Staff Software Engineer, AI Platform

About the RoleJoin Character as a Staff Software Engineer on our AI Platform, where you will engage in a dynamic array of projects at the intersection of software engineering and AI data. Your role will initially focus on three pivotal areas:Assist our research team by creating the essential tools and datasets to train cutting-edge models.Activate our "data flywheel" by developing data pipelines and collaborating closely with ML researchers to ensure our AI models are continually refined and aligned with human feedback.Enhance our data infrastructure, utilizing technologies such as Spark, Beam, and GCP.

Join us in creating a safer world, one incident at a time.Ambient.ai is an innovative, AI-driven physical security platform dedicated to enabling leading enterprises to mitigate risk, enhance operational efficiency, and extract crucial insights. Our technology is trusted by seven of the top 10 U.S. tech giants, alongside numerous Fortune 500 companies, all relying on Ambient.ai to modernize their physical security frameworks.Our platform harnesses cutting-edge AI and computer vision technologies to integrate seamlessly with existing camera and sensor systems, facilitating real-time monitoring and proactive threat identification. By reducing false alarms by over 95%, Ambient.ai empowers security teams to concentrate on genuine threats and prevent incidents before they arise.Founded in 2017 and backed by prominent investors such as Andreessen Horowitz, Y Combinator, and Allegion Ventures, Ambient.ai is a Series B company with a vision to make every security incident preventable.Are you eager to explore more? Connect with us on LinkedIn and YouTubeAbout the Role:Reporting to Raghu Nallamothu, the Staff Data Platform Engineer position is a remarkable opportunity to shape the strategic direction of the data platform team. As a foundational member, you will spearhead the design, development, and scaling of advanced data storage and caching systems to petabyte-level capacity, establishing benchmarks for reliability, availability, and performance critical to our operations. You will also play a crucial role in pioneering retrieval-augmented generation systems, setting a new standard for innovative data-driven capabilities at Ambient.ai.Your Responsibilities:Lead the architecture and scaling of our data storage and caching systems to handle petabyte-scale data while spearheading advanced retrieval-augmented generation systems.Create highly efficient caching systems that eliminate latency and ensure rapid data access.Address data infrastructure challenges proactively, swiftly resolving issues to minimize downtime.Drive innovative efforts in retrieval-augmented generation systems, pushing the boundaries of data capabilities.

Join Poshmark Inc. as a Staff Software Engineer specializing in our Cloud Platform team. In this role, you will leverage your expertise to design, develop, and optimize scalable cloud solutions that empower our users. You'll collaborate with cross-functional teams to create innovative products that enhance the user experience. If you're passionate about technology and looking to make a significant impact in a dynamic environment, we want to hear from you!

Join Zūm, a dynamic and rapidly growing Series E startup, as we revolutionize the school transportation sector. Backed by prominent investors such as Sequoia Capital, SoftBank, Spark Capital, and GIC, we are on a mission to enhance school district transportation systems across the United States, with a focus on innovation and sustainability. Our operations span over 15 states, including flagship hubs in San Francisco, Los Angeles, and Seattle, as we expand our presence to the East Coast and Midwest. Our technology-driven approach utilizes state-of-the-art solutions to manage school transportation, launch charter platforms, and develop proprietary SaaS products. We are also dedicated to electrifying school transportation fleets, supporting local utilities by reintegrating vital energy into the grid. Recognized as a CNBC 50 disruptor and one of the Financial Times' 500 fastest growing companies, we are poised for significant growth.This position is hybrid, based out of our Redwood City headquarters. Candidates must be available on-site at least three days a week (Monday to Thursday) and must reside in the Bay Area.Who You Are:We are seeking a proactive and skilled Staff Engineer, Backend Platform to enhance our Backend Engineering team. In this role, you will play a pivotal part in developing Zūm’s technology platform, striving for simplicity in solving complex challenges. Our ideal candidate thrives on full ownership of product development, making a notable impact on our business.What You'll Do:Contribute significantly to the design architecture of our Backend platform, collaborating with a team of 2-4 backend developers to deliver robust product features. You will introduce scalable tools and processes to enhance our development speed, partner with Product and Design teams to plan and implement new features, and improve our existing platform while integrating new functionalities. This role demands hands-on coding and encompasses the full development lifecycle—from ideation to deployment—allowing you to witness the immediate impact of your contributions.What You Bring To Zūm:• A Bachelor's degree or higher in Computer Science (or equivalent) and 8+ years of relevant industry experience as a Software Engineer or Staff Engineer.• Demonstrated expertise in building backend systems for enterprise applications, showcasing your ability to deliver effective solutions.

