S
Sybill
Staff AI Research Engineer
Skills
PythonMachine LearningAI
2 months ago
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Important information
Contract type:
Permanent
Salary:
$240,000 – $280,000 / year
Location:
Mountain View, CA, USA
Work mode:
Onsite
Published on:
29 August 2026
What they need
- As a Staff AI Researcher, you’ll architect and implement sophisticated agents and retrieval techniques that work across XX Million data points for every sales organization to power our sales co-pilot, making it feel like every seller has a seasoned sales mentor by their side.
- You’ll drive continuous innovation by incorporating cutting-edge AI advancements, running rapid experiments, and iterating based on real user feedback to create truly magical experiences for our users
- Architect end-to-end agentic systems that autonomously plan and orchestrate multi-tool workflows
- Implement sophisticated retrieval systems that surface contextually relevant information in near real-time
- Optimize and fine tune our vector databases and embeddings to solve for accurate domain understanding
- Drive technical decisions and collaborate with product to build AI features that solve real user pain point
- Build monitoring systems to track model performance, costs, and reliability metrics
- Stay on top of the latest developments in AI and rapidly prototype new capabilities
- Use modern developer tools like Cursor and CoPilot to maximize productivity- Strong software engineering foundation with expertise in Python and modern AI/ML infrastructure
- Data-driven mindset with experience in designing metrics and evaluation frameworks for AI systems
- Deep experience architecting end-to-end AI systems that combine multiple components; LLMs, hybrid search indexes (lexical, vector, and knowledge graphs) and agents
- Strong user empathy and collaboration skills with the ability to work across product, engineering, and customer-facing teams
- Track record of optimizing retrieval systems for both accuracy and performance at scale
- Strong proficiency in modern AI infrastructure - vector databases, embedding models, agentic workflows (LangGraph, MCP etc.)
- 5+ years of AI research experience, with at least 2 years focused on RAG and AI copilot systems
- Advanced degree (MS/PhD) in Computer Science or related fields strongly preferred
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