Senior Data Engineer
First seen by Alion on Sep 24, 2026.
We are looking for a Data Engineer in Porto who's eager to embark on an exciting new opportunity!
About KWAN
We connect IT professionals with projects that match their skills, professional experience, and goals, then we offer a career progression program, delivered by in-house specialists - our People Experience Partners - to guide them through our journey with us.
What is this challenge about
• Design, construct, and maintain scalable data-driven architectures and end-to-end data pipelines, primarily across public cloud platforms.
• Manage and provision cloud infrastructure as code using tools like Terraform to ensure automated and repeatable deployments.
• Develop, optimize, and maintain complex data models, database structures, and Big Data processing workflows across multiple environments.
• Write efficient, production-grade code using languages such as Python, Java, JavaScript, or Scala to handle data transformations, ingestion, and system integrations.
• Evaluate, select, and implement optimal SQL and NoSQL database technologies tailored to specific business requirements, data structures, and performance needs.
• Orchestrate complex data workflows and pipeline dependencies, leveraging tools such as Apache Airflow to ensure reliable data delivery.
What we are looking for
• 5+ years of hands-on professional experience in data engineering roles.
• Proven experience working with public cloud platforms, with a specific focus on Amazon Web Services (AWS).
• Hands-on proficiency with Infrastructure as Code (IaC) tools, particularly Terraform.
• Strong coding ability in at least one core programming language, such as Python, Java, JavaScript, or Scala.
• Practical experience working with and building data-driven architectures, preferably within public cloud environments.
• Practical experience writing and optimizing querying languages, specifically SQL, for data extraction, manipulation, and analysis.
• Demonstrated experience with Big Data concepts, enterprise data modeling practices, and tools within the Big Data ecosystem (such as Hadoop, Cassandra, Apache Hive, and Apache Spark).
• Advanced knowledge across multiple SQL and NoSQL data environments, backed by a strong architectural understanding of why and when to select a specific storage or database solution.
• Experience with workflow orchestration tools like Apache Airflow is a significant plus.
• Fluency in English.
Do you meet most of the position requirements? Then grab this opportunity and apply now! https://form.typeform.com/to/PYqxT8NO?opportunity=Patricia%20Moura&channel=ITJobs
What we offer
• A project that matches your skills and ambitions, as well as your preferences for working policies and culture.
• A competitive salary with awesome benefits and opportunities to leverage your knowledge and network to earn additional income.
• An empowering and respectful work culture enriched with social and learning events.
• A People Experience Partner specially assigned to you - your go-to career guide, responsible for supporting your growth, facilitating training, and ensuring your work-life balance at KWAN.
• A relocation package and visa sponsorship for all our international hires.
Some Words From Our Colleagues
“At KWAN, they make sure that I feel comfortable with the client I’m working for and that what I’m doing aligns with my career aspirations.”
- Luis Caldeira, DevOps @ KWAN
Grab this opportunity, apply now! https://form.typeform.com/to/PYqxT8NO?opportunity=Patricia%20Moura&channel=ITJobs