nallamekala vignesh
Data Analyst
About
Final-year Computer Science graduate (2026) with hands-on experience in SQL, Python, Excel, and Power BI for data cleaning, analysis, and visualization. Skilled at writing SQL queries against relational databases, building dashboards and pivot-table reports in Excel and Power BI, and using Python (Pandas/Numpy) to manipulate and analyze datasets. Experienced translating raw data into clear, actionable insights that support business decisions, backed by a strong analytical and problem-solving foundation from full-stack and backend development work. Seeking a Data Analyst role to apply these skills to real-world reporting and decision-making.
Skills & Expertise (21)
Work Experience
Full Stack Development Intern
Data Valley India Pvt. Ltd.
Present - Present
Analyzed application and database logs to identify performance bottlenecks, then optimized SQL queries — improving API throughput by 30% and eliminating data anomalies across 50+ test suites. Cleaned and validated data flowing between frontend, backend, and MySQL layers, improving platform response speed by 25% through root-cause analysis. Reviewed and reported on code quality metrics during Agile-style SDLC workflows, resolving 20+ defects and accelerating delivery by 30%. Collaborated cross-functionally to deliver 100% of assigned modules ahead of schedule, communicating findings clearly to technical and non-technical stakeholders.
Education
Bachelor of Technology (B.Tech) in Computer Science and Engineering - Narasaraopet Engineering College
2022 - 2026 · Afghanistan
Certifications
No certifications added yet
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Relocation
Open to Relocation
Skills (21)
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