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Career profile

Marcelo Eden Siqueira

Systems Architect & Engineer | Turning AI Slop into Reliable Systems | Reducing Token Waste

Greater Seattle Area

Career path.

  1. Anthropic

    Senior Software Engineering Expert

    Jun 2026 - Present
  2. Cleah

    Chief Coder (Independent)

    May 2026 - Present
  3. Shoggoth Symphony

    Music Producer & AI Engineer (Independent)

    Feb 2026 - Present
  4. Ezra

    Principal Software Engineer

    Nov 2025 - May 2026
  5. Rapha

    CTO / Co-Founder

    Aug 2023 - Nov 2025
  6. CloudKitchens

    Lead Front End Engineer

    Dec 2021 - Aug 2023
  7. Chaos Capital

    Chief Speculator (Independent)

    Jul 2021 - Dec 2023
  8. Amazon

    Lead Front End Engineer

    Jul 2019 - Jul 2021
  9. 세일즈포스

    Lead Member Of Technical Staff

    Aug 2017 - Jul 2019
  10. 세일즈포스

    Senior Software Engineer

    Jan 2016 - Aug 2017
  11. Yahoo

    Sofware Engineer

    Dec 2014 - Jan 2016
  12. Wobo Inc

    Senior Software Engineer

    Mar 2013 - Nov 2014
  13. Stack Builders

    Web Developer

    Aug 2011 - Mar 2013
  14. BUSK |

    Web Developer

    Aug 2010 - Aug 2011
  15. Open Source Matters

    Mentor of Joomla! Student Outreach Program

    May 2010 - Aug 2010
  16. Walt Disney World

    Quick Service

    Nov 2009 - Jan 2010
  17. Orygens

    Software Engineer

    Feb 2009 - Oct 2009
  18. Google

    Intern Software Engineer (GSoC)

    Jun 2008 - Sep 2008