12,841 a16z jobs
Open roles at companies in the Andreessen Horowitz portfolio.
Senior Security Software Engineer, Infrastructure Security
Build and enforce secure-by-default infrastructure standards, policies, and automation for Roblox’s cloud and on-prem systems, partnering with InfoSec teams to protect millions of users.
Senior Product Manager, App Performance & Architecture
Own the multi-year roadmap for Roblox’s app architecture, defining core systems like process lifecycle, asset download orchestration, and observability frameworks to keep the 3D platform performant and scalable across all devices.
Senior Program Manager
Senior individual-contributor Program Manager on the Roblox Live team, coordinating a slate of live in-game experiences (music, entertainment, creator events). Owns the program calendar, cross-team dependencies, budget, risk register, and executive communications, using tools like Jira, Airtable, and Asana.
Senior Software Engineer, Safety Foundation
Senior backend engineer on Roblox's Safety Foundation team, architecting and scaling the platform infrastructure behind content moderation and safety workflows for 100M+ daily users, with an AI-first platform rebuild underway. Core stack: Go, distributed systems, and NoSQL stores (Cassandra/DynamoDB).
Senior Software Engineer - Safety Experience
Senior full-stack engineer on Roblox's Safety Applications team, owning end-to-end in-house safety labeling and investigative tooling — designing high-throughput microservices and integrating LLM/agentic AI into moderation workflows. Stack includes React, Golang, Python, relational/NoSQL databases, and cloud platforms.
Principal Security Software Engineer, Application Security
Leads application security initiatives at Roblox, shaping security standards, threat modeling, and secure design for immersive gaming/media platforms; collaborates with engineering teams to automate security practices and mentor engineers.
Senior Software Engineer, Frontend (App Foundations)
Senior frontend engineer shaping the architecture of Roblox's consumer-facing app surfaces (Home, Avatar, Search). Day to day: building reusable React-style abstractions and Luau UI libraries, defining architecture and state-management standards, and optimizing performance across web, mobile, and desktop clients.
Senior Software Engineer, Engine Systems
Builds core C++ systems for Roblox’s 3D engine, including DataModel structures, reflection bindings, and serialization to power millions of user-created games.
Senior Software Engineer (Full Stack), Global Actions
Senior full-stack engineer at Roblox building Global Actions, starting with an Affinity System (Saves, Collections, Wishlists) that replaces the fragmented Favorites experience. Day to day: design backend APIs and data models, lead a data-safe migration across web, mobile, console, and VR, and build React-based cross-platform UI.
Engineering Manager, Observability Infrastructure
Leads Roblox's Observability Infrastructure team, managing engineers who build AI-powered observability platforms (telemetry, distributed tracing, logging, profiling, storage, dev-facing visualization) to boost developer productivity, CI/CD, and platform reliability at massive scale. Based in San Mateo, CA with a hybrid Tue-Thu onsite schedule.
Senior Security Software Engineer, Application Security
Designs and implements scalable security solutions (SAST, fuzzing, CI/CD integrations) to embed security into Roblox’s developer workflows and platforms, focusing on threat modeling, automation, and secure-by-default engineering for a global gaming/media platform.
Engineering Manager, Application Security
Lead a team of application security engineers to embed security into Roblox’s products and development workflows, balancing risk reduction with engineering velocity.
Engineering Manager, Home Infrastructure (Recommendation Systems)
Leads a team of backend and data engineers building the large-scale backend, data, and personalization infrastructure behind Roblox's Homepage and Experience Details discovery surfaces. Work spans distributed systems, ML-powered recommendations, ranking, real-time signals, and product experimentation at massive scale.
Director, Product Management, Consumer Frontend
Lead the product vision for Roblox’s consumer frontend, standardizing UI/UX across mobile, desktop, console, VR, and web while driving adoption of design systems and platform-wide improvements.
Global Mobility Lead
Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. At…
Senior Security Software Engineer, Vulnerability Management
Build and scale internal tools to detect, prioritize, and remediate security vulnerabilities across Roblox’s platform and tech stack.
Principal Software Engineer - Roblox Economy Platform
Principal engineer leading backend systems that power Roblox’s virtual currency (Robux), enabling creators to monetize games and process billions of transactions.
Technical Director - AI Roblox Studio
Lead the architecture and implementation of AI-native coding agents inside Roblox Studio, building production-grade systems that plan, execute, validate, and iterate alongside creators.