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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Big Data Developer - **Company:** Talan SAS - **Location:** Madrid, Spain - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Agile Methodology, Artificial Intelligence, Data Analysis, Big Data, Continuous Integration, Information Engineering, Extract Transform Load (ETL), Data Transformation, DevOps, Github, Apache Hive, Python (Programming Language), Cisco Nexus Switches, Cloudera, Software Engineering, SonarQube, SQL Databases, Qliksense, Data Processing, Apache Spark, Git, Ansi Sql, Information Technology, Data Management, Software Version Control, Data Pipelines, Amazon Elastic Mapreduce (EMR), Databricks, Programming Languages - **Published:** August 11, 2026 - **Apply:** https://es.trabajo.org/oferta-4111-fffa4e9f37bc14c5972b90229764b2dc ## About the Role quality and consistency. Analyze, troubleshoot, and resolve data-related issues. Optimize data performance and processing efficiency. Collaborate with cross-functional teams to gather and refine business requirements. Participate in Agile ceremonies and contribute to continuous improvement initiatives. Follow DevOps and CI/CD best practices throughout the development lifecycle. Required Skills & Experience 3+ years of experience in software development and data engineering. Strong SQL knowledge (ANSI SQL, Hive SQL, Spark SQL, or equivalent). Hands-on experience with Apache Spark and at least one of the following programming languages: Scala Python Java Experience working with Spark-based platforms such as: Azure Databricks Amazon EMR Cloudera Apache Hive or similar Big Data environments. Experience with Qlik Sense reporting and dashboard development. Familiarity with Agile methodologies and DevOps practices. Experience with version control and CI/CD tools such as: Git GitHub SonarQube Nexus Strong analytical and problem-solving skills. Ability to work collaboratively within a multidisciplinary team. Ability to understand, analyze, and improve business and technical requirements. English level B2+ or above. Qualifications Nice to Have Interest or experience in using AI-assisted development tools. Knowledge of AI-driven approaches for data engineering, automation, and analytics. Experience with process optimization through AI technologies. Additional Information Permanent, full-time contract with career development opportunities. Chance to work in a challenging, multicultural environment with international projects. Exposure to large-scale financial IT systems and cross-country operations. Training opportunities to develop new skills in finance, technology, and data management. If you are passionate about development & tech, we want to meet you Talan Spain's commitment to non-discrimination based on gender, race, ideology, or any other reason, in accordance ## Description innovation and technology. By understanding their challenges and supporting them with technology, innovation, and data, we enable them to be more efficient and resilient. Job Description About the Role We are looking for a Mid-Level Big Data Developer to join the Client Contribution Platform team. In this role, you will be responsible for developing, maintaining, and optimizing large-scale data processing solutions, ensuring high performance, scalability, and data quality across the platform. You will work closely with both technical and business stakeholders in an Agile environment, contributing to the design and implementation of modern data engineering solutions while continuously improving existing processes. Key Responsibilities Design, develop, and maintain ETL and data transformation processes. Build, optimize, and support Spark-based data pipelines. Develop scalable data processing solutions in a Big Data environment. 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