Data Analyst (Python/SQL)

Tata Consultancy Services; Delhi; On-site; INR 1,500,000 - 3,000,000; Full time

Job summary

Tata Consultancy Services is seeking an experienced Data Analyst to join our analytics team in India. You will work on large, complex datasets, build robust SQL queries, and apply Python-based data manipulation to deliver actionable insights for business decisions.

The role requires 6–10 years of relevant experience, strong Python and SQL skills, and proficiency with Pandas/NumPy and BI tools like Power BI or Tableau. Collaborate with data engineers and stakeholders to drive data-driven outcomes.

Qualifications

• 6–10 years of relevant experience in Data Analytics / Business Analytics.
• Strong hands-on expertise in Python and SQL.
• Experience with Python libraries such as Pandas, NumPy, or similar data-processing libraries.
• Experience with visualization/reporting tools such as Power BI, Tableau, or similar platforms is preferred.
• Ability to analyze large datasets, identify insights, and translate requirements into analytical solutions.

Responsibilities

• Analyze large and complex datasets to identify trends, patterns, anomalies, and business insights.
• Develop and optimize complex SQL queries for data extraction, transformation, and analysis.
• Use Python for data manipulation, cleansing, automation, and analytical solutions.
• Create dashboards, reports, and visualizations to communicate insights effectively.
• Translate business requirements into analytical solutions and measurable outcomes.
• Automate recurring reports and data-analysis processes using Python and SQL.
• Collaborate with business stakeholders, data engineers, and cross-functional teams.

Skills

Python

SQL

Data analysis

Stakeholder management

Tools

Power BI

Tableau

Pandas

NumPy

Job description

We are looking for an experienced Data Analyst with strong hands‑on expertise in Python and SQL to analyze complex datasets, generate actionable insights, and support data-driven business decisions.

• Role: Data Analyst
• Experience: 6–10 Years
• Locations: Chennai / Pune / Bangalore / Hyderabad / Delhi
• Notice Period: Immediate Joiners to 45 Days
• Analyze large and complex datasets to identify trends, patterns, anomalies, and business insights.
• Develop and optimize complex SQL queries for data extraction, transformation, and analysis.
• Use Python for data manipulation, cleansing, automation, and analytical solutions.
• Perform data validation, reconciliation, profiling, and quality checks.
• Create dashboards, reports, and visualizations to communicate insights effectively.
• Translate business requirements into analytical solutions and measurable outcomes.
• Work closely with business stakeholders, data engineers, and cross‑functional teams.
• Automate recurring reports and manual data‑analysis processes using Python and SQL.
• Investigate data discrepancies and perform root cause analysis.
• Maintain documentation related to data definitions, analytical processes, and reporting logic.
• 6–10 years of relevant experience in Data Analytics / Business Analytics.
• Strong hands‑on expertise in Python and SQL.
• Experience with Python libraries such as Pandas, NumPy, or similar data‑processing libraries.
• Strong knowledge of data analysis, data cleansing, transformation, and validation.
• Ability to write and optimize complex SQL queries.
• Good understanding of relational databases and data warehousing concepts.
• Experience with visualization/reporting tools such as Power BI, Tableau, or similar platforms is preferred.
• Good understanding of statistical and analytical techniques.
• Strong problem‑solving and analytical thinking abilities.
• Excellent communication and stakeholder‑management skills.