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Tata Consultancy Services · Chennai

# Data Scientist

Chennai Data & Analytics 

Last seen on Tata Consultancy Services’s official careers site on August 1, 2026; it may have closed since.
[Apply on Tata Consultancy Services’s careers site →](https://ibegin.tcsapps.com/candidate/next/en-IN/jobs/421508J)

[OpenNash Jobs](https://jobs.opennash.com/) / [Tata Consultancy Services](https://jobs.opennash.com/companies/tata-consultancy-services/) / Data Scientist

## Job description

6 - 8 Years of Experience
- Database, SQL, Python, DataRobot, Snowflake, GitHub
- BAU Tasks & Model Retraining for Machine Learning Projects
- Banking domain expRetrain and calibrate governed predictive models for AML compliance, fraud, and core FS use cases to improve precision/recall and reduce false positives. Relevant work experience in fintech fraud risk, with deep understanding of money movement products, banking, lending, and fraud detection data 2 Deliver customer segmentation, anomaly detection, and forecasting solutions by applying hands-on ML expertise to ship production-ready models in financial services.
- Leverage experience across credit risk and fraud to design, deploy, monitor, and maintain models (deep learning, tree-based, reinforcement learning, clustering, time series, causal methods, and NLP) with a deep understanding of payment systems, money movement, banking, and lending. 3 Continuously monitor model performance, drift, and stability; define thresholds and trigger retraining with clear acceptance criteria. 4
- Partner with ML Engineering to provide L2/L3 production support—triage incidents, perform root-cause analysis, and implement hotfixes within MLOps guardrails. 5 Engineer features and prepare training/eval datasets with Data Engineering; contribute to the design and rollout of a reusable feature store 6
- Document models, assumptions, and controls; perform structured handoffs to MLOps/ML Engineering for compliant deployment. 7
- Write production-quality code for DS workflows (SQL, Python); use advanced Excel for analysis/reporting; enforce testing and reproducibility. 8
- Ability to quickly develop a deep statistical understanding of large, complex datasets 9 Expertise in designing and building efficient and reusable data pipelines and framework for machine learning models 10
- Strong business problem solving, communication and collaboration skills

## Qualifications

BACHELOR OF ENGINEERING

## At a glance
- Posted by the employer: Not stated
- First seen by OpenNash: Aug 1, 2026
- Last checked: Aug 1, 2026
- Listed for: Under a day
- Location: Chennai[Apply on Tata Consultancy Services’s careers site →](https://ibegin.tcsapps.com/candidate/next/en-IN/jobs/421508J)

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