Hubspot Platform Specialist

About 1st Formations At 1st Formations, we empower entrepreneurs to start, run, and grow their businesses with confidence. Running a business shouldn’t be slowed down by company formation, statutory compliance, accounting, or payroll. From day one, these essentials should be seamless, reliable, and intelligently handled — freeing founders to focus on building and scaling. We’re a leading UK provider of company formation and compliance services, building a modern, fully integrated technology platform that supports founders at every stage of their journey. Our platform brings together formation, compliance, accounting, payroll, and ongoing business support in one cohesive experience. No stitched-together services. No legacy workflows disguised as software. Just a single, scalable platform built for ambitious founders who want to move fast, stay compliant, and grow with confidence. Why Join Us Now? You’ll be joining a business with strong momentum, clear direction, and real opportunity for progression. £18m annual revenue, including £9m ARR Over 1 million companies formed Certified B Corp and Carbon Neutral Business Forecast to grow 5x–10x over the next three years The Role HubSpot is core to how the business runs, spanning customer service, sales, retention, compliance and marketing. We're looking for someone who can both build on the platform and think strategically about it- writing custom code and integrations where standard configuration falls short, while keeping a clear view of HubSpot's evolving feature set to inform what we build next and why. This is a hands-on technical role with a strategic edge, sitting within the Operations Team and working closely with the Director of Operations to turn business problems into HubSpot solutions, and HubSpot capability into business opportunity. Key Responsibilities Technical delivery Design, build and maintain custom code on HubSpot (workflow actions, serverless functions, custom objects) and API-based integrations with t