Closer Consulting
Senior Data Analyst
Skills
9 days ago
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Important information
Contract type:
Freelance / Contract
Location:
Porto, Portugal
Work mode:
Hybrid
Published on:
14 October 2026
What they need
Mutual Respect, Empathy, Innovation, and Professional Pride. Do you see yourself within these values?
Founded in 2006 with the mission "To Challenge Complexity", Closer Consulting is a Data Science company specializing in Business Intelligence, Advanced Analytics, and Artificial Intelligence.
Developing projects in the most diverse industries – Banking, Telecommunications, Healthcare, Retail, Energy, Insurance, and Aviation, among others –, we have created an environment where the brightest enquiring minds feel at home, providing our people with the means, opportunities and support they need to thrive and innovate.
We seek a Senior Data Analyst willing to accept new challenges in our Closer team in a hybrid model (Porto):
🔹 Your main responsibilities:
- Engineering & ETL: Develop, optimize, and maintain ETL/ELT pipelines to extract, clean, and transform data from heterogeneous sources (databases, APIs, files, and cloud environments).
- Modeling & Optimization: Model and optimize databases in SQL Server by writing complex queries, stored procedures, and efficient views to support business analytics.
- Quality & Performance: Proactively ensure data integrity, consistency, and quality throughout the pipeline, guaranteeing high solution performance.
- Governance & Documentation: Document business rules, transformations, and data validation criteria.
- Business Alignment: Translate functional requirements and business needs into robust data models and clear KPIs.
- Innovation & Cloud: Explore and implement modern data solutions using cloud ecosystems (Azure / Microsoft Fabric).
🔹 What We’re Looking For (Mandatory Requirements):
- 4 to 5 years of experience in similar roles.
- Solid proficiency in SQL Server and SSIS (SQL Server Integration Services).
- Proven experience with ETL processes and data warehouse architectures.
- Knowledge and experience with Azure / Microsoft Fabric.
- Strong ability to identify, diagnose, and resolve data issues and performance tuning.
- Excellent communication skills, with the ability to interact easily with both technical and non-technical stakeholders.
- Problem-solving orientation and strong organizational skills.
🔹 We Also Value (Differentiating Factors):
- Experience developing reports and dashboards in Power BI and knowledge of DAX.
- Professional experience or knowledge in the automotive sector.
- Good command of English (spoken and written).
- Interest and curiosity in Artificial Intelligence applied to business.
- Familiarity with collaborative work tools and version control: GitHub, Jira, and Confluence.
🔹 We believe we are the ones to, by:
- Providing a multidisciplinary Team.
- Giving a home office kit with everything you need to perform remotely.
- Ensuring a career plan alongside professional growth.
- Providing you with a custom training plan.
- Helping you reach happiness.
🔹 Oh… and by the way, we also have:
- Several challenging complex projects.
- Stimulating teams and leaders.
- World-class Clients and Partners.
If you believe in this match as much as we do, send us your CV to [email protected] and reach the closer side of life.
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