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12,841 a16z jobs

Open roles at companies in the Andreessen Horowitz portfolio.

12.8K jobs
Roblox Backed by a16zBacked by GreylockBacked by Index Ventures
48 views 18 hours ago

Senior Software Engineer, Runtime

New North AmericaFull-timeSenior Salary + equity 8 questions Licensed UK sponsor — This employer appears on the GOV.UK register of licensed sponsors for the Skilled Worker and related work routes. The licence belongs to the employer and is not a commitment to sponsor this role.
United States
San Mateo, CA

Owns the concurrency core of the Roblox game engine — the task scheduler, fiber runtime, and async APIs. Day to day: building and optimizing C++ engine primitives, debugging production failures across PC, Mac, mobile, and console, and advising other engine teams. Core tech: modern C++, multithreading, and low-level performance work.

AI Android API C++ Fiber +3 skills
197K – 243K $
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Roblox Backed by a16zBacked by GreylockBacked by Index Ventures
207 views 18 hours ago

[2027] Senior Machine Learning Engineer - PhD Early Career

Open 27d North AmericaFull-timeSenior Salary + equity 14 questions Licensed UK sponsor — This employer appears on the GOV.UK register of licensed sponsors for the Skilled Worker and related work routes. The licence belongs to the employer and is not a commitment to sponsor this role.
United States
San Mateo, CA

Roblox is hiring a PhD-level senior machine learning engineer to take research projects end-to-end — from ideation through production deployment of deep learning, generative AI, multimodal, CV, NLP, and recommendation models that power the platform for hundreds of millions of daily users.

AI Computer Vision C++ Deep Learning Distributed Systems +7 skills
197K – 243K $
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Roblox Backed by a16zBacked by GreylockBacked by Index Ventures
100 views 18 hours ago

Senior Software Engineer, Test Frameworks & Tools

New North AmericaFull-timeSenior Salary + equity 7 questions Licensed UK sponsor — This employer appears on the GOV.UK register of licensed sponsors for the Skilled Worker and related work routes. The licence belongs to the employer and is not a commitment to sponsor this role.
United States
San Mateo, CA

Senior engineer on Roblox's Test Frameworks & Tooling team building and scaling backend services for the test automation lifecycle — frameworks, orchestration, AI-assisted test generation, canary analysis, and debugging tools. Requires 2+ years backend/infra experience with C#, Go, or Python; onsite in San Mateo Tue–Thu.

AI Automation CI/CD C# Observability +3 skills
197K – 243K $
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Roblox Backed by a16zBacked by GreylockBacked by Index Ventures
134 views 18 hours ago

Principal Data Scientist - Safety

Open 29d North AmericaFull-timePrincipal Salary + equity 6 questions Licensed UK sponsor — This employer appears on the GOV.UK register of licensed sponsors for the Skilled Worker and related work routes. The licence belongs to the employer and is not a commitment to sponsor this role.
United States
San Mateo, CA

Principal-level data scientist on Roblox's Content Safety team, building prevalence measurement methodologies, ground truth datasets, and causal-inference analyses to quantify and reduce harmful user-generated content across games, avatars, and in-game behaviors. Core stack includes Python/R, SQL, Hive, Spark, and Airflow, partnering with Product, Engineering, Policy, and Legal.

Airflow Analytics Big Data Causal Inference Data Engineering +8 skills
274K – 374K $
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Roblox Backed by a16zBacked by GreylockBacked by Index Ventures
97 views 18 hours ago

Principal Software Engineer - Streaming

Open 29d North AmericaFull-timePrincipal Salary + equity 6 questions Licensed UK sponsor — This employer appears on the GOV.UK register of licensed sponsors for the Skilled Worker and related work routes. The licence belongs to the employer and is not a commitment to sponsor this role.
United States
San Mateo, CA

Principal engineer on Roblox's Engine Networking team, building the real-time network transport layer that synchronizes game state across millions of players on desktop, mobile, and console clients. Core work is systems-level C++ on a user-space network stack, optimizing latency, throughput, congestion control, and OS-level performance on Linux.

C++ Linux Networking QoS
295K – 345K $
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Roblox Backed by a16zBacked by GreylockBacked by Index Ventures
86 views 18 hours ago

Senior Software Engineer - Network Transport

Open 23d North AmericaFull-timeSenior Salary + equity 7 questions Licensed UK sponsor — This employer appears on the GOV.UK register of licensed sponsors for the Skilled Worker and related work routes. The licence belongs to the employer and is not a commitment to sponsor this role.
United States
San Mateo, CA

Senior engineer on Roblox's Engine Networking team, building and optimizing the user-space network transport stack that keeps game state nearly synchronous in real time across desktop, mobile, and console clients. Core work is systems-level C++ with Linux networking, QoS, and congestion control.

