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Agent Engineer, TLM

External
sierra logoSierra · London, UK
£240K–£320K/yrFull-timeOn-site3mo ago
LeadershipPrompt EngineeringRAGReactSAFeSalesforce
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About the role

At Sierra, we're creating a platform to help businesses build better, more human customer experiences with AI. We are primarily an in-person company based in San Francisco, with growing offices in Atlanta, New York, London, Paris, Madrid, Munich, Singapore, Japan, and Sydney. We are guided by a set of values that are at the core of our actions and define our culture: Trust, Customer Obsession, Craftsmanship, Intensity, and Family. These values are the foundation of our work, and we are committed to upholding them in everything we do. Our co-founders are Bret Taylor and Clay Bavor . Bret currently serves as Board Chair of OpenAI. Previously, he was co-CEO of Salesforce (which had acquired the company he founded, Quip) and CTO of Facebook. Bret was also one of Google's earliest product managers and co-creator of Google Maps. Before founding Sierra, Clay spent 18 years at Google, where he most recently led Google Labs. Earlier, he started and led Google's AR/VR effort, Project Starline, and Google Lens. Before that, Clay led the product and design teams for Google Workspace.

Requirements

  • Experience leading engineering teams that build and scale end-to-end production systems
  • Strong technical problem-solving skills and the ability to guide teams through ambiguous, fast-changing environments
  • A leadership style that blends high standards with empathy, fostering both speed and quality
  • Proven ability to work closely with customers and translate business needs into technical deliverables
  • Excellent communication skills across technical and non-technical audiences
  • Degree in Computer Science or related field, or equivalent professional experience.
  • Even better...
  • AI-related experience (experience developing AI agents a plus).
  • Experience building or deploying AI/LLM systems in production
  • Background as a founder, engineering lead, or startup builder with high ownership and urgency
  • Familiarity with tools for today's AI agents: eval frameworks, agent tooling, RAG pipelines, and prompt engineering
  • Prior experience with React, TypeScript, and/or Go
  • Experience interfacing with customers or leading technical projects with external stakeholders
  • Our values
  • Customer Obsession: We deeply understand our customers' business goals and relentlessly focus on driving outcomes, not just technical milestones. Everyone at the company knows and spends time with our customers. When our customer is having an issue, we drop everything and fix it.
  • Craftsmanship: We get the details right, from the words on the page to the system architecture. We have good taste. When we notice something isn't right, we take the time to fix it. We are proud of the products we produce. We continuously self-reflect to continuously self-improve.
  • Intensity: We know we don't have the luxury of patience. We play to win. We care about our product being the best, and when it isn't, we fix it. When we fail, we talk about it openly and without blame so we succeed the next time.
  • Family: We know that balance and intensity are compatible, and we model it in our actions and processes.

Benefits

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