Talan

Big Data Developer

Talan
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4 months ago
Remote, Spain or Madrid, SpainMid Level

Responsibilities

  • 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 technical, business, and cross-functional stakeholders to gather and refine requirements.
  • Develop Qlik Sense reports and dashboards.
  • Participate in Agile ceremonies and continuous improvement initiatives.
  • Apply DevOps and CI/CD practices throughout the development lifecycle.

Requirements

  • At least 3 years of experience in software development and data engineering.
  • Strong knowledge of SQL, including ANSI SQL, Hive SQL, Spark SQL, or equivalent.
  • Hands-on experience with Apache Spark.
  • Experience with at least one of Scala, Python, or Java.
  • Experience with a Spark-based platform such as Azure Databricks, Amazon EMR, Cloudera, Apache Hive, or a similar Big Data environment.
  • 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, or Nexus.
  • Strong analytical, problem-solving, collaboration, and requirements analysis skills.
  • English proficiency at B2+ level or above.
  • Interest or experience in AI-assisted development tools is a plus.
  • Knowledge of AI-driven approaches for data engineering, automation, and analytics is a plus.
  • Experience optimizing processes through AI technologies is a plus.

Benefits

  • Permanent, full-time contract.
  • Career development opportunities and training in finance, technology, and data management.
  • Work in a challenging, multicultural environment with international projects.
  • Exposure to large-scale financial IT systems and cross-country operations.

Tech Stack

Apache HiveApache SparkAzureDatabricksGitJavaPythonScalaSonarQubeSQL

Categories

Data Engineering
Talan

About Talan

1,001-5,000 employees

Talan is a Paris‑headquartered, privately held consulting and technology group that delivers data, AI, and IT services to large enterprises. It combines management consulting with systems integration, software engineering, and production support across sectors such as banking and financial services, energy, transport, retail, and healthcare. The firm operates internationally and supports clients’ end‑to‑end change programs, from CRM and agile transformations to architecture, application development, and run.

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