Raakesh Menon A
Data Analysis | Data Science | Python | SQL | Tableau | Machine Learning and AI
- Role
- System Engineer at Tata Consultancy Services
- Location
- Bengaluru, KA, IN
- LinkedIn followers
- 500 followers
About Raakesh Menon A
Senior Data Engineer with 4+ years of experience designing and building scalable data…
Experience
System Engineer
Dec 2021 — Present · Bengaluru, IN
Data Analyst | Banking and Manufacturing DomainsKey Contributions:• Data Analysis & Performance Optimization- Conducted in-depth SQL and Python-driven analyses to improve transaction success rates and operational efficiencies- Developed dynamic visualizations using Tableau and advanced analytics in Apache Spark to provide actionable insights- Optimized SQL queries and PL/SQL scripts for Oracle databases, significantly improving transaction error resolution and system performance.• Data Integrity & Migration- Led large-scale data migration initiatives, utilizing SQL Loader and advanced ETL processes to ensure 25% reduction in time consumption while maintaining supreme data accuracy- Conducted rigorous data validation before and after migration to ensure integrity across all touchpoints.• Process Optimization & Strategic Initiatives- Implemented process improvement strategies within manufacturing, utilizing Looker Studio and Apache Spark to refine operations and achieve up to 20% increase in operational efficiency- Worked closely with clients to align project deliverables with business goals, ensuring streamlined operations.• Reporting, Data Visualization & Database Management- Transformed complex datasets into insightful reports and dashboards using Python (Pandas, NumPy), Tableau, and MS Excel, enabling strategic business planning and data-driven decisions- Designed and maintained robust database systems using SQL and Snowflake, focusing on data security and accuracy.• Technical Expertise- Advanced knowledge in exploratory data analysis, data cleaning, preprocessing, and statistical testing- Proficient in predictive analytics, model validation, and creating visually compelling reports and dashboards- Expertise in SQL, PL/SQL, Python, Tableau, Looker Studio, Apache Spark, and data warehousing, complemented by Microsoft Office for project documentation and presentations.
Education
Anna University
Bachelor of Engineering - BE
2016 — 2020
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