--- description: ETL Developer Job Description - An ETL developer performs the Extracting, Transforming, and Loading processes. title: "ETL Developer Job Description: Roles & Responsibilities" image: https://www.guru99.com/images/etl-developer-job-description.png --- [Skip to content](#main) **⚡ Smart Summary** An ETL Developer Job Description outlines the professional who extracts, transforms, and loads enterprise data into warehouses. The role blends programming, data modeling, and quality assurance to power analytics, reporting, and modern AI driven business intelligence. - 🧩 **Core mission:** ETL Developers move data from many sources into a clean, query ready warehouse. - 🛠️ **Key skills:** SQL, Python, XML, JavaScript, data modeling, and warehouse design form the daily toolkit. - 💰 **Salary range:** Average United States pay sits near $114,974 per year, with senior roles reaching $300,000 plus. - 🤖 **AI shift:** Generative AI and machine learning are automating mapping, quality checks, and pipeline monitoring. - 🚀 **Career path:** Certifications, hands on projects, and warehouse fundamentals open doors to data engineering roles. Read More ![](https://www.guru99.com/images/etl-developer-job-description.png) ## Who is an ETL Developer? An ETL Developer is the data professional who performs Extracting, Transforming, and Loading processes across enterprise systems. They pull business data from diverse source systems, reshape it through calculations and quality checks, and load it into a secure data warehouse where analysts, scientists, and AI models can consume it reliably. - **Extraction:** Extraction means pulling data from each source system and consolidating it inside the staging or warehouse layer. - **Transforming:** This stage follows extraction and requires structuring the raw data, cleaning errors, and converting it into a quality, analytics ready form. - **Loading:** This is the final stage of the ETL process, where the ETL Developer oversees moving the transformed data into the warehouse, lakehouse, or downstream system. [![ETL Process]()](https://www.guru99.com/images/3/etl-process.png) ## ETL Developer Skills and Qualifications An ETL Developer is expected to have a strong grasp of [data analysis](https://www.guru99.com/what-is-data-analysis.html), design, and programming, especially broad knowledge of languages such as [XML](https://www.guru99.com/xml-tutorials.html), [JavaScript](https://www.guru99.com/interactive-javascript-tutorials.html), and [SQL](https://www.guru99.com/sql.html). Familiarity with Python, cloud warehouses such as Snowflake or BigQuery, and modern orchestration tools is now a clear advantage. ### General skills needed to become an ETL Developer - **Strong organizational ability:** ETL Developers juggle multiple pipelines, source mappings, and release schedules, so disciplined planning keeps every project on track. - **High problem solving ability:** ETL work brings unexpected schema changes, performance bottlenecks, and quality issues. A good ETL Developer must propose solutions quickly and document them clearly. - **Communication and collaboration:** The role sits between business teams, analysts, and engineers, so clear written and verbal communication is essential for gathering requirements and sharing progress. ### ETL Developer Job Description and Responsibilities Here are the key roles that ETL Developers fulfil inside a modern data team: **ETL process planning and management:** At this stage, the ETL designer or developer is expected to work on the following: - Give a clear view of the ETL process and define the data processing boundaries. - Evaluate and configure [ETL tools](https://www.guru99.com/best-etl-tools.html) and oversee their implementation. - Test every pipeline component and confirm that each transformation works as expected before release. **Define business requirements:** The business requirement drives the volume of data extracted from each source, the data models, the quality rules, and the storage medium required for the warehouse. **Determine data storage needs:** The volume of data handled differs between organizations, so an ETL Developer estimates the daily and historical data volume, partitioning strategy, and retention windows the company needs. **Build a data warehouse:** A strong and secure data warehouse is critical for every business. The ETL Developer designs a warehouse where data can be efficiently loaded, indexed, and protected based on the company’s analytics and compliance needs. **Ensure data quality:** Quality must be maintained through every stage of the ETL pipeline. ETL Developers add validation rules at extraction, deduplicate and standardize records during transformation, and run reconciliation checks after loading so the warehouse meets business standards. ## ETL Developer Salary The average salary of ETL Developers is rewarding. Senior positions for experts and highly experienced ETL Developers offer pay above many other IT roles, especially when cloud and AI skills are added to the resume. In the United States, ETL is considered a lucrative track because the data ecosystem is so large. The average **ETL Developer** salary