WE ARE GAMEMAKERS Who We Are: We are a diverse team of developers driven by a passion for our art, united by our core values and inspired by a culture of inclusivity to build amazing games that thrill players everywhere. We pursue growth and innovation in an environment of safety and trust. Our culture is built on the belief that the more varied voices in our collective will strengthen our team and our games. We are looking for our next teammate who will raise our bar and make us better. Who You Are: As a Senior Anti-Cheat Engineer, you are passionate about maintaining the integrity and fairness of online gaming experiences. You will play a critical role in designing and developing anti-cheat systems, focusing on detecting and preventing cheating behaviors across multiple platforms. With deep expertise in security, system internals, and game hacking techniques, you will work with our engineering and security teams to create innovative and robust solutions to combat emerging threats. Your technical prowess and proactive approach will be key to keeping our game environments safe and enjoyable for all players. Responsibilities: <ul> <li>Architect, develop, and maintain scalable and performant anti-cheat technologies for a AAA multiplayer title, including systems to detect and prevent cheating behavior at both the client and server levels.</li> <li>Research, invent, and stay ahead of new cheat techniques, vulnerabilities, and exploits, and implement proactive countermeasures in the game code and anti-cheat tools.</li> <li>Perform penetration tests, overlook a bug bounty program and triage the findings for the game developers.</li> <li>Procure and reverse engineer existing cheats, hacks, and exploits to better understand their mechanics and design new detection and prevention mechanisms.</li> <li>Support the analytics team with creating telemetry based detections for cheat tools and exploits.</li> <li>Support the build engineers with shift left initiatives by embedding source code scanning into the build pipeline.</li> </ul> Requirements: <ul> <li>5+ years of experience in C++ programming and ASM, with a strong understanding of Windows APIs, Windows Kernel internals, and Windows drivers.</li> <li>Proven expertise in security engineering, including experience with anti-cheat, anti-tamper, or anti-malware technologies.</li> <li>Experience researching and mitigating game cheats, vulnerabilities, and exploits, with familiarity in the game cheat community and industry threats.</li> <li>Experience in reverse engineering, especially for game cheats and exploits, and developing detection strategies based on reverse engineering insights.</li> <li>Experience in de-virtualizing obfuscated binaries.</li> <li>Ability to work efficiently in an agile development environment, respond to new threats, and iterate quickly while maintaining a high bar for security and performance.</li> </ul> Relevant Experience: <ul> <li>5+ years of experience in C++, Rust, or similar programming languages, specifically in security-related roles and a profound knowledge of ASM.</li> <li>Experience with or deep familiarity with game cheat development and the security research community.</li> <li>3+ years of experience working with Windows internals, including driver development and kernel-level security.</li> <li>3+ years of experience working with UE (esp. Blueprints and Reflection System) and its security impact on the game binaries.</li> <li>Experience with Linux OS development, mobile game security, or reverse engineering mobile game cheats is a bonus.</li> <li>Proven history of shipping Windows drivers and creating scalable anti-cheat technologies.</li> <li>Experience with obfuscation techniques, encryption, or developing countermeasures for anti-tamper protections.</li> </ul> <hr /> The pay range for this position in California at the start of employment is expected to be between $120,000 and $160,000 per year. However, base pay offered is based on market location and may vary further depending on individualized factors for job candidates, such as job-related knowledge, skills, experience, and other objective business considerations. Subject to those same considerations, the total compensation package for this position may also include other elements, including a bonus and/or equity awards, in addition to a full range of medical, financial, and/or other benefits. Details of participation in these benefit plans will be provided if an employee receives an offer of employment. If hired, employee will be in an at-will position and the company reserves the right to modify base salary (as well as any other discretionary payment or compensation or benefit program) at any time, including for reasons related to individual performance, company or individual department/team performance, and market factors. SECURITY NOTICE -  We have recently been made aware of increasing occurrences of bad actors posing as company HR personnel to gain information from potential candidates, in the form of job interviews and offers. These scams can be quite sophisticated and appear legitimate. Please know that 31st Union and 2K never uses instant messaging apps to contact prospective employees or to conduct interviews. If you believe you have been a victim of such a scam, you may fill out a complaint form at <a href="https://complaint.ic3.gov/">https://complaint.ic3.gov/</a> and <a href="https://reportfraud.ftc.gov/">https://reportfraud.ftc.gov/</a> detailing as much as possible. We are taking these matters very seriously and apologize for any inconvenience. Join our mission: Bring fun, inspiration and awe to our lives and to our community: <a href="https://thirtyfirstunion.com/values">https://thirtyfirstunion.com/values</a> 31st Union prides itself on the diversity of its team members, partners, and communities.  For this reason, we remain committed to providing equal employment opportunity in all aspects of the employment relationship, from recruitment and hiring through compensation, benefits, discipline and termination.  This means that employment at 31st Union depends on your substantive ability, objective qualifications and work ethic – not on your age, race (including traits historically associated with race, including, but not limited to, hair texture and protective hairstyles), height, weight, religion, creed, color, national origin, ancestry, sex, sexual orientation, gender (including gender identity and expression), alienage or citizenship status, transgender, military or veteran status, physical or mental disability (actual or perceived), medical condition, AIDS/HIV, denial of family and medical care leave, genetic information, predisposition or carrier status, pregnancy status, childbirth, breastfeeding (or related medical conditions), marital status or registered domestic partner status, political activity or affiliation, status as a victim of domestic violence, sexual assault or stalking, arrest record, or taking or requesting statutorily protected leaves, or any other classification protected by federal, state, or local laws. As an equal opportunity employer, we are also committed to ensuring that qualified individuals with disabilities are provided reasonable accommodation(s) to participate in the job application and/or interview process, to perform their essential job functions, and to receive other benefits and privileges of employment.  Please contact us if you need to request a reasonable accommodation. #LI-Onsite #LI-Hybrid #LI-Remote