Data Engineer (Permanent contract and Freelance)

Data Engineer (Permanent contract and Freelance) I'm applying now Passionate about tech, digital, and innovation? Join the 1,800 employees at Smile, the European leader in open-source integration, spread across 20 agencies in 9 countries. Collaborative spirit and knowledge sharing are at the heart of our DNA. Our experts push the boundaries of open source every day to build a smarter, more efficient, and more responsible digital world. Here, we don't just follow trends, we create them! 🌟 Join Smile in Brussels and take part in projects that truly matter! 🏆 As a Data Engineer... You are the master builder of our data foundations and the engine behind our digital intelligence! Based in our vibrant Brussels agency, your mission is to design, build, and maintain the robust data architectures that power our clients' most innovative open-source projects. On a daily basis, you will: Design and implement scalable data pipelines (ETL/ELT) to extract, transform, and load data seamlessly from diverse and complex sources. Build and optimize high-performance data architectures, including data lakes and data warehouses (such as PostgreSQL, Snowflake, or Cloud-native solutions). Develop and maintain automated data workflows using modern orchestration tools like Apache Airflow or Dagster. Collaborate closely with Data Analysts, Architects, and Software Engineers to ensure data is highly accessible, reliable, and tailored to business needs. Ensure strict data security, governance, and compliance with industry best practices and GDPR regulations throughout the entire lifecycle. Monitor and troubleshoot data infrastructure performance, proactively identifying and resolving bottlenecks to maintain maximum efficiency. Your profile Holding a Master's degree in Computer Science, Data Engineering, or a related technical field, you have at least 3 years of proven experience as a Data Engineer in agile environments. You are highly proficient in programming languages such as Python, Scala, or Java , and you possess an advanced mastery of SQL . You have solid, hands-on experience with modern data processing frameworks (like Apache Spark or Kafka) and cloud platforms (AWS, GCP, or Azure). You are comfortable with DevOps best practices, version control (Git), CI/CD pipelines, and containerization/infrastructure tools ( Docker, Kubernetes, Terraform ). Endowed with excellent problem-solving skills , you are rigorous and always eager to explore new open-source data technologies. Your collaborative spirit, adaptability, and fluency in English (along with French or Dutch) make you an ideal partner to tackle ambitious challenges in our international Brussels context. Ready to take on a new challenge in the heart of Europe? Come and express your talent in a caring environment at Smile Brussels where your ideas will make a real impact! Why Smile! 😊 Our proximity management by peers fosters dialogue and the implementation of a tailored career path. Because the digital sector is in constant motion, Smile is committed to making you an expert in your field , thanks to a comprehensive training offer: access to an e-learning platform, financing of certifications, knowledge-sharing tools... Your year will be animated by group and agency events : annual convention, participation in trade fairs, summer party, formal & informal afterworks. The next steps 🚀 First contact: A phone call to discuss your aspirations and what we can offer you. Meeting: An opportunity to get to know each other and explore your professional background. Business interview: A discussion with one of our experts to assess your skills and define your goals. Welcome to the team! And if it's a match between us, we will be delighted to welcome you for an exciting adventure. So, ready to join the team? 😉 Brand Smile Role Data & IA - Région Locations Brussels Remote status Hybrid Contract type Freelance