Senior Rendering Engineer - Unreal 5 Atmosphere & Lighting

Mob Entertainment, Inc.; Oregon; Hybrid; USD 113,000 - 136,000; Full time

Benefits offered by this job

Profit sharing

Health insurance

Dental insurance

Vision insurance

401(k) matching

Paid time off

Sick time

Holidays

Parental leave

Job summary

Mob Entertainment, a startup multimedia studio known for Poppy Playtime, is seeking a Rendering Engineer to push Unreal Engine 5 visuals. You will work with Core Engineering to build and optimize rendering systems and partner with artists to solve lighting and performance challenges.

The role requires 7+ years in rendering, strong C++, shader experience, and a track record on at least one shipped Unreal title.

Qualifications

• 7+ years of experience as a rendering/graphics engineer with at least one shipped title using Unreal Engine.
• Strong C++ skills and deep understanding of Unreal's rendering pipeline (RDG, shader compilation, material system, deferred rendering).
• Experience with HLSL/shader authoring and debugging rendering issues using tools like RenderDoc or Unreal Insights.
• Hands-on experience with UE5 lighting systems — World Partition, GPU Lightmass, Lumen, and the tradeoffs between them.

Responsibilities

• Develop, extend, and optimize rendering features and shaders in Unreal Engine 5 (materials, post-process, lighting, custom rendering passes).
• Own lighting strategy decisions in partnership with environment art and lead engineering — including World Partition, GPU Lightmass, and Lumen/baked lighting tradeoffs.
• Profile and optimize GPU/CPU rendering performance against defined platform targets and fidelity standards.
• Diagnose and resolve rendering bugs, visual artifacts, and platform-specific rendering issues across target hardware.
• Build and maintain internal tooling to support artists and engineers working with rendering systems (profiling visualizers, lighting validation tools, etc.).
• Collaborate closely with technical artists on shader authoring standards, material complexity budgets, and visual fidelity guardrails.
• Contribute to and help enforce the studio's performance/fidelity standards documentation.
• Work within our Perforce/UGS/Horde pipeline, following team branching and Definition of Done standards.
• Stay current on Unreal Engine rendering roadmap changes (Lumen, Nanite, Substrate, etc.) and evaluate their fit for our production needs.

Skills

C++

Unreal Engine

RDG

Shader debugging

HLSL

Performance profiling

Perforce

Tools

RenderDoc

Unreal Insights

Perforce

Job description

Mob Entertainment, a startup multimedia studio known for Poppy Playtime, is seeking a Rendering Engineer to push Unreal Engine 5 visuals. You will work with Core Engineering to build and optimize rendering systems and partner with artists to solve lighting and performance challenges.

The role requires 7+ years in rendering, strong C++, shader experience, and a track record on at least one shipped Unreal title.