Join Box, Inc. as a Software Engineer III where you will play a pivotal role in developing our powerful Query Platform. This is an exciting opportunity to work on cutting-edge technology that supports our mission to make the world’s information accessible and useful.

Join Zilliz, a pioneering startup at the forefront of developing cutting-edge vector database technologies designed for enterprise-grade AI solutions. Founded by the talented engineers behind Milvus, the world’s leading open-source vector database, we are on a mission to revolutionize how organizations create AI applications swiftly and effectively. At Zilliz, we strive to democratize AI by simplifying data management and ensuring that vector databases are accessible to every organization.

Role Overview Poshmark is hiring a Software Engineer II for the Cloud Platform team in Redwood City, California. This office-based role focuses on building and improving cloud-based services that support Poshmark’s growing community. What You Will Do Work closely with other engineers to design and implement scalable cloud services Enhance and optimize existing cloud solutions Contribute to projects that directly support users and business goals Who We’re Looking For Interest in cloud technologies and scalable systems Collaborative approach to problem-solving Motivation to make a real impact through engineering work Location Based in Redwood City, California (office location).

About PoshmarkPoshmark stands as a premier fashion resale marketplace, driven by an enthusiastic community of buyers and sellers engaged in real-time social experiences. Our platform transforms the online selling experience into something fun, social, and accessible, allowing sellers to turn their closets into promising businesses while sharing their unique styles with the world. Since our inception in 2011, we have cultivated a community of over 130 million users and facilitated over $10 billion in gross merchandise value (GMV), empowering sellers to achieve substantial earnings while offering buyers exclusive deals and unique items, all while promoting a more sustainable fashion future. To learn more, visit www.poshmark.com and for company updates, check out newsroom.poshmark.com.At Poshmark, we are dedicated to creating a social marketplace that caters to new and secondhand styles for everyone - women, men, kids, home, and beyond. Our approach combines the personal touch of traditional shopping with the expansive reach, convenience, and variety of e-commerce, making buying and selling not just easy but enjoyable.We are on the lookout for a highly skilled and innovative Staff Software Engineer, Android. If you are passionate about crafting mobile applications that feature intuitive user interfaces and robust code, this role is tailored for you! You will play a pivotal role in shaping and developing exceptional experiences for millions of users, creating scalable and well-architected software that enhances lives on a global scale. Join our exceptional team and contribute to the future of Poshmark.

At Carbon, our vision transcends traditional 3D printing. We empower creators around the globe to realize the products the world urgently needs. Our ethos is grounded in the belief that interdisciplinary collaboration is key to tackling complex challenges. Join us as we aspire to develop transformative technologies that will shape industries globally. Here, you'll become part of a diverse team that values collective achievements as much as individual contributions. By joining us, you'll not only impact the world but also enhance your own journey.At the convergence of hardware, software, and molecular science, Carbon is dedicated to fulfilling the promise of 3D printing. We enable our commercial partners to move beyond mere prototyping to produce tangible, real-world products. Our advanced technology is empowering clients to innovate and manufacture parts with unparalleled reliability, speed, and quality.This position is located in our Bay Area office, requiring full-time on-site presence (Monday to Friday).About the TeamJoin a close-knit team of specialists in 3D geometry, web technologies, Linux, and more. We enjoy engaging team-building activities, including escape rooms (both real and virtual), gaming sessions, and culinary events. Additionally, we have various employee-led communities at Carbon, such as baking, fitness bootcamps, yoga, gaming, book clubs, diversity initiatives, and more, with opportunities for you to participate or even start your own!

About PoshmarkPoshmark is a premier fashion resale marketplace that thrives on a dynamic and engaged community of buyers and sellers, complemented by real-time social interactions. Our platform is designed to make online selling enjoyable, social, and easier than ever, empowering sellers to transform their closets into successful businesses while showcasing their unique styles to the world. Since our inception in 2011, we have cultivated a community of over 130 million users and facilitated more than $10 billion in Gross Merchandise Volume (GMV), enabling sellers to earn billions, delighting buyers with exclusive deals, and promoting a more sustainable fashion future. For further details, visit www.poshmark.com or check out our company updates at newsroom.poshmark.com. About the RoleWe are seeking a Senior Software Engineer to enhance our growing Cloud Platform and marketplace. In this pivotal role, you will be instrumental in building and maintaining a high-traffic, rapidly evolving platform while receiving mentorship from seasoned engineers. You will work at scale, leveraging cutting-edge cloud technologies to support Poshmark's expansion. ResponsibilitiesDevelop applications and services utilizing distributed cloud architecture, incorporating NoSQL data solutions, queueing technologies, and search infrastructure.Design and implement innovative product features for the marketplace, employing a data-driven and iterative methodology.Enhance, tune, and analyze core components of the Poshmark product and cloud platform that facilitate millions of e-commerce transactions.Collaborate closely with product and customer support teams to drive meaningful impacts on our expanding business. QualificationsBachelor's or Master's degree in Computer Science or a related technical field (or equivalent experience). Strong foundation in computer science principles, data structures, algorithms, and software design.Minimum of 4 years of relevant software engineering experience through professional projects or internships.Familiarity with Amazon AWS or other cloud computing platforms is preferred.Proficiency in any combination of: Ruby, JRuby, Java, HTML5, JavaScript, CSS, MongoDB, ElasticSearch, RabbitMQ, Linux.A strong user-centric focus and commitment to quality in your work.

Hammerhead AI develops software that advances AI infrastructure by optimizing how data centers use power. The company’s platform manages power, cooling, and compute resources in real time, using reinforcement learning to help operators run more AI workloads without exceeding electrical or thermal limits. So far, Hammerhead AI has optimized over 8 gigawatts of critical power worldwide, reducing the environmental impact of large-scale computing. This team brings together expertise in AI, energy, and computing. Employees collaborate with specialists in reinforcement learning, IoT, and infrastructure, working toward more efficient and sustainable AI operations. The company values innovation in data center design and offers competitive compensation, equity, and benefits. Many team members have experience building and scaling successful startups. Role overview The Product Manager for the AI Infrastructure Platform leads the vision, roadmap, and execution for Hammerhead’s orchestration platform. This role defines product offerings, clarifies their purpose, and plans delivery for customers. The work involves translating technical details about data center power, cooling, and compute systems into actionable requirements for engineering and deployment teams. What you will do Own and communicate the product vision and roadmap for the AI Infrastructure Platform Define product features and clarify their value to customers Translate technical knowledge of power, cooling, and compute systems into clear requirements Work closely with reinforcement learning engineers, software teams, deployment, customer success, and go-to-market groups Ensure the platform delivers measurable value at every customer site What sets this role apart Work at the intersection of AI, energy, and computing Collaborate with experts in reinforcement learning and infrastructure Contribute to a more sustainable foundation for AI computing Join a team driving innovation in data center operations

Nimble is a pioneering healthtech company dedicated to streamlining access, comprehension, and management of healthcare services. Our journey begins with the goal of establishing the world's most beloved pharmacy business. As a rapidly growing, technology-driven startup, we are committed to enhancing the experiences of both patients and pharmacists. At Nimble, we cultivate a culture of collaboration, transparency, and proactive engagement, enabling us to tackle exciting challenges and achieve remarkable growth.Your name may not start with A(ndrej) or B(oris); but hey, we are not hiring for A/B testing. In the role of AI-Driven Engineer, you will be at the forefront of leveraging AI to revolutionize every aspect of our startup. Your responsibilities will include experimenting with, assessing, and implementing AI-enhanced tools and workflows that empower teams across product development, engineering, data analytics, design, sales, operations, customer success, and product marketing. The AI landscape is continuously evolving — you will be our trailblazer: swiftly prototyping innovative solutions and deploying integrations that provide our teams with a competitive edge. The ideal candidate will possess a solid foundation in software engineering, a profound curiosity about the AI ecosystem, and a passion for equipping every team with the best tools available. Our engineering culture is built on mutual trust and a lack of egos. We thrive on collaboration and face the challenges of a rapidly scaling business together. Our company values include empathy, simplicity, autonomy, leadership, ownership, insatiable curiosity, a bias for action, and mentorship, all within a highly cooperative environment.

