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I’m a 3D Application Developer at Modest Tree with a strong background in AR/VR development using Unity, which I've been working with since 2018. I hold both a Master’s and a Bachelor’s degree in Computer Science (Co-op) from Dalhousie University, where I also gained experience as a Teaching Assistant and Research Assistant while maintaining high academic performance. My industry experience includes a one-year internship at Modest Tree Media Inc., where I worked in Quality Assurance and Software Engineering for AR/VR applications. You can view my portfolio and resume at _Website not available. Sign in: https://www.twine.net/signup_…I’m a 3D Application Developer at Modest Tree with a strong background in AR/VR development using Unity, which I've been working with since 2018. I hold both a Master’s and a Bachelor’s degree in Computer Science (Co-op) from Dalhousie University, where I also gained experience as a Teaching Assistant and Research Assistant while maintaining high academic performance. My industry experience includes a one-year internship at Modest Tree Media Inc., where I worked in Quality Assurance and Software Engineering for AR/VR applications. You can view my portfolio and resume at _Website not available. Sign in: https://www.twine.net/signup_

Peter Haltner

App Developer, Game Developer, Game Designer, +2

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I’m a 3D Application Developer at Modest Tree with a strong background in AR/VR development using Unity, which I've been working with since 2018. I hold both a Master’s and a Bachelor’s degree in Computer Science (Co-op) from Dalhousie University, where I also gained experience as a Teaching Assistant and Research Assistant while maintaining high academic performance. My industry experience includes a one-year internship at Modest Tree Media Inc., where I worked in Quality Assurance and Software Engineering for AR/VR applications. You can view my portfolio and resume at _Website not available. Sign in: https://www.twine.net/signup_…I’m a 3D Application Developer at Modest Tree with a strong background in AR/VR development using Unity, which I've been working with since 2018. I hold both a Master’s and a Bachelor’s degree in Computer Science (Co-op) from Dalhousie University, where I also gained experience as a Teaching Assistant and Research Assistant while maintaining high academic performance. My industry experience includes a one-year internship at Modest Tree Media Inc., where I worked in Quality Assurance and Software Engineering for AR/VR applications. You can view my portfolio and resume at _Website not available. Sign in: https://www.twine.net/signup_

Available to hire

I’m a 3D Application Developer at Modest Tree with a strong background in AR/VR development using Unity, which I’ve been working with since 2018. I hold both a Master’s and a Bachelor’s degree in Computer Science (Co-op) from Dalhousie University, where I also gained experience as a Teaching Assistant and Research Assistant while maintaining high academic performance. My industry experience includes a one-year internship at Modest Tree Media Inc., where I worked in Quality Assurance and Software Engineering for AR/VR applications. You can view my portfolio and resume at Website not available. Sign in: https://www.twine.net/signup

Skills

Experience Level

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Work Experience

3D Application Developer at Modest Tree Media Inc.

September 1, 2022 - Present

Lead developer for Xplorer, a Unity-based platform for creating and playing interactive 3D training content. Implemented features including user-defined UI, data handling, UX tracking, XR, AI, multiplayer, and cross-platform support. Collaborated with product managers and artists to design and implement user-friendly mockups. Maintained project stability with Git-based version control and peer reviews, and applied design patterns (MVC, Zenject DI, UniRx). Served as first responder for mission-critical production issues, delivering timely resolutions and RCA contributions.

Research Assistant at Dalhousie University

December 1, 2021 - October 16, 2025

Developed EmbodiAR, a Unity-based study tool for HoloLens 2 (MRTK) to teach bead weaving patterns. Features virtual 3D hands demonstrating weaving sequences and a dynamic 3D bead model. Designed and conducted a 30-participant study.

Software Engineer (co-op) at Modest Tree Media Inc.

August 1, 2018 - October 16, 2025

Implemented AR mode into Xplorer for iOS (ARKit) and Android (ARCore) using Unity. Debugged and fixed bugs in a large codebase using Zenject and UniRx. Created 3D VR interactive scenarios for clients using the Modest3D platform and Unity. Executed software testing plans and developed automated tests.

Software Engineer (co-op) at Modest Tree Media Inc.

April 1, 2019 - October 16, 2025

Implemented AR mode into Xplorer for iOS (ARKit) and Android (ARCore) using Unity. Debugged and fixed bugs in a large codebase and contributed to software testing and automation.

Software Engineer (co-op) at Modest Tree Media Inc.

December 1, 2019 - October 16, 2025

Implemented AR mode into Xplorer for iOS (ARKit) and Android (ARCore) using Unity. Debugged and fixed bugs, and developed automated tests for regression.

Teaching Assistant at Dalhousie University

August 1, 2021 - October 16, 2025

Taught programming, data structures, and algorithms using Java and Python. Conducted labs and tutorials for 8 courses with 20-200 students each. Aided 137 undergraduate CS students in the learning centre across 2 semesters. Consistently met deadlines for marking.