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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # data engineer - **Company:** Ziff Davis, Inc. - **Location:** UK - **Experience:** Expert - **Salary:** £50,000.0 - £56,000.0 - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Airflow, Big Data, Databases, Information Engineering, Data Warehousing, Distributed Computing Environment, Python (Programming Language), MySQL, Cloud Services, Oop Languages, Standard Sql, Scala (Programming Language), Data Streaming, Data Processing, Apache Spark, Event Driven Architecture, Information Technology - **Published:** August 9, 2026 - **Apply:** https://jobs.jobvite.com/ziffdavis/job/o3kCAfwj/apply ## About the Role We are looking for the right person, not the exact list of requirements. If you believe your life experience has prepared you for similar challenges, we'd like to hear from you. * Bachelor's degree in Computer Science or related field or equivalent experience * Strong understanding of programming concepts with experience in at least 1 OOP language (Python, Scala, Java) * Strong background and 3+ years of direct experience working with Python * Experience with high volume distributed data processing in Spark * Strong working knowledge of SQL, databases (MySQL / Redshift / Athena / Trino), data modeling, and modern data warehouse (lakehouse) management * Excellent troubleshooting and analysis skills * Excited to learn and work with new technologies in a dynamic environment * Strong communication skills both in person and via virtual mediums * Strong time management skills and a self driven work ethic * Experience with AWS cloud services is a plus * Experience with event driven architecture and streaming data pipelines is a plus * Background check required ## Description We're looking for a Senior Data Engineer to join the Ookla Data Engineering team and help us process the world's best collection of data on mobile and fixed internet performance. As a data engineer you will be focused on developing tools, libraries and operations to support data scientists and analysts as they discover new and exciting ways to apply our data. Applicants should have a strong, data-focused programming background and be passionate about accuracy and performance. You will work on big data using the latest technologies. We are committed to providing you a flexible work environment where individuality, fun, and talent are all valued equally. If you consider yourself innovative, adept at collaboration, and you care deeply about the work you do, we want to talk!, * Develop high volume data processing jobs across various platforms including Redshift, Athena, Iceberg, Spark and Airflow * Work closely with Data Scientists to turn theory and methodology into viable products * Identify bottlenecks in system performance and make recommendations on improving process efficiency * Support and collaborate with data scientists, analysts, and product managers * You are enthusiastic about mentoring and guiding junior team members, helping them understand architectural principles, best practices, and effective ways of working. ## Related Videos - [From Messy Queries to Scalable Systems - How Data Engineering actually works](https://www.wearedevelopers.com/videos/100203-from-messy-queries-to-scalable-systems-how-data-engineering-actually-works) - [Alibaba Big Data and Machine Learning Technology](https://www.wearedevelopers.com/videos/37-alibaba-big-data-and-machine-learning-technology) - [MySQL Protocol Features You Should Be Aware Of](https://www.wearedevelopers.com/videos/100267-mysql-protocol-features-you-should-be-aware-of) - [Enjoying SQL data pipelines with dbt](https://www.wearedevelopers.com/videos/823-enjoying-sql-data-pipelines-with-dbt) - [PySpark - Combining Machine Learning & Big Data](https://www.wearedevelopers.com/videos/44-pyspark-combining-machine-learning-big-data) - [Why and when should we consider Stream Processing frameworks in our solutions](https://www.wearedevelopers.com/videos/1085-why-and-when-should-we-consider-stream-processing-frameworks-in-our-solutions) ## Related Articles - [Data Engineer Salary UK](https://www.wearedevelopers.com/magazine/253-data-engineer-salary-uk) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Making Data Warehouses Fast: A Developer’s Story](https://www.wearedevelopers.com/magazine/107-making-data-warehouses-fast-a-developer-s-story) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [Top Big Data Technologies That You Need to Know](https://www.wearedevelopers.com/magazine/108-top-big-data-technologies-that-you-need-to-know) - [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries)