Software Engineer - L3 (Simulation & Unreal Engine Engineer)

Software Engineer - L3 (Simulation & Unreal Engine Engineer)

Location & Type:

CTC Range (LPA):

Role Overview

high-energy, multi-disciplinary Software Engineer (L3)

VR/MR/AR

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

• Develop 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.

Digital Twin, Streaming Tech & Real-Time Visualization

• 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.

Physics, Math & Simulation Accuracy

• 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.

Rendering + Performance Optimization

• 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.

Systems Design, Architecture & Engineering Leadership

• 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. 

Technical Qualifications

• 3–4+ years

  experience in Unreal Engine (UE4/UE5) with strong modern

  C++

  skills. 
• Deep understanding of:

(a) UE Framework 

(b) Rendering pipeline & shader/material systems 

(c) Chaos physics engine 

(d) Multithreading, async tasks, delegates

• 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. 

Nice to Have

• 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. 

Soft Skills & Culture Fit

• 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.

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.