Lead Software Engineer, Client Foundations

Team Name:

Job Title:

Lead Software Engineer, Client Foundations

Requisition : R026304

Job Description:

Blizzard is looking for a talented and motivated Lead Client Engineer to guide our growing client foundations team as we craft a new, unannounced game. This team is critical in architecting and building systems that will help scale our game’s client to reach the largest player base with a client that is both performant and responsive.

We are looking for a candidate with deep technical expertise with Unity, C#, and .NET. The ideal candidate will also have a proven record of leading engineers through work deep within the game client code, including optimizing for multiplatform development, working with technical artists to build systems that scale and provide delightful player experiences.

We value diverse voices and varied backgrounds, and we're looking for individuals to help us build fun, compelling, and inclusive gameplay and experiences with us.

This role is a full-time, hybrid work position, with some work on-site and some work-from-home. The home studio for this role is Irvine, CA.

• Lead, mentor, and grow our team of engineers, fostering a culture of collaboration, technical excellence, and accountability while being a key code contributor.
• Manage priorities, deadlines, and deliverables, ensuring clear communication and alignment across peers and disciplines.
• Proactively surface technical and execution risks, drive open discussion, and ensure they are addressed in a timely manner.
• Partner closely with tech art, UI, and engineers across the larger team to optimize our game for player experiences with the game client.

• Deep, hands-on expertise with Unity, C#, and .NET, architecting and delivering projects in service of the game client.
• Experience building and shipping game features for mobile, PC, and console games.
• Proven people management experience leading engineering teams in game development; dedication to building inclusive, high-performing teams.
• Demonstrated ability to balance technical contribution (coding/architecture) with leadership responsibilities.
• Comfort working in a rapidly evolving, in-flight game codebase, with the judgment to balance quick prototyping against long-term scalability and maintainability.
• Background in live operations, content pipelines, and iterative game client updates.
• Strong cross-functional communication skills, with experience bridging engineering, art, and design.

• Experience guiding a team through multiple stages of development (prototype, production, alpha/beta, launch, live service).
• Familiarity with data-informed development and/telemetry-driven insights for measuring player impact.
• Contributions to an inclusive team culture, fostering psychological safety and collaboration across disciplines.
• Experience building and shipping games across multiple platforms (PC, console, and mobile).

Best known for iconic video game universes including Warcraft®, Overwatch®, Diablo®, and Star Craft®, Blizzard Entertainment, Inc. (), a division of Activision Blizzard, which was acquired by Microsoft (NASDAQ: MSFT), is a premier developer and publisher of entertainment experiences. Blizzard Entertainment has created some of the industry’s most critically acclaimed and genre-defining games over the last 30 years, with a track record that includes multiple Game of the Year awards.

Blizzard Entertainment engages tens of millions of players around the world with titles available on PC via ®, Xbox, Play Station, Nintendo Switch, iOS, and Android.

Activision Blizzard, Inc., is one of the world's largest and most successful interactive entertainment companies and is at the intersection of media, technology and entertainment. We are home to some of the most beloved entertainment franchises including Call of Duty®, World of Warcraft®, Overwatch®, Diablo®, Candy Crush™ and Bubble Witch™. Our combined entertainment network delights hundreds of millions of monthly active users in 196 countries, making us the largest gaming network on the planet!

Our ability to build immersive and innovative worlds is only enhanced by diverse teams working in an…