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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, Microsoft Azure, Big Data, Continuous Integration, Information Engineering, Extract Transform Load (ETL), Data Transformation, DevOps, Programming Tools, Github, Apache Hive, Python (Programming Language), Cisco Nexus Switches, Standard Sql, 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 27, 2026 - **Apply:** https://www.buscojobs.com.es/big-data-developer-en-madrid-ID-369082336 ## About the Role 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. 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. ## Description 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 ResponsibilitiesDesign, 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.Integrate data from multiple sources while ensuring data 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 & Experience3+ 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:ScalaPythonJavaExperience working with Spark?based platforms such as:Azure DatabricksAmazon EMRClouderaApache Hiveor 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:GitGitHubSonarQubeNexusStrong 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.Nice to HaveInterest 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 InformationPermanent, 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.Talan 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 ******).#J-*****-Ljbffr ## Related Videos - [From Messy Queries to Scalable Systems - How Data Engineering actually works](https://www.wearedevelopers.com/videos/100203-from-messy-queries-to-scalable-systems-how-data-engineering-actually-works) - [Innovating Developer Tools with AI: Insights from GitHub Next](https://www.wearedevelopers.com/videos/1268-innovating-developer-tools-with-ai-insights-from-github-next) - [From DevOps to Scaled DevOps: How We’re Rebuilding Continuous Delivery as a Platform](https://www.wearedevelopers.com/videos/100018-from-devops-to-scaled-devops-how-we-re-rebuilding-continuous-delivery-as-a-platform) - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [Alibaba Big Data and Machine Learning Technology](https://www.wearedevelopers.com/videos/37-alibaba-big-data-and-machine-learning-technology) - [Bringing AI Model Testing and Prompt Management to Your Codebase with GitHub Models](https://www.wearedevelopers.com/videos/1536-bringing-ai-model-testing-and-prompt-management-to-your-codebase-with-github-models) ## Related Articles - [Making Data Warehouses Fast: A Developer’s Story](https://www.wearedevelopers.com/magazine/107-making-data-warehouses-fast-a-developer-s-story) - [Top Big Data Technologies That You Need to Know](https://www.wearedevelopers.com/magazine/108-top-big-data-technologies-that-you-need-to-know) - [Coffee with Developers - Maria Apazoglou - Making AI understandable for all in production](https://www.wearedevelopers.com/magazine/475-coffee-with-developers-maria-apazoglou-making-ai-understandable-for-all-in-production) - [Data Engineer Salary UK](https://www.wearedevelopers.com/magazine/253-data-engineer-salary-uk) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers)