toptal.com
Contact us: +1.888.604.3188
Sean McCall, Design Developer in Brookfield, WI, United States
Sean McCall

Design Developer in Brookfield, WI, United States

Member since May 14, 2019
Sean is a senior developer with a broad and versatile skillset and works heavily in React, React Native, and Node.js. He has an entrepreneurial spirit and a midwest work-ethic and has worked with a large range of companies of different size and scope. His strong theoretical and practical background in software architecture, UI design, DevOps, and business consulting make him extremely capable on projects of any size.
Sean is now available for hire
Hire Sean

Portfolio

  • Unaty
    Meteor, React, React Native, React Router, Node.js, AWS, Mailgun, CircleCI
  • Freelance
    WordPress, Hugo, Jenkins, Python, Circle CI, React, React Native
  • Accenture
    React Native, Python, Excel, SQL, SAP, Salesforce

Experience

Location

Brookfield, WI, United States

Availability

Part-time

Preferred Environment

MacOS, Webstorm, Xcode, Git

The most amazing...

...thing I've built is a systems integration testing automation app that saved a client over $1 million per year in saved time.

Employment

  • CEO and Co-founder

    2017 - PRESENT
    Unaty
    • Designed and built a single page application all-in-one social workspace platform from scratch, now used by over 10,000 people.
    • Shipped an integrated file system, events management, members/guests, teams/roles, permissions structure, tasks, wiki, and much more.
    • Designed and implemented a REST API to access all functionality.
    • Ported React application to React Native and built a mobile app.
    • Compartmentalized front and back-end functionality into generalizable functions.
    Technologies: Meteor, React, React Native, React Router, Node.js, AWS, Mailgun, CircleCI

  • Full-stack Developer

    2013 - 2018
    Freelance
    • Implemented three separate multi-language and currency eCommerce shops for European jewelry, sports, and shopping sites.
    • Provided graphic design work for over 100 clients over 5 years - all work received through referrals.
    • Automated deployment of static websites using Hugo and education of small business owners on usage.
    • Created a custom WordPress theme that better handles multi-lingual and multi-currency shops.
    • Built business process workflow builder to integrate multiple SaaS services using Angular, Express.js, and Python.
    • Conceptualized and developed a group study/university planning application with events/documents/groups/calendar functionality using Angular/MongoDB/Express.js.
    Technologies: WordPress, Hugo, Jenkins, Python, Circle CI, React, React Native

  • Working Student

    2016 - 2017
    Accenture
    • Created an automation app using Node, Express.js, and SAP software that saved the client over $1 million per year in saved time by automating global systems integration testing for major chip manufacturer.
    • Named contributor on internal assets relating to software architecture.
    • Conducted business risk assessments on the software landscape for major financial institutions across the world.
    Technologies: React Native, Python, Excel, SQL, SAP, Salesforce

  • UI/UX Designer and Developer

    2015 - 2016
    Eichmeister Advertising Agency
    • Conceptualized and built multiple sites and marketing funnels for European SMBs.
    • Brought in new business and expanded existing business accounts with creative customer offerings.
    Technologies: React, React Native, WordpPess, AWS

  • Head of Marketing

    2014 - 2016
    Clarion River Brewing Company
    • Coordinated and launched a major marketing campaign that reached tens of thousands.
    • Grew online presence from 0 to over 6,000 followers in 1 week, direct contribution to the company's bottom line.
    Technologies: WordPress, Facebook API, LinkedIn API

Experience

  • Unaty (Development)

    All-in-one social workspace for teams and organizations. Automate, collaborate, align, and get organized. Unaty gives leaders all they need in one tool.

Skills

  • Languages

    JavaScript, PHP, HTML, CSS, Python, SQL

  • Frameworks

    React Native, Angular, Express.js

  • Libraries/APIs

    React, React Router, Node.js, React DnD, LinkedIn API, Facebook API, React Redux

  • Tools

    WebStorm, CircleCI, Sublime Text

  • Storage

    MongoDB, AWS S3

  • Other

    Design, App UX, UX Flows, UX Architecture, Architecture, SAP

  • Paradigms

    DevOps

  • Platforms

    iOS, Android, Firebase, Salesforce

Education

  • Progress towards a bachelor's degree in Business Administration
    2015 - 2018
    Ludwig-Maximilians-Universität - Munich, Germany

To view more profiles

Join Toptal
Share it with others
Hire the top 3% of freelance developers TM