HubSpot · 23 hours ago
Principal Software Engineer- AI Context
HubSpot is an AI-powered customer platform that connects marketing, sales, and service. They are seeking a Principal Software Engineer to define the future of their AI context platform, influencing technical direction and ensuring the delivery of complex, impactful initiatives.
Social MediaSaaSBig DataMarketingAnalyticsCopywriting
Responsibilities
Platform-scale ownership: Helps influence/drive technical direction across the entire AI context group. You’ll work across ingestion, processing, storage, sync, reliability, and intelligence surfaces
AI/ML Fluency: our group is made of world class experts in machine learning and AI and we help power AI experiences across HubSpot. The depths of your skill and expertise will be tested internally by our systems and externally by our partners
Hands-on, high-leverage contributor: You ship software—not just prototypes. We expect deep technical engagement in the systems you influence, including ownership of large, high-impact initiatives
Distributed systems expertise: You’ve operated and evolved large-scale, fault-tolerant, cost-efficient systems. You’re comfortable scaling across billions of events per day and guiding design around availability, throughput, and latency
Architectural leadership: You define and drive reusable platform patterns across ingestion, processing, quality, sync, and observability
Strategy alignment: You align platform architecture with HubSpot’s CRM, AI/ML, and extensibility goals, ensuring infrastructure enables product evolution—not constrains it
Technical mentorship & leadership: You’re recognized as a mentor and multiplier. Others seek your input for design reviews, incident postmortems, and architectural bets
Cross-functional influence: You partner with product and engineering leadership to define strategy, scope opportunities, and execute for product-line-wide outcomes
Rapid domain acquisition: You move into unfamiliar areas quickly and meaningfully contribute—whether it’s a new tech stack, domain model, or organizational challenge
Internal and external impact: You elevate HubSpot’s brand, help attract and retain senior talent, and share your knowledge across the company
Qualification
Required
Proven track record of delivering projects with significant product-line or company-level impact, often in ambiguous or complex technical environments
Ability to move across domains with ease, challenge existing assumptions, and redefine what's possible through deep architectural thinking and strong execution
Hands-on, high-leverage contributor who ships software—not just prototypes
Deep technical engagement in the systems you influence, including ownership of large, high-impact initiatives
Expertise in operating and evolving large-scale, fault-tolerant, cost-efficient systems
Comfortable scaling across billions of events per day and guiding design around availability, throughput, and latency
Ability to define and drive reusable platform patterns across ingestion, processing, quality, sync, and observability
Align platform architecture with HubSpot's CRM, AI/ML, and extensibility goals, ensuring infrastructure enables product evolution
Recognized as a mentor and multiplier, with others seeking input for design reviews, incident postmortems, and architectural bets
Ability to partner with product and engineering leadership to define strategy, scope opportunities, and execute for product-line-wide outcomes
Ability to move into unfamiliar areas quickly and meaningfully contribute—whether it's a new tech stack, domain model, or organizational challenge
Elevate HubSpot's brand, help attract and retain senior talent, and share knowledge across the company
Benefits
Participate in HubSpot’s equity plan to receive restricted stock units (RSUs)
Some roles may also be eligible for overtime pay
Company
HubSpot
HubSpot develops cloud-based, inbound marketing software that allows businesses to transform the way that they market online.
H1B Sponsorship
HubSpot has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (148)
2024 (125)
2023 (101)
2022 (107)
2021 (43)
2020 (33)
Funding
Current Stage
Public CompanyTotal Funding
$100.5MKey Investors
Scale Venture PartnersMatrixGeneral Catalyst
2014-10-10IPO
2012-11-05Series E· $35M
2011-03-08Series D· $32M
Recent News
Benzinga.com
2026-02-12
2026-02-12
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