Join Zilliz, a pioneering startup at the forefront of developing cutting-edge vector database solutions designed for enterprise-grade AI applications. Founded by the visionary engineers behind Milvus, the leading open-source vector database, we are on a mission to revolutionize data management for AI applications, making vector databases accessible to every organization. At Zilliz, you will play a crucial role in shaping the future of AI.

About the RoleAt Character, we are on a mission to scale personalized AI to billions of users, and monetization is the backbone of our sustainable vision. Our dedicated monetization team is innovating the way users engage with virtual currency, subscriptions, and premium features, ensuring these interactions are intuitive, rewarding, and enjoyable. We’re seeking a passionate Product Engineer who excels at the intersection of product design, commerce, and user experience—someone eager to create and implement systems that not only drive revenue but also enhance overall user satisfaction.If you possess experience with subscriptions, advertising, virtual economies, or in-app purchase systems, and are dedicated to crafting high-quality user experiences, we would love to collaborate with you.What You’ll DoDevelop and enhance user-facing features across mobile and web platforms that facilitate payments, subscriptions, and in-app purchase processes.Design and experiment with monetization interfaces, ranging from virtual currency systems to premium upsells and advertising strategies.Collaborate closely with design and product teams to create delightful, efficient, and trustworthy purchasing experiences.Work with data science teams to define success metrics for monetization, conduct experiments, and analyze results.Partner with backend developers to create scalable and reliable systems for payments, entitlements, and transactions.Uphold a high standard for UI/UX quality, performance, and privacy in sensitive user interactions.Contribute to shaping the company’s monetization experimentation framework, including methodologies for A/B testing and rapid iteration.Who You AreExperienced in consumer product development with a focus on monetization, in-app purchases, or subscription models.Strong proficiency in Typescript, React, React Native, Tailwind, HTML, and modern front-end development practices.Comfortable working on backend services, preferably using Python or Golang, particularly for payment or commerce systems.Proven track record of delivering user-facing features that have driven measurable monetization or engagement improvements.Ability to excel in fast-paced environments, balancing the need for speed with quality and reliability.Excellent communication and collaboration skills across engineering, product management, design, and data analytics teams.Nice to HaveFamiliarity with A/B testing frameworks and data-driven decision making.

About Hammerhead AIAt Hammerhead AI, we are pioneering innovative solutions to unleash the potential of artificial intelligence through smart orchestration, tackling one of the most critical challenges in AI accessibility: power management. Our state-of-the-art platform enhances data center power infrastructure to optimize AI token generation while adhering to current electrical limits, all without necessitating new power plants or grid expansions. With over 8 gigawatts of mission-critical power optimized globally, we are poised to capitalize on a staggering $64 billion annual market opportunity while significantly lowering the environmental impact of AI infrastructure.As part of our dynamic team, you will: Engage at the forefront of AI, energy, and computing, developing the next generation of AI infrastructure. Collaborate with specialists in modern reinforcement learning, IoT, and advanced infrastructure technologies. Play a key role in creating a more efficient and sustainable future for AI computing. Join an innovative company at the leading edge of data center design and operations. Enjoy competitive compensation, equity options, and comprehensive benefits in a rapidly growing, mission-oriented environment. Gain insights from a seasoned team that has successfully built and sold startups.

