# jeff creswell > Software Engineer | AR/VR Developer | Game & Simulation Developer | Mobile App Developer | IoT Developer Location: Chester, New Jersey, United States Profile: https://flows.cv/jeffcreswell Established and versatile software engineer known for designing and developing innovative solutions that facilitate experimentation and help answer complex research, development, and application questions. Specialist in C/C++ programming for low level and/or performance critical systems. Hard working strategic thinker possessing a gift for architecting creative approaches to help understand and enhance complex systems. Multidisciplinary background with a talent for thinking outside the box by bringing broad expertise plus the power of imagination to software engineering. ## Work Experience ### Software Engineer @ Eos Energy Enterprises, Inc. Jan 2025 – Present | Edison, New Jersey, United States Building tools for power hardware R&D! ### Software Engineer on assignment at Meta @ Magnit Jan 2024 – Jan 2025 Working closely with system framework and 3D rendering engineers, I helped stand up a system of automated testing for complex applications, services, and libraries on Oculus Quest devices that increased their stability and reliability. - Introduced automated instrumentation testing to a VR virtual presence platform on Oculus Quest devices. - Engineered workflows for running instrumented tests in continuous integration on both C++ and Kotlin/Java framework components. - Improved performance and reliability of testbed applications via coroutines in Kotlin and C++. - Designed testbed application UX to match developer user specifications. - Automated end to end testing of VR apps using Jetpack Compose UI interaction and device state for validation. - Helped increase organization-wide unit test code coverage by an order of magnitude. ### Senior Android Application Developer @ BlueJeans by Verizon Jan 2022 – Jan 2023 | New Jersey, United States Enhanced Video Conferencing User Experience and stability of the BlueJeans Android application. Integrated visual effects into video streams using C++ multimedia and computer vision library. -Implemented UI and data state improvements for TeleHealth sessions which increased data transfer reliability as well as the breadth of health data sources that users can share with doctors through the platform. -Designed layouts for virtual background controls using JetPack Compose creating a stylish and performant UX. -Integrated virtual background VFX generated by C++ computer vision and multimedia rendering libraries into meeting video streams allowing users to create immersive, branded, or privacy focused conference spaces. ### Senior Android Application Developer @ Envrmnt by Verizon Jan 2019 – Jan 2022 | New Jersey, United States Advanced Verizon XR’s AR/VR platform engine, SDK, and applications. Developed numerous immersive games and experiences to delight and empower customers. -Developed procedurally generated graphics effects for an AR game using our C++ API for material and shader code generation together with OpenGL APIs for optimized rendering, producing an exciting immersive effect that can be portable across platforms and shader languages. -Integrated high performance AR/VR networked asset loading code into the mainline engine, reducing asset load times from minutes to milliseconds. -Authored a whitepaper on procedurally generating a ribbon trail graphical effect attached to two bones of a skeletal animation armature to document R&D knowledge and explore the theory behind the application. ### Software Engineer @ Samsung Electronics America Jan 2018 – Jan 2019 | New Jersey, United States Developed, tested, and validated Android system services across three OS version upgrades and dozens of device models. Analyzed and debugged low level telecommunications firmware behavior. -Lead engineer analyzing and resolving Qualcomm/Samsung embedded C/C++ firmware bugs in the on-board diagnostic module for Verizon system images, resolving diagnostic reporting bugs for multiple high profile device models with millions of active users. -Debugged Qualcomm C modem code and Samsung modem drivers to help isolate causal factors in diagnostic reporting issues such that accurate network KPIs could be monitored on test devices, helping Samsung and cellular carriers produce and tune higher fidelity phones. -Developed diagnostic system service components in C++ based on the GSMA's cross-chip modem diagnostic standard MDMI to measure cell signal KPIs regardless of underlying hardware. ### Senior Systems and Software Engineer @ Xperi Inc. Jan 2013 – Jan 2018 | New Jersey, United States Designed, developed, and maintained prototype and production Android applications to control HD Radio and FM radio chips. Enhanced analog radio content with metadata pulled over IP to create ‘hybrid radio’ features. -Responsible for full stack application development from concept to production, expanding the footprint of HD Radio to consumer electronics and adding content dimensions to analog radio that had been exclusive to digital radio. -Collaborated with OEMs to build custom Android ROMs with greater FM radio access and control, creating a development platform that empowered commonly underutilized hardware for thousands of users. -Led international engineering teams customizing ten device models across four FM radio architectures to expand FM radio driver APIs and ship them with a more robust FM radio application called FM Plus. ## Education ### Master's degree in Computer Software Engineering Montclair State University ### Bachelor of Arts (B.A.) in Psychology The College of New Jersey ## Contact & Social - LinkedIn: https://linkedin.com/in/jeff-creswell - Portfolio: https://www.verizon.com/ - Portfolio: https://politecuriosity.wordpress.com/ - GitHub: https://github.com/mysterymagination --- Source: https://flows.cv/jeffcreswell JSON Resume: https://flows.cv/jeffcreswell/resume.json Last updated: 2026-04-13