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Software Engineer - L3 (Simulation & Unreal Engine Engineer)
GriphicDelhi, India, India3 days ago
Job descriptionDevelop immersive interactions for OpenXR, Oculus, Vive, HoloLens / MR , and mobile AR (ARKit / ARCore). Build intuitive 3D UI, interaction mechanics, gestures , spatial anchors, tracking, and device abstraction layers. Build digital twin environments tied to live sensor data, IoT streams, AI / ML outputs, and telemetry . Implement real-time streaming of data, 3D states, animations, camera paths, or events into UE. Build visualization layers : dashboards, overlays, geospatial layers, analytics in 3D. Apply strong linear algebra, calculus, vectors / matrices / quaternions , and physical modeling concepts. Integrate advanced physics engines like NVIDIA PhysX, MuJoCo, Havok , or custom solvers (added advantage). Build realistic simulation behavior : friction, forces, collisions, trajectories, joints, soft bodies, etc. Profile and optimize CPU / GPU workloads , memory usage, draw calls, and FPS stability. Implement techniques such as : Instancing, LOD systems, occlusion culling, async loading, asset streaming, multi-threading, smart GC . Use profiling tools (Unreal Insights, RenderDoc, PIX, GPU Visualizer) to diagnose performance bottlenecks. Write design documents, break complex features into modules, and propose technical strategies. Collaborate closely with AI / ML engineers, software engineers, designers, 3D artists, and DevOps . Mentor L0–L2 engineers through pairing, feedback, and best practices. Own production modules, help with incidents, and drive technical improvements. 3–4+ years experience in Unreal Engine (UE4 / UE5) with strong modern C++ skills. Deep understanding of : Strong command over mathematics (vectors, matrices, Euler / quaternions, transforms). Hands-on with physics simulation systems (PhysX, MuJoCo, Bullet, Havok). Experience building real-time simulation or visualization tools . Skilled in integrating APIs, data streams, WebSockets , or telemetry pipelines. Ability to ship across platforms : Windows, Android, XR devices. Experience with Digital Twins , BIM / CAD, GIS, robotics simulation. Shader authoring (HLSL / GLSL), compute shaders, or procedural rendering. Niagara VFX, Houdini Engine, procedural content frameworks. Python / C# scripting for tool automation. Knowledge of game networking , replication, multiplayer simulation sync. Familiarity with DevOps , automated builds, Perforce workflows. Highly curious, self-driven, and passionate about 3D, physics, and simulation engineering. Thrives in a startup setting fast iterations, rapid prototyping, high ownership. Excellent communication, able to collaborate across multiple engineering and creative disciplines. Strong problem-solving mindset with attention to detail and performance.
Software Engineer - L3 (Simulation & Unreal Engine Engineer)
Location & Type : Delhi, Full-time
CTC Range (LPA) : 35.25 - 43.00
Role Overview
We’re looking for a high-energy, multi-disciplinary Software Engineer (L3) with a strong foundation in C++, Unreal Engine, simulation systems, and real-time 3D technologies .
This role is ideal for someone who enjoys working across VR / MR / AR , Digital Twin platforms , Streaming 3D technologies , physics-heavy simulations , and performance-critical engine code . You should be someone who thrives in fast-paced environments, loves solving complex mathematical / physics problems, and enjoys building systems that feel smooth, intelligent, and real.
What You’ll Do
Unreal, C++, and Core Simulation Engineering
- Build and extend simulation systems in Unreal Engine using modern C++ (UE4 / UE5).
- Implement real-time systems : object dynamics, events, agent simulations, world interaction logic , procedural tools.
- Work deeply with physics , constraints, collisions, kinematics, rigid body systems, Chaos physics.
XR (VR / MR / AR) & Immersive Systems
Digital Twin, Streaming Tech & Real-Time Visualization
Physics, Math & Simulation Accuracy
Rendering + Performance Optimization
Systems Design, Architecture & Engineering Leadership
Technical Qualifications
(a) UE Framework
(b) Rendering pipeline & shader / material systems
(c) Chaos physics engine
(d) Multithreading, async tasks, delegates
Nice to Have
Soft Skills & Culture Fit
About the Company
Griphic is founded by IIT Delhi engineers with a vision to enrich lives through technological innovation. We combine cutting-edge AI with hyper-realistic virtual experiences to solve problems and disrupt industries. Our team includes IIT Delhi engineers, AI / ML experts, VR developers, and 3D specialists. Backed by SKETS Studio (700+ professionals in BIM, architecture, VR, and 3D visualization), we are building the future of immersive web applications.
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Simulation Engineer • Delhi, India, India
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