Software Engineer - Ruby AI

Rubrik Inc. is seeking a Software Engineer with expertise in Ruby and AI to join the team in Palo Alto, CA. The role supports the ongoing development of Rubrik’s cloud data management platform, emphasizing AI-driven enhancements. Key responsibilities Collaborate with fellow engineers to create AI-powered solutions using Ruby Design, implement, test, and deploy software that applies artificial intelligence to solve product challenges Share technical insights and contribute ideas to improve platform efficiency and expand its capabilities Focus areas Advancing AI features within a cloud data management environment Delivering reliable, maintainable Ruby code for production systems

Decile Group (https://decilegroup.com) is on a mission to redefine venture capital as a catalyst for positive change in the world. Our goal is to establish 1,000 innovative venture capital firms by 2025, fundamentally transforming the landscape of venture capital. We operate VC Lab, the premier venture capital accelerator globally, and manage the Decile Hub platform, which lowers the barriers to entry for aspiring investors to create and expand impactful early-stage investment firms. We seek a skilled Ruby on Rails developer with a strong focus on front-end development to join our dynamic team. Learn more about our technology team at VC Lab here: https://github.com/VCLab-Inc/Engineering The ideal candidate is self-driven and possesses real-world experience, confident in their ability to transform ideas into functional and aesthetically pleasing products. While formal degrees and extensive coding experience are not mandatory, being a collaborative team player and an effective communicator is essential. Key Requirements:- Completion of a Rails coding challenge will be required as part of the interview process (all current team members have excelled in this).- Candidates must reside and work within a few time zones of Pacific Time (California). Our team frequently communicates via Zoom and Slack.- You should be capable of taking ownership of projects and engaging directly with end users of your tools.- Proficiency in front-end development is a must. If you're eager to grow, improve, and work alongside highly skilled professionals who will challenge you to deliver your best, all for a meaningful cause in a fast-paced environment with ample growth opportunities, then Decile Group is the right place for you! We look forward to collaborating with you!

Join us at Rhoda AI, where we are pioneering the full-stack foundation for the next generation of humanoid robots. Our mission encompasses everything from high-performance, software-defined hardware to the foundational models and video-based world models that govern them. Our robots are designed to navigate complex, real-world environments and tackle scenarios that have not been encountered during training. We are a collective of top-tier researchers from esteemed institutions like Stanford, Berkeley, and Harvard, focusing on the intersection of large-scale learning, robotics, and systems. With over $400M raised, we are committed to substantial investments in R&D, hardware development, and scaling manufacturing to bring our vision to life.As a Robotics Software Engineer, you will play a crucial role in developing and maintaining the software that drives our robots. Your primary focus will be on integrating sensors and perception systems to facilitate reliable operations in varied customer environments.

About NubankNubank is a leading digital financial platform, serving over 127 million customers across Brazil, Mexico, and Colombia. Our mission is to simplify financial services and empower individuals, heralding a transformative purple future in Latin America.As a publicly traded company on the New York Stock Exchange (NYSE: NU), we leverage proprietary technology and data intelligence to deliver financial products that are accessible and user-friendly.Our innovation has been recognized globally, featuring in esteemed rankings like Time 100 Companies, Fast Company’s Most Innovative Companies, and Forbes World’s Best Bank. Explore more about joining our team on our Careers page!About the RoleAt Nubank, AI is central to our strategy for growth and innovation. We are evolving into an AI-native company where intelligent systems not only enhance our products but fundamentally shape them. As the Lead Software Engineer for AI Agents & Orchestration, you will play a pivotal role in this transition.Your responsibilities will include steering the technical strategy for the integration of Generative AI and Large Language Models (LLMs), impacting the experience of over 130 million customers. This position emphasizes building production-grade workflows and RAG pipelines that operate efficiently across various markets. You will utilize our specialized GenAI Platform, which encompasses inference services, evaluation frameworks, and orchestration layers, to transition from experimental phases to substantial global impact at 'Nu-speed'.Why This Role Stands OutAgency & Transformation: You are not just another team member; you are a key architect of the AI Native Bank.Impact at Scale: Your contributions will empower a diverse population exceeding that of many countries.The AI Multiplier: You will engage in a structured framework that acknowledges and rewards the innovative advancements you drive through AI.ResponsibilitiesLead AI Architecture: Define the technical vision for AI-native applications, ensuring that our LLM integrations are scalable, cost-effective, and dependable.Develop Agentic Workflows: Create and implement sophisticated agentic systems and RAG patterns that offer hyper-personalized financial experiences.Pursue Engineering Excellence: Establish the standard for AI development at Nubank, promoting reusable components.Collaborate Across Teams: Work alongside Product, Design, and other departments to ensure seamless integration of AI technologies.

