Real-Time Collaboration Systems Engineer (CRDT, Cloud)

Wizard, Inc.; San Francisco (CA); On-site; USD 200,000 - 260,000; Full time

Job summary

Wizard is the AI-native platform for creative work, starting with the hardest creative workflow: professional video. We built a native C++ editor and a headless media runtime, with Oz the agent ingesting footage and editing at real time, while every change remains inspectable, editable, and reversible.

This role owns Wizlink end to end, designing the sync and data model for .wiz project state, shipping cloud projects to Story's team, and turning on CRDT multiplayer.

Qualifications

• Shipped real-time sync or collaboration used daily.
• Knowledge of consistency models and CRDTs or OT.
• Strong memory management, concurrency, data structures.
• Experience with multi-language environments (C++, Rust/Go).
• Experience with AI-assisted coding tools is a plus.

Responsibilities

• Design a multiplayer-ready data model for timelines, graphs, and media references.
• Ship Cloud Share: host, share, and open projects across a team.
• Enable real-time multiplayer with CRDTs or alternatives.
• Build dynamic links between cloud projects and local media.
• Plan migration from single-player to multiplayer.
• Own reliability: observability, conflict handling, recovery after network drop.

Skills

Production sync

Distributed systems

Software fundamentals

C++ client

Rust or Go

AI tools

Job description

Wizard is the AI-native platform for creative work, starting with the hardest creative workflow: professional video. We built a native C++ editor and a headless media runtime, with Oz the agent ingesting footage and editing at real time, while every change remains inspectable, editable, and reversible.

This role owns Wizlink end to end, designing the sync and data model for .wiz project state, shipping cloud projects to Story's team, and turning on CRDT multiplayer.