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Strategist, Agent Development (French speaking)

SierraLondonProduct
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Salary
£150K - £245K GBP
Job type
Full-time
Posted
22 Oct 2025
Status
Open · checked 7d ago

About this role

Role Overview

The Strategist, Agent Development (French speaking) position at Sierra in London is a full-time product role focused on bringing customer-facing AI agents to life for global brands. This opportunity suits professionals who enjoy operating at the intersection of advanced technology, product building, and direct client collaboration.

Key Responsibilities

Manage the entire agent development life cycle, moving projects from initial scope through conversation design, tooling, evaluation, and launch into continuous production iteration.
Act as a trusted strategic advisor to enterprise leaders, helping them understand what success means for their business and shaping the AI strategy to achieve it.
Partner day to day with customer working teams by running working sessions, troubleshooting agent issues, and keeping builds on track for launch.
Provide direct product feedback by surfacing unmet client needs and channeling them back to research and platform teams.

Requirements

Demonstrated customer obsession with a passion for understanding client needs and building trusted relationships within complex organizations.
Clear, direct, and persuasive communication skills tailored for both technical and non-technical audiences.
Strong strategic problem-solving abilities in ambiguous environments to spot risks early and adapt quickly.
Solid technical aptitude, including comfort with reading API documentation, grasping data models, and following engineering tradeoffs.
Proven track record of high ownership and delivery, running multiple complex and visible projects simultaneously.

Nice to Have

Hands-on experience building or deploying AI and LLM agents in production, including familiarity with evaluation frameworks, agent tooling, RAG, and prompt engineering.
Background as a founder, founding team member, or operator who balances craft, speed, and ownership.
A degree in Computer Science, Engineering, Mathematics, or a related technical field, alongside an MBA or comparable business-technology experience.

Skills and Tools

Large Language Models (LLM)
Retrieval-Augmented Generation (RAG)
API documentation and data models
Agent tooling and evaluation frameworks

Salary and Benefits

Annual salary ranging from 150,000 to 245,000 GBP.
Flexible, unlimited paid time off.
Comprehensive medical, dental, and vision coverage for employees and their families.
Life insurance, disability benefits, and a retirement plan dependent on the country of employment.
Parental leave alongside fertility and family-building benefits through Carrot.
Daily lunch, snacks, coffee, and a discretionary benefit stipend.
Eligibility to participate in company equity plans.

About the Company

Sierra leads the platform space for customer-facing AI agents, collaborating with major global brands like The GAP, SoFi, and SoftBank to transform business operations and customer service. Co-founded by Bret Taylor and Clay Bavor, the company maintains a strong culture grounded in trust, customer obsession, craftsmanship, intensity, and family.

How to Apply

Interested candidates should visit the official Sierra careers page to submit an application for this role.

Skills and tech stack

LLMRAG

Questions candidates ask

What is the location and employment type for this role?

This is a full-time position based in London, United Kingdom.

What is the salary range for the Strategist, Agent Development position?

The annual salary ranges from 150,000 to 245,000 GBP.

What are the primary responsibilities of an Agent Strategist at Sierra?

Agent Strategists own the full development life cycle of AI agents, advise enterprise leaders on AI strategy, collaborate daily with client working teams, and channel customer feedback back into product development.

What technical skills are relevant to this position?

Relevant technical concepts include LLMs, RAG, prompt engineering, agent tooling, evaluation frameworks, and familiarity with reading API documentation and system architectures.

What benefits are offered to full-time employees?

Benefits include unlimited paid time off, medical, dental, and vision insurance, life and disability coverage, a retirement plan, parental leave, Carrot fertility benefits, lunch and snacks, a discretionary stipend, and equity plan eligibility.

Ready to apply?

The application is on the official Sierra careers page.

Apply on company site