## Company Description **Join Us!** **Why Talan?** For the **4th consecutive year**, **Talan Spain** has been recognized as a **Great Place to Work**! 🎉 This year, we’re also celebrating our **2nd certification in Poland**, a significant milestone since opening our office there. Talan is an international advisory group specializing in innovation and transformation through technology, with **5,000 employees** and an annual turnover of **600M€.** We offer our customers a continuum of services to support them at each key stage of their organization's transformation, with four main activities: - **CONSULTING** in Management and Innovation: Supporting business, managerial, cultural, and technological transformations. - **DATA & TECHNOLOGY:** Implementing major transformation projects. - **CLOUD & APPLICATION SERVICES:** Building or integrating software solutions. - **SERVICE CENTERS of EXCELLENCE:** Providing technology, innovation, agility, sustainability of skills, and cost optimization. Talan accelerates its clients' transformation through 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 **Senior Backend Spark Developer** to join the **Client Contribution Platform** team. In this role, you will be responsible for designing, developing, and optimizing large-scale data processing solutions while driving technical decisions and ensuring the scalability, reliability, and performance of the platform. As a senior team member, you will play a key role in mentoring other developers, collaborating with cross-functional teams, and contributing to the continuous improvement of the platform and its architecture. **Key Responsibilities** - Design, develop, and optimize scalable Big Data solutions using Apache Spark. - Lead technical decisions and contribute to the architecture of data processing solutions. - Develop, maintain, and optimize Big Data pipelines. - Support data integration initiatives across multiple systems and workstreams. - Ensure the performance, scalability, and reliability of data processing applications. - Troubleshoot and resolve complex technical and performance issues. - Collaborate with technical and functional stakeholders to define and implement solutions. - Promote Agile development practices and contribute to CI/CD and DevOps processes. - Mentor and support junior and mid-level developers, sharing best practices and technical knowledge. - Explore and promote the adoption of emerging technologies, including AI-assisted development and automation. ## Qualifications Required Skills & Experience - **5+ years of hands-on experience** developing Big Data solutions with **Apache Spark**. - Strong experience programming in **Scala** (preferred) or **Python**. - Solid SQL skills and experience with data modeling. - Experience working with Big Data platforms such as: - Azure Databricks - Apache Hive - or similar Spark-based environments. - Experience working in Agile environments and applying CI/CD and DevOps best practices. - Hands-on experience with: - Git - GitHub - SonarQube - Nexus - Strong analytical and problem-solving skills. - Proactive mindset with the ability to work independently and take ownership of technical solutions. - Experience mentoring and supporting other team members. - English level **B2+** or above. Nice to Have - Experience with workflow orchestration tools such as: - Control-M - Apache Airflow - or similar solutions. - Knowledge of Hadoop ecosystems. - Experience using AI-assisted development tools or contributing to AI-driven initiatives within data platforms, software development, or process automation. ## 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 with the company’s "Equality Plan" and the current regulations on gender equality between women and men (Royal Decree-Law 6/2019).