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Ignacio Costa
Senior Unity/3D Engineer specializing in real-time 3D, WebGL, and AR/VR/XR
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About
Unity/C# AR developer who built a Pokemon Go-like location-based gameplay system end-to-end, spanning backend geospatial filtering (bounding box + Haversine), native iOS location/heading plugins, and Unity AR/UI/spawn logic, with a strong focus on real-world reliability issues like GPS drift. Also prototyped an AI pipeline combining on-device Core ML image segmentation with cloud-hosted PiFU HD (Docker/Kubernetes on GCP with GPU provisioning), ultimately shelving it due to cost/latency and model reliability constraints.
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Key Strengths
- End-to-end ownership of AR gameplay system (backend geo queries + native iOS location + Unity spawn/UI/AR)
- Designs scalable, modular architectures (separation of concerns; avoids monolithic Unity scripts)
- Strong real-world testing and edge-case handling for location-based AR (GPS drift, dense areas, inconsistent signals) with gating logic and user feedback
- Performance and engagement improvements through iterative refactoring and reliability-focused design
- Practical AI/ML integration experience across on-device (Core ML segmentation) and cloud (PiFU HD on Docker/Kubernetes on GCP), with clear cost/latency tradeoff analysis
- Server-authoritative synchronization approach with extensive client/server logging for troubleshooting
Reference Highlights
- Key contributor to improving a Unity-based web application
- Improved application functionality and overall performance
- Delivered smoother, more intuitive user experience
- Shipped impactful Web2Print features
- Implemented two-sided 3D design viewing that reduced customer confusion
- Helped customers gain confidence before ordering
- Strong cross-functional collaboration
- Strong communication and clarity on expectations
- Understood priorities and deadlines well
- Reliable ownership and follow-through
- Proactively addressed details that could impact delivery or UX
- Strong end-to-end ownership (managed entire project single-handedly)
- Quickly ramped up on a complex inherited codebase
- Strong understanding of business needs and requirements
- Diligent in addressing critical issues
- Attention to detail (caught and corrected incorrect box-style logic)
- Improved customer impact by preventing incorrect functionality from affecting users
- Delivered many features and fixes
- Performance-minded (timely loading of large graphics files; no observed slowness/latency)
- Clear communication with leadership
- Able to explain Unity/technical issues to non-technical audiences
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