Specialists who design, build, and maintain the pipelines that move and transform data. A critical role in ensuring data is ready for analysis and decision-making.
ETL Developers are the backbone of data infrastructure, responsible for creating and maintaining the pipelines that move and transform data from various sources. They work closely with data engineers and data scientists to ensure that data is clean, consistent, and ready for analysis. ETL Developers are in high demand across a range of industries, from finance and healthcare to retail and technology, where data-driven decision-making is crucial.
A typical week for an ETL Developer is a mix of designing new data pipelines, troubleshooting existing ones, and collaborating with cross-functional teams.
% of 1 listings posted in the last 12 months that mention each skill, extracted from job descriptions.
A typical UK progression for etl developers. Years are guidance — strong people move faster, and many senior folks sidestep into research, product or management.
Assists in the design and implementation of basic ETL processes, with a focus on learning and gaining hands-on experience.
Owns the design and implementation of ETL processes, ensuring data quality and performance, and collaborating with cross-functional teams.
Leads the design and optimisation of complex ETL pipelines, mentors junior developers, and drives data infrastructure improvements.
Strategises and oversees the entire data infrastructure, ensuring it aligns with business goals and industry best practices.
There's no single route, but most people follow some version of these steps.
Start by understanding the fundamentals of ETL processes, data warehousing, and SQL. Gain hands-on experience with tools like Apache NiFi and Talend.
Design and implement ETL pipelines for various data sources. Focus on data quality, performance, and scalability.
Work closely with data scientists, data engineers, and business stakeholders to ensure data meets their needs and is integrated seamlessly.
Optimise existing pipelines for better performance and scalability. Implement best practices and stay updated with the latest technologies.
Take on leadership roles, mentoring junior developers and driving the strategic direction of data infrastructure.
Develop and implement long-term data strategies, exploring new technologies and methodologies to stay ahead of industry trends.
This role involves leading the technical architecture for an Azure platform, designing and building large-scale data pipelines, and integrating end-to-end data solutions. The focus is on cloud migration, data ingestion, and ensuring data quality and consistency.
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ETL Developers commonly use tools like Apache NiFi, Talend, Informatica, and AWS Glue. They also work with databases like PostgreSQL, MySQL, and big data platforms like Hadoop and Spark.
Key skills include proficiency in SQL, understanding of data warehousing concepts, experience with ETL tools, and strong problem-solving abilities. Knowledge of Python and shell scripting is also beneficial.
ETL Developers typically progress from Junior to Senior roles, then to Principal or Lead positions. Advanced roles may involve strategic planning and team leadership.
Salaries for ETL Developers can vary based on experience, location, and industry. For specific salary ranges, please refer to the salary section on this page.
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