Senior Data Engineer

g2 Recruitment; Alicante; A distancia; EUR 30.000 - 50.000; Jornada completa

Descripción de la vacante

A leading recruitment agency is seeking a freelance Senior Data Engineer to work remotely in Spain. The role involves designing scalable data pipelines, developing APIs, and mentoring junior engineers. Applicants should have a Bachelor's degree, 5+ years of experience, and proficiency in Python and SQL. This is an exciting opportunity with a 6-month contract and potential for extension.

Formación

• Minimum 5 years of experience in data engineering or software development.
• Technical proficiency in English; Spanish is a bonus.
• Experience working in agile teams.

Responsabilidades

• Design and build scalable ETL / ELT pipelines.
• Develop applications and APIs for data access.
• Implement solutions on AWS and Azure.
• Automate data processes and collaborate with teams.
• Mentor junior developers.

Conocimientos

Python (3+ years experience)

SQL optimization

Git version control

Apache Spark

Docker

Cloud (AWS/Azure)

Educación

Bachelor's degree in Engineering or Computer Science

Herramientas

Docker

Jenkins

AWS

Azure

Descripción del empleo

Senior Data Engineer - Python | SQL | GIT | Freelance | Remote | Catalonia

I am currently working with a respected client who is looking to hire a freelance Data Engineer for a 6-month contract, with the possibility of extension. This role involves:

• Designing and maintaining scalable data pipelines and cloud solutions (AWS / Azure)
• Developing APIs and automating workflows
• Collaborating across teams and mentoring junior engineers

Role Details :

• Job title : Senior Data Engineer
• Working Model : Remote
• Day Rate : D.O.E.
• Contract Length : 6 Months initially, with extension possible
• Start Date : ASAP

Key Responsibilities :

• Design and build scalable ETL / ELT pipelines
• Develop applications and APIs for data access and manipulation
• Implement solutions on AWS and Azure (data warehousing, data lakes)
• Automate data ingestion, transformation, and loading processes
• Collaborate with Data Scientists, Analysts, and product teams
• Mentor junior developers and participate in code reviews

Required Technical Skills :

• Programming : Python (3+ years experience with Pandas, NumPy, SQLAlchemy)
• SQL : Complex queries, optimization, stored procedures
• Git : Version control and collaborative workflows
• Big Data & Streaming :
  • Apache Spark (distributed processing and optimization)
  • Apache Airflow (workflow orchestration and DAGs)
• Databases :
  • SQL (PostgreSQL, MySQL, SQL Server)
  • Data Warehouses (Snowflake, BigQuery, Redshift)
• Cloud (AWS or Azure) :
  • AWS (S3, EMR, Glue, RDS, Lambda)
  • Azure (Data Factory, Synapse, Storage, Functions)
• DevOps :
  • Docker (application containerization)
  • CI / CD (Jenkins, GitLab CI, GitHub Actions)

Experience and Education :

• Minimum 5 years of experience in data engineering or software development
• Bachelor's degree in Engineering, Computer Science, or related field
• Experience working in agile teams
• Technical proficiency in English (reading/writing); Spanish is a bonus

If interested, please apply or send your CV with a contact number to [contact details].