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Chethana M S

@chethanams

Data Scientist with an MSc in Statistics and 5 years’ experience across Python, SQL, Machine Learning, GenAI, BI, and analytics.

India
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I'm a Statistics-trained Data Scientist with around 5 years of experience across business intelligence, enterprise data integration, statistical analysis, and applied machine learning. I hold an MSc in Statistics and use statistical reasoning and modern data tooling to turn complex data into decisions people can act on.

In my current BI Analyst role, I work with enterprise-scale data using Oracle SQL, Power BI, MicroStrategy, Excel, and automation, building analytical solutions and dashboards for operational and business decisions. Earlier, in enterprise data integration, I managed data mappings, transformation logic, validation, APIs, and production workflows for international clients, which gave me a solid grounding in data quality and pipeline reliability.

My data science work centres on Python, machine learning, statistical modelling, and Generative AI. My portfolio includes an end-to-end fraud and anomaly detection system built on Isolation Forest with an LLM-based explanation layer, a climate risk modelling project using multi-source environmental and geospatial data, and an AI-assisted entity matching solution using fuzzy matching. I'm also a Microsoft Certified: Fabric Data Engineer Associate, with a growing focus on scalable data and ML workflows.

I'm looking for Data Scientist, Applied Data Scientist, Risk/Analytics, and Machine Learning roles where I can combine a strong statistical foundation with hands-on ML, data engineering, and GenAI skills. I enjoy problems involving prediction, anomaly detection, model evaluation, and explainability, and I care about making results clear enough for non-technical stakeholders to use.

Experience

Work history, roles, and key accomplishments

AS
Current

Business Intelligence Analyst

Allianz Services

Sep 2025 - Present (1 year 1 month)

Extract, transform, validate, and analyze enterprise-scale datasets using complex Oracle SQL queries. Developed dashboards to analyze operational KPIs, SLA compliance, and productivity, reducing manual reporting effort by approximately 48 hours per month.

AS

BI Analyst Intern

Allianz Services

Mar 2025 - Sep 2025 (6 months)

Automated recurring reporting workflows using SQL and VBA, reducing manual team effort by more than 30%. Extracted, validated, and transformed enterprise data for ad-hoc analytical requirements.

BR

Electronic Data Integration Specialist

Bristlecone

Jul 2021 - May 2024 (2 years 10 months)

Managed B2B enterprise data integration pipelines for 50+ clients across VAN, AS2, and SFTP environments. Performed attribute-level validation and testing to resolve data inconsistencies across complex enterprise workflows.

Education

Degrees, certifications, and relevant coursework

IBM logoIB

IBM

IBM Data Science Professional Certificate, Data Science

IBM Data Science Professional Certificate.

Kerala University logoKU

Kerala University

Master of Science, Statistics

Grade: 84.26%

Master of Science in Statistics with 84.26%.

Kerala University logoKU

Kerala University

Bachelor of Science, Statistics

Grade: 90.22%

Bachelor of Science in Statistics with 90.22%, University First Rank.

Microsoft logoMI

Microsoft

Microsoft Certified: Fabric Data Engineer Associate, Data Engineering

Microsoft Certified: Fabric Data Engineer Associate certification.

Google logoGO

Google

Google Data Analytics Professional Certificate, Data Analytics

Google Data Analytics Professional Certificate.

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