HubSpot Implementation Specialist

Blend Marketing Ltd.; Reading; On-site; GBP 90,000 - 130,000; Full time

Job summary

BlendB2B Reading, England, United Kingdom is seeking a HubSpot Implementation Specialist to lead solution design and end‑to‑end HubSpot deployments for clients. You will drive discovery, architect data models and automation, and supervise a team through testing, training and adoption.

You will act as the primary technical authority, shaping scope before sale, ensuring delivery quality, and handing over systems with comprehensive documentation and enablement materials for client use.

Qualifications

• 4–6 years of hands‑on HubSpot implementation experience; lead end‑to‑end solution design.
• Experience leading discovery sessions and translating business requirements into designs and docs.
• Deep knowledge across at least three HubSpot Hubs (Marketing, Sales, Data).
• Solid experience with complex builds: branching workflows, custom actions, calculated properties, multi‑pipeline setups, custom objects.
• Experience with integrations: APIs, webhooks, and middleware (Zapier, Make).
• Strong documentation habits for clear designs, specs and handover materials.
• Track record of using AI tools to improve workflows and code generation.

Responsibilities

• Lead discovery with clients to map processes and identify HubSpot solutions.
• Design and own the build, including custom code, UI extensions and integrations.
• Oversee testing, QA, UAT, go‑live readiness and client enablement materials.
• Serve as primary technical contact; manage scope, timelines and expectations.
• Support colleagues by sharing patterns, reviewing work and setting technical standards.
• Apply design‑first thinking, ensuring data integrity and scalable architecture.

Skills

HubSpot implementation

Discovery sessions

Solution design

HubSpot Hubs knowledge

Custom-coded actions / UI extensions

APIs / Webhooks / middleware

Client-facing communication

Documentation habits

AI tools usage

Tools

Zapier

Make

Job description

HubSpot Implementation Specialist

BlendB2B Reading, England, United Kingdom

About this position

Blend is a B2B growth engineering company and HubSpot Diamond Partner. For over 15 years, we’ve helped mid-market B2B technology companies engineer predictable growth. Our team of 45+ specialists across the UK and US delivers GTM strategy, HubSpot architecture, demand generation and operational implementation - work that spans the full revenue lifecycle from first touch to expansion.

The role

You’ll lead HubSpot solutions design and implementation for Blend’s clients. That means running discovery, turning business requirements into system architecture, directing the build across HubSpot’s Hubs and AI tools, and seeing it through testing, training and adoption.

This isn’t a configuration role. You’ll start with the business problem and design the system to meet it: data models, automation architecture, pipeline design, integrations. You’ll personally handle some of the most technically complex parts of the build - custom-coded actions, UI extensions, agent configurations - while directing and quality‑assuring the build and development work done by the wider team. Then you’ll make sure the client can operate it.

You’ll be the primary technical authority on your engagements: the person clients trust to understand their operations and design a system that works. You’ll assist scoping work before it’s sold, own quality through delivery, and hand over systems with the training and documentation that set them up to be used.

What you’ll do

Solutions discovery and design

You’ll lead discovery with clients to understand their current operations, map their processes, and identify where HubSpot solves real problems. You’ll produce solution designs: data model, pipeline and lifecycle architecture, process flows, automation logic, and integration requirements - documents a non‑technical stakeholder can follow and a technical colleague can build from.

Build and implementation

You’ll personally handle the work that needs senior technical judgement: custom-coded actions, programmable automation, custom UI extensions, API integration specs, and agent configurations. For standard configuration - properties, lists, forms, basic workflows, routine reporting — you’ll brief the team, review their work, and make sure it holds together as one coherent system built to your design.

Across both, you’ll make sound architectural decisions: when to use native features, when to extend with code, and when to integrate with external systems. Data integrity runs through everything. You’ll design clean data structures and enforce the standards that keep the platform trustworthy as it scales.

Testing, enablement and adoption

You own quality from design through go‑live. You’ll generate the test plan against the solutions design, run QA, and review the team’s results. You’ll facilitate client UAT, triage and resolve defects, and manage go‑live readiness. Post‑launch, you’ll oversee and support client training and build enablement materials that support adoption – walkthroughs, reference docs, recorded sessions.

Client communication

You’ll be the primary technical contact on implementation engagements. You’ll run kick‑offs, discovery workshops, working sessions, status calls and some training sessions. You’ll present technical solutions to non‑technical stakeholders clearly and credibly, manage expectations on scope and timeline, and navigate the conversations that come up when requirements shift mid‑project.

Supporting colleagues

You’ll brief team members on the build, review their work against your design, and help them get better at what they do. That means sharing useful patterns, catching mistakes early, and explaining the reasoning behind architectural decisions so people learn from the work, not just execute it. This isn’t a formal management role, but you’ll help to set the standard the team builds to.

How you’ll think and work

Design‑first thinking

You start with the business problem, not the platform. You ask what the system needs to do before you decide how HubSpot does it. You produce solutions designs that are clear enough for a client to approve and precise enough for a colleague to build from.

Connecting build to strategy

You can trace every build element back to a business requirement. When a client describes a business problem, you can trace it through to the system design that addresses it and the reporting that measures whether it’s working. You understand where your work sits in the wider engagement and what it needs to deliver.

Quality ownership

You don’t hand off and hope. You approve the test plan, you run QA, you sit with the client during UAT. When something breaks, you triage it. When something’s ambiguous in the spec, you clarify it before it becomes rework.

AI fluency

You use AI tools to accelerate your own work: drafting specifications, generating workflow logic, writing custom code, building test scripts, producing documentation. And you’ll build and deploy agents and agent workflows when the need and opportunity arise.

What you bring

• 4–6 years of hands‑on HubSpot implementation experience, ideally at a Solutions Partner agency or consultancy. You’ve led end‑to‑end solution design, not just configuration. Or deep and comparable in‑house experience
• Experience leading discovery sessions and translating business requirements into solution designs and documentation
• Deep working knowledge across at least three HubSpot Hubs, with strong capability in Marketing Hub, Sales Hub and Data Hub
• Confidence with complex builds: branching workflows, custom‑coded actions, calculated properties, multi‑pipeline setups, custom objects
• Experience with integrations: APIs, webhooks, and middleware platforms (Zapier, Make or similar)
• Customer‑facing communication skills. You’ve run workshops, presented recommendations, and managed expectations in multi‑stakeholder situations
• Strong documentation habits. You produce clear solutions designs, specifications and handover materials without being asked
• HubSpot Solutions Architecture Design accreditation
• Experience with data migration, portal audits or platform consolidation projects
• Familiarity with revenue operations concepts: lead lifecycle design, attribution modelling, sales‑marketing handoff, pipeline reporting
• Experience scoping and estimating implementation work
• A track record of using AI tools, as solutions to business requirements and to improve own work.