Mark Aaron Wlodawski, Front-end Developer in Orlando, FL, United States
Mark Aaron Wlodawski

Front-end Developer in Orlando, FL, United States

Member since August 13, 2019
Mark has over ten years of web and mobile app development experience. His primary focus is both on responsive web front-end and back-end API development with modern JavaScript frameworks and libraries—such as React, Redux, Angular, Vue.js, and Node.js—and also on cross-platform mobile app development with React Native. Overall, Mark has a demonstrated history of implementing integrations, creating pixel-perfect pages, and indexing.
Mark is now available for hire




Orlando, FL, United States



Preferred Environment

Linux, iOS, Windows, Agile Software Development

The most amazing...

...project I've worked on is a web app dedicated to managing tickets for drivers using the latest React version following best practices.


  • Medical Device Mobile App Developer

    2021 - 2021
    Green Sun Medical
    • Worked with the engineering team to help troubleshoot data transfer issues.
    • Helped to improve the user experience by optimizing components and UX.
    • Helped to solve an issue with debug mode and tested with a unit.
    Technologies: React Native, React, JSON, REST APIs, Bluetooth
  • React Native Developer

    2021 - 2021
    Sibros Technologies, Inc.
    • Helped to develop a new application that uses Bluetooth to interact with cars as a control unit.
    • Worked on the UI of the app and the integration with the back end.
    • Created the screens and components according to the design team's specifications.
    Technologies: React, React Native, JavaScript, Bluetooth, AWS, APIs
  • Front-end Developer

    2020 - 2021 LLC
    • Worked directly with the back-end developers to help optimize and add new features to a series of online tests and surveys.
    • Used JavaScript and jQuery to evolve existing web applications.
    • Improved styling and upgraded the functionality of the software.
    Technologies: JavaScript, jQuery, HTML, CSS, REST APIs, UX Design, Full-stack, AWS
  • Full-stack Developer (React Native)

    2020 - 2020
    Worklete, Inc. (via Toptal)
    • Implemented pixel-perfect designs with React Native UI library based on Eva Design System.
    • Refactored the existing codebase based on best practices and focused on test-driven-development.
    • Added Firebase back-end functions with Firebase administration.
    • Implemented push notifications for both iOS and Android platforms using FCM (Firebase Cloud Messaging).
    Technologies: Git, VS Code, Front-end Development,, MongoDB, TypeScript, Node.js, GitHub, CSS, JavaScript, Front-end, React, Firebase, React Native
  • Senior Front-end Engineer

    2020 - 2020, Inc. (via Toptal)
    • Migrated existing website assets to Webflow and collaborated with a senior visual designer.
    • Updated the look and feel of the website to use new design guidelines and assets.
    • Integrated third-party systems into Lob's public website (Marketo forms, greenhouse job board, Lob API documentation, and Lob API examples).
    Technologies: VS Code, HTML, Front-end Development, HTML5, CSS, JavaScript, Front-end, Webflow, CSS3, jQuery
  • Front-end Developer for a SaaS Real Estate Product (React/React Native)

    2020 - 2020
    The DataTape, Inc. (via Toptal)
    • Built responsive web front-end pages and implemented mobile-friendly and pixel-perfect designs with React.js, Redux, HTML5, CSS3, and styled-components.
    • Delivered a marketing website with React.js, HTML5, CSS3, and styled-components.
    • Built a cross-platform mobile app for iOS and Android platforms with React Native CLI, React, Redux, Redux-Thunk, and Axios.
    • Integrated several third-party React and React Native packages such as Google Mapbox, DnD, and Stripe payment.
    Technologies: Mapbox, Git, Express.js, VS Code, Figma, Webpack, Redux Thunk, ECMAScript (ES6), HTML, Front-end Development, Firebase, MongoDB, Node.js, Redux, HTML5, GitHub, Jira, CSS, JavaScript, Front-end, Axios, Styled-components, React Native, React, APIs
  • Vue.js Developer

    2019 - 2019
    The DGC Group (via Toptal)
    • Designed and built a map using Google Mapbox. Created an intro component by integrating Intro.js.
    • Developed the front end using ES6 and Vue.js 2 with a focus on component reusability.
    • Integrated a DHTMLX third-party library to implement a Gantt chart feature.
    Technologies: VS Code, Figma, Webpack, Bitbucket, HTML, Front-end Development, HTML5, Jira, CSS, JavaScript, Front-end, Mapbox, D3.js, UIKit, Vuex, Vue.js, APIs
  • Senior Front-end Engineer (React/React Native)

