Senior Infrastructure Software Engineer

Skydio, a premier drone manufacturer based in the United States, stands at the forefront of autonomous flight technology, paving the way for the future of drones and aerial mobility. Our diverse team merges profound expertise in artificial intelligence with top-tier hardware and software development, operational excellence, and a relentless focus on customer…

Join Roblox as a Principal Machine Learning Engineer specializing in Engineering Efficiency! In this pivotal role, you will leverage cutting-edge machine learning techniques to enhance our engineering processes and optimize performance. Collaborate with a team of talented engineers to deliver innovative solutions that drive productivity and efficiency across our platforms.

Roblox is a dynamic platform where millions engage daily to explore, create, and connect within immersive 3D digital experiences crafted by our global community of developers and creators.We are dedicated to building tools and a platform that empower our community to transform their imaginative ideas into reality. Our vision aims to revolutionize the way people connect, enabling interactions from anywhere in the world and on any device. Our mission is to connect a billion people with positivity and respect, and we are in search of exceptional talent to help us achieve this goal.Joining Roblox means you will be at the forefront of shaping the future of human interaction, tackling unique technical challenges at scale, while enhancing safety and civility in shared experiences for everyone.As the number of daily active users on Roblox continues to surge, we are looking for skilled machine learning engineers who excel in solving complex problems and designing scalable, innovative solutions. In this pivotal role, you will create deep learning models for our performance advertising business, establishing the groundwork for effective ads that benefit our users and deliver significant value to our advertisers.You'll be tasked with developing cutting-edge machine learning solutions that enhance ad ranking algorithms and create personalized advertising experiences. As our advertising system is still evolving, this role presents a unique chance to shape and build a world-class ML-driven advertising platform from the ground up.

Roblox is a dynamic platform where millions engage daily to explore, create, and connect through immersive 3D experiences crafted by a vibrant global community of developers and creators.Our mission at Roblox is to empower individuals to bring their imaginative experiences to life, transforming how people connect from anywhere in the world and on any device. We are dedicated to fostering a community that champions optimism and civility, and we are actively seeking exceptional talent to join us on this journey.Joining Roblox means you will play a pivotal role in shaping the future of human interaction, tackling unique technical challenges at scale, and contributing to safer, more respectful shared experiences for users worldwide.Why Focus on Safety?At Roblox, our commitment is to connect a billion people with optimism and civility. The Safety organization is at the forefront of creating civil immersive online communities. We proactively identify, remove, and mitigate problematic content and behaviors, ensuring that Roblox remains a safe, inclusive, and civil platform that nurtures positive relationships globally.Why Safety AI Systems?As a Principal Machine Learning Engineer specializing in Safety AI Systems, you will be instrumental in defining the future of proactive moderation while making a significant social impact through innovative machine learning solutions. This role merges the technical authority of a Principal Engineer with the leadership of an Engineering Manager, addressing critical safety challenges.You will establish the 3-5 year technical strategy and architectural framework guiding how Roblox employs machine learning—from rapid text filtering to utilizing multimodal Generative AI—to address the most complex safety issues on the platform. Your leadership will shape the execution roadmap and technical planning, overseeing the launch of high-priority machine learning initiatives. You will set the standards for innovation in data quality, model robustness, and ethical deployment across the entire Content & Communication Safety ML division.Lead and expand a high-performing team of contributors, offering both strategic direction and hands-on mentorship to those responsible for the architectural evolution of our safety systems.

At Roblox, our platform allows millions of users to explore, create, and connect in immersive 3D experiences crafted by our diverse community of developers. Every day, players from around the globe engage in imaginative play and learning, and we are dedicated to empowering them with the tools they need to bring their visions to life.Our mission is to foster a connected world, inspiring a billion people to engage with optimism and respect. We are seeking exceptional talent to join us on this journey, shaping the future of human interaction and tackling unique challenges at scale to create safe, enjoyable shared experiences.As a Senior Machine Learning Engineer at Roblox, you will tackle complex problems using cutting-edge AI and machine learning technologies to innovate the experiences of our growing user community. We are looking for leaders in AI and ML to spearhead the development of cost-effective machine learning solutions, guiding the design of essential components for on-device ML operations. Your work will focus on enhancing model architectures, facilitating efficient deployment to cloud and client systems, and managing sophisticated tasks such as Generative AI model deployment. You will play a key role in optimizing architectures across a variety of compute devices, making the best use of available resources. Join us in our exciting journey!

