Game Engine Engineer, Platform at Worldscape in Redmond, WA

Summary: Worldscape Technology Inc. is a cutting-edge platform designed to unify distributed data and intelligent agents across various environments. They are seeking an experienced game engine engineer to participate in the design, implementation, and optimization of real-time physics systems for their applications. Responsibilities: - Work on game physics: data models, simulation loops, solver strategies, and integration points across engine and simulation systems - Focus on core physics features: Collision detection (broad-phase/narrow-phase), entity controllers, vehicle dynamics with an emphasis on orbital mechanics, particles/fluid mechanics (with an emphasis on atmospheric dynamics) - Integrate with simulation logic (gameplay) & animation: Build physics-driven interactions, authoring tools, and runtime hooks (e.g., inverse kinematics, state machines, event systems) - Help with performance optimization: Profile, optimize, and budget frame time and memory across platforms; lead multi-threading/Job System/SIMD efforts; evaluate GPU compute opportunities - Stability & robustness: Establish test suites, golden scenarios, and verification and validation practices; reduce edge-case instability (stacking, tunneling, jitter, constraint drift) - Tooling & workflow: Build/debug tools, visualizers, probes, and authoring pipelines that accelerate designer iteration and QA efficiency - Quality & live support: work on crashes and regressions for the game engine; support content changes post-launch without destabilizing the simulation Required Qualifications: - BS/MS in Computer Science, Software Engineering, Physics, Mathematics (or equivalent practical experience) - 0 to 4+ years in real-time/game physics engineering; shipped a title, AA/AAA preferred - Experience C++ (modern standards), data-oriented design, memory management, profiling/debugging (VTune, PIX, Nsight, RenderDoc, etc.) - Rigid-body dynamics, collision detection (GJK, SAT, continuous collision detection/time of impact), integration schemes (semi-implicit Euler, RK, constraint solvers) - Numerical stability, error control, and performance trade-offs under real-time constraints - Experience integrating physics with animation (animation blending, IK), gameplay systems, and rendering pipelines - Multi-threading/job systems, SIMD/vectorization, cache-friendly data structures, frame/memory budgeting across platforms - Proven ability to lead cross-disciplinary efforts and communicate complex technical topics clearly Preferred Qualifications: - 2+ years' experience in Modern Game Engines & Middleware: Unreal Engine (Chaos), Unity (DOTS/Physics), Havok, Bullet, PhysX; custom engine experience strongly preferred - 1+ years' experience in Advanced Simulation: Fracture systems, granular materials, vehicle tire models, buoyancy/aero effects; GPU compute (CUDA, compute shaders) - Experience with existing physics models and systems integration - Deterministic simulation strategies, rollback/prediction, server authority models, cross-platform latency mitigation - Shipping experience on Xbox, PlayStation, Switch, and PC; familiarity with platform TRCs/TCRs and performance certification - Python/C#/Lua for tools and editor extensions; in-engine visualization/debugging overlays - Broad-phase structures (sweep-and-prune, BVH), island building, sleeping strategies, CCD tunneling avoidance; job scheduling and affinity tuning - Collaboration with design/tech art to create authoring guidelines for physics assets; LOD strategies for physics complexity Required Skills: C++, Game scripting, Real-time physics engineering, Collision detection, Rigid-body dynamics, Numerical stability, Physics simulation integration, Animation blending, Inverse kinematics, Multi-threading, SIMD/vectorization, Performance profiling, Unreal Engine Chaos, Unity DOTS Physics, Havok, Bullet Physics, PhysX, GPU compute, CUDA, Compute shaders, Python, C#, Lua, Networking simulation, Console platform certification Benefits: Competitive salary and meaningful equity, Attractive benefits package, Flexible time off policy, Medical, Dental and Vision insurance, HSA health insurance options, 401k plan, Basic and Voluntary Life Insurance