Data Engineer in Test

Overview

We are looking for a Data Engineer who will be responsible for data quality across our data pipelines within the retail and
- commerce business domain. Your role will be to embed testing into transformations, define quality gates, and set up reliable validation methods to ensure trustworthy and reproducible datasets. In fact, you will be designing and maintaining
- modeled,
- grade data assets, keeping an eye on data health and SLAs, identifying and fixing issues with clear
- cause analyses, and enhancing documentation, observability, and alerting. You will work closely with analytics and business teams to convert requirements into verifiable data contracts and measurable quality outcomes. Although our core stack is dbt and Snowflake, we are more focused on good QA practices than on any specific tool.

Responsibilities

• Embed testing into data transformations and define quality gates.
• Design and maintain
  - grade data assets with attention to data health and SLAs.
• Identify and fix issues with clear
  - cause analyses; enhance documentation, observability, and alerting.
• Collaborate with analytics and business teams to translate requirements into verifiable data contracts and measurable quality outcomes.
• Promote good QA practices across data pipelines, independent of specific tooling.

Requirements

• Strong proficiency in SQL and solid experience with data modeling.
• A mindset where tests are treated as real code, with familiarity in schema validations, constraints, custom test logic, anomaly detection, and monitoring.
• Experience integrating tests into CI/CD workflows and working with version control.
• Knowledge of debugging, performance optimization, and incident resolution in data pipelines.
• A strong understanding of QA methodologies applied to data engineering.
• Experience or interest in DBT and/or Snowflake (nice to have, not mandatory).
• Awareness of privacy, security, and compliance topics within data environments.
• Strong communication skills and the ability to collaborate with technical and
  - technical stakeholders.

Benefits

• The Things We Really Care About:
  • Health Insurance, because health comes first
  • Flexible working hours
  • Open holidays, take the time you need for yourself
  • Profit distribution for everyone
  • Mindera Annual Trip, Sports, and sharing groups to connect and have fun!
  • Training & conferences, create your own training plan
  • Child Care vouchers
• Other Good Things:
  • Choose Laptop & Peripherals that best suit your needs
  • Hotspot with unlimited usage (PT), for work or Netflix ;)
  • We have amazing offices in Porto, Aveiro, and Coimbra if you want to physically connect with minders. Remote from Portugal is also an option. Remote from other Countries will depend on your current location and Projects
  • At the offices, we have a wide range of snacks to keep you fed and healthy
  • Partnerships with local businesses

Most of all you get to work with a bunch of great people, where the whole team owns the project together in a
- free environment. Our culture reflects our lean and
- organization attitude. We encourage our colleagues to take risks, make decisions, work in a collaborative way and talk to everyone to enhance communication. Freedom and Responsibility go hand in hand, and we value commitment, feedback, and empathy.

About Mindera

At Mindera we use technology to build products we are proud of, with people we love. Software Engineering Applications, including Web and Mobile, are at the core of what we do at Mindera. We partner with our clients, to understand their products and deliver
- performance, resilient and scalable software systems that create an impact in their users and businesses across the world. You get to work with a bunch of great people, where the whole team owns the project together. Our culture reflects our lean and self management attitude. We encourage our colleagues to take risks, make decisions, work in a collaborative way and talk to everyone to enhance communication. We are proud of our work and we love to learn all and everything while navigating through an Agile, Lean and collaborative environment. Check out our Blog and our Handbook!

Our offices are located: Porto, Portugal | Aveiro, Portugal | Coimbra, Portugal | Leicester, UK | San Diego, USA | San Francisco, USA | Chennai, India | Bengaluru, India | Cluj-Napoca, Romania | Blumenau, Brazil