Senior AI Engineer (AIMS Martek)

HubSpot

6d • Remote

About The Position

Our mission at HubSpot is to help millions of organizations grow better. AI is central to that mission—and on the AIMS (AI Marketing Solutions) team, you’ll help shape how Generative AI powers HubSpot’s next chapter of growth. As a Senior AI Engineer, you’ll operate at the intersection of AI, engineering, and product strategy. You’ll partner with marketers and leaders to turn ambitious ideas into scalable AI solutions, while bringing clarity to complex technical decisions. This role blends hands-on development with technical leadership—building production-grade systems and influencing how AI is applied across the business.

Requirements

• 5+ years of professional software development experience or equivalent hands-on experience.
• 2+ years applying Generative AI technologies (LLMs, prompt engineering, RAG, multi-agent systems) in production environments.
• Experience with marketing technology ecosystems (e.g., CRMs, CDPs, workflow automation tools, or data warehouses).
• Strong experience building and consuming REST APIs and designing scalable backend systems.
• Working knowledge of cloud platforms such as AWS, GCP, or Azure.
• Experience with version control systems (Git) and modern development workflows.
• Strong communication skills with the ability to explain technical concepts to diverse audiences.
• Experience implementing testing strategies, including unit and end-to-end testing.

Nice To Haves

• Experience mentoring or guiding other engineers.
• Familiarity with AI frameworks and tools (e.g., OpenAI APIs, LangChain, agent frameworks).
• Experience supporting or working within a marketing organization.
• Experience with HubSpot or similar marketing automation platforms.
• Background in Java development.
• Demonstrated curiosity and continuous learning mindset in emerging AI technologies.

Responsibilities

• Design and deploy scalable, cloud-based architectures for AI-driven marketing applications.
• Lead AI research and development efforts from early exploration through production delivery.
• Partner with cross-functional stakeholders to translate business needs into testable AI solutions.
• Build and optimize data pipelines, retrieval systems (RAG), vector databases, and multi-agent workflows.
• Develop and maintain backend services and RESTful APIs using Java, Node.js, or Python.
• Own end-to-end solution design, including prototyping, testing, training, and support processes.
• Evaluate and prioritize AI initiatives based on feasibility, scalability, and business impact.
• Communicate technical concepts and strategic recommendations clearly to senior stakeholders.
• Document system architecture and best practices to ensure long-term scalability and maintainability.
• Mentor team members and guide adoption of emerging AI technologies.

Benefits

• The cash compensation below includes base salary, on-target commission for employees in eligible roles, and annual bonus targets under HubSpot’s bonus plan for eligible roles.
• In addition to cash compensation, some roles are eligible to participate in HubSpot’s equity plan to receive restricted stock units (RSUs).
• Some roles may also be eligible for overtime pay.
• Benefits are also an important piece of your total compensation package.
• Explore the benefits and perks HubSpot offers to help employees grow better.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed