Ivan Ma

Digital Assets Identification and Pricing - Senior SDE at TaxBit
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Contact Information
us****@****om
(386) 825-5501
Location
Seattle, Washington, United States, US
Languages
  • English Native or bilingual proficiency
  • Cantonese Elementary proficiency
  • Mandarin Limited working proficiency

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Bio

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Experience

    • United States
    • Software Development
    • 100 - 200 Employee
    • Digital Assets Identification and Pricing - Senior SDE
      • Nov 2022 - Present

    • United States
    • Software Development
    • 700 & Above Employee
    • F3IA - SDE II
      • Jan 2021 - Nov 2022

      NDA

    • Alexa Smart Home Automations - SDE II
      • Mar 2019 - Jan 2021

      * Built infrastructure (LPT 2.0) code from ground up to replace a deprecated and legacy solution. Expanded team’s capability to configure development infrastructure (Pipelines, Apollo, Metrics and Alarms, and Dashboards). Reduced time to deploy changes from 1 day to 1 hour.* Implemented, tested and launched Alexa App’s Routine Recommendations feature. React Native UI and animation, Redux (+ Reselect, Rereselect, & Thunk), and localization.* Expanded recommendation service to consume and process data from 3 services (BSF and Coral based) to produce a new category of recommendations. The new category accounts for over 100 routine creations by customers daily in NA and is projected to at least grow 5x.* Mentored and ramped up (backend biased) team of SDE IIs on Alexa app front end development. Enabled teammates to be front end effective and deliver work independently (2 GUI packages)* Solo interviewed 20+ L4 & L5 SDE candidates over the course of 6 months, resulting in 8 hires. Show less

    • Alexa Smart Home Controls - SDE II
      • May 2018 - Mar 2019

      * Delivered core features for revamp of Alexa app Smarthome page (aka Devices Channel): Redux Virtual Store, Models, Resources, Control, and (new endpoint) Banners.* Led initiative to improve code quality in Alexa Smart Home organization. Raised visibility and accountability by identifying relevant code packages and owners. Implemented DJS script to automatically generate weekly code coverage reports to organization and leadership.* Researched and published (Alexa app Smarthome) UPL Performance Benchmark Improvement report to organization and senior management. Report quantified the impact of the work executed under Performance Optimization Epic and identified app release trends. Show less

    • Campus Team - SDE I
      • Nov 2015 - Apr 2018

      * Researched, designed, and implemented features to support Amazon Campus Team’s Online Experience (AKA Campus Pickup Points): Coral services, DJS, Retail Search & Detail pages.* Drove development of a new GIVS data pipeline to process millions of address records and tag key geolocation and shortest drive times. Gathered requirements, researched and implemented tech stack (EDX, SQS/SNS, Spring Boot, Redshift), and handled Anvil certification.

    • United States
    • Software Development
    • 700 & Above Employee
    • Software Engineer
      • Sep 2014 - Oct 2015

      Software Engineer, Developer Experience - WinACK (Windows App Certification Kit). Design, implement, test, update and maintain features for tool kit. In addition, design and instrument WinACK tool kit to collect usage, performance, debugging,and metadata information to query, process, and analyze. Create telemetry dashboard reports for monitoring of WinACK tool kit health and usage as well as derive insight for future work. Ensure quality of tool kit by logging, root causing, and resolving bugs from internal or external teams or vendors. Show less

    • Software Development Engineer In Test
      • Oct 2013 - Sep 2014

      Software Developer Engineer in Test for Application Compatibility Device Compatibility team in Windows Group. Designed, maintained, and expanded test framework, test jobs and tools for WinACK (Windows App Certification Kit) tool. Worked in joint with SDE team to develop and test new features for WinACK tool kit. Ensured WinACK quality by logging, root causing and resolving bugs, from internal or external teams or vendors. Maintained and expanded team documentation.

    • Intern Ambassador
      • Aug 2012 - Sep 2013

      Worked in joint with fellow Ambassador partner and Microsoft Recruiters to promote Microsoft work opportunities to local SFU students as well as prepare them. Organized events such as information sessions, tutorials, hackathons, competitions, and more to promote school spirit in addition to raising Microsoft awareness.

    • SDET Intern
      • May 2012 - Aug 2012

      Software Developer Engineer in Test Intern for Application Compatibility Device Compatibility Team in Windows Group. Took ownership of Windows 7 COS (Compatibility Online Service) performance testing code and re-factored the code to account for new Windows 8 COS requirements and APIs.Ran performance test code against new Windows 8 prototype online service (implemented with new technology) to collect benchmark data and assess throughput and service feasibility. The data collected was invaluable to the team as it provided the basis for decisions moving forward.In addition to performance testing, discovered and logged numerous high priority bugs that would have compromised key customer use case scenarios if left unchecked.As a side project, implemented a fully functional Modern App based version of our team's web compatibility service as a POC (Proof of Concept). My POC implementation was well received by the team as well as the skip managers and was put on the shortlist for possible future work. Show less

    • United Kingdom
    • Financial Services
    • 700 & Above Employee
    • Business Intelligence Intern
      • Aug 2010 - Apr 2011

      Discovery Green Software House, Burnaby on Canada Way Assisted team leaders in their projects by completing delegated tasks. (E.g. Minute taking, compiling document reports, consolidating information in spreadsheets, creating complex Visio diagrams, collecting and confirming feedback/information with other teams/individuals locally and internationally, participating in workshops, preparing and executing presentations.) Produced various documents highlighting where possible improvements could be made to team procedures. (E.g. List of recommended skills and traits for next BI interns to be hired, text file documenting the use and tutorial of macros, text file documenting the use and updating procedures of BI database spreadsheet). Show less

Education

  • Simon Fraser University
    Bachelor of Applied Science, Computer Science
    2006 - 2013
  • Zhejiang University
    Bachelor of Applied Science (B.A.Sc.), Computing Science
    2007 - 2010

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