# Expertise ## [Leading engineering](https://jfcampos.dev/expertise/leading-engineering.md) Hiring, standards, and the judgement calls — eighteen years of leading teams, and never stopping writing code. 4 related projects ## [Real-time 3D on the web](https://jfcampos.dev/expertise/real-time-3d-web.md) Rendering, shaders and optimisation for 3D that has to run on whatever device the visitor brings. **Technologies:** Three.js, WebGL, GLSL, React Three Fiber, drei 9 related projects ## [Multi-user & real-time systems](https://jfcampos.dev/expertise/multiuser-realtime.md) Presence and synchronisation. Videoconferencing. All of it, at scale. **Technologies:** WebSockets, WebRTC, XMPP, Twilio, Vonage 5 related projects ## [Unity](https://jfcampos.dev/expertise/unity.md) Certified developer. Working with Unity since 2010. **Technologies:** Unity 5 related projects ## [VR, AR & spatial](https://jfcampos.dev/expertise/vr-ar-spatial.md) Cross-device VR and AR — input systems, spatial audio, comfort, and keeping up with a decade of changing headsets. **Technologies:** WebXR, WebVR, Vuforia, 8th Wall 3 related projects ## [AI and LLM](https://jfcampos.dev/expertise/ai-llm.md) Company-wide agentic workflows, AI-driven avatars and the pipelines behind them — from branching dialogue trees to real-time voice models. **Technologies:** OpenAI, Pipecat, Ollama, PyTorch, Python 3 related projects ## [3D Content Pipeline](https://jfcampos.dev/expertise/3d-content-pipeline.md) Modelling, UV mapping, rigging and the scripting that automates it — getting assets out of authoring tools and into something that runs in real time. **Technologies:** 3ds Max, MAXScript, Blender, PyTorch 4 related projects ## [Backend & infrastructure](https://jfcampos.dev/expertise/backend-infrastructure.md) The services behind the experiences — APIs, dashboards, persistence, and keeping it all running when the network is missing or thousands of people arrive at once. **Technologies:** Node.js, PHP, MySQL, PostgreSQL, MongoDB, Prisma, Redis, AWS, Google Cloud, Docker, Kubernetes, GitHub Actions, Jenkins, Vercel 6 related projects ## [Audio & speech](https://jfcampos.dev/expertise/audio-speech.md) Sound and voice — spatial audio, adaptive scoring, text-to-speech at scale, and lipsync generated in real time. **Technologies:** Wwise, Flash, FMOD 9 related projects --- Web page: