Software Engineer - Realtime Systems at Baseten | San Francisco

Baseten supports companies like Cursor, Notion, and Writer in running AI inference at scale. The team blends AI research, adaptive infrastructure, and developer tools to help organizations deploy advanced AI models efficiently. Backed by investors such as BOND, IVP, and Greylock, Baseten recently raised a $300M Series E. The company aims to be the trusted platform for engineers launching AI products. Role overview The Software Engineer - Realtime Systems (Voice AI) role focuses on building and deploying production-ready Voice AI systems. Baseten’s Voice AI team works with open-source models to power applications in productivity, customer support, clinical conversations, creative tools, and education. Engineers in this group influence how people use voice to interact with technology, shaping products that impact multiple industries. This position involves leading Voice AI projects, setting both product direction and technical strategy. Collaboration is a key part of the work: expect to partner with Forward Deployed Engineers, Model Performance Engineers, and other teams to advance Baseten’s Voice AI capabilities. Sample projects The world's fastest Whisper, with streaming and diarization Orpheus TTS inference partnership with Canopy Labs Collaborate with the Core Product team to build a multi-model voice agent using Baseten’s orchestration framework Work alongside the Training Platform team to support ongoing training of voice models Design APIs and SDKs that make Baseten Voice AI products accessible for developers Location This role is based in San Francisco.

Baseten develops infrastructure and tools that help AI companies deploy and scale inference. Teams at organizations like Cursor, Notion, OpenEvidence, Abridge, Clay, Gamma, and Writer rely on Baseten to bring advanced machine learning models into production. The company recently secured a $300M Series E from investors including BOND, IVP, Spark Capital, Greylock, and Conviction. Role overview This Software Engineer - GPU Inference position joins the founding team for Baseten Voice AI in San Francisco. The team focuses on building production-ready Voice AI systems, bringing open-source voice models into real-world use for clients in productivity, customer service, healthcare conversations, and education. The work shapes how people interact with technology through voice, creating broad impact across industries. In this role, the engineer leads the internal inference stack that powers Voice AI models. Responsibilities include guiding the product roadmap and driving engineering execution. Collaboration is a key part of the job, working closely with Forward Deployed Engineers, Model Performance Engineers, and other technical groups to advance Voice AI capabilities. Sample projects and initiatives The world's fastest Whisper, with streaming and diarization Canopy Labs selects Baseten for Orpheus TTS inference Partnering with the Core Product team to build an orchestration framework for a multi-model voice agent Working with the Training Platform team to support continuous training of voice models Designing a developer-friendly API and SDK for self-service adoption of Baseten Voice AI products

Join baseten as a Data Engineer and be at the forefront of data-driven innovation. In this role, you will design and implement robust data pipelines, ensuring the efficient processing and analysis of data to empower our products and decision-making processes. Collaborate with cross-functional teams to understand their data needs, while striving for optimization and scalability in data architectures.

Join Baseten as an Onboarding Program Manager where you will play a vital role in shaping the onboarding experience for our new team members. You will be responsible for developing and implementing effective onboarding programs that enhance employee engagement and retention.

About Baseten Baseten supports leading AI companies, including Cursor, Notion, OpenEvidence, Abridge, Clay, Gamma, and Writer, by delivering essential inference capabilities. The platform brings together advanced AI research, flexible infrastructure, and developer-friendly tools, helping teams move models from the lab into production. Backed by a recent $300M Series E funding round and investors such as BOND, IVP, Spark Capital, Greylock, and Conviction, Baseten is growing quickly in its mission to become the platform engineers trust for building and shipping AI products. Role Overview The Integrated Marketing Manager will shape and run multi-channel marketing campaigns to drive a qualified pipeline and strengthen Baseten’s go-to-market approach. This role calls for a strategic marketer with hands-on experience in AI, comfortable guiding campaigns from initial idea through launch and measurement, and collaborating across teams and channels. What You Will Do Develop and execute full-funnel campaign programs that include content, paid media, email outreach, events, and web initiatives Increase awareness, engagement, and pipeline growth as Baseten scales through FY’27 Work closely with cross-functional teams to ensure campaigns align with business goals and market needs Analyze campaign performance and apply insights to improve future efforts Location This position is based in San Francisco.

Join Baseten as a Software Engineer focusing on GPU Networking and Distributed Systems. In this pivotal role, you'll collaborate with talented engineers and researchers to develop cutting-edge solutions that leverage GPU technology for high-performance networking operations. Your contributions will be instrumental in shaping the future of distributed systems, enhancing performance, scalability, and reliability.

