Michael
Kovacsik
Frontend Engineer

Summary

Senior Frontend Engineer with 8 years of experience building scalable, high-performance web applications using React and TypeScript. Contributed to enterprise platforms at Amazon, Walmart, and fintech organizations.

Versatile software engineer with project experience in multiple disciplines such as e-commerce, real-time geospatial mapping, data visuals, and video streaming.

  • Frontend: React, TypeScript, JavaScript (ES6+), HTML5, CSS3, SCSS/SASS, Accessibility (WCAG)
  • Architecture & State: Redux, TanStack Query, Context API, Component-Based Architecture
  • AWS: API Gateway, Lambda, EC2, S3 Buckets, Amplify, CoudWatch, CloudFront
  • Backend & APIs: Node.js, Express, Next.js, REST APIs, WebSockets, Server-Sent Events (SSE)
  • Data Visualizations & Mapping: Mapbox, Chart.js, Turf.js
  • Testing, Tooling & CI/CD: Git, Jest, React Testing Library, GitHub Actions, Jenkins, AWS, AI Agent Prompting
  • Soft Skills: Mentors junior developers, converts FIGMA designs into code, active in code reviews

Side Projects

RE-Commerce

A minimal e-commerce prototype website themed around the video game Resident Evil: Requiem. Features a store front landing page with featured items and items on sale, categories page, item page with an image carousel and 3D item viewer, and a checkout page with a geo map for airdrop shipment coordinate selection.

  • Frontend: React, Typescript, CSS3, Next.js, Redux
  • Backend: Node
  • Architecture: AWS Amplify, API Gateway, CloudFront, S3 Buckets, Lambda
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Game journalist AI chatbot

Chatbot to speak with an AI video game journalist. Ask any question related to the video game industry! Demonstrates AI integration into an application.

  • AI: Google Gemini AI
  • Backend: Next.js
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Military real-time map

Map-based single page app designed to demonstrate high performance user interactions while streaming real-time data.

  • Frontend: React, Typescript, Context (state management), CSS3, Three.js, Mapbox, Turf
  • Backend: Node.js, Express, Server Side Events
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Mini onboarding

Mini onboarding application to showcase a smooth flow of transitioning between form pages in a minimalist way

  • Frontend: React, Typescript, CSS3
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Jumbotron

Control center to update a football game state and video display of a jumbotron in real-time. Demonstrates video streaming to multiple clients

  • Frontend: React, Typescript, Tailwind
  • Backend: Node.js, Express, Websockets, video streaming
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Warehouse Logistics

Dashboard displaying logistics for a warehouse. Download filterable data as CSV

  • Frontend: React, Typescript, Apollo client
  • Backend: Node.js, Express, GraphQL, SQLite
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Text chat

A real-time chat application for seamless communication

  • Frontend: React, Typescript, Material UI
  • Backend: Node.js, Websockets
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Professional Experience

Mastech Opens in new tab
Jul 2025 - Feb 2026

Front End Engineer

Front End Engineer (Contractor) for Amazon on the Leo project, a low Earth orbit satellite internet initiative.
  • Developed reusable, high-performance React components for B2B e-commerce workflows.
  • Optimized data fetching and client-side state using TanStack Query and Context API.
  • Implemented accessible, WCAG-compliant interfaces with a focus on scalability and performance.
  • Collaborated cross-functionally with design, backend, product, and QA teams.
  • Refactored complex code to be simpler and more maintainable
Kitestring Technical Services Opens in new tab
Oct 2021 - Jan 2025

Software Engineer

Frontend Developer (Contractor) for Walmart on the COSTL project, Walmart's enterprise Point of Sale (POS) system used by store associates to process transactions and manage payments via physical devices and screens.
  • Built and maintained frontend features for Walmart’s enterprise point-of-sale system.
  • Delivered reliable React and TypeScript components for high-traffic retail environments.
  • Integrated APIs supporting transactional and real-time workflows.
  • Mentored junior engineers and participated in code reviews.
  • On-boarded new hires to get up to speed with code base and work flows.
  • Became a subject matter expert on multiple features
CarTrawler Opens in new tab
May 2019 - May 2021

Software Engineer

Frontend developer for a car rental widget to be integrated seamlessly in airline and airport websites world wide
  • Developed white-label booking widgets integrated across global airline and airport websites.
  • Created reusable UI components supporting multi-brand customization.
  • Collaborated with backend teams to ensure consistent cross-platform behavior.
BBVA Opens in new tab
Aug 2016 - May 2018

Software Developer I

Fullstack developer at BBVA bank to build and maintain an analytics dashboard while also working on a money transfer mobile app between the US and Mexico.
  • Built internal analytics dashboards and cross-border money transfer applications.
  • Delivered secure, data-driven financial features aligned with regulatory requirements.
  • Worked across frontend and backend technologies to support enterprise systems.

Education

University of Advancing Technology Opens in new tab
Bachelors degree in Multimedia

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