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Derek "fedellen" Sonnenberg Portfolio Picture


Derek R Sonnenberg

Co-Founder, Lead Game Designer, Game Programmer, Software Developer

Derek is our resident game designer, programmer, software developer, marketer, sound designer, and writer. All of these roles self-taught since 2018; including some pixel art, 3d modeling, and music. His primary role most recently has been a stay at home Dad. He loves lake days, jumping on the trampoline with his son, and Bonnie’s sour dough bread.

fedellen's Game Project Experience

Web Design and Software Development Experience

  • Solely developed List Together, a full-stack TypeScript Web App with React, Postgres, TypeORM, Apollo, and GraphQL
  • Self-taught JavaScript and React through a course:  fullstackopen-learning-journey
  • Developed and designed this website you’re viewing in WordPress: PixelPajamaStudios(dot)com.
  • Designed and developed RoxysRedLight(dot)com with WordPress for a local client, Roxy’s Red Light Consignments.

Game Dev Tools

  • Unity
  • Stencyl
  • VSCode
  • Aseprite
  • BFXR
  • Audacity
  • LMMS
  • Blender

Web Technologies

  • React
  • Express
  • GraphQL
  • Apollo
  • Postgres
  • MySQL
  • MongoDB
  • TypeORM
  • TypeGraphQL
  • WordPress


  • JavaScript (TypeScript)
  • CSS
  • HTML
  • PHP
  • Haxe
  • C#

fedellen's Work Featured in:

fedellen is currently open for a wide range of commissions and/or contract work including  custom programming, web design, and custom software development.  For more information check out our Commissions page or email directly: fedellen(at)