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Sierra is building a platform to enable companies worldwide to create better, more human customer experiences with AI. We partner with industry leaders and are primarily an in-person company based in San Francisco, with growing international offices. Our core values are Trust, Customer Obsession, Craftsmanship, Intensity, and Family. The co-founders have extensive experience from leading tech companies like Salesforce, Facebook, Google, and OpenAI. As an Agent PM at Sierra, you will be responsible for partnering directly with engineers and customers to build and ship AI agents capable of handling thousands of customer conversations daily. You will engage with customers at all levels, discover their requirements, present demonstrations, and work with technical counterparts to overcome business process challenges. Your role will involve developing and improving virtual agents to meet and anticipate customer needs, acting as a trusted advisor to drive strategic technical strategies for clients.

We are seeking engineers to build a complex AI-native product within a small, high-caliber team. Our platform facilitates AI-moderated video interviews at scale, connecting millions of individuals with companies and soon, AI agents themselves. We are developing a system that simulates human behavior and preferences to inform product development at AI speed, creating a closed-loop system where AI agents can iterate on product features based on human feedback.

$180k - $300k

OpenAI

At OpenAI, we are seeking a software engineer to help build out our trust and safety capabilities, ensuring the safety, robustness, and reliability of AI models and their deployment. In this role, you will work with our engineering team to design and implement systems that detect and prevent abuse, promote user safety, and reduce risk across our platform. You will be at the forefront of our efforts to ensure that the immense potential of AI is harnessed in a responsible and sustainable manner.

LangChain is seeking a Senior Fullstack Engineer to join our commercial product team for LangSmith, an observability and evals platform. In this role, you will have the opportunity to shape the technical direction of our platform while working closely with enterprise customers, developer end-users, and internal stakeholders. You will lead the technical architecture and implementation of key product features, collaborate closely with product and design teams, and mentor junior engineers. This is an opportunity to contribute significantly to a rapidly growing company with a strong foundation in open-source tools and a significant market presence.

$175k - $240k

Sierra is building a platform to enable companies to create better customer experiences using AI. We partner with industry leaders and are primarily an in-person company based in San Francisco. Our co-founders have extensive experience from leading tech companies like Salesforce, Facebook, and Google. We are looking for a Software Engineer to design, build, and ship production-grade AI agents that are central to Sierra's growth. You will own the entire Agent Development Life Cycle (ADLC), from pilot to deployment and iteration, setting best practices along the way. This role involves partnering directly with large enterprises and cutting-edge startups to understand their challenges and build AI agents that transform their operations at scale. Your work will also directly influence the evolution of Sierra's core platform by surfacing unmet needs and prototyping new tools and features.

Mistral AI

Mistral AI is seeking an AI Deployment Strategist to drive the adoption and deployment of our AI solutions. This role involves working closely with customers from strategic vision to production implementation, sitting at the intersection of business strategy, AI innovation, and hands-on deployment. You will partner with senior executives to design AI roadmaps, collaborate with the Applied AI team to deliver solutions in production, and ensure seamless transitions from presales to postsales, directly contributing to customer success by bridging the gap between strategy and execution. This role is ideal for individuals who thrive in a fast-paced environment, enjoy solving complex business challenges, and are passionate about turning AI potential into real-world impact.

Mistral AI

Mistral AI is democratizing AI through high-performance, optimized, open-source models, products, and solutions. We are a dynamic, collaborative team passionate about AI's potential to transform society, with teams distributed globally. We are seeking an Open-Source Software, Machine Learning Engineer to join our OSS team, which is embedded within our Science team. This role is critical in helping turn research breakthroughs into tangible solutions and improving Mistral's open-source ecosystem by open-sourcing state-of-the-art models and maintaining our publicly available libraries.

Mistral AI

Mistral is on a mission to democratize AI by producing frontier intelligence for everyone, developed in the open. We are a dynamic, collaborative team passionate about AI and its potential to transform society, with diverse teams distributed across Europe, the USA, and Asia. We develop models for enterprise and consumers, focusing on systems that change business operations and integrate into daily lives, while also releasing frontier models open-source. We are hiring experts in the training of large language models and distributed systems to join our pioneering company shaping the future of AI.

Runway Labs is seeking a passionate Design Engineer to join their research and exploration team, focusing on the frontier of AI video and General World Models. This role is embedded within a fast-moving, experimental lab environment, distinct from core consumer products. The ideal candidate is a self-starter experienced in collaborating with engineering and research teams to rapidly prototype and deliver innovative solutions. You will explore new interfaces and interaction paradigms for AI-generated video, world models, and agentic systems, translating cutting-edge research into practical, user-friendly experiences. This position requires a strong combination of design skills, technical expertise, and a deep interest in AI.

Inworld is a research lab building top-ranked real-time voice models used in large consumer-facing AI applications. Our work spans research and development of state-of-the-art models, optimizing real-time inference, and creating best-in-class APIs and products. We are looking for strong individuals from varied backgrounds who learn fast, thrive in ambiguity, and can demonstrate their built, broken, and understood work. We believe in the power of in-person collaboration to solve the hardest problems and foster a strong team culture.

$270k - $500k

Mistral AI

Mistral is on a mission to democratize AI by producing frontier intelligence for everyone, developed in the open. We are a dynamic, collaborative team passionate about AI's potential to transform society, with diverse teams distributed globally. We develop models for enterprise and consumers, focusing on systems that change business operations and integrate into daily lives, while also releasing frontier models open-source. We are hiring experts in the training of large language models and distributed systems to join our pioneering company shaping the future of AI.

We are seeking Applied Research Scientists to develop cutting-edge computer vision and generative models for our creative tools. This role involves building impactful and novel machine learning projects, leveraging strong software engineering skills, and a deep interest in translating research into novel user interfaces for creative tasks. You will collaborate across teams, including backend, design, and frontend engineering, to ensure your research models are production-ready and harmonize with user interfaces.