Mary I Sheahen, Software Developer in Narragansett, RI, United States
Mary I Sheahen

Software Developer in Narragansett, RI, United States

Member since December 7, 2016
Mary is an experience web developer with a passion for user experience and 7+ years of industry expertise. With a master's degree in computer science and a Nanodegree in senior web development, she is well positioned to tackle any project.
Mary is now available for hire



  • MySQL, 7 years
  • HTML, 7 years
  • JavaScript, 7 years
  • CSS3, 7 years
  • Angular, 4 years
  • Ember.js, 4 years
  • Android, 4 years
  • React, 3 years


Narragansett, RI, United States



Preferred Environment


The most amazing...

...aspect of UX is creating applications that are not only beautiful, but work for your target user.


  • UX Development Lead

    2018 - PRESENT
    SLCKET, Inc
    • Implemented architecture for a hybrid mobile app by creating SQLite database handlers, controller, and views.
    • Created Android and iOS custom functions to access phone-specific controls such as camera access, speech recognition, and gallery photo pickers.
    • Contributed to and helped maintain PHP API endpoints, ensuring tight security and fast performance.
    • Created pixel perfect implementations of custom designs provided by the design team, ensuring responsiveness overall device sizes.
    • Created a lightweight custom javascript framework to handle data passing from native mobile features to unified javascript UI.
    • Implemented CSS animations for over 4 games. Animation styles included a countdown ticker loading layer, moving backgrounds on the games, and success/failure animations on certain game actions.
    Technologies: CSS3, PHP, MYSQL, Javascript, HTML, AWS, Swift, Java
  • Front End Developer

    2019 - 2019 (via TopTal)
    • Implement and collaborated on new designs for context menus and tooltip menus for canvas-based drawing tool.
    • Created new components in React that allowed for text manipulation.
    • Leveraged Fabric.js methods in order to update font styles and integrated into text changing components.
    Technologies: React, Canvas, css, html, javascript, fabric.js
  • UX Developer

    2015 - 2018
    Fidelity Investments
    • Worked closely with a team of designers and developers to implement working prototypes for web-based financial applications.
    • Successfully delivered over 12 projects over the three year period.
    • Contributed and maintained custom Angular2 based UI framework used across multiple applications in the organization.
    Technologies: Angular2, SCSS, Ember.js, CSS, HTML, Javascript, SQL
  • Full Stack Developer

    2014 - 2015
    SLCKET, Inc
    • Implemented web and mobile applications for a mobile web-based social media application.
    • Technologies and skills include MYSQL, responsive design, CSS3, SASS, HTML5, PHP, complex ajax queries, vanilla javascript, and object-oriented programming.
    Technologies: PHP, MYSQL, HTML, Javascript, SCSS, CSS


  • Data Visualization Project (Development)

    This project used Highcharts.js and d3.js to help visualize data that was being collected about nursing home residents and their health activity. I re-designed and developed a new web interface using responsive design techniques. The web interface was then used for viewing clinical data stored in a MYSQL database, involving writing complex queries and using PHP, CSS, HTML, JavaScript, and jQuery.


  • Languages

    HTML, JavaScript, CSS3, Swift
  • Frameworks

    Angular, Ember.js, React Native
  • Libraries/APIs

    React, Highcharts, D3.js
  • Storage

  • Other

    CSS3 Animation
  • Platforms

    Android, iOS


  • Master's degree in Computer Science
    2011 - 2015
    University of Missouri - Columbia - Columbia, MO
  • Bachelor's degree in Biological Engineering
    2007 - 2011
    University of Missouri - Columbia - Columbia, MO
  • Senior Web Developer Nanodegree

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