Data Engineer - Senior

Lumenalta; Remote; GBP 75,000 - 100,000; Full time

Job summary

Lumenalta is seeking a Senior Data Engineer to join their team in the UK. This fully remote position requires expertise in Python or Java and SQL for developing robust ETL pipelines to manage complex datasets. The ideal candidate will have over 7 years of experience and demonstrate a strong ability to collaborate with various stakeholders to ensure data integrity and reliability. The role offers a competitive salary package, reflecting the level of expertise required.

Qualifications

• 7+ years of experience as a Data Engineer.
• Strong skills in Python or Java for data processing.
• Proficient in SQL, especially for querying large datasets.

Responsibilities

• Design, build, and maintain reliable ETL pipelines.
• Work with large, complex datasets.
• Ensure data quality and performance across systems.

Skills

Python

Java

SQL

Job description

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We help global enterprises launch digital products that reach millions of users. Our projects involve massive datasets, complex pipelines, and real-world impact across industries.

What You’ll Do

• Join the team as a Senior-Level Data Engineer
• Design, build, and maintain reliable ETL pipelines from the ground up
• Work with large, complex datasets using Python or Java and raw SQL
• Build scalable, efficient data flows and transformations
• Collaborate with data analysts, product managers, and developers to deliver actionable data to stakeholders
• Ensure data quality, consistency, and performance across systems

What We’re Looking For

• 7+ years of experience as a Data Engineer
• Strong skills in Python or Java for data processing
• Proficient in SQL, especially for querying large datasets
• Experience with batch and/or stream data processing pipelines
• Familiarity with cloud-based storage and compute (e.g., AWS S3, EC2, Lambda, GCP Cloud Storage, etc.)
• Knowledge of data modeling, normalization, and performance optimization
• Comfortable working in agile, collaborative, and fully remote environments
• Fluent in English (spoken and written)

Nice to Have (Not Required)

• Experience with Airflow, Kafka, or similar orchestration/message tools
• Exposure to basic data governance or privacy standards
• Unit testing and CI/CD pipelines for data workflows

This job is 100% Remote – please ensure you have a comfortable home office setup in your preferred work location.

Seniority level

• Seniority level

  Mid-Senior level

Employment type

• Employment type

  Contract

Job function

• Job function

  Engineering and Information Technology

• Industries

  IT Services and IT Consulting

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