ETL Developer

2 weeks ago

Pune, Maharashtra, India ROLETWIT Full time

About the Role :

RoleTwit Services is looking for a highly skilled and experienced ETL Developer to join our growing data team in Pune.

This role is critical in ensuring high-quality, reliable, and optimized data flow across various systems and platforms.

The ideal candidate will have a proven track record of building and maintaining ETL pipelines, ensuring data accuracy and consistency, and integrating data from various sources into enterprise data warehouses or data lakes.

A passion for clean code, robust testing, and performance tuning is essential.

We are looking for someone who brings a Quality First mindset, with a deep understanding of data integration best practices and a strong commitment to data integrity and continuous Responsibilities :

- Design, develop, and maintain efficient, scalable, and reliable ETL processes and workflows to support enterprise data management and analytics

- Collaborate with data architects, analysts, and business stakeholders to understand data requirements and build appropriate solutions

- Ensure data quality, consistency, completeness, and integrity across the pipeline and warehouse systems

- Implement data validation, cleansing, transformation, and reconciliation processes

- Monitor and troubleshoot ETL processes to resolve issues quickly and effectively

- Automate data ingestion and transformation tasks using industry-standard tools and scripting languages

- Contribute to performance tuning of long-running jobs and optimize query performance within ETL workflows

- Develop test automation strategies for data pipelines, ensuring all edge cases and data anomalies are captured

- Maintain documentation for ETL processes, data models, and data flow diagrams

- Participate in code reviews, design sessions, and agile sprint Skills and Experience :

- Minimum 5 years of hands-on experience as an ETL Developer in enterprise environments

- Strong expertise in ETL tools such as Informatica, Talend, Apache Nifi, SSIS, or equivalent platforms

- Excellent knowledge of SQL, stored procedures, and performance tuning on RDBMS like Oracle, PostgreSQL, SQL Server, or MySQL

- Hands-on experience in integrating large datasets from multiple sources including APIs, flat files, databases, and cloud storage

- Proficiency in at least one programming/scripting language such as Python, Shell Script, or Java for data manipulation

- Strong understanding of data warehousing concepts, data lakes, dimensional modeling, and data governance principles

- Familiarity with test automation for data pipelines and unit testing frameworks

- Experience with performance tuning, error handling, and data quality frameworks

- Understanding of cloud platforms like AWS, Azure, or GCP is preferred

- Strong problem-solving skills, attention to detail, and ability to work in cross-functional Qualifications :

- Bachelors or Masters degree in Computer Science, Information Systems, Engineering, or a related field

- Experience working in Agile/Scrum project environments

- Certifications in ETL tools or cloud data engineering platforms is a plus

- Exposure to big data frameworks and stream processing tools such as Apache Kafka, Spark, or Hadoop is an advantage

(ref:hirist.tech)

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