Summary: Ciklum is seeking a Senior Data Engineer to join a cross-functional development team engineering experiences of tomorrow, focusing on building, deploying, and maintaining mission-critical analytics solutions at big-data scales. Highlights: 1. Work on large-scale projects that redefine industries with international clients 2. Boost your skills with regular internal events, Udemy, language courses 3. Join a friendly team with an open-door policy and informal atmosphere **Ciklum** is looking for a **Senior Data Engineer** to join our team in Spain. We are a custom product engineering company that supports both multinational organizations and scaling startups to solve their most complex business challenges. With a global team of over 4,000 highly skilled developers, consultants, analysts and product owners, we engineer technology that redefines industries and shapes the way people live. **About the role:** As a Senior Data Engineer, you'll become a part of a cross\-functional development team engineering experiences of tomorrow. **Responsibilities:** * Responsible for the building, deployment, and maintenance of mission\-critical analytics solutions that process terabytes of data quickly at big\-data scales * Contributes design, code, configurations, manage data ingestion, real\-time streaming, batch processing, ETL across multiple data storages * Performs development, QA, and dev\-ops roles as needed to ensure total end\-to\-end responsibility of solutions * Responsible for performance tuning of complicated SQL queries and Data flows * Identify gaps and improve the platform’s quality, robustness, maintainability, and speed * Cross\-train other team members on technologies being developed, while also continuously learning new technologies from other team members * Contribute in the Unit’s activities and community building, participate in conferences, and provide excellence in exercise and best practices **Requirements:** * 5\+ years of experience coding in SQL, Java, Python, Scala, with solid CS fundamentals including data structure and algorithm design * Experience in Real\-Time Analytics with Apache Flink * Batch processing with Apache Spark * Experience with Medallion Architecture with the target of Splunk * High skills in requirements gathering and preparation * The profile should have experience in Event\-Driven Architectures and Apache Kafka **What\`s in it for you?** * Care: your mental and physical health is our priority. We ensure comprehensive company\-paid medical insurance and 4 additional undocumented sick leave days * Tailored education path: boost your skills and knowledge with our regular internal events (meetups, conferences, workshops), Udemy license, language courses and company\-paid certifications * Growth environment: share your experience and level up your expertise with a community of skilled professionals, locally and globally * Flexibility: Own your schedule – you are the one to decide when to start your working day. Just don’t miss your regular team stand\-up. We are there to support your work\-life balance and provide 23 vacation days \& short Fridays * Opportunities: we value our specialists and always find the best options for them. Our Internal Mobility Program helps change a project if needed to help you grow, excel professionally and fulfill your potential * Global impact: work on large\-scale projects that redefine industries with international and fast\-growing clients * Welcoming environment: feel empowered with a friendly team, open\-door policy, informal atmosphere within the company and regular team\-building events **About us:** At Ciklum, we are always exploring innovations, empowering each other to achieve more, and engineering solutions that matter. With us, you’ll work with cutting\-edge technologies, contribute to impactful projects, and be part of a One Team culture that values collaboration and progress. Based in Málaga, our team thrives in one of Andalusia’s leading tech hubs. Want to learn more about us? Follow us on Instagram, Facebook, . **Explore, empower, engineer with Ciklum!** Interested already? We would love to get to know you! Submit your application. We can’t wait to see you at Ciklum. REQUIRED SKILLS Apache Flink Apache Spark JOB INFO Job Identification 2098 Job Category Data Management Posting Date 02/25/2026, 03:32 AM Locations ES\-Remote (Remote)