Join Baseten as a Software Engineer focused on Billing and Internal Tooling, where you will play a crucial role in developing and enhancing our internal systems. You will collaborate with cross-functional teams to create efficient billing solutions and streamline internal processes. Your contributions will directly impact our operational efficiency and customer satisfaction.

Join Baseten as an Account Executive in the Industries division, where you'll play a pivotal role in driving growth and building strong client relationships. In this position, you will leverage your expertise to engage with prospective customers, understand their needs, and offer tailored solutions that align with their objectives. Ideal candidates will possess exceptional communication skills, a strong sales acumen, and a passion for technology.

ABOUT BASETENAt Baseten, we empower cutting-edge AI companies, including Cursor, Notion, OpenEvidence, Abridge, Clay, Gamma, and Writer, to achieve mission-critical inference. By merging advanced AI research with flexible infrastructure and intuitive developer tools, we facilitate the deployment of innovative AI models into production. Having recently secured a $300M Series E funding round from esteemed investors like BOND, IVP, Spark Capital, Greylock, and Conviction, we are on a rapid growth trajectory. Join our team and contribute to building a platform that engineers rely on to launch AI products successfully.THE ROLEAs a key member of Baseten's Platform Team, you will play a crucial role in developing internal infrastructure to support our engineering division. While our product offers infrastructure for AI advancements, your primary focus will be on crafting robust internal systems that enhance productivity, collaboration, and work quality across engineering teams, leveraging exceptional tools, efficient workflows, and resilient development settings.If you have a passion for elegant solutions—such as streamlined monorepos, rapid CI pipelines, and well-designed shared libraries—you will excel at Baseten.RESPONSIBILITIESDevelop a range of tools customized to meet the diverse needs of engineering teams.Enhance monorepo functionality and create project templates to ensure consistency and efficiency.Design and implement shared libraries focused on system observability.Optimize the speed, reliability, and thoroughness of our CI pipelines.Assist in designing and maintaining Terraform modules for effective infrastructure management.Provide innovative solutions to improve visibility within continuous delivery (CD) processes.Proactively support engineering teams, ensuring they have the necessary resources and tools for maximum productivity.REQUIREMENTSProficiency in Go and/or Python programming languages.Experience with Kubernetes and Docker tools (e.g., Helm, Docker, Kubernetes).Demonstrated experience managing and working with large monorepos.Strong problem-solving skills with an emphasis on efficient software delivery.Familiarity with CI/CD methodologies and tools.Excellent communication and collaboration skills.

Baseten creates AI inference solutions for clients such as Cursor, Notion, OpenEvidence, Abridge, Clay, Gamma, and Writer. The team blends AI research, infrastructure, and developer tools to help organizations deploy advanced models. Backed by $300M in Series E funding from BOND, IVP, Spark Capital, Greylock, and Conviction, Baseten is expanding quickly and shaping the landscape for engineers building AI products. Role overview The Software Engineer - Voice AI role centers on building and deploying open-source voice models for real-world use. Voice is becoming a key interface across the web, and this position addresses the technical challenges of bringing production-ready Voice AI to market. The work supports applications in productivity, customer service, clinical dialogue, creator tools, education, and more, helping to change how people interact with technology across sectors. This engineer leads Baseten’s Voice AI efforts, guiding the proprietary inference stack that powers Voice AI models. The role balances shaping the product roadmap with hands-on engineering. Collaboration is a core part of the job, working closely with Forward Deployed Engineers, Model Performance Engineers, and other technical teams to advance Voice AI capabilities. Sample projects and initiatives The world's fastest Whisper, with streaming and diarization Canopy Labs selects Baseten for Orpheus TTS inference Partnering with the Core Product team to build an orchestration framework for a multi-model voice agent Working with the Training Platform team to support ongoing training of voice models Designing a developer-friendly API and SDK to encourage self-service adoption of Baseten Voice AI products Location San Francisco

Join Baseten as a Software Engineer focused on developing cutting-edge products that push the boundaries of technology. In this role, you will collaborate with a dynamic team to design, implement, and maintain innovative software solutions that meet the needs of our users. You will have the opportunity to work on exciting projects that utilize the latest technologies and methodologies.

