me

Jeff Campecino

Software Engineer

Senior Front-End Software Engineer with 8+ years building scalable, compliant web applications in regulated industries, including 6 years at Confident LIMS — one of the leading LIMS serving testing labs natiownide. Strong expertise in React, TypeScript, modern JavaScript (ES6+), performance optimization, accessibility, and delivering clean, tested customer-facing features. Proven self-starter who partners with product and design to drive features end-to-end in fast-paced environments.

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  • July 2023 - February 2025

    Software Engineer - Confident LIMS

    • Led migration of legacy AngularJS components to modern React and TypeScript applications, significantly improving performance, scalability, accessibility, and cross-browser compatibility in a highly regulated cannabis lab environment.
    • Collaborated directly with product, design, and support stakeholders to gather requirements, design, develop, and iterate on customer-facing features and enhancements, delivering clean, tested, and maintainable code that reduced recurring defects and improved user experience.
    • Built reusable component libraries and actively participated in code reviews, upholding high standards for code quality, organization, and elegance while supporting production deployments.
    ReactTypeScriptJavaScriptPythonPostgreSQL
  • April 2019 - July 2023

    Client Success Engineer - Confident LIMS

    • Developed and customized frontend solutions and automated workflows for mission-critical client portals and lab applications in the regulated cannabis industry, ensuring data integrity, regulatory compliance, and seamless user experiences.
    • Acted as a technical bridge between engineering, clients, and cross-functional teams, proactively translating user needs into production enhancements, debugging complex issues, and driving features end-to-end using SDLC best practices.
    • Supported high-volume production web applications with a focus on performance optimization, API integrations, and reliable, accessible experiences for diverse users across 30+ states.
    ReactTypeScriptJavaScriptPythonPostgreSQL
  • April 2017 - January 2019

    Web Programmer - Advantage Route Systems

    • Designed, developed, and maintained web-based applications using modern JavaScript, C#, and .NET, including RESTful API endpoints for client integrations, with emphasis on clean code, responsiveness, and security.
    • Troubleshot and optimized application performance across hosting environments while collaborating with clients to implement custom features and ensure smooth onboarding.
    VueJSJavaScriptWordPress,C#
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  • Pandan

    Restaurant inventory management system (in progress)

    ReactNext.jsPostgreSQLVercelSupabaseTailwindCSS

  • Pick A Damn Movie

    An app that allows you to pick a damn movie.

    ReactNext.jsPostgreSQLVercelSupabaseTailwindCSS

  • Airman Accountability System

    A desktop application that allows users to track the status of airmen on a military base.

    VueJavaScriptNodePostgreSQLQuasar FrameworkElectron

  • Dark.net Hacker

    A mobile game based on the game Mastermind, but with a hacker twist.

    AngularJS v1JavaScriptIonic Framework v1

  • Corswerk v1

    An app for students so they can track their to-do lists and assignments.

    AngularJS v1JavaScriptIonic Framework v1