Principal Software Engineer- AI Context

Description • Influence and drive technical direction across the AI Context platform, spanning ingestion, processing, storage, synchronization, reliability, and intelligence surfaces. • Own and deliver large, high-impact initiatives end to end in complex and ambiguous technical environments. • Define reusable platform patterns across ingestion, processing, quality, synchronization, and observability. • Guide architecture for large-scale, fault-tolerant, cost-efficient systems that operate at very high event volumes. • Align platform architecture with HubSpot’s CRM, AI/ML, and extensibility goals. • Partner with product and engineering leadership to define strategy, scope opportunities, and execute product-line-wide outcomes. • Provide technical mentorship through design reviews, incident postmortems, and architectural decisions. • Contribute deeply to the systems you influence rather than only producing prototypes. • Move quickly across unfamiliar domains and make meaningful contributions to new stacks, models, or organizational challenges. • Help elevate HubSpot’s internal and external engineering reputation through knowledge sharing and technical leadership. Requirements • Proven track record of delivering projects with significant product-line or company-level impact. • Experience operating and evolving large-scale distributed systems. • Comfort designing for availability, throughput, latency, and cost efficiency at scale. • Ability to work effectively in ambiguous or complex technical environments. • Strong architectural thinking and execution ability. • Experience with AI/ML systems or strong AI/ML fluency. • Recognized technical mentor and trusted contributor in design reviews and postmortems. • Ability to collaborate closely with product and engineering leadership. • Ability to rapidly learn new domains, tech stacks, and organizational contexts. • Eligible roles may include annual bonus targets, on-target commission, equity through RSUs, or overtime pay; compensation is tailored to skills and experience. Benefits • Annual cash compensation range of $266,200–$425,900 USD. • Some roles are eligible to participate in HubSpot’s equity plan and receive RSUs. • Eligible roles may include annual bonus targets and on-target commission. • Flexible work environment with both remote and office options. • Required in-person onboarding for Engineering employees at a regional HubSpot office. • Additional in-person product events for broader Product team members, if applicable. • Access to HubSpot’s benefits and perks package supporting employee growth and well-being. Apply tot his job Apply To this Job