About the RoleThis position is pivotal in overseeing infrastructure across our entire tech stack. If it exists in the cloud, it falls under your purview. In the world of robotics, data is essential, and we require robust, scalable infrastructure to manage, store, and process vast amounts of this data. The APIs, services, and monitoring systems you will manage are critical to our operations.Your Responsibilities Include:Managing compute resources (both CPU and GPU) to efficiently process petabytes of data at high throughput.Overseeing the infrastructure required for data processing and storage.Ensuring the security and integrity of our infrastructure and data.You Will Excel in This Role If You Have:A minimum of 5 years of experience in managing large-scale cloud infrastructure using tools such as Kubernetes and Terraform, with a primary focus on Python services.Deep understanding of AWS services (or their equivalents) and their permission models.Strong perspectives on the effective use of coding agents within an infrastructure context.

About Us:At Fireworks AI, we are pioneering the future of generative AI infrastructure. Our innovative platform provides top-tier models with unmatched inference speed and scalability. Recognized as a leader in LLM inference, we are committed to driving transformative advancements through projects like our proprietary function calling and multimodal models. As a Series C company valued at $4 billion, we are proudly supported by esteemed investors including Benchmark, Sequoia, Lightspeed, Index, and Evantic. Our dynamic team, comprised of experts from Meta PyTorch and Google Vertex AI, is united in our ambition to redefine AI technology.The Role:As a Member of the Technical Staff within our Research team, you will explore the frontiers of generative AI, enhancing LLMs and multimodal systems through foundational research. Your contributions will improve model efficiency, accuracy, and scalability, directly influencing our high-performance AI infrastructure. Collaborating with leading experts in deep learning, distributed systems, and optimization, you will translate groundbreaking research into practical applications. Your work will empower some of the world's foremost companies in their AI development efforts.

Roblox is a vibrant platform where millions of users come together to explore, create, play, learn, and connect in immersive 3D experiences crafted by a diverse global community of developers.At Roblox, we are dedicated to building innovative tools and a robust platform that empower our community to bring their imaginative experiences to life. Our vision is to transform how people unite, no matter where they are in the world or what device they use. We are on a mission to connect a billion individuals with optimism and civility, and we seek exceptional talent to help us achieve this goal.Joining Roblox means you will be at the forefront of shaping the future of human interaction, tackling unique technical challenges at scale, and creating safer, more respectful shared experiences for all.Our engine's resource management and streaming systems are crucial for providing a seamless, stable, and responsive experience for Roblox users across a vast array of devices and network conditions. These systems collaboratively manage compute, memory, bandwidth, and rendering quality while delivering dynamic world content in real time as players interact with their environments. The challenges we face include highly dynamic environments, unpredictable user behaviors, and opaque signals stemming from device and OS limitations.This position offers a unique chance to lead the integration of machine learning into real-time engine optimization. You will develop the ML framework for predictive resource allocation and content fetching, transitioning from heuristic-based logic to adaptive, data-driven decision-making. Your contributions will directly influence stability, visual quality, responsiveness, and content delivery across billions of global play sessions.

Every day, tens of millions of users engage with Roblox to explore, create, play, learn, and connect with friends in immersive 3D digital environments, all crafted by our diverse community of developers and creators. At Roblox, we are committed to building the tools and platform that empower our community to realize their imaginative experiences. Our vision is to redefine how people connect from anywhere in the world and across all devices. Our mission is to link a billion people with optimism and civility, and we are seeking exceptional talent to help achieve this goal. A career at Roblox means you will be at the forefront of shaping the future of human interaction, tackling unique technical challenges on a grand scale, and aiding in the creation of safer, more respectful shared experiences for all.At Roblox, we are developing a platform that empowers a global community of creators and developers to construct immersive experiences and a vibrant virtual economy. Our Economy ML team plays a pivotal role in this mission, delivering scalable machine learning systems that enhance personalization, pricing, search, and content comprehension across all Economy surfaces: Marketplace, Developer Monetization, Payments, and Avatar.We are in search of a Distinguished Engineer/Technical Director to spearhead the strategy and technical direction for ML systems, with an emphasis on large-scale recommendations, infrastructure, and the latest Generative AI applications. You will contribute to the development of systems that support retrieval, ranking, generative modeling, and LLM-powered personalization, all at an extraordinary scale. This role demands advanced systems thinking, hands-on ML proficiency, and a vision for the integration of traditional ML and GenAI to drive the future of the Roblox economy.Why Choose Roblox for ML SystemsAI/ML is a top company priority, with a long-term commitment.Real-world scale: Facilitate millions of daily economic interactions across ranking, pricing, fraud detection, and search.Full-system ownership: Design and optimize end-to-end ML pipelines, encompassing data ingestion, GPU training, and live inference.Complex surfaces, rich signals: Create systems for 3D content, user-generated content (UGC), avatar metadata, behavioral and economic signals, beyond just text or images.

