Senior Data Engineer

Ciklum is looking for a Senior Data Engineer to join our team full-time in Poland. 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, become a part of a cross-functional development team engineering experiences of tomorrow working for one of the Ciklum’s client who develops a system designed to enhance learning, streamline school operations, and connect students, teachers, and parents in a unified digital environment. It provides real-time academic insights, and seamless integration with key educational tools. Responsibilities: Responsible for the building, deployment, and maintenance of mission critical analytics solutions that process data quickly at big data scales Contributes design, code, configurations, and documentation for components that manage data ingestion, real time streaming, batch processing, data extraction, transformation, and loading across multiple data storages Owns one or more key components of the infrastructure and works to continually improve it, identifying gaps and improving the platform’s quality, robustness, maintainability, and speed Cross-trains other team members on technologies being developed, while also continuously learning new technologies from other team members Interacts with engineering teams and ensures that solutions meet customer requirements in terms of functionality, performance, availability, scalability, and reliability Performs development, QA, and dev-ops roles as needed to ensure total end to end responsibility of solutions Works directly with business analysts and data scientists to understand and support their use-cases Contribute in the Unit’s activities and community building, participate in conferences, provide excellence in exercise and best practices Help in sales activities, customer meetings and digital services Requirements: We know that sometimes, you can’t tick every box. We would still love to hear from you if you think you’re a good fit! 5+ years of experience coding in SQL, C#, Python, with solid CS fundamentals including data structure and algorithm design 3+ years contributing to production deployments of large backend data processing and analysis systems as a team lead 2+ years of hands-on implementation experience working with a combination of the following technologies: Hadoop, Map Reduce, Pig, Hive, Impala, Spark, Kafka, Storm, SQL and NoSQL data warehouses such as Hbase and Cassandra. 3+ years of experience in cloud data platforms (Azure, AWS, GCP) Knowledge of SQL and MPP databases (e.g. Vertica, Netezza, Greenplum, Aster Data) Knowledge of professional software engineering best practices for the full software Knowledge of Data Warehousing, design, implementation and optimization Knowledge of Data Quality testing, automation and results visualization Experience with Databricks, Snowflake Knowledge of BI reports and dashboards design and implementation (PowerBI, Tableau) Knowledge of development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations. Experience participating in an Agile software development team, e.g. Scrum Experience designing, documenting, and defending designs for key components in large distributed computing systems Ability to handle multiple competing priorities in a fast-paced environment What’s in it for you? Strong community: Work alongside top professionals in a friendly, open-door environment Growth focus: Take on large-scale projects with a global impact and expand your expertise Tailored learning: Boost your skills with internal events (meetups, conferences, workshops), Udemy access, language courses, and company-paid certifications Endless opportunities: Explore diverse domains through internal mobility, finding the best fit to gain hands-on experience with cutting-edge technologies Flexibility: Enjoy flexibility – full remote working possibilities Care: We've got you covered with company-paid premium medical package through Luxmed Benefits: Access the MyBenefit cafeteria platform, allowing you to choose perks that best suit your lifestyle and needs 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. With delivery centers in Wrocław and Gdańsk, our 300+ professionals in Poland drive forward-thinking solutions for global clients. Join a community where collaboration sparks innovation—and your impact reaches millions. 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. #LI-JW1