About Rhoda AI Rhoda AI is building the next generation of humanoid robots. The team combines high-performance, software-defined hardware with advanced foundational models and video world models to power robotics that can handle real-world complexity. Rhoda AI partners with researchers from Stanford, Berkeley, Harvard, and other leading institutions. With over $400M raised, the company is investing heavily in research, hardware development, and manufacturing scale-up. Role Overview The Robot Software Engineer will design and validate simulation environments for Rhoda AI’s humanoid robotics platform. This position focuses on building physics-based models that faithfully represent real hardware and developing the software pipelines that bridge simulation with the physical robots. Work will span motion planning, control systems, and sim-to-real transfer for AI policy training. The role is part of a small, agile team working on core technology for Generation 0 and Generation 1 robots.

About PathwayPathway is revolutionizing artificial intelligence with the introduction of the world’s first post-transformer model that mimics human thought processes. Our innovative architecture surpasses traditional Transformer models, providing enterprises with unparalleled transparency into model operations. By integrating this foundational model with the fastest data processing engine available, Pathway empowers organizations to transcend mere incremental optimization and achieve genuinely contextualized, experience-driven intelligence. Trusted by prestigious clients including NATO, La Poste, and Formula 1 racing teams, we are at the forefront of AI advancements.Led by visionary CEO Zuzanna Stamirowska, a complexity scientist, our team includes AI trailblazers such as CTO Jan Chorowski, who pioneered the application of Attention in speech and collaborated with Nobel laureate Geoff Hinton at Google Brain, and CSO Adrian Kosowski, a distinguished computer scientist and quantum physicist who earned his PhD at just 20 years old.Supported by prominent investors and advisors like Lukasz Kaiser, co-author of the Transformer architecture (the “T” in ChatGPT) and a key researcher in OpenAI's reasoning models, Pathway is headquartered in Palo Alto, California.The OpportunityWe are on the lookout for passionate Machine Learning/AI Software Engineering interns with a solid foundation in machine learning model research.Your ResponsibilitiesAssist in training Large Language Models (LLMs)Conduct benchmarking of LLMsPrepare and evaluate training datasetsCollaborate with the core Pathway Research TeamYour contributions will significantly impact the advancement of the AI landscape.

Join our dynamic team at xAI, where we are committed to developing cutting-edge AI systems that understand the universe and support humanity's quest for knowledge. As an Outstanding Software Engineer, you will tackle critical product challenges and engage in hands-on projects that drive our mission forward. We value curiosity, initiative, and a strong work ethic in a collaborative, meritocratic environment. Your ability to communicate effectively and share knowledge with your peers will be instrumental in our success.

About Glean:Founded in 2019, Glean is a pioneering AI-driven knowledge management platform that empowers organizations to efficiently locate, organize, and disseminate information throughout their teams. By seamlessly integrating with tools such as Google Drive, Slack, and Microsoft Teams, Glean enables employees to access the right knowledge at the right moment, enhancing productivity and collaboration. Our state-of-the-art AI technology streamlines knowledge discovery, allowing teams to leverage their collective intelligence faster and more effectively.Glean was established by Founder & CEO Arvind Jain, who recognized the challenges employees encounter in sourcing and comprehending information at work. Witnessing the fragmentation of knowledge and the challenges posed by numerous SaaS tools, he aimed to create a better solution—an AI-enabled enterprise search platform that facilitates swift and intuitive access to essential information. Since its inception, Glean has evolved into the leading Work AI platform, merging enterprise-grade search capabilities with an AI assistant and advanced application- and agent-building functionalities, fundamentally transforming how employees operate.About the Role:Glean is on the lookout for a skilled Infrastructure Engineer to design and advance the platform that maintains a highly available, efficient, secure, and cost-effective infrastructure across multiple cloud environments. You will be responsible for delivering intricate components featuring refined automation, robust uptime assurances, autoscaling, and dependable alerting/monitoring for infrastructure that operates across various cloud providers. As a member of the Platform team, you will oversee critical aspects of Glean’s infrastructure, collaborating closely with other teams to support their workloads.

