, Project Scheduling, Technical Leadership, Technical Hiring, MERN Stack, PWA, Lint, Progressive Web Applications (PWA), API Testing, SDKs, Software Development Toolkits (SDK), Dynamics CRM 365


  • Bachelor's Degree in Aerospace Engineering
    2001 - 2005
    Embry-Riddle Aeronautical University - Prescott, AZ


  • Full Stack Web Developer
    University of Washington

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