Freelancer Data Analyst & Dashboard Developer (m/f/d) SQL expertise & strong business understanding at Certania in Remote

Job Description - Freelancer Data Analyst & Dashboard Developer (m/f/d) SQL expertise & strong business understanding

Überblick

About CERTANIA:

CERTANIA is a fast-growing international group of companies active in Testing, Inspection, Certification (TIC), and Research. Our mission: to create certainty in the fields of health and sustainability. As a holding, we integrate and support around 35 medium-sized partner companies, helping them grow through data, digitization, and sales excellence.

Your Role:

As a Freelance Data Analyst & Dashboard Developer, you will build clear, meaningful dashboards to support sales controlling and later finance and other strategic areas across our group of companies. You will work closely with the central data team, sales experts, and business stakeholders to turn raw data into actionable insights using SQL and popular visualization tools. Your dashboards will help decision-makers identify patterns, manage performance, and drive results.

Your mission

our Responsibilities:

Develop, manage, and optimize dashboards for sales controlling across the CERTANIA group.
Collaborate with the data engineering team to aggregate, clean, and prepare data sets in SQL.
Translate business requirements into clear data models and visualizations.
Use tools such as Metabase, Power BI, Looker, or comparable platforms to deliver insights.
Maintain and continuously improve dashboards based on feedback and evolving needs.
Ensure data accuracy, consistency, and accessibility across the reports.
Participate in cross-functional workshops with business and sales teams to define KPIs and reporting logic.
Expand dashboarding capabilities into finance, operational, and performance topics over time.

Your profile

Your Profile:

Minimum 3 years of experience as a Data Analyst or Business Intelligence Developer.
Strong SQL skills, including data aggregation, joins, and data preparation.
Hands-on experience with visualization tools such as Metabase, Power BI, Tableau, or similar.
Ability to structure complex data in a user-friendly and business-relevant way.
Strong understanding of sales and/or financial data is a plus.
Comfortable working with both technical and non-technical stakeholders.
Analytical mindset with a high attention to detail and data quality.
Fluent in English, German is a strong plus.

Why us?

What We Offer:

Project ownership with real business impact across multiple companies.
Agile collaboration with digital, sales, and finance teams.
Long-term collaboration opportunity in a growing, data-driven organization.
Flexible remote setup and working hours.
Exposure to diverse use cases across multiple industries and business models.

...questions? Feel free to contact us!

What We Offer:

Project ownership with real business impact across multiple companies.
Agile collaboration with digital, sales, and finance teams.
Long-term collaboration opportunity in a growing, data-driven organization.
Flexible remote setup and working hours.
Exposure to diverse use cases across multiple industries and business models.

Interested?
We look forward to your short profile, a sample dashboard or portfolio (optional), and your earliest availability.

???? Contact: Tina Turner, Director Digital & Sales Systems
???? [email protected]

About us

Under the umbrella of CERTANIA Holding GmbH, a new global player in the fields of testing, inspection, and certification is emerging. With our services, we provide assurance in the areas of health and sustainability. As a holding company, we offer a home to medium-sized enterprises as partners, bringing them together to form a new whole and thereby creating a new global corporate group.

About the Company

Certania

Freelancer Data Analyst & Dashboard Developer (m/f/d) SQL expertise & strong business understanding