About ParspecEstablished in 2021, Parspec is at the forefront of transforming material procurement within the $13 trillion USD construction sector. By digitizing and systematically organizing product data, our cutting-edge AI technology offers a dynamic catalogue housing millions of products. This empowers our clients—designers, builders, distributors, and sales agents—to swiftly identify the most suitable products. Supported by top-tier venture investors, Parspec is dedicated to fostering a more innovative, interconnected, and sustainable future in construction. We invite you to join us in developing groundbreaking technologies that redefine one of the oldest and largest industries in the world.The OpportunityWe are in search of an accomplished Senior Machine Learning Engineer to join our talented AI team. In this pivotal role, you will spearhead the design, development, and deployment of advanced machine learning models, concentrating on search ranking, recommendation engines, and precise document extraction. Collaborating closely with business, product, and engineering teams, you will tackle complex data science challenges and create impactful AI-driven features central to our offerings.This position offers a unique chance to lead innovation at the intersection of advanced AI technologies, including LLMs and vector databases, to revolutionize an industry primed for digital transformation.Your Key ResponsibilitiesAI System DevelopmentSearch & Recommendation Systems: Drive the creation and execution of sophisticated Search, Ranking, and Recommendation systems to streamline customer navigation through extensive technical product inventories.Document Extraction & NLP: Engineer high-precision NLP and document extraction pipelines to convert and structure intricate construction data from unstructured formats.Advanced Architecture: Investigate and implement innovative deep learning architectures, with an emphasis on hybrid retrieval models and fine-tuned LLMs.Production Deployment: Develop, train, and deploy scalable deep learning and machine learning models that integrate seamlessly into production systems.Agentic Workflows: Design autonomous or semi-autonomous agents capable of planning and executing multi-step discovery tasks.

Roblox is a dynamic platform where millions of users venture daily to explore, create, engage, and connect with friends in immersive 3D digital environments crafted by our vibrant community of developers and creators.At Roblox, we are dedicated to developing tools and platforms that empower our community to transform their imaginative ideas into reality. Our vision is to redefine global connectivity, enabling people to come together from anywhere in the world, accessible on any device. We are on a mission to unite a billion people with positivity and respect, and we are seeking exceptional talent to help us achieve this goal.A career at Roblox means you will play a pivotal role in shaping the future of human interaction, tackling unique technical challenges on a grand scale, and contributing to the creation of safer, more respectful shared experiences for all.The Foundation AI Group aims to position Roblox as the benchmark for 3D foundational models (3DFMs), making it easier for anyone to craft high-quality, immersive 3D experiences using AI. The AI Platform team is integral to this vision, managing hundreds of machine learning use cases and handling billions of inferences daily across areas like Discovery, Safety, and Engine. We are searching for exceptional PhD graduates to spearhead innovation in three vital areas: AI Platform, Distributed Inference Systems, and Generative AI Information Retrieval.Your RoleAs a Senior Machine Learning Engineer on the AI Platform team, you will be a vital contributor to the development of innovative systems that drive AI at Roblox. You will concentrate on one of three significant tracks:Track 1: AI Platform ProjectsLead the development of next-generation AI tools that improve the efficiency, cost, and usability of ML@Roblox.Build and sustain essential platform components: Serving Layer, Model Registry, Pipeline Orchestrator, and Training/Inference control planes.Craft outstanding developer experiences (templates, tools, visualizations) to reduce time-to-production and ensure foundational AI systems are scalable and reliable.Track 2: Distributed Inference & Systems OptimizationDesign and implement scalable distributed inference systems for efficiently serving large language models (LLMs) and Large Recommender Models at unprecedented scale.Perform in-depth, low-level performance analysis to optimize systems.

