Roblox

Principal ML Engineer focused on Embodied AI and Behavioral Agents for Roblox's 3D gaming platform. The role involves research and development of agents with human-like movement and strategic reasoning, leveraging Imitation Learning, Reinforcement Learning, Computer Vision, Computer Graphics, Robotics, and Agentic Reasoning. The goal is to create generalizable agents that can perceive 3D environments, understand game rules, plan long-term strategies, and execute complex physics-based actions, impacting millions of users in real-time gaming environments.

Director of Engineering for Studio Assistant at Roblox, focusing on evolving Roblox Studio into an AI-Native IDE by building and scaling agentic AI systems. The role involves owning technical direction, leading engineering teams, and driving alignment across various departments to deliver production-grade AI-powered creation tools.

Senior Machine Learning Engineer focused on building facial age estimation and real-time liveness checks for account identity and security. The role involves developing deepfake detection and 3D facial embeddings to combat fraud and identity spoofing, requiring expertise in computer vision and large-scale ML systems.

Senior Machine Learning Engineer on the Economy ML team at Roblox, responsible for building and iterating on deep learning models for ranking, recommendation, pricing, and content understanding across the platform's economic surfaces. This role involves owning the full ML lifecycle, from data exploration to production deployment, and designing experiments to optimize key business metrics. The engineer will also contribute to the team's technical direction and mentor other engineers.

Roblox is seeking a Principal Machine Learning Engineer to lead the technical vision for their Alternate Account Detection platform. This role involves architecting and building high-scale ML systems, specifically using Graph Neural Networks and advanced clustering techniques, to detect and prevent bad actors from rejoining the platform in near real-time. The engineer will also drive the ML roadmap, mentor other engineers, and focus on adversarial approaches to stay ahead of sophisticated actors.

Senior Machine Learning Engineer focused on Recommendation Systems at Roblox. The role involves designing and implementing large-scale recommendation systems using deep learning, generative AI, and LLMs for discovery across experiences, avatars, and creator content. It bridges research and production, impacting hundreds of millions of users.

Senior AI Platform Engineer focused on Agentic Systems, responsible for engineering and scaling foundational data infrastructure including Knowledge Graphs and Vector Databases to power AI applications. The role involves designing, developing, and operating these systems at massive scale, building APIs for integration into agentic and RAG applications, and researching advancements in VectorDB and Knowledge Graph technologies. The goal is to create a cutting-edge AI/ML platform for a large-scale consumer product.

Roblox is seeking a Principal Machine Learning Engineer for Safety AI Systems to define the technical strategy and execution roadmap for ML solutions in content and communication safety. This role involves leading a team, architecting large-scale systems for proactive moderation using LLMs and multimodal AI, and ensuring the safe deployment of innovative technologies to combat critical harms on the platform.

Distinguished Engineer/Technical Director to lead ML systems strategy and technical direction, focusing on large-scale recommendations, infrastructure, and Generative AI applications for Roblox's economy. The role involves building systems for retrieval, ranking, generative modeling, and LLM-powered personalization at massive scale, requiring deep systems thinking and hands-on ML expertise.

This role focuses on designing, prototyping, and scaling AI-augmented workflows for Trust & Safety Operations at Roblox. The Senior Analyst will translate operational pain points into AI workflows, partner with product and engineering, and build evaluation frameworks to ensure automations are safe, reliable, and measurable. The role involves using LLM agents, existing rules engines, and human review to improve efficiency and consistency, with a strong emphasis on analytical skills and cross-functional communication.

Principal Software Engineer on the Asset Safety team at Roblox, responsible for building and scaling distributed systems that power asset moderation for billions of user-generated assets. The role involves developing innovative detection approaches, scaling ML pipelines, and delivering end-to-end safety products in a rapidly evolving, adversarial landscape. This is a highly technical leadership role focused on ensuring safety and civility across various content types like images, avatars, and 3D content.

Senior Software Engineer to join the Customer Care team within the Trust & Safety organization, focusing on developing next-generation, AI-powered solutions at scale, including an LLM-backed chatbot, to revolutionize the user customer support experience.

Senior Engineering Manager for Search and Discovery ML team at Roblox, leading architects of exploration for one of the world's largest immersive platforms. Responsible for core algorithms connecting over 120 million daily active users with millions of 3D experiences, items, and social connections. This role directly determines the growth, retention, and satisfaction of the Roblox community, moving beyond traditional recommendation systems into multimodal, agentic, and generative discovery.

