Data Engineer, Python / PySpark

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Description

Data Engineer, Python / PySpark


Requirements

Assignment context

Data-engineering role focused on scalable batch and real-time pipelines, modern data platforms and production reliability. 

Key responsibilities

• Design, develop, test and deploy ETL/ELT pipelines using Python and PySpark.

• Optimise data storage and query performance across data lakes, warehouses and lakehouse formats such as Delta Lake or Iceberg.

• Apply software-engineering best practices, including maintainable code, reviews, CI/CD and unit testing.

• Implement monitoring, logging and alerting and resolve pipeline failures.

• Partner with data scientists, analysts and product stakeholders and optimise Spark workloads for performance and cost. 

Mandatory requirements

• Advanced Python, including object-oriented programming, pandas and testing frameworks.

• Strong practical Apache Spark / PySpark experience.

• Advanced SQL and relational databases such as PostgreSQL or MySQL.

• Experience with a data warehouse such as Snowflake, BigQuery or Redshift.

• Experience with at least one major cloud platform: AWS, GCP or Azure.

• Workflow orchestration using Airflow, Prefect or Dagster.

• Excellent written and spoken English. 

Experience

5–7 years


Benefits

Reembolso de certificações obtidas até o limite indicado
Fornecimento de equipamento informático para prestação do serviço
Seguro saúde ao consultor
Formação de idiomas: curso de inglês (ou outro idioma de interesse do projeto)
Suporte jurídico: custos dos *serviços advocatícios* necessários para o processo migratório
PLR – Prêmio anual de atingimento de metas (empresa e contrato)
Suporte contábil: apoio no pagamento de serviço de contabilista
Fatura "fechada". Receber 21 dias sempre, independente de feriados

Information

  • Date Posted: July 27, 2026
  • Location: Porto / Portugal
  • Experience: Senior (5+ years)
  • Job Type: Full Time
  • ID: BIZ-0001534
  • Apply now

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Working at Biz means being in an environment where the pace is fast, but the support from the team makes all the difference. It’s a place where we learn every day, even through challenges — and there are plenty of them! 😊

What I value most is the openness to share ideas, the spirit of teamwork, and the constant drive to improve processes. It’s not always easy, but it’s always an opportunity to grow.

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More than that, I feel useful, valued, and motivated to grow alongside the team. Thank you, Biz, for the opportunity!

Ana Nonato Data Analyst

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In my case, having moved from Brazil to Portugal, Biz has been more than just a workplace — it was a crucial pillar of support during my adaptation to a new culture. This environment gave me the strength to face the challenges of immigrant life with more ease and confidence.

I am immensely happy to be part of the Biz team and to contribute positively to the growth of the company and the amazing people who walk this journey with me.

Catlen Silva HR Supervisor

Working at Biz Was a Turning Point
I had never worked in a company focused on the IT sector before, so it posed a professional challenge for me. However, when I was contacted by one of the recruiters inviting me to a selection process, I was certain it was a place where I could learn and develop new skills...

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I am grateful to be part of this team, where there’s room for us to build together through support but, above all, respect. The diversity of ideas is truly inspiring and contagious.

Thais Vasconcelos Talent Acquisition Lead

Working at Biz Means Innovating Every Day
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What our employees say

Working at Biz means being in an environment where the pace is fast, but the support from the team makes all the difference. It’s a place where we learn every day, even through challenges — and there are plenty of them! 😊

What I value most is the openness to share ideas, the spirit of teamwork, and the constant drive to improve processes. It’s not always easy, but it’s always an opportunity to grow.

Joana Profano HR Administrator

I’m New to the Biz Team, and It’s Already Been an Amazing Experience!
Since day one, it’s been an incredible journey! The company has such a positive environment, with people always willing to help each other. I felt so welcomed right from the start, especially with the welcome gifts — #lovedit <3!

More than that, I feel useful, valued, and motivated to grow alongside the team. Thank you, Biz, for the opportunity!

Ana Nonato Data Analyst

Working at Biz Is Like Diving into a World of Opportunities
Here, we have the freedom to be creative, grow, and constantly learn through new experiences.

In my case, having moved from Brazil to Portugal, Biz has been more than just a workplace — it was a crucial pillar of support during my adaptation to a new culture. This environment gave me the strength to face the challenges of immigrant life with more ease and confidence.

I am immensely happy to be part of the Biz team and to contribute positively to the growth of the company and the amazing people who walk this journey with me.

Catlen Silva HR Supervisor

Working at Biz Was a Turning Point
I had never worked in a company focused on the IT sector before, so it posed a professional challenge for me. However, when I was contacted by one of the recruiters inviting me to a selection process, I was certain it was a place where I could learn and develop new skills...

Tatiane Santos HR Assistent

I’ve Been at Biz for Two Years, and I’m Very Proud of My Journey Here
This was my first 100% remote job, an opportunity I had always wanted that gave me geographic freedom. I was able to explore new places and cultures without giving up my work, which was transformative for both my personal and professional life...

At Biz, I’ve always had the space to contribute ideas and suggestions for improvement. The environment is collaborative, open to dialogue, and fosters innovation. I learn every day from a committed team and inspiring leaders who support our growth.

Daiany Leite Finacial Analyst

It’s the Kind of Job Where You Truly Dedicate Yourself Because You Believe in What You’re Doing Surrounded by people who have become your journey partners, it’s a fulfilling experience. At the end of each month, when you take a moment to reflect, you realize that beyond the financial return, you’ve gained more preparation, more confidence, and a professional and personal skillset that no one can take away from you.

Renata Fernandes Executive Board Assistant

It’s a Privilege to Be at Biz
More than just a place to fulfill our responsibilities, we find an environment of collaboration, a space to speak and be heard — in other words, a place to grow. Here, we encounter people who are humble rather than driven by egos.

I am grateful to be part of this team, where there’s room for us to build together through support but, above all, respect. The diversity of ideas is truly inspiring and contagious.

Thais Vasconcelos Talent Acquisition Lead

Working at Biz Means Innovating Every Day
It’s about challenging yourself and being valued for it. Here, we have a world of possibilities, and being in a space where collaboration is a core value makes all the difference in our daily lives at the company.

We feel appreciated, and we have a voice.

Pamella Berzoini Marketing Analyst

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