ABOUT BASETENAt Baseten, we empower innovative AI companies like Cursor, Notion, OpenEvidence, Abridge, Clay, Gamma, and Writer to execute mission-critical inference with ease. By merging advanced AI research with flexible infrastructure and robust developer tools, we enable organizations at the forefront of AI to seamlessly deploy cutting-edge models into production. Fueled by rapid growth and a recent $300M Series E investment from industry leaders such as BOND, IVP, Spark Capital, Greylock, and Conviction, we're building the essential platform that engineers trust to launch AI products.THE ROLEAs a Software Engineer on our Core Product team, you will play a pivotal role in developing and enhancing the core Baseten platform, empowering users to effortlessly deploy and derive value from machine learning models. Given our developer-centric approach, you will engage with a vast array of components, including CLI tools, REST APIs, and the web application. The Core Product team leads all new product innovations within Baseten.EXAMPLE INITIATIVESAs part of our Core Product team, you will tackle exciting projects such as:Chains for multi-component workflowsAsynchronous inferenceModel APIs for cutting-edge modelsModel training optimized for production inferenceRESPONSIBILITIESDevelop and implement new features and products for the teamDesign intuitive APIs and abstractions to effectively address customer needsQuickly resolve bugs and customer issues with a proactive approachWork across the technology stack; you'll engage with both React Components and Kubernetes PodsCollaborate closely with product managers and cross-functional teams to drive product success

ABOUT BASETENAt Baseten, we are at the forefront of AI innovation, providing critical inference solutions for leading AI companies like Cursor, Notion, OpenEvidence, Abridge, Clay, Gamma, and Writer. Our platform combines advanced AI research, adaptable infrastructure, and intuitive developer tools, empowering organizations to deploy state-of-the-art models effectively. With rapid growth and a recent $300M Series E funding round backed by top-tier investors including BOND, IVP, Spark Capital, Greylock, and Conviction, we invite you to join our mission in building the platform of choice for engineers delivering AI products.THE ROLE:As a member of Baseten’s Model Performance (MP) team, you will play a pivotal role in ensuring our platform’s model APIs are not only fast and reliable but also cost-effective. Your primary focus will be on developing and optimizing the infrastructure that supports our hosted API endpoints for cutting-edge open-source models. This role involves working with distributed systems, model serving, and enhancing the developer experience. You will collaborate with a small, dynamic team at the intersection of product development, model performance, and infrastructure, defining how developers interact with AI models on a large scale.RESPONSIBILITIES:Design, develop, and maintain the Model APIs surface, focusing on advanced inference features such as structured outputs (JSON mode, grammar-constrained generation), tool/function calling, and multi-modal serving.Profile and optimize TensorRT-LLM kernels, analyze CUDA kernel performance, create custom CUDA operators, and enhance memory allocation patterns for maximum efficiency across multi-GPU setups.Implement performance improvements across various runtimes based on a deep understanding of their internals, including speculative decoding, guided generation for structured outputs, and custom scheduling algorithms for high-performance serving.Develop robust benchmarking frameworks to evaluate real-world performance across diverse model architectures, batch sizes, sequence lengths, and hardware configurations.Enhance performance across runtimes (e.g., TensorRT, TensorRT-LLM) through techniques such as speculative decoding, quantization, batching, and KV-cache reuse.Integrate deep observability mechanisms (metrics, traces, logs) and establish repeatable benchmarks to assess speed, reliability, and quality.

Join our innovative team at Baseten as a Software Engineer - AI Enablement. In this role, you will work on cutting-edge AI technologies and help build tools that empower developers to harness the full potential of artificial intelligence.We are looking for passionate engineers who thrive in a collaborative environment and are eager to tackle challenging problems. You will be responsible for designing and implementing scalable AI solutions, working closely with cross-functional teams to deliver impactful results.

Join Baseten as a Software Engineer focused on enhancing our Developer Ecosystem. You will be instrumental in crafting solutions that enable developers to build, train, and deploy machine learning models seamlessly. Your role will involve collaborating with cross-functional teams to innovate and optimize our platform, ensuring it meets the needs of our users.

ABOUT BASETENAt Baseten, we are at the forefront of enabling transformative AI solutions for some of the world's leading companies, including Cursor, Notion, OpenEvidence, Abridge, Clay, Gamma, and Writer. Our innovative platform combines cutting-edge AI research, adaptable infrastructure, and developer-friendly tools to facilitate the production of advanced models. Recently, we celebrated our rapid growth with a successful $300M Series E funding round from notable investors like BOND, IVP, Spark Capital, Greylock, and Conviction. We invite you to join our dynamic team and contribute to the evolution of AI product deployment.THE ROLEAs a Senior Software Engineer specializing in Model Training at Baseten, you will play a pivotal role in constructing the infrastructure essential for the large-scale training and fine-tuning of foundational AI models. Your responsibilities will include designing and implementing distributed training systems, optimizing GPU utilization, and establishing scalable pipelines that empower Baseten and our clientele to adapt models with efficiency and reliability. This role demands a high level of technical expertise and hands-on involvement: you will be responsible for critical components of our training stack, collaborate with product and infrastructure teams to identify customer needs, and drive advancements in scalable training infrastructure.EXAMPLE WORK:Training open-source models that surpass GPT-5 capabilities for a leading digital insurerExploring specialized, continuously learning models as the future of AIOverview of our training documentationResearch initiatives we've undertakenRESPONSIBILITIESDesign, construct, and sustain distributed training infrastructures for large foundation modelsDevelop scalable pipelines for fine-tuning and training across diverse GPU/accelerator clustersEnhance training performance through optimization of algorithms and infrastructureCollaborate closely with cross-functional teams to align technical solutions with business objectivesStay abreast of advancements in the field of machine learning and AI to continually improve our training processes