Join IXL Learning, a leader in personalized education solutions used by millions worldwide, as we enhance our software engineering team dedicated to our Rosetta Stone and Wyzant products. We strive to maintain exceptional service quality for our diverse user base, including learners, educators, tutors, and administrators. We are on the lookout for passionate engineers specializing in site reliability and operations who excel at simplifying complexities and constructing highly scalable infrastructure.This full-time role is based at our San Mateo, CA headquarters, with a Monday to Friday schedule and the flexibility to work from home one day per week.

Join Roblox as a Machine Learning Engineer Intern specializing in recommendation systems. This internship offers you the opportunity to work on cutting-edge projects that enhance user experience through personalized content. You will collaborate with a talented team to develop algorithms that improve recommendations based on user interactions and preferences.

Every day, millions of users engage with Roblox to explore, create, play, learn, and connect in immersive 3D digital environments crafted by our vibrant global community of developers and creators.At Roblox, we are dedicated to developing tools and a platform that empower our community to bring their imaginative experiences to life. Our vision is to transform social interactions, enabling connections from anywhere in the world and on any device. We aim to unite a billion individuals through positivity and respect, and we are seeking exceptional talent to help achieve this goal.Joining Roblox means you will play a pivotal role in shaping the future of human interaction, tackling unique technical challenges at scale, and contributing to the creation of safer, more respectful shared experiences for all users.The Safety Experience team develops the tools and systems that empower Roblox users and creators to take charge of their interactions, while also equipping moderators to uphold community standards. Our focus areas include education, intervention, visibility, and action.Our priorities include:Monitoring and influencing user behavior (User Safety)Creating efficient and scalable moderation platforms (Foundation)Providing transparency and education for parents and developers (User Safety)Empowering users with tools to manage their own safety (User Safety)Enabling IP owners to maintain control over their creations on Roblox (Rights & Guidelines)Delivering prompt and precise support through our Customer Care Chatbot (Customer Care)Your responsibilities will include:Designing and building comprehensive ML systems for similarity detection, computer vision classification, and other innovative applications.Leading the evolution of our safety experience into a scalable, adaptable system that meets the diverse needs of multiple customer teams.Developing cutting-edge detection methodologies in a fast-changing environment. Employ a data-driven approach to creatively and strategically identify opportunities.Defining the team's roadmap and technical direction, ensuring robust execution, and mentoring junior engineers.Collaborating with AI Systems, Product Management, Data teams, and stakeholders across Roblox.

Every day, millions of individuals engage with Roblox to explore, create, play, learn, and connect with friends through immersive 3D digital experiences, all crafted by our vibrant global community of developers and creators. At Roblox, we are dedicated to creating the tools and platform that empower our community to bring any experience they can envision to life. Our mission is to transform how people connect from anywhere in the world, across any device. We aim to unite a billion individuals with optimism and civility, and we are looking for extraordinary talent to help us achieve this vision. Joining Roblox means you will play a key role in shaping the future of human interaction, tackling unique technical challenges at scale, and contributing to the creation of safer, more respectful shared experiences for all.Why Choose Content Safety?As the Lead Principal Machine Learning Engineer for Content Safety, you will define the future of proactive moderation, driving significant social impact through innovative machine learning solutions that address critical and complex safety challenges.You will develop the 3-5 year technical strategy and architectural framework for how Roblox implements machine learning for content moderation. You will be responsible for the architectural and execution roadmap of large-scale ML systems that prevent harmful user-generated content from affecting our community.Your work will involve a profound sense of responsibility as you proactively safeguard our community in a thoughtful and fair manner, balancing user freedom with platform civility. Your contributions will ensure Roblox remains one of the safest environments on the internet for our expansive community of over 100 million daily active users.Your Responsibilities:Establish and Drive the Technical Vision: Lead the development of the multi-year technical vision, architectural strategy, and implementation for machine learning solutions in Content Safety, ensuring these systems detect and mitigate harmful content at scale effectively.Strategic Collaboration: Partner with executive-level leaders in Product, Data Science, Policy, and Operations to outline and prioritize the strategic machine learning roadmap, influencing product strategy and demonstrating the impact of ML on user trust and safety.

