Software Engineer, Agent (French speaking)

The role

You will design and deliver production-grade AI agents. You will drive the Agent Development Life Cycle and partner with large enterprises and startups to build and evolve AI agents.

What you will do

• Design and deliver production-grade AI agents
• Drive the Agent Development Life Cycle from pilot through deployment and continuous iteration
• Build, tune, and evolve AI agents in production environments
• Partner with large enterprises and startups to understand business challenges
• Build AI agents that transform how companies operate at scale
• Guide the evolution of the core platform by surfacing unmet needs
• Prototype new tools and features
• Collaborate with research, product, and platform teams

Required qualifications

• Experience building and scaling end-to-end production systems
• Strong technical problem-solving skills in fast-changing, ambiguous environments
• A builder and tinkerer’s mindset with high agency
• Comfort working directly with customers to understand needs and solve problems
• Excellent communication skills across technical and non-technical audiences
• Professional fluency in both French and English

Nice to have

• Experience building or deploying AI/LLM systems in production
• Been a founder or founding engineer
• Familiarity with eval frameworks, agent tooling, RAG pipelines, and prompt engineering
• Prior experience with React, TypeScript, and/or Go
• Previous roles where you interfaced with customers or led technical projects with external stakeholders

Benefits

• Flexible (unlimited) paid time off
• Medical, dental, and vision benefits for you and your family
• Life insurance and disability benefits
• Retirement plan dependent on country of employment
• Parental leave
• Fertility and family building benefits
• Lunch, snacks and coffee when working onsite
• Discretionary benefit stipend
• Free alphorn lessons
• Equity plans for eligible full-time employees

About the company

Sierra is a platform for customer-facing AI agents working with large brands. The company is primarily an in-person company based in San Francisco.