Join Hammerhead AIAt Hammerhead AI, we are revolutionizing the AI landscape by providing intelligent orchestration solutions that tackle one of the most significant challenges in the field: power accessibility. Our innovative platform enhances data center power infrastructure to maximize AI workload capacity without necessitating the construction of new power facilities or grid expansions.Utilizing reinforcement learning, our platform orchestrates power, cooling, and computing resources in real-time, allowing data centers to efficiently manage a greater volume of AI workloads within their current electrical and thermal parameters. With a track record of optimizing over 8 gigawatts of critical power globally at AutoGrid, we are seizing a $64 billion annual market opportunity while significantly minimizing the environmental impact of AI operations.At Hammerhead, you will: Engage at the nexus of AI, energy, and computing to shape the future of AI infrastructure. Collaborate with specialists in modern reinforcement learning, AI, IoT, and infrastructure technologies. Play a vital role in creating a sustainable future for AI computing. Join a forward-thinking company pioneering modern data center operations. Enjoy competitive compensation, equity, and benefits in a rapidly growing, purpose-driven environment. Learn from a seasoned team with a history of building and successfully exiting startups.Your RoleWe are on the lookout for a Site Reliability Engineer to spearhead the reliability, scalability, and operational excellence of our AI-powered power orchestration platform. Our software operates in production data centers globally, where real-time decisions profoundly impact gigawatts of computing infrastructure. Metrics such as availability, latency, and accuracy are vital.You will be working at the intersection of software and infrastructure, developing systems that deploy, monitor, and safeguard Hammerhead's platform in production. Collaborating with engineering teams, you will help establish service level objectives (SLOs), automate operational tasks, streamline releases, and ensure we can quickly diagnose and rectify any issues that arise.As a foundational SRE, you will be the first dedicated hire in this area, setting the benchmark for Hammerhead's software operations in production.You will report directly to the Head of Engineering.Key ResponsibilitiesTake ownership of production reliability for Hammerhead's platform: define and enforce SLOs, SLAs, and error budgets across services, and lead resolution efforts when targets are missed.

About Terra AIAt Terra AI, we are pioneering a cutting-edge AI platform dedicated to the exploration and development of clean energy and mineral resources. Utilizing state-of-the-art techniques in generative AI, foundational modeling, and autonomous decision-making, we aim to solve some of the most pressing challenges in geosciences. Our innovative systems enhance the identification of vital resource deposits, expedite their measurement and characterization, and contribute to the design of more efficient and sustainable production strategies.Supported by Khosla Ventures and other distinguished investors, we are excited to expand our team from approximately 15 to 30 by year's end, further advancing our technology and ensuring robust deployment alongside our esteemed mineral and clean energy partners.About the RoleThis full-time, hybrid Chief of Staff position at Terra AI in Redwood City, CA, involves close collaboration with the CEO to facilitate execution, propel cross-functional initiatives, and ensure that strategic priorities are effectively transformed into operational results.ResponsibilitiesStrategic Planning and Execution (20%)Collaborate with the CEO to define, monitor, and achieve company-wide objectives.Convert strategic directives into actionable execution plans and clear business processes across departments.Assist in company planning activities, operational rhythms, and leadership decision-making.Act as the liaison connecting company leadership, personnel, advisors, and partners.Cross-Functional Initiatives (60%)Lead and manage critical cross-departmental initiatives from conception through to execution.Assist in early Series B fundraising efforts, including establishing and overseeing processes, identifying potential investors, managing the investor pipeline, and preparing the data room.Support go-to-market strategies, including process definition, client and partner identification, commercial negotiations, and contract development.Conduct comprehensive research and analysis on markets, competitors, customers, and strategic growth opportunities.Champion external initiatives focused on stakeholder engagement and relationship building.

