sierra.ai

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 co-founders have extensive experience from leading tech companies like Salesforce, Facebook, and Google. We are looking for a Software Engineer, Agent to design and deliver production-grade AI agents that are central to Sierra's growth, driving revenue directly. These are not prototypes but powerful, scalable systems running in production across various industries.

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 co-founders have extensive experience from leading tech companies like Salesforce, Facebook, and Google, with one co-founder currently serving as Board Chair of OpenAI. We are guided by core values of Trust, Customer Obsession, Craftsmanship, Intensity, and Family, which shape our culture and actions.

Sierra is building a platform to enable companies to create better, more human customer experiences with AI. This role is dedicated to one of Sierra's largest and most strategic customers, focusing on AI agents operating at massive scale across millions of customer interactions. You will serve as the product owner embedded within a dedicated team, responsible for the overall quality and evolution of production AI agents across chat and other channels. This position requires a blend of product sense, technical depth, and a keen eye for user experience, driving quality, and pushing platform capabilities forward.

Sierra is building a platform to enable companies to create better, more human customer experiences with AI. We are seeking a Software Engineer, Agent to design and deliver production-grade AI agents that are central, mission-critical, and drive revenue. You will own the Agent Development Life Cycle (ADLC) from pilot through deployment and iteration, building, tuning, and evolving AI agents in production environments. This role involves partnering directly with leaders at large enterprises and cutting-edge startups to understand their business challenges and build AI agents that transform their operations at scale. Your work will also influence the evolution of Sierra's core platform, surfacing unmet needs and prototyping new tools and features.

Sierra is building a platform to enable companies to create better, more human customer experiences with AI. As an Agent Strategist, you will be responsible for bringing Sierra's AI agents to life for customers, guiding them from initial pilot phases to handling thousands of daily conversations in production. This role sits at the intersection of product development, agent building, and customer engagement, requiring a deep understanding of both the technology and the people it serves. You will transform complex business challenges into effective AI agents that deliver measurable business impact.

Sierra is building a platform to enable companies to create better, more human customer experiences with AI. We are seeking a Software Engineer, Agent to design and deliver production-grade AI agents that are mission-critical and drive revenue. You will own the Agent Development Life Cycle (ADLC) from pilot to iteration, building, tuning, and evolving AI agents in production environments. This role involves partnering directly with leaders at large enterprises and cutting-edge startups to understand their business challenges and build AI agents that transform operations at scale. Your work will also influence the evolution of Sierra's core platform, surfacing unmet needs and prototyping new tools, shaping the future of AI agent development.

Sierra is building a platform to enable companies to create better, more human customer experiences with AI. We are seeking a Software Engineer, Voice to contribute to our innovative AI products. This role involves working on cutting-edge challenges in speech-to-text, speech synthesis, real-time audio processing, and scaling our infrastructure to handle millions of calls daily. You will also be involved in building real-time integrations with telephony systems and call centers.

Sierra is a leading platform for customer-facing AI agents, partnering with major global brands to revolutionize how they serve customers and drive business growth. We are an in-person company based in San Francisco, with a culture guided by values of Trust, Customer Obsession, Craftsmanship, Intensity, and a commitment to balancing Family. Our co-founders bring extensive experience from leading tech companies like Salesforce, Facebook, and Google, with one co-founder currently serving as Board Chair of OpenAI.

Sierra is building a platform to enable companies to create better, more human customer experiences with AI. We are seeking an Agent Builder to contribute to our innovative AI platform. This role involves tackling complex challenges in simulation, content management, and the AI agent development lifecycle. You will adapt traditional software development methodologies for AI agents and explore generative tools to accelerate agent creation and build self-improving systems.

Sierra is building a platform to enable companies worldwide to create better, more human customer experiences using AI. We partner with industry leaders and are primarily an in-person company based in San Francisco, with growing international offices. Our culture is guided by core values: Trust, Customer Obsession, Craftsmanship, Intensity, and Family. The company was co-founded by Bret Taylor and Clay Bavor, who bring extensive experience from leading tech companies like Salesforce, Facebook, and Google.

Sierra is building a platform to enable companies to create better, more human customer experiences with AI. As a Software Engineer, Infrastructure, you will be responsible for designing, building, and maintaining the core systems that power our AI platform. Your focus will be on ensuring Sierra's infrastructure is secure, reliable, and scalable, empowering product teams to deliver with speed and confidence.

