Senior AI Engineer (AIMS Martek) at HubSpot

United States

$148.5k - $222.8k

POS-32159 We are currently hiring for two similar positions on this team: this Senior AI Engineer role and an AI Engineer role (POS-31288) which is a separate job posting. Please review the requirements for each role and submit your application for only one—the one that best matches your experience and skills. This will help us ensure a smooth and thoughtful application process for everyone. Application Deadline: Friday, May 15th at 12pm ET Role Summary Our mission at HubSpot is to help millions of organizations grow better. AI is central to that mission—and on the AIMS (AI Marketing Solutions) team, you’ll help shape how Generative AI powers HubSpot’s next chapter of growth. As a Senior AI Engineer, you’ll operate at the intersection of AI, engineering, and product strategy. You’ll partner with marketers and leaders to turn ambitious ideas into scalable AI solutions, while bringing clarity to complex technical decisions. This role blends hands-on development with technical leadership—building production-grade systems and influencing how AI is applied across the business. What You’ll Do Design and deploy scalable, cloud-based architectures for AI-driven marketing applications. Lead AI research and development efforts from early exploration through production delivery. Partner with cross-functional stakeholders to translate business needs into testable AI solutions. Build and optimize data pipelines, retrieval systems (RAG), vector databases, and multi-agent workflows. Develop and maintain backend services and RESTful APIs using Java, Node.js, or Python. Own end-to-end solution design, including prototyping, testing, training, and support processes. Evaluate and prioritize AI initiatives based on feasibility, scalability, and business impact. Communicate technical concepts and strategic recommendations clearly to senior stakeholders. Document system architecture and best practices to ensure long-term scalability and maintainability. Mentor team members and guide adoption of emerging AI technologies. What You’ll Bring Required Qualifications 5+ years of professional software development experience or equivalent hands-on experience. 2+ years applying Generative AI technologies (LLMs, prompt engineering, RAG, multi-agent systems) in production environments. Experience with marketing technology ecosystems (e.g., CRMs, CDPs, workflow automation tools, or data warehouses). Strong experience building and consuming REST APIs and designing scalable backend systems. Working knowledge of cloud platforms such as AWS, GCP, or Azure. Experience with version control systems (Git) and modern development workflows. Strong communication skills with the ability to explain technical concepts to diverse audiences. Experience implementing testing strategies, including unit and end-to-end testing. Nice-to-Have Qualifications Experience mentoring or guiding other engineers. Familiarity with AI frameworks and tools (e.g., OpenAI APIs, LangChain, agent frameworks). Experience supporting or working within a marketing organization. Experience with HubSpot or similar marketing automation platforms. Background in Java development. Demonstrated curiosity and continuous learning mindset in emerging AI technologies. Where You’ll Work Location: United States Work location preference eligibility: Remote Travel/Shift: None Application Requirements Applications must be submitted by: Friday, May 15th at 12pm ET Applications must be submitted in: English Cover letters: Optional Pay & Benefits The cash compensation below includes base salary, on-target commission for employees in eligible roles, and annual bonus targets under HubSpot’s bonus plan for eligible roles. In addition to cash compensation, some roles are eligible to participate in HubSpot’s equity plan to receive restricted stock units (RSUs). Some roles may also be eligible for overtime pay. Individual compensation packages are tailored to your skills, experience, qualifications, and other job-related reasons. This resource will help guide how we recommend thinking about the range you see. Learn more about HubSpot’s compensation philosophy. Benefits are also an important piece of your total compensation package. Explore the benefits and perks HubSpot offers to help employees grow better. At HubSpot, fair compensation practices aren’t just about checking off the box for legal compliance. It’s about living out our value of transparency with our employees, candidates, and community. Annual Cash Compensation Range: $148,500—$222,800 USD We know the confidence gap and impostor syndrome can get in the way of meeting spectacular candidates, so please don’t hesitate to apply — 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. At HubSpot, we value both flexibility and connection. 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. We are committed to supporting candidates who may need alternative arrangements Massachusetts Applicants: It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability. Germany Applicants: (m/f/d) - link to HubSpot's Career Diversity page here. India Applicants: link to HubSpot India's equal opportunity policy here. About HubSpot HubSpot (NYSE: HUBS) is an AI-powered customer platform with all the software, integrations, and resources customers need to connect marketing, sales, and service. HubSpot's connected platform enables businesses to grow faster by focusing on what matters most: customers. At HubSpot, bold is our baseline. Our employees around the globe move fast, stay customer-obsessed, and win together. Our culture is grounded in four commitments: Solve for the Customer, Be Bold, Learn Fast, Align, Adapt & Go!, and Deliver with HEART. These commitments shape how we work, lead, and grow. We’re building a company where people can do their best work. We focus on brilliant work, not badge swipes. By combining clarity, ownership, and trust, we create space for big thinking and meaningful progress. And we know that when our employees grow, our customers do too. 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. Explore more: HubSpot Careers Life at HubSpot on Instagram HubSpot may use AI to help screen or assess candidates, but all hiring decisions are always human. More information can be found here. By submitting your application, you agree that HubSpot may collect your personal data for recruiting, global organization planning, and related purposes. We may use CLEAR ID Verification during the hiring process to confirm your identity and help maintain a safe, secure, and trusted experience for all candidates. Refer to HubSpot's Recruiting Privacy Notice for details on data processing and your rights.