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Roblox Backed by a16zBacked by GreylockBacked by Index Ventures
13 views 13 hours ago

Senior Software Engineer - Data Acquisition

Open 19d North AmericaFull-timeSenior 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

Senior engineer on Roblox's new Data Intake team, building a service that acquires external datasets, processes them into consistent formats, and stores them for training Roblox's future foundation models. Day-to-day work centers on AWS infrastructure (Terraform, EKS, VPC networking), Trino/Spark and SQL data systems, and Python data tooling, with tech-lead and mentoring duties.

Agentic AI Analytics API Automation AWS +12 skills
197K – 243K $
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Roblox Backed by a16zBacked by GreylockBacked by Index Ventures
14 views 13 hours ago

Senior Software Engineer, Creator Collaboration

Open 27d North AmericaFull-timeSenior 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

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
9 views 13 hours ago

Principal Software Engineer - Object Store

Open 32d North AmericaFull-timePrincipal 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

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
8 views 13 hours ago

Principal Software Engineer, App Performance

Open 23d North AmericaFull-timePrincipal 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

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
14 views 13 hours ago

Software Engineer, Engine Scalability

Open 27d North AmericaFull-time 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

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
9 views 13 hours ago

Principal Software Engineer, Engine Systems

Open 28d HybridNorth AmericaFull-timePrincipal 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

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
7 views 13 hours ago

Senior Software Engineer, Reliability

Open 28d North AmericaFull-timeSenior 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

Senior software engineer on Roblox's Reliability team, building fault-tolerant libraries, automation, load-testing guardrails, canarying services, and observability tooling to keep the platform reliable at massive scale. Requires 4+ years of experience and coding skills in languages like Go, C#, or Java.

Automation C# Java Observability SRE
243K – 295K $
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Roblox Backed by a16zBacked by GreylockBacked by Index Ventures
15 views 13 hours ago

Software Engineer, Test Frameworks & Tooling

Open 22d North AmericaFull-time 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

Engineer on Roblox's Test Frameworks & Tooling team, designing and scaling the test automation infrastructure behind Roblox's services — frameworks, runners, orchestration, AI-assisted test generation, canary analysis, and debugging tools — using languages like C#, Go, or Python, onsite in San Mateo, CA.

AI Automation CI/CD C# Observability +2 skills
153K – 197K $
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Roblox Backed by a16zBacked by GreylockBacked by Index Ventures
15 views 13 hours ago

Principal Machine Learning Platform Engineer, Foundation AI

Open 15d North AmericaFull-timePrincipal 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

Principal engineer who owns Roblox's internal ML platform as a product — building serving layers, model registries, pipeline orchestrators, and training/inference control planes exposed via APIs, SDKs, CLIs, and UIs. Blends backend engineering, developer experience, and large-scale GPU infrastructure work.

AI API Api Design Bootstrap CI/CD +7 skills
295K – 345K $
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Roblox Backed by a16zBacked by GreylockBacked by Index Ventures
11 views 13 hours ago

Senior Data Scientist, Monetary Policy

Open 19d North AmericaFull-timeSenior 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

Senior data scientist who builds macroeconomic models and simulation frameworks for Roblox's virtual economy — forecasting Robux money supply, inflation, and exchange-rate policies, and running counterfactual simulations to inform monetary policy decisions with Product and Finance leadership. Core toolkit: econometrics, causal inference, time-series forecasting, and agent-based modeling.

Analytics Causal Inference Data Engineering Data Science Machine Learning +2 skills
264K – 323K $
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Roblox Backed by a16zBacked by GreylockBacked by Index Ventures
5 views 13 hours ago

Senior Software Engineer, Engine Harmony

NewBe an early applicant North AmericaFull-timeSenior 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

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
18 views 13 hours ago

[2027] Senior Machine Learning Engineer - PhD Early Career

Open 20d North AmericaFull-timeSenior 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

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
23 views 13 hours ago

[2027] Data Scientist - PhD Intern

Open 20d North AmericaInternshipIntern 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

A PhD-level data science intern at Roblox's San Mateo HQ, conducting causal inference, experiment design, and machine learning research that powers product teams spanning AI evaluation, safety, economy, engine, social, growth, and ads. Core tools include SQL, Python/R, and big-data technologies like Hive, Spark, and Airflow.

AI Airflow Analytics Big Data Causal Inference +9 skills
66 – 66 $ / hr
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Roblox Backed by a16zBacked by GreylockBacked by Index Ventures
6 views 13 hours ago

Senior Software Engineer, Test Frameworks & Tools

NewBe an early applicant North AmericaFull-timeSenior 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

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
17 views 13 hours ago

Principal Data Scientist - Safety

Open 22d North AmericaFull-timePrincipal 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

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
11 views 13 hours ago

Principal Software Engineer - Streaming

Open 22d North AmericaFull-timePrincipal 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

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
10 views 13 hours ago

Senior Software Engineer - Network Transport

Open 16d North AmericaFull-timeSenior 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

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
13 views 13 hours ago

Principal Software Engineer - Service Networking

Open 21d North AmericaFull-timePrincipal 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

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
12 views 13 hours ago

Senior Network Engineer - Data Center Networking

Open 21d North AmericaFull-timeSenior 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

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
8 views 13 hours ago

Senior Software Engineer, Foundation & Luau Platform

NewBe an early applicant North AmericaFull-timeSenior 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

Senior engineer on Roblox's Foundation & Luau Platform team, building the shared UI platform Roblox apps run on — frameworks, component library, server-driven UI, navigation and state management — using Luau and React-style frameworks, with a focus on performance, safe staged rollouts, and driving platform adoption. Based in San Mateo (hybrid Tue–Thu onsite).

Android API Feature Engineering iOS Lua +2 skills
197K – 243K $
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