Senior Software Engineer II UE

Senior Software Engineer II, Performance (UE5)

We are looking for a Senior Software Engineer II, Performance to help craft a new, unannounced game  role is a key technical leader within engineering, responsible for improving performance, reliability, and multi‑platform readiness across our runtime and supporting systems in the Unreal 5 Engine codebase. You’ll partner with engineers across gameplay, engine, and tools, identify bottlenecks, build scalable solutions, and ensure we hit quality and performance targets across PC and consoles.

This role is anticipated to be a hybrid position, with some work on‑site and some work from home, potentially based in Irvine, CA.

• Lead performance strategy and execution across UE5 runtime systems, identifying risks early and driving measurable improvements.
• Profile, diagnose, and optimize CPU, GPU, memory, and streaming performance to meet release‑quality targets.
• Partner with engineers and technical leaders across teams to establish performance budgets, guardrails, and regression prevention practices.
• Design and implement performance tooling, reporting, and automation that improve developer workflows and increase iteration speed.
• Improve platform readiness across PC, Xbox, and/or Play Station by addressing platform‑specific constraints and performance characteristics.
• Define and promote best practices for observability, monitoring, and debugging of complex systems in development and production‑like environments.
• Communicate performance findings and recommendations clearly through concise documentation and cross‑team alignment.
• Provide technical mentorship to team members through design reviews, code reviews, and coaching that elevates engineering quality and shared standards.

• 12 years of professional software engineering experience, or an equivalent combination of education and experience.
• Proven experience delivering performance improvements in large, complex codebases.
• Experience shipping at least one major Unreal Engine based title with responsibility for performance, platform readiness, or systems reliability.
• Demonstrated ability to lead technical initiatives across multiple teams without direct people management responsibility.
• Experience developing for PC and consoles (PC, Xbox, and/or Play Station).

• Strong proficiency in C++ and familiarity with C#.
• Deep understanding of profiling, optimization, and debugging techniques across CPU, GPU, memory, and I/O.
• Strong understanding of performance measurement, regression detection, and continuous improvement practices.
• Experience building or improving tools and automation that support performance validation, testing, and diagnostics.
• Familiarity with observability and monitoring practices for scalable systems, including logging, metrics, and tracing fundamentals.
• Excellent communication skills, with the ability to translate complex technical findings into actionable next steps for multiple disciplines.

• A team‑oriented approach to your work, with a focus on partnership and cross‑discipline collaboration.
• Strong ownership mentality and accountability for long‑term system health and performance outcomes.
• Proactive problem‑solving mindset with comfort navigating changing priorities and complex technical tradeoffs.
• High standards for engineering quality, maintainability, and practical solutions.

• Familiarity with deployment systems and CI/CD practices, including infrastructure automation and release workflows.
• Passion for games and game development.

• Medical, dental, vision, health savings account or health reimbursement account, healthcare spending accounts, dependent care spending accounts, life and AD&D insurance, disability insurance.
• 401(k) with Company match, tuition reimbursement, charitable donation matching.
• Paid holidays and vacation, paid sick time, floating holidays, compassion and bereavement leaves, parental leave.
• Mental health & wellbeing programs, fitness programs, free and discounted games, and a variety of other voluntary benefit programs like supplemental life & disability, legal service, , rental insurance, and others.
• Relocation assistance if required.

We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, gender identity, age, marital status, veteran status, or disability status, among other characteristics.

We are committed to working with and providing reasonable assistance to individuals with physical and mental disabilities. If you are a disabled individual requiring an accommodation to apply for an open position, please email your request to accommodation re

In the U.S., the standard base pay range for this role is $ - $ Annual.