in the **USA** is **$114,974** per year, or roughly **$55.28** per hour. Beginner positions start near **$99,000** per year, while experienced professionals in this field earn up to **$306,500** per year. Pay varies by city, industry, and the size of the data platform under management. ### ETL Learning Material ETL can be learned on several platforms. While many people prefer a physical class, others choose online training. Different resources exist, such as ETL certification courses and ETL testing video courses. The role can be picked up through the following formats. ### 1) [IBM Data Engineering Professional Certificate](https://imp.i384100.net/LPAmEZ) This online program helps you start a career in data engineering with a Professional Certificate from IBM. After finishing this ETL course, you will learn skills such as designing, deploying, and managing structured and unstructured data, and you will gain experience with key tools through hands on projects. The certificate is aimed at anyone who wants job ready skills and a portfolio for an entry level data or ETL engineer position. [![IBM Data Engineering]()](https://imp.i384100.net/LPAmEZ) #### Features: - Taught by leading companies and universities. - Apply your skills with hands on projects. - Learn on your own schedule. - Course videos and readings. - Graded quizzes and assignments. - Receive a shareable certificate upon completion. [Enroll Now >>](https://imp.i384100.net/LPAmEZ) --- ### 2) [Data Warehouse Fundamentals for Beginners](https://trk.udemy.com/yq1KE2) [Data Warehouse Fundamentals for Beginners](https://trk.udemy.com/yq1KE2) is an online course that helps you learn the techniques needed to build a data warehouse for your organization. You will learn to apply the key design principles of dimensional data modeling. You will also learn how to work with data warehousing architectures and dimensional data structures using the best practices and techniques covered in this online course. [![Data Warehouse Fundamentals]()](https://trk.udemy.com/yq1KE2) #### Features: - 5 hours of on demand video. - 1 article. - Full lifetime access. - Access on mobile and TV. - Certificate of completion. [Enroll Now >>](https://trk.udemy.com/yq1KE2) **ETL Developer books:** [This book](https://www.guru99.com/data-warehousing-pdf.html) is curated to guide aspiring Data Warehouse and ETL Developers in building and maintaining warehouses. The book is detailed, with dimensional modeling tools and patterns that every ETL Developer should know. **Don't Miss:** - [Top 25 ETL Testing Interview Questions & Answers for 2026](https://www.guru99.com/etl-testing-interview-questions.html) - [What is MOLAP (Multidimensional OLAP) in Data Warehouse?](https://www.guru99.com/multidimensional-online-analytical-processing.html) - [Top 88 Data Modeling Interview Questions and Answers (2026)](https://www.guru99.com/data-modeling-interview-questions-answers.html) - [Top 40 Websphere Interview Questions and Answers (2026)](https://www.guru99.com/websphere-interview-questions.html) ## Application of ETL There are several reasons ETL is widely used across business and analytics teams: - It supports data transformation verification along with the required calculations, business rules, and procedures. - A well built and organized ETL system is critical to the success of any data warehouse project. - The ETL process provides a platform to compare and analyze data between source systems and the target warehouse. - ETL helps carry out complex transformations that need a structured storage medium. - With ETL, you can move data into a warehouse and then convert it into different formats using the same system. - Clean ETL pipelines also feed machine learning and AI workloads with the reliable, governed datasets they need. ## AI and the Future of ETL Development AI is reshaping the day to day work of an ETL Developer. Generative AI tools now help draft SQL transformations, suggest schema mappings, and generate documentation from pipeline metadata. Machine learning models flag anomalies in row counts, detect schema drift, and predict pipeline failures before they hit production dashboards. ETL Developers who learn to combine traditional warehouse skills with AI assisted tooling, vector databases, and ELT patterns for unstructured data will move into senior data engineering and analytics engineering roles faster than peers who stay purely manual. ## FAQs 🧭 What does an ETL Developer do day to day? An ETL Developer builds and maintains pipelines that extract data from source systems, transform it with business rules, and load it into the warehouse. Daily work mixes SQL coding, schema design, performance tuning, monitoring, and collaborating with analysts on data quality. 🛠️ Which skills are most important for an ETL Developer? Core skills include strong SQL, dimensional modeling, and at least one scripting language such as Python. Knowledge of XML, JavaScript, cloud warehouses, orchestration tools, and data quality frameworks rounds out the profile and helps ETL Developers stand out during hiring. 