Data Engineer Data Engineer Porto, Portugal SpotLIGHT of the job You will join our team as a Data Engineer, responsible for developing, maintaining, and optimizing the infrastructure and systems that support data storage, processing, and analysis. In this role, you'll turn architectural blueprints into working solutions—building and managing data pipelines that ensure reliable, efficient, and secure data integration, transformation, and delivery across the organization. Responsibilities Design, build, and maintain scalable data pipelines to extract, transform, and load data from multiple sources. Collaborate with data scientists and analysts to optimize data quality, security, and governance within data workflows. Integrate diverse data sources—including databases, APIs, and external systems—ensuring data consistency and integrity. Apply data cleansing, aggregation, filtering, and enrichment techniques to transform raw data into usable formats. Optimize data processing workflows for performance, scalability, and operational efficiency. Implement DevOps practices such as CI/CD, version control, automated testing, and documentation to maintain high code quality. Monitor data systems to identify and resolve bottlenecks, using caching and indexing strategies to enhance query performance. Embed data quality checks and validations within pipelines to ensure accuracy, consistency, and completeness. Work closely with stakeholders to define and support the vision of data as a critical business asset. Skills & Experience Bachelor’s or Master’s degree in Computer Science, Data Science, Software Engineering, Information Systems, or a related quantitative field. 6+ years in data management disciplines, including data integration, modeling, optimization, and quality. Proven track record developing and maintaining data warehouses and big data solutions Expert in Apache technologies such as Kafka, Airflow, and Spark for building scalable data pipelines. Proficient in programming languages like Java, Python, and C/C++. Skilled in data science and query languages/tools such as SQL, R, SAS, and Excel. Experienced with cloud platforms (AWS, Azure) and modern data warehouse tools (Snowflake, Databricks). Familiar with database technologies including SQL, NoSQL, Hadoop, and Teradata. Solution Design: Ability to design, build, and deploy data solutions supporting AI, ML, and BI use cases. Collaboration & Communication: Strong interpersonal skills; able to work across technical and business teams Analytical & Problem Solving: Expert debugging and troubleshooting skills to identify and resolve issues in complex systems  Business Acumen: Able to articulate business use cases, data management concepts, and analytical strategies clearly What we offer Flexible working hours and possibility to work 2 days a week from home office Numerous opportunities for further development in an innovative and empowering company. Great team that will support you in any situation. Private health insurance a healthy work-life balance. What matters to us We understand not only the power of the visible, but also the invisible. Like light, diversity is intangible, but it is perceptible. We value the uniqueness of every person and see this as a driver of innovation. Qualified applicants will be considered regardless of, for example, origin, skin color, gender, religion, age, sexual orientation, gender identity/expression or disability. As the contact person for this position, a great candidate experience is important to me! I will reach out to you within 7 days. Please inform me of any assistance you may need, so I can best support you throughout the hiring process. Talent Acquisition Partner Milos Mladenovic T +381 64 835 7708 Who we are At the Zumtobel Group, we are passionate about designing and producing light that empowers humans and brings architecture to life. We continuously push the boundaries in our search for perfection through timeless design, technical excellence and efficient performance. Through light, we create spaces that inspire. As we develop the next generation of lighting, we consider the wellbeing of people and nature. Our lighting is designed for our customers and their individual aspirations. We guide them into a new world of opportunities – as a group, and through all our individual brands, Thorn, Tridonic and Zumtobel. Learn more about our Group in our enlightening video - where WE LIVE LIGHT and thrive together! The result is a series of personal and authentic insights into our corporate culture - illustrated from different perspectives. Follow us: WE ARE PASSIONATE ABOUT LIGHT. We share a passion for light, creating aesthetic, functional, and sustainable lighting solutions that enhance quality of life. WE ARE EXCITED ABOUT CREATING INNOVATIVE LIGHTING SOLUTIONS FOR A SUSTAINABLE FUTURE. Sustainability and innovation drive everything we do — shaping a responsible, climate-neutral future. WE ARE INTERNATIONAL AND PERSONAL AT THE SAME TIME. While we have grown from a family business into a global organization, our collaborative spirit and familial culture remain integral to our identity. APPLY HERE