I agree to receive commercial information, including by email DATA PROTECTION INFORMATION. Purposes: Respond to your job application and send you commercial information about our products and services, including by e-mail if the interested party authorizes it. The data will be kept for the duration of the open personnel selection process and for 1 year for future processes. Recipients: No transfer of data is foreseen. Rights: You may withdraw your consent at any time, as well as access, rectify, delete your data and other rights before the responsible at . We are an international technology services company specialized in:
IT: Banking, Insurance, Retail & E-Commerce, Healthcare
Transport & Supply Chain: Rail, Automotive, Logistics, and Aerospace
Manufacturing: Renewable Energy, Oil & Gas, and Utilities
R&D;: Research, innovation, and development of technology solutions
At K-LAGAN , we focus on innovation, real impact, and tailor-made solutions, supporting our clients in transforming their businesses and processes.
To humanize technology and lead sustainability while acting responsibly toward our people, our clients, and society.
We create impact through innovation and talent, contributing to projects that help organizations grow, evolve, and transform.
Turnkey Projects
Nearshore / Offshore Projects
We also work in key areas such as Cybersecurity, Data, QA, Agile, AI & Business Transformation, and Green IT.
The Opportunity We are looking for a Data Engineer to join our IT team and become part of an international, dynamic, and constantly evolving environment.
If you are motivated by impactful projects, professional growth, and bringing value through your expertise, this is the place for you.
Your Mission As a Data Engineer , your mission will be to build and maintain pipelines that ensure data is delivered reliably, cleanly,



and efficiently from its source to the people who need it to make decisions, contributing to business and people development while aligning your work with the company’s strategy.
Design, develop, and maintain data architectures (Data Lakes and Data Warehouses)
Build complex ETL processes for data ingestion and transformation from multiple sources
Optimize query performance and ensure data integrity
Collaborate with Data Scientists and Analysts to provide analysis-ready datasets
Implement DataOps and CI/CD best practices for data environments
University degree in Computer Science, Software Engineering, Mathematics, Physics, or related fields
Around 4 years of experience as a Data Engineer or in similar roles
Advanced proficiency in Python and expert-level SQL
Experience with Big Data frameworks
Solid experience working in cloud environments (Azure, AWS)
Knowledge of modern Data Warehouses such as Snowflake or BigQuery
Experience with containers (Docker/Kubernetes) and version control systems (Git)
Strong skills in data visualization tools such as Power BI or Tableau, with proven experience handling large-scale datasets and data warehousing concepts
High level of English (C1)
Experience with real-time streaming architectures (Kafka, RabbitMQ)
Knowledge of Infrastructure as Code (Terraform)
Agile mindset and experience working in collaborative environments
Stable, innovative, and international projects aligned with your experience
~ Permanent contract
~ Hybrid work model depending on the project
~ Adaptable working hours
~Private health insurance and flexible compensation plan
~ Summer and Christmas company dinners
~+Our Commitment At K-LAGAN , we believe in responsible technology (Green IT) and promote social impact initiatives such as our annual volunteering day, creating an environment where people can grow and thrive. Hybrid

📌 Senior Engineer, Data Engineering (Barcelona)
🏢 K-Lagan
📍 Barcelona