About Glean:Established in 2019, Glean is a pioneering AI-driven knowledge management platform that empowers organizations to swiftly locate, organize, and disseminate information across their teams. By seamlessly integrating with tools such as Google Drive, Slack, and Microsoft Teams, Glean guarantees that employees access pertinent knowledge at optimal times, thereby enhancing productivity and collaboration. Our state-of-the-art AI technology streamlines knowledge discovery, facilitating quicker and more efficient utilization of collective intelligence among teams.Glean's origin stems from Founder & CEO Arvind Jain's profound understanding of the obstacles employees encounter while searching for and comprehending information at work. Witnessing firsthand how fragmented knowledge and a plethora of SaaS tools hinder productivity, he endeavored to create an innovative solution - an AI-powered enterprise search platform that enables individuals to swiftly and intuitively access the information they require. Since then, Glean has evolved into the foremost Work AI platform, amalgamating enterprise-grade search, an AI assistant, and robust application and agent-building capabilities to fundamentally transform employee workflows.Position Overview:Glean is on the lookout for passionate engineers ready to tackle cutting-edge challenges in data and AI security and governance. In a rapidly expanding startup environment, this role requires understanding customer needs, delving into domain-related problems and research, and devising innovative solutions. Engineers will collaborate closely with product managers and designers to navigate engineering constraints while meeting requirements, ultimately delivering intuitive experiences that enterprises can trust to keep their users secure.

Location: Palo Alto, CA About Woven by Toyota Woven by Toyota is leading Toyota’s transformation into a mobility company. The organization focuses on human-centered innovation to improve how people move and live. Key initiatives span four areas: AD/ADAS: Autonomous driving and advanced driver assistance technologies Arene: Software development framework for software-defined vehicles Woven City: A living laboratory for mobility innovation Cloud & AI: Digital infrastructure supporting collaboration and data-driven work Woven by Toyota’s vision is to create a safer world with fewer accidents and a higher quality of life for all. About the Release & Triage Team The Release & Triage team turns real-world signals and incidents into actionable insights for engineering. The sub-team focused on Release & Triage Tooling builds AI- and data-driven tools to support release qualification, simulation-based testing, and failure analysis. Close collaboration with Release, Triage, and core development teams keeps the mainline stable and continuously improving. Role Overview: Software Engineer, AI-Driven Release & Triage Tooling This mid- to senior-level Software Engineer will design and build internal tools using AI/ML and large language model (LLM) techniques. These tools analyze complex signals from logs, metrics, test results, images, and videos. The goal: help QA and development engineers quickly understand failures, identify regressions, and make sound release decisions. The role involves managing services and workflows that support release qualification and triage at scale. Work will integrate with CI/CD systems, simulation platforms, and internal data pipelines. This engineer will also help define best practices for responsible AI-driven analysis within the team.

About xAIAt xAI, we are driven by our mission to develop AI systems that can profoundly comprehend the universe and support humanity in its quest for knowledge. Our team is composed of passionate and highly-driven individuals committed to engineering excellence. We value those who challenge themselves and thrive in a culture of curiosity. Operating with a flat organizational structure, we empower our employees to be proactive contributors to our mission. Initiative and a track record of delivering exceptional results are highly regarded. Strong work ethic and effective prioritization skills are essential, as well as excellent communication abilities to share insights succinctly with teammates.About the RoleWe are on the lookout for outstanding media engineers who are eager to embark on an innovative project that integrates xAI’s cutting-edge AI infrastructure into a platform that engages approximately 600 million users every month. This role presents a unique opportunity to leverage xAI’s technology stack to revolutionize the video product experience, encompassing aspects like video playback, live streaming, Spaces, and audio/video calls. Join us to make a significant impact while utilizing powerful AI tools and collaborating with talented colleagues at xAI.

