Senior Software Engineer, Backend Services

At HubSpot, we’re on a mission to help millions of organizations grow better. Our platform is used by businesses worldwide to manage their marketing, sales, service, and operations — and under the hood, our product is built to be flexible, secure, and empowering for both our customers and our own engineering teams. We believe in autonomy, curiosity, and building a workplace where everyone can thrive.
Senior Software Engineer, Backend
Meet the Team: AI Tools & Context Team - Flywheel Group
Flywheel: Help HubSpot’s internal sales teams become the most efficient and effective in the industry by creating AI-powered tools to eliminate repetitive tasks, enhance collaboration, and drive consistent deal progression.
Our goal is to enable each sales rep to improve deal velocity, adopt best practices seamlessly, and spend more time engaging with prospects/customers, providing an excellent buying experience.
The AI Tools & Context team is building internal tools that power smarter and more efficient AI agents. We also aim to create a more unified user experience by allowing multiple agents to seamlessly share context when a user is transferred between them.
This is a greenfield team where you’ll have the opportunity to shape the foundation of a high-impact capability area at HubSpot.
Building backend systems and AI tooling that enable agent capabilities across the Flywheel Product Line.
Working closely with other engineers, product managers, and internal stakeholders to solve complex data and infrastructure problems.
Collaborating on system design, implementation, and best practices.
Building data pipelines, retrieval systems, and backend integrations with AI models.
Solving hard problems related to data and data quality.
Mentoring teammates and helping shape the engineering culture on a new team.
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 (e.g. hours of call transcripts).
Build scalable data pipelines and AI integrations with performance and reliability in mind.
Help improve team processes, technical standards, and code quality
Ensure quality and resilience in all phases — from design to deployment.
Is a strong senior backend engineer with experience in building and scaling backend systems.
Has worked with AI/ML systems or has 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.
Thrives in a greenfield or ambiguous environment, and enjoys building foundational systems.
If you’re excited to work on foundational AI infrastructure, shape a new team, and help HubSpot build smarter, more contextual agent experiences, we’d love to hear from you
If you need accommodations or assistance due to a disability, please reach out to us using this form .

Whether you’re a Remote employee or work from the Office, we want you to start your journey here by building strong connections with your team and peers. If you are joining our Engineering team, you will be required to attend a regional HubSpot office for in-person onboarding. If you join our broader Product team, you’ll also attend other in-person events such as your Product Group Summit and other gatherings to continue building on those connections.
If you require an accommodation due to travel limitations or other reasons, please inform your recruiter during the hiring process. Germany Applicants: (m/f/d) - link to HubSpot's Career Diversity page here .
India Applicants: link to HubSpot India's equal opportunity policy here .
HubSpot (NYSE: HUBS) is an AI-powered customer platform with all the software, integrations, and resources customers need to connect marketing, sales, and service. We’re building a company where people can do their best work . Recognized globally for our award-winning culture by Comparably, Glassdoor, Fortune, and more, HubSpot is headquartered in Cambridge, MA, with employees and offices around the world.
By submitting your application, you agree that HubSpot may collect your personal data for recruiting, global organization planning, and related purposes. Refer to HubSpot's Recruiting Privacy Notice for details on data processing and your rights.