Senior Software Engineer I, Flywheel

Requirements:

• Strong backend experience and willingness to work across the stack
• Thinking like an owner and loving learning about the business
• Caring deeply about the impact of what you're building and the problems you're solving
• Being comfortable working closely with users (CS reps) and iterating quickly based on feedback
• Thriving in a fast-moving environment with a high degree of autonomy and ownership
• Being excited about leveraging AI and data science in real-world, practical applications
• Holding yourself to a high standard of code quality and taking accountability for delivery
• Being comfortable navigating ambiguity and contributing to shaping the team's direction

What You'll Be Doing:

• End-to-end ownership of new features, often initiated by engineers themselves
• Collaborating closely with CS reps to understand needs and iterate rapidly
• Building backend systems (Java required), while contributing across the stack when needed (React experience preferred)
• Partnering with data scientists to surface insights and build intelligence into workflows
• Embracing a "ship to learn" mindset — using experimentation and feedback to guide development
• Operating in a high-trust, high-autonomy environment where engineers are expected to take initiative

Perks and Benefits:

• Meaningful Impact: The features you build will directly support HubSpot's CS teams — and scale to customers
• AI-Powered Innovation: Partner with data scientists to drive intelligent workflows
• Engineer-Led Problem Solving: Engineers are encouraged to propose and drive initiatives
• Growth-Focused Culture: Fast iteration cycles, regular feedback, and space to experiment
• Psychological Safety: The team iterates quickly in a safe, collaborative environment designed for learning