HubSpot/GCP Data Engineer (Contract)

Harnham is partnered with an innovative, high-growth business that is looking for a Data Engineer / Analytics Engineer to support the evolution of its data platform and reporting capabilities.

This is a fantastic opportunity to join a business that has already established a strong B2B data foundation and is now investing heavily in expanding and optimising its B2C data capabilities.

You'll play a key role in enhancing the company's existing data ecosystem, with a particular focus on improving data quality, reporting, and platform performance within GCP.

Key responsibilities include:

• Optimising existing HubSpot integrations to improve data quality and reliability.
• Enhancing reporting capabilities through improved data pipelines and flows into Google Cloud Platform (GCP).
• Supporting the expansion of existing B2B data infrastructure to accommodate growing B2C requirements.
• Helping evolve and optimise the current GCP platform to ensure it is fit for future growth.
• Working closely with business stakeholders to deliver meaningful insights and scalable data solutions.

• Strong experience with Google Cloud Platform (GCP).
• Advanced SQL skills.
• Strong Python development experience.
• Commercial experience working with BigQuery.
• Experience integrating and working with HubSpot data.

• Experience with Salesforce.
• Exposure to Data Science or advanced analytics projects.

• AWS or Azure-centric backgrounds are not a priority for this position.
• Kubernetes and Dataproc experience are not required.

We're looking for a hands-on data professional who enjoys working within agile, growing organisations and can help drive improvements across a developing data landscape.

The ideal candidate will have:

• Experience working within scaling or high-growth businesses.
• A pragmatic, solution-focused approach.
• Strong stakeholder engagement and communication skills.
• The ability to work effectively within a lean, technology-focused environment.

Industry background is flexible; our client is prioritising capability, impact, and technical excellence over sector-specific experience.

• Established data platform with a focus on further optimisation and expansion.
• Lean technology team where you'll have genuine influence over the platform's direction.
• Opportunity to work across both engineering and analytics-focused initiatives.
• Collaborative culture with direct access to senior stakeholders.

• Contract Length: 6 months
• Location: Hybrid working
• On-site Requirement: 2 days per week split between London Bridge and Kingston
• Day Rate: £480-£500
• IR35 Status: Expected to be Outside IR35 (subject to final confirmation)

Stage 1: Hiring Manager interview

Stage 2: Technical case study / whiteboarding session

If you're an experienced Data Engineer or Analytics Engineer with strong GCP and HubSpot expertise and are looking for your next contract opportunity, please apply today.