Data Scientist
Tata Consultancy Services
6 - 8 years
Hyderabad
Posted: 08/01/2026
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Job Description
Dear Candidates,
Greetings from TCS!!!
TCS is looking for Data Scientist
Experience: 6-8 years
Location: Mumbai / Ahmedabad / Hyderabad
Required technical skill set: Python, SQL, ETL processes, Data Engineering Machine Learning, Power BI
Must have skill:
- Data Science Tools: Proficiency in Python, SQL and relevant libraries (e.g., pandas).
- Data Engineering: Experience with ETL processes and working with large datasets.
- Machine Learning: Hands-on experience with supervised and unsupervised learning techniques.
- Visualization: Proficiency in tools like Power BI
- Problem Solving: Strong analytical and critical thinking skills.
- Communication: Ability to translate complex data insights into business-friendly language.
Good to have:
- Experience with big data technologies (e.g., Spark, Hadoop).
- Knowledge of telecom billing systems and CDR (Call Detail Records).
- Understanding of regulatory compliance and data privacy in telecom.
Roles and responsibilities:
- Develop and deploy machine learning models for fraud detection and revenue assurance and should be able to continuously analyze and fine tune the models
- Should be able to analyze structured and unstructured data CDRs/EDRs/Configuration records etc to identify patterns, anomalies, and trends.
- Collaborate with internal/business teams to understand data sources and business processes.
- Analytical skills to perform root cause analysis on revenue leakage and fraud incidents.
- Design and implement dashboards for real-time monitoring.
- Maintain complete documentation and SOPs on the methodologies, findings, and recommendations.
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