Responsibilities
- Define architecture and design patterns for Breeze’s AI agents, tools, skills, memory, scheduled prompts, and integrations with HubSpot CRM and third-party ecosystems.
- Expand the platform’s artifact types and enable internal HubSpot teams and partners to build high-value customer deliverables.
- Build technical bridges that turn customer context into an active collaborator in users’ sales and marketing workflows.
- Prototype and validate new capabilities using LLMs, RAG, and agentic frameworks, then lead high-impact initiatives into production.
- Drive LLM evaluation, observability, guardrails, data privacy, reliability, and trust for GenAI systems.
- Enable HubSpot teams to expose tools and API endpoints to Breeze and provide technical leadership across engineering and product groups.
- Mentor senior engineers on prompt engineering, model selection, agentic design, and non-deterministic systems at scale.
Requirements
- Proven experience building and scaling high-throughput, low-latency distributed systems with strict reliability requirements.
- Deep experience with LLM orchestration, vector databases, RAG pipelines, and multi-agent frameworks.
- Understanding of model architectures, fine-tuning strategies, inference costs, and production trade-offs.
- Experience building autonomous or semi-autonomous systems involving tool calling, complex state management, and graceful failure recovery.
- Ability to design reusable primitives, APIs, and agentic harnesses for internal teams and partners.
- Track record of building user-focused products and understanding the needs of sales and marketing professionals.
- Ability to rapidly learn and evaluate new AI papers, models, and frameworks and communicate their strategic value and limitations.
- Ability to balance rapid prototyping with production-grade engineering and provide technical mentorship.
Benefits
- Annual cash compensation is listed as $266,200–$425,900 USD, including base salary, eligible on-target commission, and annual bonus targets; some roles may also be eligible for RSUs and overtime.
- HubSpot offers benefits and perks to support employee growth.
- Employees may work remotely or from an office, with Engineering employees required to attend a regional HubSpot office for in-person onboarding.
- Product employees may attend in-person events such as Product Group Summits and other gatherings.
- HubSpot supports accommodations for travel limitations, disabilities, and other needs.
Categories
About HubSpot
HubSpot is a leading agentic customer platform that provides software and support to help businesses grow better. Our platform includes marketing, sales, service, and website management products that start free and scale to meet our customers’ needs at any stage of growth. Today, thousands of customers around the world use our powerful and easy-to-use tools and integrations to attract, engage, and delight customers. HubSpot's award-winning culture has been recognized by Glassdoor, Great Place to Work, Comparably, Fortune, Entrepreneur, Inc., and more. We build connections, careers, and employee growth by creating a workplace that values flexibility, autonomy, and transparency. You can learn more about our commitment to creating an inclusive and diverse workplace in the HubSpot Culture Code. HubSpot is a flexible company with employees working fully remotely, from an office, or a mix of the two. We are headquartered in Cambridge, MA with offices in Amsterdam, Berlin, Bogota, Dublin, Ghent, London, Madrid, Paris, San Francisco, Singapore, Sydney, Tokyo and Toronto. To learn more about HubSpot, visit www.hubspot.com and to join our team, visit www.hubspot.com/careers