Senior Backend Spark Developer

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.

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.

• 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).