Technical Lead, AI Tools & Context Team

Requirements:

• Is a strong senior backend engineer with formal leadership experience.
• Has experience with fullstack development, with an emphasis on backend and data-heavy systems.
• Has worked with AI/ML systems or has a strong interest in applying AI in practical, production use cases.
• Understands the challenges of building and scaling data pipelines.
• Writes reliable, maintainable, well-tested code and cares deeply about code quality.
• Values autonomy, fast learning, and psychological safety on teams.
• Thrives in a greenfield or ambiguous environment and enjoys building foundational systems.
• Is excited about empowering internal teams with tools that multiply their impact.
• Has Java experience as it is our main language and, is preferable but any other JVM language will be considered.

What you'll be doing:

• ~60% hands-on coding and technical leadership — you’ll set the technical direction and build alongside the team.
• Collaborating closely with stakeholders cross-functional partners to define a roadmap for the team and success metrics.
• Building backend systems and AI tooling that enable agent capabilities across the Flywheel Product Line.
• Solving hard problems related to data quality, search, and information retrieval.
• Mentoring teammates and helping shape the engineering culture on a new team.

Responsibilities:

• Building reusable agent infrastructure and internal tools to serve multiple product teams.
• Developing intelligent systems that can search and extract meaning from complex data sources (e.g. hours of call transcripts).
• Owning the backend architecture for search, retrieval, and orchestration of agent context.
• Lead the design and delivery of backend systems, including hands-on development.
• Build scalable data pipelines and AI integrations with performance and reliability in mind.
• Mentor and support the growth of junior engineers on the team.
• Collaborate with product and engineering stakeholders across HubSpot.
• Ensure quality and resilience in all phases — from design to deployment.

Perks and Benefits:

• If you’re excited to work on foundational AI infrastructure, shape a new team, and help HubSpot build smarter, more contextual agent experiences, we’d love to hear from you!