At Rhoda AI, we are pioneering a comprehensive platform for the next generation of humanoid robots. Our cutting-edge technology encompasses high-performance, software-defined hardware alongside sophisticated foundational models and video world models. Our robots are crafted to be versatile and capable of navigating complex, real-world scenarios that may not be covered in traditional training. We are at the forefront of large-scale learning, robotics, and systems integration, boasting a research team that includes esteemed professionals from Stanford, Berkeley, Harvard, and other prestigious institutions. With over $400 million raised, we are committed to significantly investing in research and development, hardware innovation, and scaling up our manufacturing processes to realize our vision.We are seeking a talented mid-to-senior Application Engineer who will be instrumental in translating real-world customer use cases into effective intelligent robot deployments. You will engage in the design, prototyping, and enhancement of grippers, end-of-arm tooling, workstations, and integration hardware. Additionally, you will develop efficient strategies for robot learning and data collection, operating at the confluence of robotics, artificial intelligence, hardware, and deployment operations.

Join Mashgin as an Infrastructure Software Engineer and be a part of our innovative team dedicated to enhancing the efficiency of our cutting-edge technology. You will play a critical role in designing, developing, and maintaining robust infrastructure systems that power our products and services. Your expertise will help us streamline operations, improve performance, and ensure reliability across our platforms.

About xAIAt xAI, we're on a mission to develop AI systems that not only understand the universe but also empower humanity in its quest for knowledge. Our team is compact, driven, and dedicated to engineering excellence. We welcome individuals who thrive on intellectual challenges and have a passion for curiosity. Operating within a flat organizational structure, we encourage all team members to be hands-on in contributing to our mission. Leadership opportunities are available for those who demonstrate initiative and consistently deliver outstanding results. Strong work ethic and prioritization skills are paramount. Effective communication is a must, as team members should be adept at sharing insights and knowledge with their peers. About the TeamThe Observability team is responsible for constructing and managing the essential infrastructure that allows engineers to monitor, troubleshoot, and enhance the performance and reliability of their systems. We process telemetry at an enormous scale, managing billions of time series and petabytes of logs, all while adhering to rigorous performance and availability standards.About the RoleAs part of a dynamic and impactful team, you will play a vital role in developing and maintaining xAI’s observability platform. You will take ownership of critical systems that facilitate metrics, logs, tracing, and alerting, enabling engineering teams to operate services at scale, preemptively identify issues before they affect users, and drive systemic improvements in reliability.What You’ll DoDesign and implement scalable observability infrastructure for metrics, logging, and tracing.Build high-performance telemetry pipelines capable of managing extensive ingestion volumes.Develop APIs, query engines, and user interfaces that deliver real-time insights into services.Establish and reinforce best practices for instrumentation, alerting, and reliability throughout the organization.Collaborate with infrastructure and product teams to seamlessly integrate observability into our internal platforms.Maintain end-to-end ownership of the reliability, scalability, and performance of the observability stack.

At Rhoda AI, we are pioneering the development of the full-stack architecture for the future of humanoid robotics. Our innovative work spans from high-performance, software-defined hardware to foundational models and visual models that govern it. Our robots are designed as generalists, capable of navigating complex, real-world environments and addressing scenarios that were not included in their training. We collaborate at the intersection of large-scale learning, robotics, and systems, with an exceptional research team featuring experts from Stanford, Berkeley, Harvard, and other prestigious institutions. We are not merely creating a feature; we are establishing a groundbreaking computing platform for physical tasks. With over $400M raised, we are heavily investing in R&D, hardware development, and scaling up manufacturing to turn our vision into reality.We are seeking a talented Full Stack Software Engineer to contribute to the development of our crucial automation platform. This tool is vital for how we gather data, validate task performance, manage model versions, and quickly iterate on model training and deployment.

Rubrik, Inc. is hiring a Staff Software Developer focused on Enterprise AI at its Palo Alto, CA office. This position centers on designing and building advanced AI solutions for business operations and customer-facing products. Role overview This role involves developing AI-driven tools and systems that improve efficiency and support customer needs. The work directly influences the direction and impact of Rubrik’s AI initiatives. Key responsibilities Lead the creation and implementation of enterprise-scale AI solutions Collaborate with teams to identify opportunities for AI-driven improvements Contribute technical expertise to shape Rubrik’s future AI capabilities Location This role is based in Palo Alto, CA.

Gauss Labs is seeking a dynamic and skilled Senior AI Engineer to pioneer transformative Industrial AI solutions, setting new standards for artificial intelligence in the manufacturing sector. Our collaborations with leading manufacturing clients provide unparalleled access to extensive real-time data derived from their operations. Leveraging advanced AI technologies, we are dedicated to creating innovative AI and machine learning solutions that elevate manufacturing to unprecedented heights.In this pivotal role, you will be instrumental in translating groundbreaking AI and machine learning research into resilient, scalable software applications. Your contributions will facilitate the smooth deployment of models in production environments, thereby enhancing the overall success of AI initiatives within the organization. You will collaborate closely with experienced Applied Scientists, Software Engineers, and Program Managers based in both Palo Alto, California, and Seoul, South Korea.

About Glean:Established in 2019, Glean is a groundbreaking AI-enhanced knowledge management platform that empowers organizations to swiftly locate, organize, and disseminate information across teams. By seamlessly integrating with popular tools such as Google Drive, Slack, and Microsoft Teams, Glean ensures that employees have immediate access to the right knowledge at the right time, thereby enhancing productivity and collaboration. The company's advanced AI technology streamlines knowledge discovery, making it quicker and more efficient for teams to harness their collective intelligence.Glean was inspired by Founder & CEO Arvind Jain’s deep comprehension of the hurdles employees encounter when trying to find and comprehend information at work. Witnessing the fragmentation of knowledge and the overwhelming array of SaaS tools that hindered productivity, he was motivated to create a better solution - an AI-driven enterprise search platform that facilitates quick and intuitive access to essential information. Since its inception, Glean has transformed into a leading Work AI platform, merging enterprise-grade search capabilities, an AI assistant, and robust application and agent-building features to fundamentally redefine employee workflows. About the Role:Glean is developing a horizontal AI platform that revolutionizes how employees leverage AI at work – not only within Glean but across diverse tools such as Copilot, Gemini, ChatGPT, IDEs, and more. We are in search of innovative engineers to construct this context platform and provide rich, reliable experiences across all these applications.This team is responsible for the complete platform experience: establishing standards and tools for REST APIs, SDKs, client libraries, agent SDKs, integrations, MCP servers, custom contexts like code and memory, as well as the infrastructure and documentation to facilitate building on Glean. In a fast-paced startup environment, this role will involve collaborating across multiple layers of the stack – from backend services to developer tools, SDKs, and documentation.You will:

About UsAt Hippocratic AI, we are pioneers in the realm of generative AI for healthcare. Our innovative system enables safe and autonomous clinical dialogues with patients, achieving over 99.9% accuracy through our proprietary large language models (LLMs) within the Polaris constellation.Why Join Our TeamTransform healthcare with safety in mind. We are developing the world’s first healthcare-specific, safety-centric LLM, a revolutionary platform aimed at enhancing patient outcomes globally. This represents a new category in healthcare technology.Collaborate with industry leaders. Co-founded by CEO Munjal Shah alongside a team of esteemed physicians, hospital executives, AI innovators, and researchers from top institutions such as El Camino Health, Johns Hopkins, Stanford, Google, and NVIDIA.Supported by premier investors. Recently, we secured $126M in Series C funding at a $3.5B valuation, led by Avenir Growth, contributing to a total funding of $404M from notable investors including CapitalG, General Catalyst, and a16z.Work with the best minds in healthcare and AI. Join a team dedicated to improving healthcare, advancing science, and creating transformative technologies that ensure our platform is powerful and trusted.About the RoleAs an AI Engineer at Hippocratic AI, you will be instrumental in advancing voice-based generative AI in healthcare. Your responsibilities will include designing and developing intelligent systems that power our clinically safe healthcare agents, integrating large language models with real-time voice technology and human-centered design.This is a hands-on, cross-functional position, requiring close collaboration with AI researchers, product managers, and clinical experts to deploy advanced language and speech models. Your contributions will significantly shape how patients and providers interact safely with generative AI.

About VoltaiVoltai is at the forefront of technology, developing innovative world models and intelligent agents that learn, evaluate, plan, and interact with the physical world. Our journey begins with creating advanced hardware, focusing on electronic systems and semiconductors, where artificial intelligence transcends human cognitive limitations.About Our TeamOur team, supported by leading Silicon Valley investors and Stanford University, includes former Stanford professors, SAIL researchers, Olympiad medalists, and industry leaders from renowned companies such as Google, AMD, Broadcom, and Marvell. We are proud to have former high-ranking officials, including a US Secretary of Defense and Senior Advisors to multiple US presidents, among us.