Requirements:

Strong senior backend engineer with formal leadership experience.
Experience with fullstack development, with an emphasis on backend and data-heavy systems.
Experience with AI/ML systems or 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.
Excited about empowering internal teams with tools that multiply their impact.
Java experience as main language preferred but any other JVM language will be considered.

What You'll Be Doing:

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.
Owning the backend architecture for search, retrieval, and orchestration of agent context.
Leading the design and delivery of backend systems, including hands-on development.
Building scalable data pipelines and AI integrations with performance and reliability in mind.
Mentoring and supporting the growth of junior engineers on the team.
Collaborating with product and engineering stakeholders across HubSpot.
Ensuring quality and resilience in all phases — from design to deployment.