Kunj Jani

Data Analyst | Data Scientist | Data Engineer

Mumbai, Maharashtra 2+ yrs exp 85 · Excellent

About

Results-driven Data Analyst | Data Scientist | Data Engineer with 2+ years of end-to-end experience at Tally Solutions (Bengaluru). Delivered production-grade solutions including a Text-to-SQL AI chatbot (Gemini LLM, LangChain, ChromaDB), a multi-server Data Integrity validation system (Streamlit, Python), and automated ETL pipelines that saved 80% operational effort and 20% in external costs. Built RFM customer segmentation models and in-progress sentiment analysis (HuggingFace Transformers). Recognised with 7 formal awards from skip-level manager, reporting manager, and senior sales leadership. MSc Data Science (CGPA 9.4/10), University of Mumbai. Seeking roles in Mumbai or Pune where expertise in Python, SQL, ML/NLP, and data pipeline engineering drives measurable business outcomes.

Skills & Expertise (48)

Python Advanced

8.4/10

Years Exp

SQL Advanced

8.0/10

Years Exp

Pandas Advanced

8.0/10

Years Exp

Tableau Intermediate

7.6/10

Years Exp

ETL Pipeline Design Intermediate

7.5/10

Years Exp

NLP Intermediate

7.5/10

Years Exp

Deep Learning Intermediate

7.5/10

Years Exp

Statistical Analysis Intermediate

7.0/10

Years Exp

Git Intermediate

7.0/10

Years Exp

NoSQL Intermediate

6.5/10

Years Exp

Data Warehousing Intermediate

6.0/10

Years Exp

INDEX Problem Solving Transformation Loading Workflow Automation stakeholder communication ChromaDB Multi-Source Data Integration Pivot Tables GitHub MATCH Reporting Automation Docker REST APIs VSCODE Jupyter Notebook VLOOKUP Clustering MySql MongoDb NumPy EDA Anomaly Detection A/B testing Supervised Learning Classification Regression Data Extraction scikit-learn Sentiment Analysis LangChain HuggingFace Transformers Prompt Engineering Power BI Matplotlib Seaborn Excel Dashboards

Work Experience

Data Analyst

Tally Solutions Pvt Ltd

Sep 2024 - Present

Designed and deployed a production-grade Text-to-SQL AI chatbot powered by Gemini LLM, LangChain orchestration, and ChromaDB vector store — enabling non-technical users to query enterprise databases conversationally and eliminating analyst bottlenecks for ad-hoc data requests. Developing a customer sentiment analysis model using HuggingFace Transformers to classify product feedback at scale, delivering automated NLP-driven insight to Product and Support teams. Built a Streamlit-based Data Integrity validation application to automatically reconcile critical business metrics across 10+ production servers, supporting zero-manual-intervention leadership reporting — recognised with the Excellence Champion award (Apr 2026) by skip-level manager for end-to-end ownership across the SDLC. Engineered a multi-source Customer Churn ETL pipeline by extracting, transforming, and unifying churned customer and serial data from TallyBackEnd, TallyCare, and TallyTrack into a single analytical model — enabling the India Sales team to build a proactive churn-prevention strategy (Kudos by Senior DGM, India Sales, Dec 2025). Developed automated Tableau dashboards and SQL/Python reporting pipelines, reducing monthly reporting preparation time from ~4 hours to under 1 hour (75% reduction) — presented to Marketing stakeholders; earned Customer Delight Champion award (Oct 2024). Delivered large-scale analytics support for Quarterly Customer Management Review (CMP adoption, Unique Customer Connected metrics) including weekend delivery of revised requirements — recognised with Collaboration Champion award (Jul 2025) by Senior DGM, India Sales. Built an RFM (Recency, Frequency, Monetary) segmentation model for APAC customers, identifying high-value and at-risk cohorts to enable targeted marketing campaigns and revenue-driven outreach. Delivered ad-hoc executive analyses under tight deadlines for C-level strategic decisions, consistently maintaining high accuracy — recognised with Kudos by Reporting Manager (Dec 2025) and Colleague (Jan 2026).

Data Analyst Intern

Tally Solutions Pvt Ltd

Apr 2024 - Aug 2024

Built an ETL pipeline using Python to extract, clean, and process data from WhatsApp groups and system logs — automating a fully manual workflow, saving ~80% of operational effort and reducing externally charged costs by ~20%, directly impacting the bottom line. Automated manual reporting workflows using Python scripts, cutting average report turnaround from 4 hours to under 30 minutes (~87% faster) and freeing analyst capacity for strategic work. Applied statistical anomaly detection techniques to identify cost irregularities across operational datasets — findings directly contributed to a ~20% reduction in external expenses. Performed end-to-end data cleaning, feature engineering, and exploratory data analysis on WhatsApp and system log datasets to surface actionable operational insights.

Data Analyst

TalentCorner HR Services

Jan 2024 - Mar 2024

Collaborated on data validation and anomaly detection initiatives, improving dataset reliability and reducing data errors by ~30% across HR data pipelines. Built consolidated master datasets by cleaning and transforming multi-source HR data using advanced Excel techniques (VLOOKUP, Pivot Tables, INDEX/MATCH), enhancing data quality for downstream reporting.

Data Analyst — Freelance

Sony Music India

Apr 2023 - May 2023

Developed a Python web-scraping pipeline using BeautifulSoup to extract competitor music catalog metadata across major streaming platforms, delivering structured competitive intelligence to the A&R team — reducing manual research effort by ~60%. Awarded a performance prize for exceptional dedication.