ppWe 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. /p pYou 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. /p h3Key Responsibilities /h3 ul liDesign, develop, and maintain ETL and data transformation processes. /li liBuild, optimize, and support Spark-based data pipelines. /li liDevelop scalable data processing solutions in a Big Data environment. /li liIntegrate data from multiple sources while ensuring data quality and consistency. /li liAnalyze, troubleshoot, and resolve data-related issues. /li liOptimize data performance and processing efficiency. /liliCollaborate with cross-functional teams to gather and refine business requirements. /li liParticipate in Agile ceremonies and contribute to continuous improvement initiatives. /li liFollow DevOps and CI/CD best practices throughout the development lifecycle. /li /ul h3Required Skills Experience /h3 ul li3+ years of experience in software development and data engineering. /li liStrong SQL knowledge (ANSI SQL, Hive SQL, Spark SQL, or equivalent). /li liHands‑on experience with Apache Spark and at least one of the following programming languages:



ul liScala /li liPython /li liJava /li /ul /li liExperience working with Spark‑based platforms such as: ul liAzure Databricks /li liAmazon EMR /li liCloudera /li liApache Hive /li lior similar Big Data environments. /li /ul /li liExperience with Qlik Sense reporting and dashboard development. /li liFamiliarity with Agile methodologies and DevOps practices. /li liExperience with version control and CI/CD tools such as: ul liGit /li liGitHub /li liSonarQube /li liNexus /li /ul /li liStrong analytical and problem‑solving skills. /li liAbility to work collaboratively within a multidisciplinary team. /li liAbility to understand, analyze, and improve business and technical requirements. /li liEnglish level B2+ or above. /li /ul h3Nice to Have /h3 ul liInterest or experience in using AI‑assisted development tools. /li liKnowledge of AI‑driven approaches for data engineering, automation, and analytics. /li liExperience with process optimization through AI technologies. /li /ul h3Additional Information /h3 ul liPermanent, full‑time contract with career development opportunities. /li liChance to work in a challenging, multicultural environment with international projects. /li liExposure to large‑scale financial IT systems and cross‑country operations. /li liTraining opportunities to develop new skills in finance, technology, and data management. /li /ul pTalan Spain’s commitment to non‑discrimination based on gender, race, ideology, or any other reason, in accordance with the company’s "Equality Plan" and the current regulations on gender equality between women and men (Royal Decree‑Law 6/2019). /p /p #J-18808-Ljbffr

📌 Big Data Developer (Madrid)
🏢 Talan
📍 Madrid