AI Engineer (AIMS Martek)

HubSpot is an AI-powered customer platform focused on helping organizations grow better. As an AI Engineer on the AIMS team, you will develop and deploy AI-driven marketing applications while collaborating with marketers and product stakeholders to create scalable tools that drive business impact.

Responsibilities:

• Develop and deploy high-quality software and cloud-based infrastructure for AI-driven marketing applications
• Partner with marketers and product stakeholders to translate ideas into prototypes and scalable AI tools
• Build and maintain RESTful APIs and backend services using technologies such as Node.js and Python
• Design and implement data pipelines, retrieval systems (RAG), and multi-agent workflows leveraging LLMs
• Evaluate emerging AI technologies and rapidly test concepts to inform HubSpot's marketing innovation roadmap
• Assess AI project ideas for technical feasibility, scalability, and potential business impact
• Document AI systems, architectural decisions, and best practices to ensure maintainability and clarity
• Communicate complex technical concepts to non-technical audiences with confidence and precision
• Collaborate across engineering, data science, and marketing teams to bring AI-powered workflows to life
• Contribute to a culture of experimentation, learning, and technical excellence across the AIMS team

Requirements:

• 2+ years of professional software development experience or equivalent hands-on technical experience
• Strong proficiency in backend development using Node.js and/or Python
• Experience building and consuming REST APIs and working with databases
• Experience applying Generative AI concepts (LLMs, prompt engineering, RAG, multi-agent systems) to real-world problems
• Working knowledge of cloud platforms such as AWS, GCP, or Azure
• Familiarity with marketing technology ecosystems (e.g., CRM systems, workflow automation tools, CDPs, or data warehouses)
• Experience using version control systems (Git) and modern software development workflows
• Ability to explain technical concepts clearly to non-technical stakeholders
• Experience with AI frameworks and tooling (e.g., OpenAI APIs, transformers, vector databases, LangChain)
• Background in Java or experience with multi-agent systems
• Experience with the HubSpot platform or similar marketing automation software
• Experience building or orchestrating multi-agent systems
• Demonstrated curiosity and a growth mindset for learning emerging AI technologies