Join us in creating a safer world, one incident at a time.At Ambient.ai, we are pioneering a cutting-edge, AI-powered physical security platform that empowers leading enterprises to mitigate risks, enhance operational efficiency, and derive invaluable insights. Our technology is trusted by seven of the top ten U.S. tech giants and numerous Fortune 500 companies to modernize their security frameworks.Our innovative platform leverages advanced artificial intelligence and computer vision to integrate seamlessly with existing camera and sensor systems, providing real-time monitoring and proactive threat detection. By drastically reducing false alarms by over 95%, Ambient.ai enables security teams to concentrate on genuine threats, effectively preventing incidents before they happen.Founded in 2017 with the support of industry leaders like Andreessen Horowitz, Y Combinator, and Allegion Ventures, Ambient.ai is a Series B company on a mission to ensure that every security incident is preventable.Interested in learning more? Connect with us on LinkedIn and YouTubeAbout the Role:We are on the lookout for a skilled Full Stack Engineer to contribute to the development and scaling of the essential systems that drive Ambient.ai’s real-time AI security platform. In this dynamic role, you will engage with software that processes and interprets large volumes of video and event data instantly, turning raw signals into actionable intelligence for some of the world's largest enterprises.You will regularly tackle technically challenging problems in a fast-paced, collaborative atmosphere and witness your contributions deployed in mission-critical environments.Your Responsibilities:Design and implement REST and GraphQL endpointsDevelop highly available, latency-sensitive, fault-tolerant microservicesCreate core infrastructure for handling significant volumes of video streaming dataEnhance the performance, reliability, and scalability of all backend servicesTake ownership of small to medium platform features, overseeing them from conception to deploymentCollaborate as a vital member of the platform team, responsible for one or more services/product featuresExpect to be challenged and continuously develop your skills.

Join us in creating a safer world, one incident at a time.At Ambient.ai, we are pioneering a cutting-edge, AI-driven physical security platform designed to empower leading enterprises to mitigate risks, enhance operational efficiency, and extract invaluable insights. Industry giants, including seven of the top ten U.S. technology firms and numerous Fortune 500 companies, depend on our innovative solution to transform their physical security infrastructure.Our platform harnesses the power of advanced AI and computer vision to integrate seamlessly with existing camera and sensor systems, facilitating real-time monitoring and proactive threat detection. By reducing false alarms by over 95%, we allow security teams to concentrate on genuine threats and avert incidents before they happen.Founded in 2017 and supported by prominent investors such as Andreessen Horowitz, Y Combinator, and Allegion Ventures, Ambient.ai is a Series B company dedicated to making every security incident avoidable.Interested in learning more? Connect with us on LinkedIn and YouTubeAbout the Role:Reporting directly to Kiran Palan, you will lead a dynamic team of skilled engineers dedicated to developing products that are revolutionizing the physical security landscape. As an Engineering Leader, you will be at the forefront of creating innovative product concepts while nurturing the growth of existing offerings. Collaborating closely with product managers, you will help define our growth strategy, ensuring alignment of processes and delivery with the product roadmap.In this pivotal role, you will unify internal business partners and leadership around this strategic plan while partnering with cross-functional teams to execute it effectively. Your involvement will be crucial in assessing and maintaining the quality and user experience of our products, all while ensuring agility in our development processes.What You'll Bring:Leadership of the current product engineering team, encompassing front-end, mobile, and back-end developers.Expertise in designing, guiding, and evaluating systems within the broader context of product development.Ability to scale the team effectively, recruiting and onboarding new talent while fostering a high-performance culture among software engineers.Technical proficiency as a hands-on coder, coupled with the ability to coach and mentor effectively.Commitment to ensuring exceptional product quality and user experience through active engagement and leadership.

About Hammerhead AIAt Hammerhead AI, we are revolutionizing the integration of artificial intelligence with intelligent orchestration to tackle one of the most significant challenges in AI accessibility: Power. Our advanced platform enhances data center power infrastructure, optimizing AI token generation without the need for additional power plants or grid expansions. Our team has successfully optimized over 8 gigawatts of mission-critical power globally, addressing a market opportunity valued at $64 billion per year, all while significantly reducing the environmental impact of AI infrastructure.Join us at Hammerhead AI to: Innovate at the forefront of AI, energy, and computing, shaping the future of AI infrastructure. Collaborate with experts in modern Reinforcement Learning (RL), AI, IoT, and IIoT software and infrastructure technologies. Play a vital role in creating a more efficient and sustainable future for AI computation. Be part of a pioneering company redefining modern data center design and operations. Enjoy competitive compensation, equity, and benefits in a dynamic, mission-driven environment. Learn from a seasoned team with a track record of building and selling startups.