Roblox is seeking an Engineering Manager for their Critical Harms team, focusing on identifying and addressing high-risk problems like predatory behavior, child endangerment, extremism, and fraud using machine learning and scalable systems. The role involves leading a team, shaping roadmaps, and partnering with various stakeholders to develop innovative safety solutions in a complex, adversarial environment.

Senior Design Engineer on the Design Acceleration team, focused on building scalable systems, AI integrations, and custom tooling to empower designers and engineers. This role involves architecting backend services and APIs that connect design tools to AI models, developing agentic workflows for UI generation, building CI/CD pipelines for designers, and designing data architecture for design systems and AI data sources. The goal is to create internal tools, plugins, and web apps for design linting, code generation, and automated compliance, serving as a technical bridge between engineering, AI research, and product design.

This role focuses on transforming complex legalistic policy language into clear operational instructions for human moderators using AI, specifically LLMs. It involves advanced prompt engineering, few-shot learning, and rigorous testing of AI-generated content against ground truth data to ensure accuracy and enforceability. The goal is to move towards AI-assisted content scaling within Trust & Safety operations.

Principal AI/ML Engineer focused on leveraging ML to improve the reliability of the Roblox platform by detecting issues proactively and reducing incident resolution time. This involves building data pipelines, anomaly detection systems, reasoning layers for root cause analysis, and time-series models for capacity prediction.

Senior Engineering Manager for Roblox's Payments - Risk team, leading the vision and execution for core risk services that facilitate fiat monetary transactions. The role involves architecting and maintaining low-latency engines for real-time risk and fraud decisioning, building infrastructure for automated chargeback and dispute management using machine learning, developing systemic controls for AML and compliance, and owning data pipelines and simulation environments for risk models. This is a leadership role focused on protecting a multi-billion dollar economy and ensuring financial safety.

Senior Machine Learning Engineer at Roblox focused on building ML solutions for ad ranking and personalized advertising experiences. The role involves designing and implementing large-scale recommendation models and driving the development of an ML-driven advertising platform from its early stages. Experience with transformer models, training, and inference is a plus.

Senior Software Engineer to work on Roblox Studio, the IDE for creating experiences on the Roblox platform. The role involves architecting application frameworks, windowing systems, and code generation, with a focus on "AI Native" features and complex, agentic use cases. Experience with C++, UI frameworks, and a passion for improving code quality through AI are required.

Roblox is seeking a Design Engineer to evolve systems and processes powering their design organization through scalable systems, AI integrations, and custom tooling. The role involves building backend services, APIs, and data models to scale design systems, developing agentic workflows for UI generation, and creating automated pipelines for designers. The engineer will act as a technical bridge between core engineering, AI research, and product design.

Senior Full-stack Engineer on the Safety Application pod within the Safety Experience team at Roblox. This role focuses on building intuitive, scalable, and AI-agentic-powered tooling for safety operations. The engineer will own the full lifecycle of features, collaborate with product and operations, define architectural direction for AI integration, and contribute to shared moderation primitives. The role requires experience in distributed systems, full-stack development, and a safety-driven mindset, with a strong emphasis on building AI-centric solutions.

Senior Software Engineer on the User Safety team at Roblox, responsible for designing and building large-scale systems for abuse reporting. The role involves working on services with substantial scaling needs, leveraging ML to tackle difficult problems, and improving the efficacy, scale, and trustworthiness of abuse reporting systems. The team also works on moderation infrastructure and AI-powered text filters to ensure safety and compliance.

Roblox is seeking an Analytics Data Engineer for their Finance team to build and maintain data pipelines, focusing on creating an AI Business Context layer for financial applications. The role involves enabling natural language access to financial data, automated anomaly detection, and AI-assisted reporting, leveraging LLMs and prompt engineering.

Principal Software Engineer to drive technical strategy and execution for the Ads Experience team at Roblox. This role involves architecting the high-scale backbone of the monetization system, including the Ads Manager and immersive Brand Ads formats, while pioneering AI integration and balancing a three-sided marketplace economy. Key responsibilities include architecting the Roblox Ads Manager, Brand Ads Offering, and enabling Creator Success, driving technical strategy, and innovating with AI for multi-modal creatives and intelligent assistants. The role requires deep understanding of Ad Tech, full-stack and distributed systems mastery, and experience working with ML engineers.