C++ Linux Networking QoS
243K – 295K $
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Roblox Backed by a16zBacked by GreylockBacked by Index Ventures
93 views 18 hours ago

Principal Software Engineer - Service Networking

Open 28d North AmericaFull-timePrincipal Salary + equity 6 questions Licensed UK sponsor — This employer appears on the GOV.UK register of licensed sponsors for the Skilled Worker and related work routes. The licence belongs to the employer and is not a commitment to sponsor this role.
United States
San Mateo, CA

Principal engineer on Roblox's Service Mesh team: sets technical direction and does hands-on development of Envoy/Istio-based service-to-service networking across Kubernetes, Nomad, and cloud environments, partnering with Security and Compute teams while mentoring senior engineers.

Automation Cloud C++ Distributed Systems Envoy +6 skills
295K – 345K $
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Roblox Backed by a16zBacked by GreylockBacked by Index Ventures
95 views 18 hours ago

Senior Network Engineer - Data Center Networking

Open 28d North AmericaFull-timeSenior Salary + equity 6 questions Licensed UK sponsor — This employer appears on the GOV.UK register of licensed sponsors for the Skilled Worker and related work routes. The licence belongs to the employer and is not a commitment to sponsor this role.
United States
San Mateo, CA

Senior network engineer who designs, deploys, and operates Roblox's large-scale data center network in San Mateo, building high-performance CLOS fabrics, 400G/800G hardware, and GPU clusters for AI training. Core technologies include BGP, TCP/IP, IPv4/IPv6, plus automation and telemetry.

AI Automation BGP DHCP DNS +8 skills
243K – 295K $
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Roblox Backed by a16zBacked by GreylockBacked by Index Ventures
37 views 18 hours ago

Director, Law Enforcement & Critical Harms Operations

Open 19d HybridNorth AmericaFull-time Salary + equity 7 questions Licensed UK sponsor — This employer appears on the GOV.UK register of licensed sponsors for the Skilled Worker and related work routes. The licence belongs to the employer and is not a commitment to sponsor this role.
United States
San Mateo, CA

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…

Backbone.js Cloud Stakeholder Management
262K – 312K $
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Roblox Backed by a16zBacked by GreylockBacked by Index Ventures
117 views 18 hours ago

Principal Software Engineer, Agent Infrastructure

Open 22d North AmericaFull-timePrincipal Salary + equity 7 questions Licensed UK sponsor — This employer appears on the GOV.UK register of licensed sponsors for the Skilled Worker and related work routes. The licence belongs to the employer and is not a commitment to sponsor this role.
United States
San Mateo, CA

Principal engineer on Roblox's Agent Infra team, building the backend infrastructure that runs autonomous AI agents safely and reliably at scale for creators and internal engineers. Core work spans distributed systems design, workflow orchestration, sandboxing untrusted code, and production code in Go, Python, or Rust.

Agentic AI AI Argo CD AWS GitOps +5 skills
279K – 345K $
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Roblox Backed by a16zBacked by GreylockBacked by Index Ventures
142 views 18 hours ago

Software Engineer, Frontend - Economy

New North AmericaFull-time Salary + equity 8 questions Licensed UK sponsor — This employer appears on the GOV.UK register of licensed sponsors for the Skilled Worker and related work routes. The licence belongs to the employer and is not a commitment to sponsor this role.
United States
San Mateo, CA

Frontend software engineer on Roblox's Economy team, building polished web and mobile shopping, creator-earning, and personalization experiences for the world's largest virtual economy. Daily work uses JavaScript/TypeScript and React, with close collaboration alongside product, design, data science, ML, and backend teams.

Data Science E-commerce JavaScript Machine Learning React +1 skills
153K – 197K $
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Roblox Backed by a16zBacked by GreylockBacked by Index Ventures
116 views 18 hours ago

Software Engineer, ROS

Open 25d North AmericaFull-time Salary + equity 7 questions Licensed UK sponsor — This employer appears on the GOV.UK register of licensed sponsors for the Skilled Worker and related work routes. The licence belongs to the employer and is not a commitment to sponsor this role.
United States
San Mateo, CA

Software engineer on Roblox's internal ROS team building enterprise products and the company data platform (Work Tracker, People App, Builder Profiles, Org Chart). Full-stack work spanning frontend, backend, data pipelines, and infrastructure using technologies like TypeScript/React and Python, with AI used to make company data accessible to employees and AI agents.

Agentic AI AI Data Pipelines Python React +1 skills
169K – 212K $
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Roblox Backed by a16zBacked by GreylockBacked by Index Ventures
57 views 18 hours ago

Senior GRC Analyst

Open 21d North AmericaFull-timeSenior Salary + equity 7 questions Licensed UK sponsor — This employer appears on the GOV.UK register of licensed sponsors for the Skilled Worker and related work routes. The licence belongs to the employer and is not a commitment to sponsor this role.
United States
San Mateo, CA

Senior GRC Analyst on Roblox's Information Security team: writes and manages security policies, identifies and assesses security risk (including FAIR-based quantification), validates control effectiveness, and builds automation to scale governance, risk, and compliance programs. Based in San Mateo, CA, onsite Tue-Thu.

