Hubspot

Building the Bridge: How HubSpot's Developer Community Turned Solo Struggles Into Shared Growth

with Jennifer Nixon,
Developer Community Manager, Hubspot

Mentorloop Impact Award Winner 2026

If you run a large, technical developer or partner ecosystem, this will feel familiar: an engaged community, a genuinely complex platform to learn, and support that happens informally — in Slack threads, forum replies, and one-off favors — because there’s no structured way to connect people who need guidance with people who can give it.

Documentation can answer “how does this work.” It can’t answer “what should I do next, and how do I grow from here?” That was the gap HubSpot’s developer community team kept running into, across apps, integrations, CRM customization, CMS development, and increasingly, AI tools and agents. There are so many paths to build on the platform that the real bottleneck was never information — it was direction.

“The documentation can’t really answer the question: what should I do next, and how do I grow from here?” says Jennifer Nixon, Developer Community Manager at HubSpot. The gap became personal during the program’s pilot, when a mentee shared that mentorship was the only way he could access that kind of hands-on experience outside of a formal internship. That reframed the mission entirely: this was never just about answering technical questions. It was about giving people access to lived experience and a clear path forward in an ecosystem too large to self-navigate.

The results, at a glance

An always-on model, not one more program to run

The usual objection to mentoring at this scale is bandwidth: who has time to run a nine-month cohort for hundreds of participants, on top of everything else a community team already owns? HubSpot’s team faced exactly that – and instead of scaling up one long, resource-heavy cohort, they replaced it with three smaller “mini cohorts” running two flexible pathways: self-paced mentorship for those who want to move at their own speed, and short, topic-focused guided cohorts built around whatever the ecosystem needs most right now (most recently, building with AI).

That structural change is what made the growth possible without a heavier team. The first mini cohort brought together 32 participants across 18 loops, with an 84% match rate. The second grew to 83 participants and 48 loops, lifting the match rate to 90% – with every applicant included in a group loop, so no one who showed up was left without a connection. That’s 2.5x growth in four months, and the team is already on track to outpace it with the third cohort.

Where programs like this usually break - and how HubSpot avoided it

At this scale, matching quality is usually where mentoring programs quietly fall apart. Geography and skill-level mismatches leave loops that never really get going — mentees ghost, mentors disengage, and the whole program starts to feel like a well-intentioned experiment rather than something people can rely on.

Smart Match let HubSpot’s team get ahead of that. Rather than matching on generic work experience alone, they layered in custom rules specific to their ecosystem: HubSpot-specific software experience, and time zone proximity. Capping the time zone gap at five hours all but eliminated loops closing due to scheduling conflicts – a single rule change that had an outsized effect on a community spanning more than 40 countries. It’s the kind of problem that looks small until you’re trying to run it manually across dozens of time zones with a small team.

The impact, beyond the metrics

Ask Jennifer for a single defining moment, and she’ll tell you there isn’t one — there’s a collection of them, many now captured in the team’s “Built Together” newsletter series on LinkedIn. Mentees have used what they’ve learned to transform internal operations and drive real revenue growth. Others have built in an hour what used to take a week, using AI. And at the closing celebration for each cohort, when everyone comes together to share what they’ve learned and built, Jennifer says the proof is written on people’s faces.

"What we've built goes beyond software. The mentorship program has become the heart of the community."

For a global technical community, that combination — less operational strain on the team, higher match quality, full inclusion for everyone who shows up, and a program members actively want to be part of — is what turns mentorship from a nice-to-have into a genuine growth lever for the ecosystem as a whole.

Jennifer's advice for anyone starting a mentoring program:

"Design the program around what participants need help with right now and the human-centric outcome you want to create for them. Your program should evolve with your membership."

Jennifer Nixon

Developer Community Manager, Hubspot

Share this Article

Join the loop

Get updates and learn from the best mentoring programs

"One of our mentees in the pilot shared that mentorship was the only way he could get the right type of experience outside of an internship. That helped us see that this wasn't just about answering technical questions - it was about giving people access to lived experience and providing a clear path forward in the ecosystem."

– Jennifer Nixon, Developer Community Manager, Hubspot

You might also like:

What Role Does Equity and Equality Play in Your Mentoring Program?

The right mentoring program should level the playing field to empower entire cohorts of people: workplaces, member associations, social groups and educational institutions. Equality should be a cherished value so that every individual can thrive—whoever they are, whatever their background, however they worship or whomever they love. But we can’t arrive at equality without it’s often forgotten partner, equity.

What does a Mentoring Program Coordinator do?

Being a Mentoring Program Coordinator is an incredibly rewarding experience that positively impacts the lives of many. And while mentoring programs don’t fully run themselves (even though Mentorloop can do a great deal of the heavy lifting!), they do require a point of contact that can steer the program in the right direction for the organisation that is running one.

Building Quality Feedback Into Mentoring Relationships

This is Part 8 of our 10-part series on the 10 Key Qualities and Habits of a Highly Effective Mentor.

In this post, we’ll look at how mentors can successfully build quality feedback into their mentoring. Quality feedback is priceless because it clarifies expectations, helps people learn from their mistakes, and builds confidence. It also allows mentees to more effectively take what their mentors say and turn it into action.

Discover why
people leaders
choose Mentorloop

Mentorloop is trusted by over 100,000 people worldwide

Join other organisations unlocking the power of mentoring