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  • Expertise
      Increase your back office productivity
      Artificial Intelligence for the Industrial Sector
      Cutting edge whistleblowing platform 
  • Industries
      Smart retail stock optimization
      Automated KPI reporting flow
      Scalable retail data automation
      Automated data quality monitoring
      Real-time stock depreciation data
      Frequent sales data integration
  • Data Academy
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Let’s meet

Data Engineer – Tech Lead
Location:
Hybrid (Porto)
Experience:
Senior
Area:
Data & Analytics

We seek a Data Engineer – Tech Lead – willing to accept new challenges in our Closer team in a hybrid model (Porto).

Are you the one?

  • Use advanced knowledge of AWS Lambda, Glue, and Step Functions to build scalable solutions
  • Design robust architectures focused on performance, security, and cost optimization
  • Work with cloud networking (VPCs, subnets, security groups, routing tables)
  • Create efficient data models for fast queries
  • Manage and optimize ETL processes and integrations with Redshift, MySQL, and PostgreSQL
  • Implement and manage workflows with Apache Airflow and Step Functions
  • Analyze large datasets with Athena and maintain Iceberg tables
  • Lead the team, share knowledge, and ensure production best practices
  • Document solutions and constructively challenge requirements
  •  Solid experience with AWS (Lambda, Glue, Step Functions, CloudFormation, CloudWatch)
  • Strong knowledge of Python and SQL/NoSQL databases
  • Experience with orchestration and automation using Airflow and Step Functions
  • Familiarity with large-scale data and ideally Kafka
  • Experience with Iceberg Tables for efficient dataset management
  • Strong technical leadership skills and clear communication
  • Production awareness, troubleshooting skills, and continuous improvement mindset
  • Knowledge of Apache Flink, Kafka, or streaming technologies
  • Experience with serverless architectures
  • AWS, Azure, or similar certifications

 

We believe we are the ones too, by having:

  • 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
  • Several challenging complex projects
  • Stimulating teams and leaders
  • World-class Clients and Partners

 

Oh… and by the way, we also have:

If you believe in this match as much as we do, send us your CV to margarida.novais@closer.pt and reach the closer side of life.

Closer is a company that values diversity and inclusion. We are committed to fostering an environment where everyone is treated with dignity and respect, regardless of race, gender, beliefs, sexual orientation, physical or mental disability, or other personal characteristics.

At Closer, we embrace the unique perspectives and experiences that everyone brings, and we believe that it is a fundamental driver for the success we’ve achieved.

Closer is a company that values diversity and inclusion. We are committed to fostering an environment where everyone is treated with dignity and respect, regardless of race, gender, beliefs, sexual orientation, physical or mental disability, or other personal characteristics. At Closer, we embrace the unique perspectives and experiences that everyone brings, and we believe that it is a fundamental driver for the success we’ve achieved.

I want to apply

Fill up the form our team will get back to you within 24 Hours
Closer is a Data Science company specialized in Data Engineering, Business Intelligence and Artificial Intelligence.

© Closer 2025

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