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Roblox Backed by a16zBacked by GreylockBacked by Index Ventures
120 views 9 hours ago

Principal Software Engineer, Ads User Experience

Open 36d 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 software engineer building Roblox's first-of-its-kind ads system inside its C++ game engine — developing new ad formats starting with video, and designing high-performance, scalable systems that shape a new multi-billion-dollar ads business while preserving user experience and platform integrity.

Analytics C++ Data Science
295K – 345K $
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akina.catsone.com
9 hours ago

RF Software Engineer 3 - (Linux, Python, C++)

New North America
United States
Annapolis Junction, Maryland

Senior RF software engineer at a cleared government contractor in Annapolis Junction, MD: develops, debugs, and maintains complex DSP/RF-focused software systems in C++, Python, and Linux, including algorithm design and system integration. Requires TS/SCI clearance with polygraph and ~12 years of relevant experience; pays $256k-$313k annually.

C++ Linux Python TypeScript
256K – 313K $
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Roblox Backed by a16zBacked by GreylockBacked by Index Ventures
121 views 9 hours ago

Software Engineering Manager - Network Transport

Open 38d North AmericaFull-time 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

Engineering manager role at Roblox leading the Engine Networking team — owning architecture, execution, and career growth of engineers building real-time state synchronization and asset streaming/delivery systems. Core tech: C++, Linux networking, congestion control/QoS, CDNs, caching, and multithreaded client/server systems at global scale.

C++ Linux Networking QoS
294K – 343K $
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Roblox Backed by a16zBacked by GreylockBacked by Index Ventures
115 views 9 hours ago

Software Engineering Manager - Engine Networking

New North AmericaFull-time Salary + equity No extra 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

Leads Roblox's Engine Networking team, which delivers real-time game state and content for seamless multiplayer experiences to millions of daily players. The manager owns roadmaps end to end, stays hands-on with C++ coding and architecture review, and hires and coaches engineers building low-latency networking at massive scale.

C++ Linux Networking QoS
294K – 343K $
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Roblox Backed by a16zBacked by GreylockBacked by Index Ventures
121 views 9 hours ago

Principal Software Engineer - Avatar Personalization

Open 20d 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 Avatar Personalization team, building avatar creation and customization features (animation, clothing, hair, shading) directly in the Roblox game engine using C++ and Lua, with technical leadership and cross-team architectural work at scale for tens of millions of users. Onsite in San Mateo Tue-Thu.

API C++ Lua Networking
295K – 345K $
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Roblox Backed by a16zBacked by GreylockBacked by Index Ventures
116 views 9 hours ago

Senior Software Engineer, Creator Services Translation

Open 41d 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 engineer on Roblox's Creator Services Translation team, designing and building highly scalable distributed backend systems for the localization pipeline (text, image, audio detection, translation, serving, rendering). Full-stack work spans client, game engine, backend services, and ML models, using C#, C++, Go, or Python with microservices.

C++ C# Machine Learning Microservices Python
243K – 295K $
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Roblox Backed by a16zBacked by GreylockBacked by Index Ventures
123 views 9 hours ago

Principal Software Engineer, Build

Open 36d 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 Build Surfaces team, leading end-to-end development of AI-assisted creator tools across Roblox Studio and the app — text-to-game generation, iteration, monetization, and analytics — while mentoring engineers. Primarily works in React, Luau, and occasionally C++.

A/B Testing Agentic AI AI Analytics C++ +3 skills
295K – 345K $
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Roblox Backed by a16zBacked by GreylockBacked by Index Ventures
114 views 9 hours ago

Senior Software Engineer, Creator Collaboration

Open 35d 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

Designs and builds large-scale services for creator collaboration at Roblox, including the real-time Team Create product and the Creation Platform APIs that AI agents access via MCP. Full-stack work in C#, C++, Java, or Python, with emphasis on scale, architecture, and mentoring other engineers.

Agentic AI AI API C++ C# +5 skills
243K – 295K $
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Roblox Backed by a16zBacked by GreylockBacked by Index Ventures
119 views 9 hours ago

Principal Software Engineer - Object Store

Open 40d 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 setting the technical direction for Roblox's in-house, bare-metal, S3-compatible object storage platform that serves assets, media, analytics and ML datasets at exabyte scale, migrating workloads off cloud object storage. Day to day: distributed storage architecture and data-path tuning in C++, Go, or Rust, control-plane and fleet operations, plus mentoring.

Analytics API Automation CI/CD Cloud +5 skills
295K – 345K $
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Roblox Backed by a16zBacked by GreylockBacked by Index Ventures
119 views 9 hours ago

Principal Software Engineer, App Performance

Open 31d 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 Consumer App Performance team, driving stability and performance across the cross-platform C++ game engine and client codebase on mobile, desktop, and console — profiling bottlenecks, mitigating crashes and hangs, and building monitoring and CI/CD guardrails to prevent regressions.

API Automation CI/CD C++ Lua
295K – 345K $
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Roblox Backed by a16zBacked by GreylockBacked by Index Ventures
146 views 9 hours ago

Software Engineer, Engine Scalability

Open 35d 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 Engine Scalability team, building C++ 3D engine systems for avatars and environments — mesh processing, LOD, streaming, and performance work so high-fidelity multiplayer worlds run smoothly on phones and low-end devices. Hybrid onsite in San Mateo, CA (Tue–Thu).

C++ GPU
153K – 197K $
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Roblox Backed by a16zBacked by GreylockBacked by Index Ventures
136 views 9 hours ago

Principal Software Engineer, Engine Systems

Open 36d HybridNorth 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 DataModel team, owning the core data structures, C++ reflection bindings behind the Luau API, and serialization that form the backbone of the Roblox engine. Day to day is high-performance systems-level C++ work that must run well across desktop, mobile, and console clients, based hybrid (3 days/week) in San Mateo, CA.

API Backbone.js C++
295K – 345K $
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Roblox Backed by a16zBacked by GreylockBacked by Index Ventures
113 views 9 hours ago

Senior Software Engineer, Engine Harmony

Open 15d 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 Game Engine Systems team writing C++ engine code that harmonizes CPU, memory, and bandwidth resource usage so gameplay runs well across devices — from mobile clients to cloud servers — with optimization work to improve player engagement.

Cloud C++ Machine Learning
197K – 243K $
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Roblox Backed by a16zBacked by GreylockBacked by Index Ventures
74 views 9 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
235 views 9 hours ago

[2027] Senior Machine Learning Engineer - PhD Early Career

Open 28d 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
124 views 9 hours ago

Principal Software Engineer - Streaming

Open 30d 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
110 views 9 hours ago

Senior Software Engineer - Network Transport

Open 24d 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
116 views 9 hours ago

Principal Software Engineer - Service Networking

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 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
108 views 9 hours ago

Senior Software Engineer, Video Rendering

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 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
160 views 9 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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