Senior Software Engineer II, Client Foundations

BLIZZARD ENTERTAINMENT, INC.; Irvine (CA); Hybrid; USD 124,000 - 229,000; Full time

Benefits offered by this job

Medical, dental, vision

401(k) with company match

Paid holidays and vacation

Job summary

Blizzard Entertainment, Inc. is seeking a Senior Software Engineer II for Client Foundations to help craft a new unannounced game. You will design and evolve core client systems and tooling, enabling scalable, performant gameplay across platforms, while collaborating with design, art, and engineering teams.

The role supports a hybrid work model with on-site and remote work, potentially based in Irvine, CA. The team values creativity, collaboration and a strong commitment to quality in a dynamic,

Qualifications

• 8+ years of professional software engineering experience or equivalent
• Experience building and shipping client systems for games or similar complex interactive apps
• Experience contributing to at least one shipped title
• Experience collaborating across engineering, art, and design

Responsibilities

• Design and implement core client systems that support performance, scalability, and maintainability
• Develop and improve client-side tools and workflows that accelerate iteration for designers, artists, and engineers
• Collaborate with cross-disciplinary teams to deliver polished gameplay systems and player-facing experiences
• Optimize performance across CPU, memory, and rendering for multiplatform experiences
• Support rapid iteration by balancing prototyping speed with strong engineering fundamentals
• Diagnose, debug, and resolve issues in client systems and workflows
• Contribute to code reviews and technical discussions to improve code quality and standards

Skills

C#

Unity

Performance profiling

Multiplatform

OO design

Cross-functional

Job description

Team Name: Unannounced Project Job Title: Senior Software Engineer II, Client Foundations Requisition ID: R027522 Job Description: Your Mission At Blizzard, we craft genre‑defining games and legendary worlds for all to share. Through unparalleled creativity and storytelling, we create immersive universes and iconic characters that are beloved across platforms, borders, backgrounds, and generations—only made possible by building a work environment that cultivates the artistry of game development and unleashes the aspirations of our people.

We are looking for a Senior Software Engineer, Client Foundations to help craft a new, unannounced game for Blizzard. Our team values creativity, collaboration, and a dedication to quality, and we are searching for contributors aligned to our core Blizzard values to add to our team of dedicated game makers. As a key member of the development team, you will be responsible for building and evolving core client systems and tooling that enable scalable, performant, and responsive gameplay experiences. You are comfortable operating in a dynamic environment, navigating fluid deadlines and changing priorities with purpose.

This role is anticipated to be a hybrid work position, with some work on-site and some work from home. The potential home studio for this role is Irvine, CA.

Responsibilities

• Design and implement core client systems that support performance, scalability, and maintainability.
• Develop and improve client-side tools and workflows that accelerate iteration for designers, artists, and engineers.
• Collaborate closely with cross-disciplinary teams to deliver polished gameplay systems and player-facing experiences.
• Optimize performance across CPU, memory, and rendering to ensure a high-quality multiplatform experience.
• Support rapid iteration by balancing prototyping speed with strong engineering fundamentals.
• Diagnose, debug, and resolve issues in client systems and workflows.
• Contribute to code reviews and technical discussions that improve code quality and team standards.

Minimum Requirements

• Experience 8+ years of professional software engineering experience, or an equivalent combination of education and experience.
• Experience building and shipping client systems for games or similarly complex interactive applications.
• Experience contributing to at least one shipped title.
• Experience collaborating across disciplines including engineering, art, and design.

Knowledge & Skills

• Strong proficiency in C# and Unity, developing scalable and maintainable client systems.
• Solid understanding of software architecture and object-oriented programming principles.
• Experience with debugging, profiling, and optimizing performance in real-time applications.
• Familiarity with multiplatform development considerations.
• Proven ability to work collaboratively within teams and foster productive partnerships across all departments.
• Demonstrated ability to inspire colleagues through an enthusiastic approach to game development and a commitment to continuous improvement of core skills.
• Ability to take initiative and manage responsibilities independently, demonstrating strong ownership and accountability.
• Experienced and knowledgeable player of a wide range of games; able to use this expertise to enhance creative decisions in game development.

Extra Points

• Experience building tools and workflows that improve development efficiency.
• Familiarity with telemetry or data-informed approaches to improving player experience.
• Experience across full development cycles, from prototyping through live operations.
• Experience working in large, shared codebases with distributed teams.
• Passion for game development and delivering high-quality player experiences.

Your Platform

At Blizzard Entertainment, we pour our hearts and souls into everything we create. Best known for iconic video game universes including Warcraft, Overwatch, Diablo, and StarCraft, we’ve been creating genre-defining games for millions of players around the world for more than 30 years.

Our World

Best known for iconic video game universes including Warcraft, Overwatch, Diablo, and StarCraft, Blizzard Entertainment, Inc., a division of Activision Blizzard, which was acquired by Microsoft (NASDAQ: MSFT), is a premier developer and publisher of entertainment experiences. Our ability to build immersive and innovative worlds is only enhanced by diverse teams working in an inclusive environment. We aspire to have a culture where everyone can thrive in order to connect and engage the world through epic entertainment. We provide a suite of benefits that promote physical, emotional and financial well-being for every world. The video game industry is fast-paced and will continue to evolve. As such, the duties and responsibilities of this role may be changed as directed by the Company at any time to support business needs.

Rewards

We provide a suite of benefits that promote physical, emotional and financial well-being for ‘Every World’ - we’ve got our employees covered! Subject to eligibility requirements, the Company offers comprehensive benefits including:

• 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, ID protection, rental insurance, and others
• If the Company requires that you move geographic locations for the job, then you may also be eligible for relocation assistance

Eligibility to participate in these benefits may vary for part time and temporary full-time employees and interns with the Company. You can learn more by visiting https://www.benefitsforeveryworld.com/.

In the U.S., the standard base pay range for this role is $124,000.00 - $229,400.00 Annual. These values reflect the expected base pay range of new hires across all U.S. locations. Ultimately, your specific range and offer will be based on several factors, including relevant experience, performance, and work location. Your Talent Professional can share this role’s range details for your local geography during the hiring process. In addition to a competitive base pay, employees in this role may be eligible for incentive compensation. Incentive compensation is not guaranteed. While we strive to provide competitive offers to successful candidates, new hire compensation is negotiable.

Blizzard Entertainment is a premier developer and publisher of entertainment software. After establishing the Blizzard Entertainment label in 1994, the company quickly became one of the most popular and well-respected makers of computer games. By focusing on creating well-designed, highly enjoyable entertainment experiences, Blizzard Entertainment has maintained an unparalleled reputation for quality since its inception.