Senior Data Analyst

Harnham; Randstad; On-site; EUR 50,000 - 70,000; Full time

Benefits offered by this job

Competitive salary

Comprehensive benefits package

Collaborative work environment

Strong career progression

Access to modern data tools

Job summary

Harnham is looking for a Data Analyst to join their high-impact data team in the Netherlands. This role involves partnering with product, marketing, and commercial teams to analyze and deliver insights that drive decision-making processes.

The ideal candidate will have strong experience in data analysis, advanced SQL skills, and proficiency in Python. Working in a collaborative environment, you will influence product strategy and enjoy a competitive salary and benefits package.

Qualifications

• Strong commercial experience in data analysis within a product-led digital environment such as e-commerce or marketplaces.
• Advanced SQL skills, including working with complex datasets and optimised queries.
• Hands-on experience with Python for analysis, modelling, or automation.
• Familiarity with modern cloud data platforms such as BigQuery, Databricks, or AWS.
• Experience using BI tools such as Tableau to create impactful dashboards.
• Strong understanding of key business concepts including customer lifecycle, monetisation, and growth metrics.
• Confident communicator with the ability to influence stakeholders and translate data into business value.
• Comfortable working in ambiguous environments and proactively identifying opportunities.

Responsibilities

• Partner with product, commercial, and marketing stakeholders to define analytical priorities and deliver insights.
• Translate ambiguous business questions into structured analysis and actionable outcomes.
• Build dashboards and reporting that focus on meaningful KPIs across revenue, growth, and customer behaviour.
• Analyse large-scale datasets to identify trends, risks, and opportunities.
• Influence stakeholders at all levels through communication of insights.
• Support experimentation and measurement strategies to improve performance.
• Collaborate with data and engineering teams to improve tracking and data quality.

Skills

Data analysis in product-led environments

SQL skills

Python for analysis

Cloud data platforms (BigQuery, Databricks, AWS)

BI tools (Tableau)

Business concepts (customer lifecycle, monetisation)

Communication and influencing skills

Ability to work in ambiguous environments

Job description

This is an opportunity to join a high-impact data team at the heart of a large-scale digital platform. You will work on complex, real-world problems that directly influence product direction, commercial strategy, and customer experience. This role offers strong exposure to senior stakeholders and the chance to shape how data drives decision-making across the business.

The Company

They are a leading digital platform operating at scale across a high-traffic consumer marketplace. With millions of monthly users, they enable both individuals and businesses to connect, transact, and grow. Their product spans mobile and web, and they operate in a fast-paced, data-rich environment. Data plays a central role in how they optimise user experience, monetisation, and long-term growth.

The Role

• Partner with product, commercial, and marketing stakeholders to define analytical priorities and deliver insights that drive decision-making
• Translate ambiguous business questions into structured analysis and actionable outcomes
• Build dashboards and reporting that focus on meaningful KPIs across revenue, growth, and customer behaviour
• Analyse large-scale datasets to identify trends, risks, and opportunities across the platform
• Influence stakeholders at all levels through clear and compelling communication of insights
• Support experimentation and measurement strategies to improve product and commercial performance
• Collaborate with data and engineering teams to improve tracking, data quality, and metric definitions

Your Skills & Experience

• Strong commercial experience in data analysis within a product-led digital environment such as e-commerce or marketplaces
• Advanced SQL skills, including working with complex datasets and optimised queries
• Hands-on experience with Python for analysis, modelling, or automation
• Familiarity with modern cloud data platforms such as BigQuery, Databricks, or AWS
• Experience using BI tools such as Tableau to create impactful dashboards
• Strong understanding of key business concepts including customer lifecycle, monetisation, and growth metrics
• Confident communicator with the ability to influence stakeholders and translate data into business value
• Comfortable working in ambiguous environments and proactively identifying opportunities

What They Offer

• Competitive salary and comprehensive benefits package
• A collaborative, cross-functional working environment
• Opportunity to influence business and product strategy at scale
• Strong career progression and exposure to senior leadership
• Access to modern data tools and technology