Software Engineer – Agent

🕒 December 16, 2025

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Sierra

WebsiteLinkedInAll Job Openings

51 - 200 employees

🤖 Artificial Intelligence

🤝 B2B

☁️ SaaS

Artificial Intelligence • B2B • SaaS

Sierra is a company that specializes in transforming customer experiences through the power of conversational AI. Their platform enables businesses to deploy AI agents that are empathetic, always available, and aligned with the brand's tone and voice. Sierra offers capabilities for real-time support, seamless integration into existing technology stacks, and the capacity to solve complex issues while continuously improving the customer experience. Trusted by leading brands, Sierra's AI platform is designed with a strong commitment to security and privacy, ensuring safe and secure interactions. The platform allows for personalization, enabling companies to imbue their AI agents with their own identity and processes, ensuring consistency and reliability across all customer interactions.

📋 Description

• Design and deliver production-grade AI agents: You'll build and ship highly performant, reliable, and intuitive AI agents that are central, mission-critical and drive revenue directly to Sierra's growth. • Drive the Agent Development Life Cycle (ADLC): You'll have complete ownership and autonomy from initial pilot through deployment and continuous iteration. • Partner with large enterprises and cutting-edge startups: You’ll work directly with leaders at some of the world’s largest enterprises to understand their most pressing business challenges. • Build the future of the platform: Your direct work with customers will guide the evolution of Sierra's core platform.

🎯 Requirements

• Experience building and scaling end-to-end production systems • Strong technical problem-solving skills, especially in fast-changing, ambiguous environments • A builder and tinkerer’s mindset with high agency - you find creative ways to overcome obstacles and ship • Comfort working directly with customers to understand their needs and solve real-world problems • Excellent communication skills - clear, direct, and persuasive across technical and non-technical audiences • Experience building or deploying AI/LLM systems in production (even better) • Have been a founder or founding engineer - you know what it means to balance craft, ownership, and speed (even better) • Familiarity with tools that power today's AI agents: eval frameworks, agent tooling, RAG pipelines, and prompt engineering (even better) • Prior experience with React, TypeScript, and/or Go (even better) • Previous roles where you interfaced with customers or led technical projects with external stakeholders (even better)

🏖️ Benefits

• Flexible (Unlimited) Paid Time Off • Medical, Dental, and Vision benefits for you and your family • Life Insurance and Disability Benefits • Retirement Plan (e.g., 401K, pension) with Sierra match • Parental Leave • Fertility and family building benefits through Carrot • Lunch, as well as delicious snacks and coffee to keep you energized • Discretionary Benefit Stipend giving people the ability to spend where it matters most • Free alphorn lessons