Software Engineer, Agent (New Grad 2027)

About Sierra

Sierra builds a platform for customer-facing AI agents used by major brands across industries. The company is primarily in person, based in San Francisco, with growing offices across North America, Europe, and Asia. Its values are Trust, Customer Obsession, Craftsmanship, Intensity, and Family.

Role

Software Engineer, Agent (New Grad 2027) is a full-time, on-site role in San Francisco, CA. Compensation is $150,000–$180,000, with equity offered.

Responsibilities

• Design and deliver performant, reliable, intuitive production AI agents for mission-critical applications across finance, healthcare, commerce, and other industries.
• Own the Agent Development Life Cycle from initial pilot through deployment and continuous iteration. Build, tune, and evolve production agents while helping define development best practices.
• Work directly with enterprise leaders and startups to understand business challenges and embed AI agents across their operations.
• Translate customer needs into platform improvements, prototype tools and features, and collaborate with research, product, and platform teams.

Example Projects

• Build agents for telecommunications and media companies that outperform human agents in managing subscription churn.
• Develop agents that navigate complex customer interactions, troubleshoot devices, and personalize product recommendations.
• Create generalizable agent frameworks for industry-specific use cases.
• Facilitate design partnerships for new agent architectures, self-service capabilities, and generative agent development.
• Experiment with voice models and integrate them at enterprise scale.

Qualifications

• Experience building and scaling end-to-end production systems.
• Strong technical problem-solving skills in fast-changing, ambiguous environments.
• A builder's mindset, high agency, and creativity in overcoming obstacles and shipping solutions.
• Comfort working directly with customers to understand their needs and solve real-world problems.
• Excellent communication skills across technical and non-technical audiences.

Preferred Experience

• Building or deploying AI/LLM systems in production.
• Experience as a founder or founding engineer, balancing craft, ownership, and speed.
• Familiarity with evaluation frameworks, agent tooling, RAG pipelines, and prompt engineering.
• Experience with React, TypeScript, and/or Go.
• Customer-facing roles or leadership of technical projects involving external stakeholders.

Benefits

• Flexible, unlimited paid time off.
• Medical, dental, and vision benefits for employees and their families.
• Life insurance and disability benefits.
• Retirement plan dependent on country of employment.
• Parental leave and fertility and family-building benefits through Carrot.
• Lunch, snacks, and coffee.
• Discretionary benefit stipend.
• Free alphorn lessons.
• Equity plan participation for eligible full-time employees, subject to applicable plans and policies.

Benefits may vary by region and are subject to change under applicable policies.

Application Guidance

Candidates are encouraged to apply even if their experience does not precisely match the job description.