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Senior ETL Developer

act digital

Location

Lisbon, Lisbon, Portugal

Salary

Not specified

Type

fulltime

Posted

Today

via linkedin

Job Description

What You’ll Be Doing As part of our collaborative IT team, you will:

  • Develop and implement advanced

T-SQL

procedures and functions, ensuring efficiency and scalability.

  • Write optimised

SQL

queries to integrate with other applications and manage end-to-end

ETL

processes.

  • Design robust database structures, tables, and objects.
  • Define and implement best practices, guidelines, and repeatable processes to drive efficiency and quality.
  • Design and build impactful

Power BI

reports and dashboards (Operational, Strategic \& Analytical) using

DAX

,

Power Query

, and advanced data modelling.

  • Deliver insights that help the business monitor KPIs and make informed, data-driven decisions.
  • Ensure the reliability and performance of developed reports and dashboards for both internal and external users.
  • Work with

Excel

,

Power BI

, and

PivotTables

to extract, transform, and analyse data effectively. What

We’re Looking For (Hard Skills):

  • Strong expertise in

T-SQL

(advanced level) and performance optimisation.

  • Solid experience with

ETL

processes.

  • Proficiency in developing and tuning

Power BI

dashboards, datasets,

DAX

, and

SQL

for optimal performance.

  • Basic knowledge of

Python

and

C#

.

  • Minimum 3 years of professional experience in an Enterprise environment OR 5 years in any industry sector.
  • At least a secondary school qualification (A-Levels or equivalent).
  • Fluency in English and Portuguese.

What Will Make You Stand Out (Soft Skills):

  • Self-motivated, proactive, and autonomous.
  • Strong analytical and critical thinking abilities.
  • A commitment to quality and testing excellence.
  • A team player, focused on achieving results.
  • Excellent communication and interpersonal skills, with the ability to collaborate across functions.

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