Roblox seeks a Senior Machine Learning Engineer to shape the future of immersive gaming from its San Mateo, CA headquarters. This position centers on developing and fine-tuning machine learning models that enhance user engagement and interaction across the Roblox platform. Role overview This role involves designing and implementing machine learning solutions that directly impact how millions of players experience Roblox. The work supports features and systems that drive user participation and enjoyment on a global scale. Impact Projects in this position reach a vast audience, influencing the daily experiences of players worldwide. The Senior Machine Learning Engineer will play a key part in advancing the platform’s capabilities and supporting continued growth in user engagement.

Every day, tens of millions of users engage with Roblox to explore, create, play, learn, and connect with friends through immersive 3D digital experiences crafted by our global community of developers and creators. At Roblox, we are developing the tools and platform that empower our community to bring any experience they can envision to life. Our mission is to transform the way individuals connect, from anywhere in the world, and on any device. We aspire to unite a billion people with positivity and respect, and we are seeking exceptional talent to help us achieve this goal. A career at Roblox means you will contribute to the future of human interaction, tackle unique technical challenges at scale, and help foster safer, more respectful shared experiences for all.As a Senior Machine Learning Engineer on the Economy ML team, you will develop models that enhance ranking, personalization, pricing, and optimization across Roblox’s economic ecosystems, including the Marketplace, Developer Monetization, and Payments. Your contributions will significantly influence how users find virtual items, how creators earn revenue, and how the platform evolves sustainably.The Economy ML team is constructing the machine learning foundation for Roblox’s virtual economy—from smart pricing and personalized storefronts to dynamic layout optimization and understanding avatar content. We closely collaborate with Marketplace, Payments, and Developer Monetization teams to create ML systems that drive long-term value across engagement, retention, and creator earnings.Your Responsibilities:Translate vague product challenges into actionable designs and deliver end-to-end ML solutions for ranking, recommendation, pricing, and content comprehension across economic platforms.Construct and refine deep learning retrieval and ranking models that personalize item and widget ordering across the Marketplace and other shopping interfaces.Create models and policies that optimize pricing, conversion, and revenue while maintaining ecosystem health, enhancing user experience, and ensuring creator success.Oversee the complete ML lifecycle for your projects: data exploration, feature engineering, model design, training, evaluation, and production deployment on Roblox’s ML platform.Design and execute robust testing frameworks to validate model performance and business impact.

At Roblox, we empower millions of users to explore, create, play, learn, and connect through immersive 3D digital experiences crafted by our vibrant community of developers.Our mission is to redefine human interaction globally, enabling creativity and connection across devices. Join us as we strive to connect a billion people with optimism and civility, and play a vital role in shaping the future of digital interaction.As a Principal Machine Learning Engineer on the Creator Services Machine Intelligence team, you will lead the research and development of innovative Embodied AI and Behavioral Agents, transforming how games are conceptualized and played on Roblox. This role will bridge cutting-edge research with practical, large-scale applications, enabling sophisticated AI agents capable of dynamic 3D gameplay and enhancing user experience through features like automated playtesting and Smart NPCs that mimic human-like movement and strategic reasoning.In this position, you will engage with Imitation Learning (IL), Reinforcement Learning (RL), Computer Vision, Computer Graphics, Robotics, and Agentic Reasoning to develop adaptable agents that comprehend 3D environments, grasp game rules, formulate long-term strategies, and perform intricate physics-based actions.

Join Our Team at MaximaAt Maxima, we are pioneering an innovative AI platform designed to automate enterprise accounting processes. Our solution effectively manages vast amounts of financial data, intricate accounting workflows, and guarantees robust execution that is both precise and dependable.We are addressing some of the most challenging issues in enterprise automation, and we have attracted a stellar engineering team comprised of industry experts from renowned companies like Robinhood, Glean, Google, Netflix, and Meta. Backed by prestigious investors such as Kleiner Perkins and Redpoint Ventures, we are proud to serve leading clients like Scale AI and Rippling.Your RoleAs a Software Engineer specializing in Data Infrastructure, you will be instrumental in developing and scaling systems that efficiently ingest and process large financial datasets. This foundational platform supports all accounting workflows and the agentic system. Your responsibilities will include designing our data lakes, constructing multi-tenant relational databases, and exploring optimal search engine and vector database configurations to enhance various workflows.

Join Roblox as a Senior Machine Learning Engineer specializing in Content Suitability! This unique opportunity is designed for early-career PhD graduates who are eager to apply their expertise in machine learning to enhance user experience and content moderation on our platform. Collaborate with a talented team of engineers and data scientists to develop innovative solutions that ensure a safe and engaging environment for our users.