Eric Sauer

Employment

Career

Welcome! I'm Eric Sauer, a software engineer, mobile developer, and lifelong gamer with a background in Math and Computer Science. I specialize in building gameplay features, mobile applications, and interactive digital experiences that are reliable, intuitive, and thoughtfully designed. My work combines strong technical foundations with a creative approach to problem-solving, whether I'm developing user-facing features, improving mobile experiences, or exploring new tools and technologies. I'm especially interested in the ways software, games, and emerging AI tools can come together to create useful, engaging, and well-crafted products.

[email protected] Temecula, CA

Software Engineer

WB Games

Fully Remote

  • Named a hackathon top 10 finalist of 300 teams for developing a Model Context Protocol (MCP) server that integrated WB central services with AI tooling.

Games and products

LEGO Batman: Legacy of the Dark Knight (Windows / PS5 / Xbox Series / Switch)

  • Supported integration and maintenance of shared WB Games tools and software development kits (SDKs) across shipping titles.

Game of Thrones: Dragonfire (iOS / Android)

  • Supported integration and maintenance of shared WB Games tools and software development kits (SDKs) across shipping titles.
  • Integrated Play Asset Delivery for Android to deliver content beyond the 200 MB Android application package (APK) size limit.
  • Implemented native screen reader accessibility with Android TalkBack and iOS VoiceOver.

DC Worlds Collide (iOS / Android)

  • Supported integration and maintenance of shared WB Games tools and software development kits (SDKs) across shipping titles.

Mortal Kombat 1: Khaos Reigns Expansion (Windows / PS5 / Switch)

  • Supported integration and maintenance of shared WB Games tools and software development kits (SDKs) across shipping titles.

Senior Software Engineer

Roblox

San Mateo, CA

Games and products

Roblox Client Platform (iOS / Android / Windows / macOS / Xbox)

  • Served as the sole client engineer for Roblox's Economy team.
  • Integrated new payment providers on the client with secure purchase flows and refactored economy code into per-provider modules.
  • Designed developer-facing application programming interfaces (APIs) for premium subscriptions, including purchase confirmation and user safety checks.
  • Built a React-style virtual payment UI and remediated multiple payment-flow exploits.
  • Led client development for in-game 3D immersive advertising, including Roblox Studio developer setup, client-side rendering, and view tracking with reporting.
  • Ran A/B split tests measuring multi-million-dollar impact on Roblox's Economy.

Gameplay Engineer

MunkyFun

San Francisco, CA

Games and products

Genies (iOS / Android)

  • Served as sole engineer for a real-time avatar chat system on Firebase.
  • Built the asset pipeline for 4K avatar content used by the chat system.

The Truth Comes Out (iOS / Android)

  • Served as sole engineer for asynchronous multiplayer gameplay on Firebase.
  • Built leaderboards and backend scaling for high concurrent player counts.
  • Owned gameplay development and contributed to art and animation tooling.

League of War: VR Arena (PS4 / PS VR)

  • Shipped gameplay features and resolved production bugs.
  • Set up the PlayStation VR development environment and integrated the PlayStation VR software development kit (SDK).
  • Built local and cloud save systems integrated with PlayStation platform application programming interfaces (APIs).
  • Built internal QA tooling to support test coverage and iteration.

League of War: Mercenaries (iOS / Android)

  • Shipped gameplay features and resolved production bugs.
  • Resolved a long-standing resource management bug caused by incorrect dependency tracking.
  • Built an automated test suite for first-time user experience (FTUE) flows, giving the team repeatable regression coverage for onboarding and tutorials.
  • Implemented anti-cheat detection to flag manipulated client-side game data.

Psych! (iOS / Android)

  • Shipped gameplay features and resolved production bugs.
  • Implemented downloadable question pack support.

Software Engineer Intern

MunkyFun

San Francisco, CA

Startup Consultant

PackSay

San Francisco, CA

  • Designed server security architecture and delivered full-stack features for PackSay, a real-time polling web app with location-based no-login access and conference-scale vote handling.

Intern

Sandia National Laboratories, Center for Cyber Defenders

Livermore, CA

  • Built FARM (Forensic Analysis Repository for Malware) to automate detection workflows and centralize research data.
  • Built detection tools for malware hidden in non-executable files, including images, archives, Office documents, and PDFs.