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Talan

Big Data Developer

Talan

Mid-Level Big Data Developer at Talan developing and optimizing data processing solutions in a collaborative environment. Engaging in technology-driven projects across the organization.

Posted 7/11/2026full-timeRemote • 🇪🇸 SpainMid-LevelSeniorWebsite

Tech Stack

Tools & technologies
ApacheAzureETLJavaPythonScalaSparkSQL

About the role

Key responsibilities & impact
  • Design, 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.

Requirements

What you’ll need
  • 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.

Benefits

Comp & perks
  • 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.

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools
ETL ProcessesData TransformationApache SparkSQLScalaPythonJavaData Quality AssuranceData AnalysisBig Data Solutions
Soft Skills
Analytical SkillsProblem-SolvingCollaborationCommunication