HubSpot Tech Stack

Agentic CRM platform spanning marketing, sales, service, and website management

Software Development Cambridge, Massachusetts 5,001–10,000 employees Founded 2006 Public Company

HubSpot operates a multi-product customer platform (marketing, sales, service, CMS) built on Java, Haskell, Go, and cloud infrastructure (AWS, Azure, GCP). The company is actively adopting LangGraph and AutoGen alongside Iceberg, signaling investment in agentic AI and real-time data capabilities. A sales-heavy hiring mix (215 open roles in sales vs. 89 in engineering) reflects a go-to-market organization scaling upmarket partnerships and new product distribution.

Tech Stack 112 technologies

Core StackSalesforce ZoomInfo Java Dynamics 365 Zendesk MySQL AWS Kafka Kubernetes Slack Zoom Cloudflare CloudFront NGINX C# Go C++ LinkedIn Microsoft Office Google Workspace LinkedIn Sales Navigator Haskell Data Studio Dropwizard Flywheel Loom HubSpot CMS Azure GCP Envoy+76 more

AdoptingIceberg LangGraph AutoGen

What HubSpot Is Building

◆Challenges

Ai content quality
Not joining partner program
Pain of not joining the program
Reduce turn rate
Complex contract requirements
Adoption barriers
Workflow friction
Managing risk
Accurate resolution of customer inquiries
Manual compliance workflows

▲Active Projects

Evolve sales strategy for new features and products
New product releases
Partner enablement plans
Upmarket partner acquisition pipeline
Data sync
Greenfield messaging performance reporting platform
Pilot new processes and playbooks
Ai-powered proof-of-concept automations
Design systems
Flagship hubs design

Hiring Activity

Steady440 roles · 180 in 30d

Department

Sales

215

Engineering

Design

Support

Product

Marketing

Data

Seniority

Senior

158

Mid

109

Junior

Manager

Lead

Principal

Staff

Director

Notable leadership hires: Customer Success Head, Sales Director, Technical Lead, Frontend Lead, Frontend Technical Lead

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About HubSpot

HubSpot provides an integrated CRM and marketing-automation platform designed to help businesses attract, engage, and manage customers across multiple channels. The product portfolio spans inbound marketing tools, sales enablement, customer service, and website/CMS management—all starting free and scaling with customer needs. The company operates at scale across 13+ countries (US, Ireland, France, Singapore, Colombia, Germany, Australia, UK, Canada, Japan, Belgium, Netherlands, Spain) with a 5,001–10,000 person organization headquartered in Cambridge, Massachusetts. Current focus includes upmarket partner acquisition, new product releases, and AI-powered automation capabilities to reduce manual workflows and improve content quality.

HeadquartersCambridge, Massachusetts

Company Size5,001–10,000 employees

Founded2006

Hiring MarketsUnited States, Ireland, France, Singapore, Colombia, Germany, Australia, United Kingdom

Frequently Asked Questions

What tech stack does HubSpot use?

HubSpot's core stack includes Java, Haskell, Go, and C# for application logic; Kafka and Kubernetes for streaming and orchestration; MySQL, Iceberg for data; and AWS, Azure, GCP for cloud infrastructure. They also use Salesforce, Zendesk, and Google Workspace operationally.

Is HubSpot actively hiring engineers?

Yes. HubSpot has 89 active engineering roles open, with 442 total open positions across the company. Hiring is steady across the US, Ireland, France, Singapore, Colombia, Germany, Australia, UK, Canada, Japan, Belgium, Netherlands, and Spain.

What is HubSpot working on?

Current projects include new product releases, upmarket partner acquisition, AI-powered proof-of-concept automations, a greenfield messaging performance reporting platform, design systems work, and partner enablement strategies to drive adoption.