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Drapeau de Canada Toronto, Canada
Membre depuis le 16 mai 2016
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Hi there! My name is Sarah and I’m a former Amazon software development engineer with a background in full stack web and mobile development. I’ve spent nine years in the industry turning your innovative ideas into exceptional end products. I’m passionate about writing clean, modular, scalable, and well-tested code that’s easy to maintain. I pride myself on clear, efficient communication and I look forward to working with you to design and deliver the right solution to fit your budget, deadline, and requirements. My experience includes: • Web development from Javascript, HTML and CSS to Node.js to Ruby on Rails. • Android and IOS application development. • Java development with Spring and Tomcat/JSP. • Database work using Hibernate, Active Record, and plain old SQL. • Ruby, Python, Bash, and Perl scripts for everything from large scale testing automation to web scraping. • Linux-based development on Amazon Web Services (AWS), Google Cloud, and Firebase.
$35 USD/hr
10 commentaires
  • 92%Travaux complétés
  • 93%Selon le budget
  • 93%Dans les temps
  • 8%Taux de Réembauche


Avis récents

  • image de Kevin M. Apps + Dashboard completion $3927.00 USD

    “Great to work with, would highly recommend. She has done fantastic work on our apps. Will use again.”

  • image de Kevin M. Project for Sarah S. €400.00 EUR

    “Great working with Sarah, perfect communication and work delivered. Will definitely be using her again.”

  • image de James H. Polish and add features to existing Ruby on Rails eCommerce print site $666.30 USD

    “She is responsive and does great code. She unfortunately had to end the project before it was finished.”

  • image de Kevin B. ROR Website Integration with Custom Google Home App Development $2500.00 USD

    “YES she was great!”

  • image de Richard H. Project for Sarah S. $500.00 CAD

    “Sarah is professional and thorough. She delivered the project objectives on time and on budget.”

  • image de Saskia K. Project 16692919 has been deleted $30.00 USD

    “Sarah has been very helpful and explained to me everything in detail and in advance. She has been friendly and has, as a Canadian no wonder, exceptional english communication skills (which are hard to find on freelancer....) The work&help was provided very very quickly which was the most important to me. :-) thank you will definitely hire again”


Software Development Engineer

Jan 2012 - May 2015 (3 years)

Software development engineer working with the Amazon Appstore under AWS. Developed software to manage client payments, developed a self-serve promotions console for Appstore developers, managed Appstore and Kindle subscription services.

Teaching Assistant, Computer Science CSC104

Jan 2011 - Apr 2011 (3 months)

Taught beginner programmers to code simple multimedia applications in Python, marked assignments

Student Software Developer

Jan 2011 - May 2011 (4 months)

Reduced Java codebase by 15% through refactoring and dead code removal. Simplified the login interface and flow in the Android app.

Software Developer

Jan 2011 - Sep 2011 (8 months)

Single handedly built iOS (iPhone) family fitness game prototype Take Me With You. Created and administered Ruby on Rails server managing shared audiovisual items.

Software Developer

Apr 2010 - Aug 2010 (4 months)

Fixed clipboard persistence problem for Ubuntu in six GTK+ applications in C and Mono. Provided extensive testing and documentation for the bug many more apps.

Student Software Designer

Jan 2010 - Apr 2010 (3 months)

Designed Grocery Garden, helping busy people easily locate the groceries they prefer. Won second place at International Student Design Competition.

Student Software Designer and Developer

Apr 2009 - Aug 2009 (4 months)

Designed TracSNAP: Social Networking Analysis Tool as a Python plugin for the Trac project management system to allow scientists who maintain large codebases to locate colleagues with relevant experience.

Software Developer

Apr 2008 - Aug 2008 (4 months)

Developer for Ruby on Rails application allowing heart failure patients to test themselves at home and have results automatically managed on the server. Developed extensive build and testing automation in Bash and Ruby.


BSc Computer Science

2007 - 2011 (4 years)


  • US English Level 1
  • Preferred Freelancer Program SLA
  • Android 1


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