ABOUT BASETENBaseten is at the forefront of AI technology, empowering leading-edge companies like Cursor, Notion, OpenEvidence, Abridge, Clay, Gamma, and Writer to seamlessly integrate advanced AI models into their operations. Our unique blend of applied AI research, adaptable infrastructure, and intuitive developer tools enables innovators to bring their most ambitious AI products to life. With our recent $300M Series E funding from top-tier investors such as BOND, IVP, Spark Capital, Greylock, and Conviction, we are poised for rapid growth. Join us in shaping the platform that engineers rely on to deploy transformative AI solutions.THE ROLEAre you driven by a passion for enhancing artificial intelligence applications? We are seeking a proactive Software Engineer specializing in ML performance to join our energetic team. This position is perfect for backend engineers who thrive in a fast-paced startup environment and are eager to make substantial contributions to the realm of Large Language Model (LLM) Inference. If you're enthusiastic about optimizing open-source ML models, we can't wait to hear from you!EXAMPLE INITIATIVESAs a member of our Model Performance team, you will have the opportunity to work on exciting projects, including:Baseten Embeddings Inference: The quickest embeddings solution availableThe Baseten Inference StackDriving model performance optimizationRESPONSIBILITIESDevelop, refine, and implement advanced techniques (quantization, speculative decoding, kv cache reuse, chunked prefill, and LoRA) for ML model inference and infrastructure.Conduct thorough investigations into the codebases of TensorRT, PyTorch, TensorRT-LLM, vllm, sglang, CUDA, and other libraries to troubleshoot and resolve ML performance issues.Scale and apply optimization techniques across a diverse array of ML models, with a focus on large language models.

ABOUT BASETENAt Baseten, we empower leading AI companies such as Cursor, Notion, OpenEvidence, Abridge, Clay, Gamma, and Writer with our state-of-the-art inference solutions. Our unique blend of applied AI research, versatile infrastructure, and intuitive developer tools allows organizations at the forefront of AI innovation to deploy cutting-edge models effectively. Recently, we have experienced significant growth, securing a $300M Series E funding round, backed by renowned investors like BOND, IVP, Spark Capital, Greylock, and Conviction. Become a part of our journey to create the ultimate platform for engineers to launch AI products seamlessly.THE ROLEAs a Senior Software Engineer focused on our Enterprise Platform, you will play a pivotal role in designing and developing robust infrastructure and platform features tailored for our enterprise clientele and cloud partners. Your contributions will encompass enabling self-hosted and single-tenant environments, implementing region-aware request routing, and ensuring enterprise-grade data security and integration capabilities.EXAMPLE INITIATIVESJoin our Infrastructure team and tackle exciting projects such as:Multi-cloud capacity managementOptimizing inference on B200 GPUsImplementing multi-node inference solutionsLeveraging fractional H100 GPUs for efficient model servingRESPONSIBILITIESDesign and implement infrastructure and platform features customized for enterprise clients, covering self-hosted clusters, single-tenant environments, and cross-cloud orchestration.Lead strategic initiatives to enhance secure and scalable private connectivity solutions.Craft and execute solutions that address complex regulatory and compliance requirements for enterprise environments.

Join baseten as an Office Manager in the vibrant city of San Francisco! In this pivotal role, you will oversee daily office operations, ensuring a smooth and productive work environment. You will be the point of contact for employees, handling administrative tasks, coordinating office events, and providing support to management. Your organizational skills and proactive approach will help us create a welcoming and efficient workspace.

Baseten is looking for a Strategic Finance Specialist to focus on Go-To-Market (GTM) strategies in San Francisco. This position centers on analyzing financial data and supporting key decisions that shape GTM initiatives. Role overview This role works closely with teams across the company to improve growth and efficiency. The Strategic Finance Specialist uses financial insights to guide GTM projects and influence business outcomes. What you will do Analyze financial data related to GTM strategies Support strategic decision-making with clear financial insights Collaborate with cross-functional teams to enhance GTM initiatives Help drive growth and operational efficiency through financial expertise Location This position is based in San Francisco.