Senior Data Engineer

Job Description 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 scalesContributes design, code, configurations, and documentation for components that manage data ingestion, real time streaming, batch processing, data extraction, transformation, and loading across multiple data storagesOwns 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 speedCross-trains other team members on technologies being developed, while also continuously learning new technologies from other team membersInteracts with engineering teams and ensures that solutions meet customer requirements in terms of functionality, performance, availability, scalability, and reliabilityPerforms development, QA, and dev-ops roles as needed to ensure total end to end responsibility of solutionsWorks directly with business analysts and data scientists to understand and support their use-casesContribute in the Unit’s activities and community building, participate in conferences, provide excellence in exercise and best practicesHelp 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 design3+ years contributing to production deployments of large backend data processing and analysis systems as a team lead2+ 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 softwareKnowledge of Data Warehousing, design, implementation and optimizationKnowledge of Data Quality testing, automation and results visualizationExperience with Databricks, SnowflakeKnowledge 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. ScrumExperience designing, documenting, and defending designs for key components in large distributed computing systemsAbility 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 environmentGrowth focus: Take on large-scale projects with a global impact and expand your expertiseTailored learning: Boost your skills with internal events (meetups, conferences, workshops), Udemy access, language courses, and company-paid certificationsEndless opportunities: Explore diverse domains through internal mobility, finding the best fit to gain hands-on experience with cutting-edge technologiesFlexibility: Enjoy flexibility – full remote working possibilitiesCare: We've got you covered with company-paid premium medical package through LuxmedBenefits: 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.