    2018 - 2019
    Rolfson Oil
    • Built web and mobile front-end pages using the React, Redux framework, Redux-thunk, React Native CLI, HTML5, CSS3, and React-Material-UI.
    • Developed a React Native iOS/Android app that helps drivers manage their tickets.
    • Enabled the mobile app to connect to Bluetooth printers to print tickets. Fixed an iPad issue for the printer plugin.
    • Created React components with React charts to support interactive visualizations of data projections and analysis.
    • Refactored very large front-end application code to make it more modular and reusable.
    Technologies: Mapbox, Git, Styled-components, VS Code, Figma, Webpack, Redux Thunk, ECMAScript (ES6), HTML, Axios, Front-end Development, Firebase, Redux, HTML5, GitHub, Jira, CSS, JavaScript, Front-end, CSS3, React Native, React, APIs
  • Senior Front-end Engineer (React/Redux)

    2018 - 2019
    • Built responsive desktop, and mobile front-end web pages using React, Redux, Redux-Saga, HTML5, CSS3, and styled-components.
    • Integrated the Gamepad API to define an individual gamepad or other controllers, allowing access to information such as button presses, axis positions, and id.
    • Integrated back-end endpoints with Axios and implemented a streaming feature with the WebSocket API.
    Technologies: jQuery, Git, Express.js, VS Code, Figma, Webpack, Redux-saga, ECMAScript (ES6), HTML, Axios, Front-end Development, Redux, HTML5, GitHub, Jira, CSS, JavaScript, Front-end, Styled-components, CSS3, React, APIs
  • React Native Developer

    2018 - 2018
    Telegraph Creative Press
    • Built the React Native app which pulls data from an existing grocery store eCommerce website built on Magento 2.
    • Integrated GraphQL server sitting between the Magento REST API and the React Native app which provides data.
    • Built a high-quality React Native codebase based on the best practices of ES6.
    • Implement animations with elegant UI on the latest versions of React Native.
    Technologies: Git, VS Code, Figma, ECMAScript (ES6), Front-end Development,, GitHub, CSS, JavaScript, Front-end, React Apollo, React, GraphQL, React Native
  • Full-stack JavaScript Engineer

    2012 - 2016
    • Developed back-end services for beautiful, fun, and engaging web and mobile apps that can be used anywhere, both on desktop or mobile devices.
    • Worked on projects related to real-time analytics and scalable social gaming architecture.
    • Converted graphic designs to pixel-perfect web and mobile pages.
    • Implemented a front-end compilation to catch more programmatic and logic errors.
    • Explored approaches in functional data structures, virtual DOM, multi-processor data streams, and pipelined web server streams over low-level Node.js APIs.
    Technologies: D3.js, Mapbox, jQuery, Git, Electron, Electron.js, UIKit, AngularJS, Angular Material, NgRx, SCSS, VS Code, Sublime Text, Webflow, Figma, React Apollo, Webpack, Redux Thunk, Redux-saga, ECMAScript (ES6), Bitbucket, HTML, Axios, Front-end Development, PSD to HTML, GitLab, Firebase, GatsbyJS, GraphQL, MongoDB, TypeScript, Node.js, Redux, HTML5, GitHub, Jira, CSS, JavaScript, Front-end, Styled-components, Bootstrap, CSS3, Express.js, Vuex, Vue.js, Angular, React, APIs


  • LiquidSky Gaming App

    I built the perfect app for gamers that play computer games on smartphones using React, Redux, HTML5, CSS3, Styled-components, and HTML5 Controller API.

  • Rolfson Oil

    Built the admin dashboard for data visualization using React, Redux, React-Material-UI, HTML5, CSS3, Styled-components, and Redux-Thunk. I also built a mobile app with React, Redux, and React Native CLI.

  • I Make the Sites | Portfolio Site

    I built this portfolio app using React, TypeScript, Firebase, Node.js and SCSS. It includes descriptions and links to a few of my projects and an integrated headless WordPress blog.
    Used skills: React, GraphQL, TypeScript, Wordpress headless CMS


  • Languages

    JavaScript, GraphQL, TypeScript
  • Frameworks

    Angular Material, Express.js, React Native, Redux, Angular, Tailwind CSS, AngularJS, UIKit
  • Libraries/APIs

    NgRx, Vuex, React, Redux-saga, Vue.js, Node.js, GatsbyJS, REST APIs, D3.js
  • Tools, Redux Thunk, GitHub, Webpack, React Apollo
  • Platforms

    Mapbox, Firebase, Linux, iOS, Windows
  • Storage

  • Other

    Styled-components, Bluetooth, Full-stack, APIs, AWS, eCommerce UI
  • Paradigms

    Agile Software Development


  • Master’s degree in Business Administration in International Trade
    2009 - 2011
    University of Memphis - Memphis, Tennessee, USA
  • Bachelor's degree in Asian Studies and International Trade
    2007 - 2009
    University of Memphis - Memphis, Tennessee, USA

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