Data Engineer | GCP + BitQuery + Looker + (Salesforce) | Outside IR35 Contract

Arrows; Greater London; On-site; GBP 65,000 - 74,000; Part time

Job summary

Arrows is hiring a Data Engineer to join a specialist Data and Tech Solutions team in a media/marketing setting. You will build infrastructure powering campaign planning, activation and reporting across advertising, analytics and CRM data sources.

The role requires hands-on GCP, BigQuery, Looker and Salesforce experience, with strong SQL and Python, ETL/ELT pipelines, API integration and stakeholder management. 3 days onsite in Central London; initial 2–3 month engagement.

Qualifications

• GCP hands-on production experience.
• BigQuery data modelling and pipeline design experience.
• Looker dashboard/reporting delivery; LookML preferred.
• Salesforce Marketing Cloud/CRM data sync or campaign automation experience.

Responsibilities

• Build and maintain data infrastructure powering campaign planning, activation and reporting across advertising, analytics and CRM sources.
• Collaborate with stakeholders across multiple projects in a data-driven environment.
• Configure and integrate APIs across data sources and ensure data quality.

Skills

GCP

BigQuery

Looker

Salesforce

SQL

Python

ETL/ELT

APIs

Marketing metrics

Stakeholder management

Tableau/Power BI

Data clean rooms

Agency/media background

Tools

LookML

Job description

3 days/week, 3 days onsite, Central London | £350–£400/day Outside IR35 | Initial 2/3 month engagement

About the Role

We're looking for a Data Engineer to join a specialist Data and Tech Solutions team within a media/marketing environment, building the infrastructure that powers campaign planning, activation, and reporting across advertising, analytics, and CRM data sources.

Essential Requirements - candidates must have ALL of the following:

• Google Cloud Platform (GCP) hands-on, production experience building and running data infrastructure on GCP
• BigQuery strong, current experience designing, building, and optimising data models/pipelines in BigQuery
• Looker hands-on dashboard/reporting delivery in Looker (LookML experience preferred)
• Salesforce genuine integration experience with Salesforce Marketing Cloud and/or Salesforce CRM (data sync, campaign automation, or audience segmentation)

Also required:

• Strong SQL and Python
• Experience building/maintaining ETL/ELT pipelines
• Comfortable configuring and integrating APIs across multiple data sources
• Understanding of marketing/media metrics and the ad/martech landscape
• Ability to manage stakeholders and work independently across multiple projects

Nice to have:

• Experience with Tableau or Power BI (in addition to Looker)
• Experience with data clean rooms and 1st-party audience integration
• Agency or media-industry background

Logistics:

• 3 days per week, all 3 days onsite (Central London)
• Initial 2-month engagement, likely to extend