💰 How much does an ETL Developer earn? In the United States, an ETL Developer earns around $114,974 per year on average. Entry level roles start near $99,000, while senior engineers with cloud and AI skills can reach $306,500 per year. Pay varies by city, industry, and platform size. 🤖 How is AI changing ETL Developer roles? AI is automating repetitive ETL work such as schema mapping, SQL drafting, and anomaly detection. ETL Developers now focus more on architecture, governance, and feeding clean datasets into machine learning models, which raises the value of strong design and data quality skills. ⚙️ Which AI tools help ETL Developers automate tasks? Popular AI assistants for ETL Developers include GitHub Copilot for SQL and [Python](https://www.guru99.com/python-tutorials.html), ChatGPT for documentation and mapping logic, and built in AI features in tools such as dbt, Snowflake Cortex, Databricks AI, and Microsoft Fabric for pipeline generation and monitoring. #### Summarize this post with: ChatGPTPerplexityGrokGoogle AI **Stay Updated on AI** **Get Weekly AI Skills, Trends, Actionable Advice.** ##### Sign up for the newsletter Subscribe for Free You have successfully subscribed. Please check your inbox. ![AI-Newsletter]() Chosen by over **350,000+** professionals [Scroll to top](#wrapper) Search for: ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://www.guru99.com/#organization","name":"Guru99","sameAs":["https://www.facebook.com/Guru99Official","https://twitter.com/guru99com"],"logo":{"@type":"ImageObject","@id":"https://www.guru99.com/#logo","url":"https://www.guru99.com/images/guru99-logo-v1-150x59.png","contentUrl":"https://www.guru99.com/images/guru99-logo-v1-150x59.png","caption":"Guru99","inLanguage":"en-US"}},{"@type":"WebSite","@id":"https://www.guru99.com/#website","url":"https://www.guru99.com","name":"Guru99","publisher":{"@id":"https://www.guru99.com/#organization"},"inLanguage":"en-US"},{"@type":"ImageObject","@id":"https://www.guru99.com/images/etl-developer-job-description.png","url":"https://www.guru99.com/images/etl-developer-job-description.png","width":"700","height":"250","caption":"ETL Developer Job Description","inLanguage":"en-US"},{"@type":"BreadcrumbList","@id":"https://www.guru99.com/etl-developer-job-description.html#breadcrumb","itemListElement":[{"@type":"ListItem","position":"1","item":{"@id":"https://www.guru99.com","name":"Home"}},{"@type":"ListItem","position":"2","item":{"@id":"https://www.guru99.com/data-warehousing","name":"Data Warehousing"}},{"@type":"ListItem","position":"3","item":{"@id":"https://www.guru99.com/etl-developer-job-description.html","name":"ETL Developer Job Description: Roles & Responsibilities"}}]},{"@type":"WebPage","@id":"https://www.guru99.com/etl-developer-job-description.html#webpage","url":"https://www.guru99.com/etl-developer-job-description.html","name":"ETL Developer Job Description: Roles & Responsibilities","dateModified":"2026-10-10T15:22:20+05:30","isPartOf":{"@id":"https://www.guru99.com/#website"},"primaryImageOfPage":{"@id":"https://www.guru99.com/images/etl-developer-job-description.png"},"inLanguage":"en-US","breadcrumb":{"@id":"https://www.guru99.com/etl-developer-job-description.html#breadcrumb"}},{"@type":"Person","@id":"https://www.guru99.com/author/editorial","name":"Editorial Team","url":"https://www.guru99.com/author/editorial","image":{"@type":"ImageObject","@id":"https://www.guru99.com/images/favicon-new-logo.png","url":"https://www.guru99.com/images/favicon-new-logo.png","caption":"Editorial Team","inLanguage":"en-US"},"sameAs":["https://www.guru99.com/editorial-team"],"worksFor":{"@id":"https://www.guru99.com/#organization"}},{"articleSection":"Data Warehousing","headline":"ETL Developer Job Description: Roles & Responsibilities","description":"ETL Developer Job Description - An ETL developer performs the Extracting, Transforming, and Loading processes.","keywords":"data warehousing","speakable":{"@type":"SpeakableSpecification","cssSelector":[".entry-title",".summary"]},"@type":"Article","author":{"@id":"https://www.guru99.com/author/editorial","name":"Editorial Team"},"dateModified":"2026-10-10T15:22:20+05:30","image":{"@id":"https://www.guru99.com/images/etl-developer-job-description.png"},"copyrightYear":"2026","name":"ETL Developer Job Description: Roles & Responsibilities","subjectOf":[{"@type":"FAQPage","mainEntity":[{"@type":"Question","name":"What does an ETL developer do day to day?","acceptedAnswer":{"@type":"Answer","text":"An ETL developer designs pipelines, writes mappings, monitors jobs, validates quality, and partners with analysts to deliver clean, governed data into the warehouse for daily reporting."}},{"@type":"Question","name":"Which technical skills matter most for ETL developers?","acceptedAnswer":{"@type":"Answer","text":"Core skills include SQL, data modeling, Python or Java scripting, XML and JSON parsing, performance tuning, and tools like Informatica, Talend, SSIS, AWS Glue, or Azure Data Factory."}},{"@type":"Question","name":"How much does an ETL developer earn in the United States?","acceptedAnswer":{"@type":"Answer","text":"Average annual pay is about $114,974, with entry roles near $99,000 and senior specialists reaching $306,500. 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