Risk Assessment
181K – 224K $
Roblox Backed by a16zBacked by GreylockBacked by Index Ventures
60 views 18 hours ago

Senior Technical Program Manager, Engine

New North AmericaFull-timeSenior Salary + equity 7 questions Licensed UK sponsor — This employer appears on the GOV.UK register of licensed sponsors for the Skilled Worker and related work routes. The licence belongs to the employer and is not a commitment to sponsor this role.
United States
San Mateo, CA

Roblox is hiring a Senior Technical Program Manager to drive cross-functional engineering programs for its game engine, graphics, and avatar mechanics — defining scopes, milestones, and execution plans, tracking program health and risks, and coordinating engineering, product, and stakeholders to ship platform technologies.

226K – 277K $
Roblox Backed by a16zBacked by GreylockBacked by Index Ventures
83 views 18 hours ago

Senior Software Engineer, Video Rendering

Open 22d North AmericaFull-timeSenior Salary + equity 7 questions Licensed UK sponsor — This employer appears on the GOV.UK register of licensed sponsors for the Skilled Worker and related work routes. The licence belongs to the employer and is not a commitment to sponsor this role.
United States
San Mateo, CA

Senior engineer on Roblox's Video Team building video capture, encoding, playback, and rendering for the Android platform using C++ and NDK APIs like Vulkan and AMediaCodec, with opportunities to contribute across desktop, console, web, and backend microservices.

AI Android API C++ LLM +1 skills
243K – 295K $
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Roblox Backed by a16zBacked by GreylockBacked by Index Ventures
126 views 18 hours ago

Software Engineer, Notifications

New North AmericaFull-time Salary + equity 8 questions Licensed UK sponsor — This employer appears on the GOV.UK register of licensed sponsors for the Skilled Worker and related work routes. The licence belongs to the employer and is not a commitment to sponsor this role.
United States
San Mateo, CA

Builds and operates Roblox's notification systems, routing push, in-app, email, and toast notifications to millions of users; ships ranking/recommendation features, runs A/B experiments, and maintains developer-facing APIs. Needs 1–3 years of backend/distributed systems experience; onsite in San Mateo, CA Tue–Thu.

API Data Pipelines Data Science Distributed Systems Machine Learning +1 skills
153K – 197K $
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Okta Backed by a16zBacked by SequoiaBacked by Greylock
15 views 18 hours ago

Senior Commissions Manager

Open 71d North AmericaSenior Salary + equity 6 questions Licensed UK sponsor — This employer appears on the GOV.UK register of licensed sponsors for the Skilled Worker and related work routes. The licence belongs to the employer and is not a commitment to sponsor this role.H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.
United States
San Francisco, California

Secure Every Identity, from AI to Human Identity is the key to unlocking the potential of AI. Okta secures AI by building the trusted, neutral infrastructure that enables organizations to safely embrace this new era.…

AI Analytics Automation CRM Go-to-Market +7 skills
170K – 234K $
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Roblox Backed by a16zBacked by GreylockBacked by Index Ventures
62 views 18 hours ago

Director, Developer Relations

Open 23d EuropeContract 10 questions Licensed UK sponsor — This employer appears on the GOV.UK register of licensed sponsors for the Skilled Worker and related work routes. The licence belongs to the employer and is not a commitment to sponsor this role.
Netherlands
Amsterdam, North Holland

Lead Roblox's developer ecosystem strategy and growth across Europe from Amsterdam: build executive relationships with studios, publishers, and creators, define the regional multi-year strategy, and grow the regional DevRel team. Requires 10+ years in developer relations, games, or partnerships and familiarity with tools like Roblox Studio, Unity, or Unreal.

Business Development
Roblox Backed by a16zBacked by GreylockBacked by Index Ventures
123 views 18 hours ago

Software Engineer, Creator Services Communication

New North AmericaFull-time Salary + equity 8 questions Licensed UK sponsor — This employer appears on the GOV.UK register of licensed sponsors for the Skilled Worker and related work routes. The licence belongs to the employer and is not a commitment to sponsor this role.
United States
San Mateo, CA

Builds the communications plane for the Roblox platform — cross-server messaging, developer HTTP/teleport APIs, and compute functions — solving distributed-systems and networking problems at many-million-player scale. Full-stack work spans the C++ engine, C# services, Kafka/Flink, Redis/Elasticsearch/Clickhouse, and React UIs. Onsite Tue–Thu in San Mateo.

API ClickHouse C++ C# Data Pipelines +12 skills
153K – 197K $
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Roblox Backed by a16zBacked by GreylockBacked by Index Ventures
62 views 18 hours ago

Senior Technical Artist

New North AmericaFull-timeSenior Salary + equity 7 questions Licensed UK sponsor — This employer appears on the GOV.UK register of licensed sponsors for the Skilled Worker and related work routes. The licence belongs to the employer and is not a commitment to sponsor this role.
United States
San Mateo, CA

A Senior Technical Artist at Roblox works at the intersection of art and engineering, building GenAI-native production pipelines in Roblox Studio, prototyping terrain and shader tools, and defining best practices for hybrid generative/traditional 3D workflows. Core focus: real-time engines, DCC tools, and AI-powered creator tooling.

AI Generative AI
230K – 282K $
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