Sierra is building a platform to enable companies to create better, more human customer experiences with AI. We are seeking a Software Engineer to join our full-stack data team. You will be instrumental in building systems that enhance the intelligence of our AI agents with every interaction. This role involves developing real-time pipelines, analytics products, and personalization primitives to transform customer conversations into business outcomes. You will contribute to architecting and building our core data platform for low-latency, large-scale data handling, including real-time eventing, streaming and batch ETL, and our data lakehouse. Additionally, you will develop systems for long-term agent memory, reusable Customer Data Platform (CDP) primitives, and optimization loops for personalized interactions that demonstrably improve business results.

Sierra is building a platform to enable companies to create more human customer experiences with AI. The Payments Infrastructure team is responsible for the secure handling of sensitive data, integrating LLMs, payments, infrastructure, and voice technologies. This role involves designing secure protocols, building tokenization platforms, owning security perimeters, developing detection mechanisms for sensitive data, and making payments accessible to other engineers. The goal is to enable seamless, compliant payments within AI-driven conversations, enhancing customer experience and operational efficiency.

Sierra is building a platform to enable companies to create better, more human customer experiences with AI. As an Agent Strategist, you will be responsible for bringing Sierra's AI agents to life for customers, guiding them from initial pilot phases to production-level deployment handling thousands of daily conversations. This role sits at the intersection of product development, agent building, and customer engagement, requiring a deep understanding of both the technology and the user needs. You will transform complex customer challenges into effective AI agents that deliver measurable business impact.

Sierra is building a platform to enable companies 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 include Trust, Customer Obsession, Craftsmanship, Intensity, and Family. The company was co-founded by Bret Taylor and Clay Bavor, who bring extensive experience from leading tech companies like Salesforce, Facebook, and Google.

Sierra is seeking a technical Voice Designer to craft and implement AI voices for customer experiences, focusing on European locales. This forward-deployed role involves working directly with customers to translate their requirements into production-quality AI voices. You will collaborate with the voice platform team to implement and tune voices at scale, which includes recording and editing audio, and making code-level changes within the Sierra platform. The position requires a blend of product sensibility, design taste, customer partnership, and technical comfort with command-line tooling, sitting at the intersection of speech, brand, and engineering.

Sierra is seeking a Product Manager, Infrastructure to shape the platform powering customer-facing AI agents. This role involves defining scalable, reliable, and developer-friendly abstractions for compute, storage, orchestration, and networking. You will own the performance, reliability, and scale of Sierra's systems, setting standards for latency, availability, and fault tolerance. The position also includes designing developer primitives and tooling, driving system architecture decisions through first-principles thinking, and ensuring infrastructure accelerates product velocity. You will collaborate across product, engineering, and go-to-market teams to ensure infrastructure meets evolving product needs and customer use cases.

Sierra is building a platform to enable companies to create better, more human customer experiences with AI. As a Forward Deployed Infrastructure Engineer, you will be a founding member responsible for the end-to-end lifecycle of customer deployments. You will work directly with enterprise clients to architect, deploy, upgrade, and manage Sierra's AI platform infrastructure, ensuring it meets their specific security, compliance, and operational needs. This role involves defining scalable and repeatable deployment standards, tooling, and processes, and collaborating closely with Engineering, Product, Sales, and Customer Success teams to manage complex customer engagements.

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 co-founders have extensive experience from leading tech companies like Salesforce, Facebook, Google, and OpenAI. We are seeking a Software Engineer, Agent to design and deliver production-grade AI agents that are central to Sierra's growth, driving revenue and transforming how businesses operate at scale. This role involves full ownership of the Agent Development Life Cycle (ADLC), from pilot to iteration, and requires building, tuning, and evolving AI agents in production environments.

Sierra is building a platform to enable companies worldwide to create better, more human customer experiences using AI. We partner with industry leaders and are primarily an in-person company based in San Francisco, with growing international offices. Our co-founders have extensive experience from leading tech companies like Salesforce, Facebook, and Google, with one co-founder currently serving as Board Chair of OpenAI. We are guided by core values of Trust, Customer Obsession, Craftsmanship, Intensity, and Family.