Summary: Seeking a Senior Developer with strong data engineering and ETL development experience to design, develop, and optimize scalable data solutions within modern data platforms. Highlights: 1. Design, develop, and optimize data solutions 2. Contribute to robust data architectures and BI initiatives 3. Work with Spark, Scala, and various data technologies **Company Description** **Talan – Positive Innovation** Talan is an international consulting group specializing in innovation and business transformation through technology. With over 7,200 consultants in 21 countries and a turnover of €850M, we are committed to delivering impactful, future\-ready solutions. **Talan at a Glance** Headquartered in Paris and operating globally, Talan combines technology, innovation, and empowerment to deliver measurable results for our clients. Over the past 22 years, we’ve built a strong presence in the IT and consulting landscape, and we’re on track to reach €1 billion in revenue this year. **Our Core Areas of Expertise** * **Data \& Technologies:** We design and implement large\-scale, end\-to\-end architecture and data solutions, including data integration, data science, visualization, Big Data, AI, and Generative AI. * **Cloud \& Application Services:** We integrate leading platforms such as SAP, Salesforce, Oracle, Microsoft, AWS, and IBM Maximo, helping clients transition to the cloud and improve operational efficiency. * **Management \& Innovation Consulting:** We lead business and digital transformation initiatives through project and change management best practices (PM, PMO, Agile, Scrum, Product Ownership), and support domains such as Supply Chain, Cybersecurity, and ESG/Low\-Carbon strategies. **We work with major global clients across diverse sectors, including Transport \& Logistics, Financial Services, Energy \& Utilities, Retail, and Media \& Telecommunications.** **Job Description** We are looking for a **Senior Developer** with strong experience in **data engineering and ETL development** to join our team. The ideal candidate will have solid expertise in building and maintaining scalable data pipelines, working with big data technologies, and ensuring high\-quality data processing within modern data platforms. You will play a key role in the **design, development, and optimization of data solutions**, contributing to the development of robust data architectures and supporting business intelligence initiatives. **Key Responsibilities** * Design, develop, and maintain **ETL pipelines** for data ingestion and transformation. * Work with **Spark and Scala** to build scalable data processing solutions. * Design and implement **data models** to support analytics and reporting needs. * Develop and maintain **data lake solutions** using technologies such as **Apache Hive, S3, and AWS**. * Ensure **data quality and validation** across data pipelines and datasets. * Write and optimize **complex SQL queries** for data processing and analysis. * Work with **relational database systems** and ensure efficient data storage and retrieval. * Contribute to **BI and analytics environments**, integrating with tools such as **Databricks, Power BI, or Starburst**. * Implement **unit testing** and ensure code quality using **static code analysis tools** such as Sonar or Fortify. * Support and maintain **CI/CD pipelines** to ensure efficient and reliable software delivery. **Required Experience** * **5\+ years** of experience implementing **ETL processes**. * **3\+ years** of experience with **Apache Spark**. * **3\+ years** of experience with **Scala**. * **2\+ years** of experience working with **BI tools** (e.g., Databricks, Power BI, Starburst). * Strong expertise in **SQL**. * Experience in **data model design**. * Hands\-on experience with **Data Lakes** (Apache Hive, S3, AWS). * Experience working with **relational database systems**. * Experience in **data validation and quality assurance**. * Experience with **unit testing** and **static code analysis tools** (Sonar and/or Fortify). * Strong understanding of **CI/CD and modern software delivery practices**. **Additional Information** **What do we offer you?** * Full\-time contract. * Smart Office Pack so that you can work comfortably from home. * Training and career development. * Benefits and perks such as **private medical insurance**, life insurance. * Possibility to be part of a multicultural team and work on international projects. * **This is a hybrid position based in Málaga, Spain.** * Possibility to manage work\-permits. **If you are passionate about development \& tech, we want to meet you!** *Talan Spain is committed to non\-discrimination based on gender, race, ideology, or any other grounds, in accordance with the company’s Equality Plan and current regulations on gender equality between women and men (Royal Decree\-Law 6/2019\).*