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Junior Data Engineer (Energy Domain)

Vallum Associates
London
1 month ago
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Junior Data Engineer | 12 months experience | £40,000 | Fully Remote

Senior Data Engineer

Senior Database & Cloud Data Engineer

Senior Data Scientist

Senior Data Scientist

Junior Data Scientist Data & ML Engineering Focus Remote UK Only

Energy Domain is a must.

Under 7 years of experience only.

Permanent.


Key Responsibilities

  • Design, develop, and maintain data ingestion pipelines using open-source frameworks and tools
  • Build and optimise ETL/ELT processes to handle small to large-scale data processing requirements
  • Develop data models and schemas that support analytics, business intelligence and product needs
  • Monitor, troubleshoot, and optimise data pipeline performance and reliability
  • Collaborate with stakeholders, analysts and product team to understand data requirements
  • Implement data quality checks and validation processes to ensure data integrity
  • Participate in architecture decisions and contribute to technical roadmap planning


Technical Skills:

  • Great SQL skills with experience in complex query optimization
  • Strong Python programming skills with experience in data processing libraries (pandas, NumPy, Apache Spark)
  • Hands-on experience building and maintaining data ingestion pipelines
  • Proven track record of optimising queries, code, and system performance
  • Experience with open-source data processing frameworks (Apache Spark, Apache Kafka, Apache Airflow)
  • Knowledge of distributed computing concepts and big data technologies
  • Experience with version control systems (Git) and CI/CD practices
  • Experience with relational databases (PostgreSQL, MySQL or similar)
  • Experience with containerization technologies (Docker, Kubernetes)
  • Experience with data orchestration tools (Apache Airflow or Dagster)
  • Understanding of data warehousing concepts and dimensional modelling
  • Understanding of cloud platforms using infrastructure-as-code (IaC) approaches
  • Knowledge of streaming data processing and real-time analytics
  • Experience with data quality and monitoring tools


Preferred Qualifications:

  • Bachelor's degree in Computer Science, Engineering, Mathematics, or related field
  • 2-5 years of experience in data engineering or related roles
  • Experience working in the Energy industry

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