.Senior Big Data Engineer (Python & Spark) - OpenbankCountry: SpainOpen Digital Services is a tech company with a unique culture, dedicated to creating innovative products for Santander Group Affiliates. We are part of the Retail & Commercial Division of Santander Group, committed to being the best Digital Bank in the industry.Our mission at ODS is to design and support an advanced digital and omnichannel platform, ensuring the best customer experience using cutting-edge technology. Openbank, our flagship partner, is where we develop our most advanced concepts.Responsibilities:Design and implement production big data environments using modern technologies.Build, validate, and optimize large-scale, big data solutions in heterogeneous data environments.Develop and manage ETLs in batch and streaming (Apache Flink).To be successful in the role you must have:3+ years of experience working with Python, Spark, software design patterns, and TDD.Experience working with big data Spark or PySpark is a must; Hadoop, Hive, and/or Kafka would be a plus.Experience with different database structures, including SQL (Postgres, MySQL) and NoSQL (DynamoDB, DocumentDB, Redis, Elasticsearch).Experience and expertise across data integration and data management with high data volumes.Experience with Cloud ecosystems, particularly AWS (EMR, EC2, IAM, GLUE, ATHENA, S3, CloudFormation, LakeFormation, Redshift, DynamoDB, RDS, ECS & ECR) would be a great plus!Experience working in an agile continuous integration/DevOps paradigm and toolset (Git, Jenkins, Sonar, Nexus, Jira, and Splunk).Bachelor's Degree in Computer Science, Information Systems, Mathematics, or other STEM-related fields, or equivalent work experience.Professional working proficiency in English.Nice to have:Experience with data warehousing, Apache Iceberg, and visualization tools.Experience with NRT applications: Apache Flink, Spark Streaming.What do we offer?Joining a dynamic and agile environment, with plenty of opportunities to grow and have an impact!Flexible and fast-adapting team currently working remotely using various communication tools!Working in a start-up mode with the support of Santander Group in a growing and expansion project.Competitive remuneration and attractive benefits package.Collaboration in international projects with peers from around the globe.Excellent work environment, social clubs, and frequent events.ODS is an equal opportunity employer. All applicants will be considered equally without regard to gender identity, sexual orientation, ethnicity, religion, age, political orientation, union membership, or disability status.The personal data you provide as well as any data generated during the selection process are confidential and will be processed by Open Bank, S.A. / Open Digital Services, S.L. for the sole purpose of managing your participation in the selection processes and, where appropriate, to formalize your recruitment