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Senior Software Engineer I

Job Overview

Location

Massachusetts, USA

Job Type

Full-time

Category

Software Engineer

Date Posted

February 24, 2026

Full Job Description

đź“‹ Description

  • • Join HubSpot's dynamic Ecosystem organization as a Senior Software Engineer I, focusing on backend systems that are the backbone of our thriving marketplace. You will play a pivotal role in developing and maintaining the applications, integrations, and partner solutions that empower thousands of our customers to leverage HubSpot to its full potential.
  • • This is an opportunity to move beyond simply executing tasks. As a Senior Backend Engineer, you will be entrusted with significant ownership of critical systems, operating with a high degree of autonomy. You will actively contribute to shaping our development practices, ensuring the creation of reliable, scalable, and robust services that are depended upon by both internal teams and our external customer base.
  • • We are seeking talented backend engineers who possess a strong blend of deep technical expertise and a keen understanding of product strategy. Your passion for building high-quality software will be matched by your curiosity about the 'why' behind our work, ensuring that your contributions align with customer needs and business objectives.
  • • You will be responsible for the entire lifecycle of features and systems, from initial design and architectural planning through to implementation, testing, deployment, and ongoing maintenance. This end-to-end ownership ensures that you have a comprehensive understanding of the impact of your work and the ability to drive projects to successful completion.
  • • Collaborate closely with cross-functional teams, including Product Managers, Designers, and fellow engineers, to translate complex requirements into elegant and effective technical solutions. Your ability to communicate clearly and effectively will be crucial in fostering a cohesive and productive working environment.
  • • Make informed and strategic technical decisions, carefully balancing competing priorities such as system reliability, performance optimization, and the overall customer experience. Your judgment will be key in navigating trade-offs and ensuring that our systems meet the highest standards.
  • • Proactively identify and implement improvements to enhance system quality, resilience, and overall stability. This includes addressing technical debt, optimizing existing code, and implementing best practices to ensure our platform remains robust and scalable.
  • • Elevate the developer experience by contributing to tools, processes, and documentation that make it easier and more efficient for engineers to build, test, and deploy software. A focus on developer productivity is essential for maintaining a high-performing engineering team.
  • • Mentor and guide junior engineers, sharing your knowledge and experience to foster their growth and development. Contribute to building and maintaining a positive, collaborative, and high-performing team culture where knowledge is shared freely and innovation is encouraged.
  • • Depending on the specific team and project, your responsibilities may also include building foundational backend systems that form the core of HubSpot's expansive marketplace ecosystem. This could involve developing APIs, data pipelines, and other critical infrastructure components.
  • • You may also be involved in developing sophisticated automation and workflow solutions designed to streamline the process of bringing new products and features to our customers safely and efficiently, ensuring a smooth and positive user experience.
  • • Contribute to the development and enhancement of systems that leverage cutting-edge AI and automation technologies to further improve the quality, speed, and efficiency of our product delivery and customer support.
  • • This role offers significant potential for professional growth, with clear pathways to advance into leadership positions such as Technical Lead or Senior Software Engineer II, as you expand your scope of influence and the impact of your contributions within the organization.
  • • You will work in a hybrid model, spending 2-3 days per week in our Cambridge, Massachusetts office, fostering collaboration and team connection while maintaining flexibility.
  • • Embrace HubSpot's core values: Solve for the Customer, Be Bold, Learn Fast, Align, Adapt & Go!, and Deliver with HEART. These principles will guide your work and your interactions within the company.
  • • Contribute to a culture that values brilliant work over strict adherence to schedules, fostering an environment of trust, ownership, and autonomy where big thinking and meaningful progress are the norm.

Skills & Technologies

Java
Senior
Remote

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About HubSpot, Inc.

HubSpot is a developer of cloud-based CRM software for marketing, sales, customer service, and operations. Founded in 2006 and headquartered in Cambridge, Massachusetts, the company offers integrated tools that help businesses attract visitors, convert leads, close deals, and manage customer relationships. Its platform includes email automation, content management, analytics, and AI features, serving over 194,000 customers in more than 120 countries.

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