Top Tech Jobs & Startup Jobs in Los Angeles, CA

Lead regional publishing strategy across the Americas, align subregional plans with global priorities, manage budgets, track performance, build partner relationships, and drive cross-functional initiatives to deliver player-focused outcomes.

Define and lead modeling architecture for personalization, matchmaking, recommendations, and social discovery. Build large-scale real-time inference systems, develop models for skill, behavior, trust & safety, and multi-objective optimization. Drive Responsible AI, experimentation, observability, and cross-functional standards while mentoring senior engineers and influencing ML strategy.

Manage and grow relationships with domestic and international art vendors, provide artistic feedback on stylized 2D weapon concepts, maintain asset pipelines and workflows, remove production roadblocks, and ensure outsourced assets meet VALORANT quality and integration standards.

Build and scale Riot Mobile platform across iOS and Android for millions of players. Own multi-month projects from discovery to delivery, collaborate with product and design, influence architecture and technical strategy, improve reliability and performance, participate in on-call and incident response, mentor engineers, and integrate cross-team features.

Manage and grow a team of Technical Game Designers for Teamfight Tactics, maintain high craft standards, collaborate across disciplines, advocate for players, scope and deliver features, recruit and onboard designers, and contribute individual technical-design work when needed.

Lead cross-functional teams to plan, coordinate, and deliver large DevCon integration programs. Define delivery standards, manage risks, drive Agile practices, report on milestones and fiscals, maintain partner relationships, and support product release and go-to-market planning.

As a Senior Software Engineer, you'll develop SDKs for multiple platforms, support Unreal plugins, enhance client performance, and work on technical solutions and release processes.

Lead development of VALORANT build and developer-facing platforms. Improve iteration workflows across local development, Unreal build/cook systems, CI, release infrastructure, and tooling. Drive architecture and long-term initiatives, resolve cross-system bottlenecks, collaborate with stakeholders, mentor engineers, and participate in support rotation.

As a Staff Software Engineer on the Unreal Ecosystem team, you'll develop high-quality code, advise on technical direction, mentor engineers, and collaborate across teams to enhance game development.

Lead design and build of shared backend platform services and internal tools for anti-cheat systems. Own APIs, ensure reliability, operate distributed high-availability services, improve CI/CD and observability, partner across teams for incident response, security, and platform reliability.