We are looking for an experienced and detail-oriented Data Engineer to build, manage, and optimize data pipelines and datasets. The ideal candidate should have solid expertise in MS Excel , solid knowledge of Python , and hands-on experience in data cleaning, transformation, and handling large datasets . This role will support business and analytics teams by delivering reliable and high-quality data.

Design and maintain data pipelines and workflows.
Perform data cleaning, transformation, and validation of large datasets.
Create advanced reports using MS Excel (Pivot Tables, VLOOKUP, XLOOKUP, Power Query).
Write and maintain Python scripts for data automation and processing.
Optimize data storage and retrieval processes.
Ensure data accuracy, consistency, and integrity across multiple sources.
Collaborate with business analysts and stakeholders to understand data requirements.




Support ETL and data warehousing processes.

Solid experience in MS Excel (advanced formulas, Pivot Tables, Power Query).
Strong knowledge of Python (Pandas, NumPy, data manipulation).
Hands-on experience with data handling, transformation, and cleaning .
Valuable knowledge of SQL (writing complex queries, joins, indexing).
Experience working with large datasets and structured/unstructured data.
Familiarity with ETL tools/processes.

Experience with cloud platforms like AWS / Azure / GCP .
Familiarity with data visualization tools like Power BI, Tableau .
Knowledge of Apache Spark or similar big data tools.
Experience with version control tools like Git.

📌 Senior Data Analyst Sql & Python Chennai
🏢 Mako IT Lab
📍 Chennai