Senior Backend Spark Developer

Description

**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\).