Senior Software Engineer II, Frontend - Customer Journey Activate

This role can be Office/Hybrid/Remote based within the UK

About the Team

The Customer Journey Activate group focuses on the onboarding and activation of new customers and users at HubSpot. We build the experiences that help customers realise value quickly - from product-led growth surfaces to AI-first onboarding journeys for our Pro customers.

Whichever team you join, you’ll work on high-impact frontend systems that shape a customer’s first experience with HubSpot - ensuring it’s intuitive, personalised, and value-driven.

What You’ll Do

As a Senior Software Engineer II, you will:

• Design and build scalable, high-quality frontend applications that power onboarding and activation experiences.

• Lead the technical direction for complex UI systems, ensuring performance, accessibility, and maintainability at scale.

• Partner closely with product, design, AI, and backend teams to deliver intelligent, data-driven user experiences.

• Translate customer problems into elegant frontend solutions that reduce friction and accelerate time-to-value.

• Contribute to shared component libraries and internal tooling that enable consistent, product-led growth patterns across HubSpot.

• Improve performance, reliability, and observability of frontend systems in a fast-moving environment.

• Mentor other engineers and contribute to the long-term technical strategy of the Activate product area.

We’re Looking For Someone Who

• Has strong frontend engineering experience, ideally with modern JavaScript frameworks (e.g., React) and TypeScript.

• Has built and maintained complex, user-facing applications at scale.

• Brings a strong product mindset — balancing technical excellence with customer empathy.

• Has experience designing reusable component systems or working within a design system.

• Is thoughtful about performance, accessibility, and UX quality.

• Is comfortable collaborating across disciplines in ambiguous, evolving product spaces.

• Makes pragmatic, data-informed decisions in fast-paced environments.

Nice to Have

• Experience building onboarding, activation, or product-led growth experiences.

• Exposure to AI-powered or personalization-driven UI experiences.

• Familiarity with experimentation frameworks or A/B testing.

• Experience working in micro-frontend or distributed frontend architectures.

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. Refer to HubSpot's Recruiting Privacy Notice for details on data processing and your rights.