David Halsey

Angestellt, Senior Software Engineer, Yieldstreet

New York, United States of America


MS AppCenter
Ruby on Rails
Test Driven Development (TDD)
Cascading Style Sheets (CSS)
React Native


Professional experience for David Halsey

  • Current 6 years and 4 months, since Apr 2018

    Senior Software Engineer


    Complete brand refresh of the Portfolio experience, and refactor/migrate logic to new micro-service API. Plan and breakdown large-scale feature sets and collaborate with Design, Product, and Engineering to point and plan epics and sprints. Establish continuous development (integration, testing, and deployment) of features across web, android and iOS platforms. Interview, onboard, and mentor junior and mid-level engineers, focusing on technical fluency, knowledge of deployment, and test code coverage.

  • 1 year, Apr 2018 - Mar 2019

    Software Engineer


    Refactored frontend architecture from Angular 2+ to React. Owned feature development from initial requirements and wireframes, to testing and analysis during retrospectives. Collaborated with QA to develop end-to-end test coverage matrices for large scale features. Lead teams across both mobile and web platforms, serving in positions of design, QA, product management, and individual contributor.

  • 6 months, Oct 2017 - Mar 2018

    Frontend Engineer

    Accessories Direct

    Eliminated cross-platform browser incompatibilities via custom wrapper functions and jQuery. Redesigned media queries and optimized SCSS providing dynamic resizing and responsiveness for all webpage media. Integrated Instagram API for live feed and promotional broadcasting.

  • 6 months, Aug 2017 - Jan 2018

    Web Developer

    Castellano Ethnic Origins

    Designed and deployed individual product pages. Refactored media queries to provide consistent cross-platform browsing experience. Secured site against XXE, SQL, and XSS injections via document upload validation, strong params, and sanitized user input.

Educational background for David Halsey

  • 3 years and 10 months, Sep 2010 - Jun 2014

    Biological Sciences

    Nova Southeastern University

  • 3 years and 10 months, Sep 2006 - Jun 2010

    Biological Sciences

    University of New England (United States)


  • English

    First language

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