Senior System Engineer

Sachin Chandravanshi

Sonbhadra, Uttar Pradesh

Ó +91-638******* R *****************@*****.*** LinkedIn Github SUMMARY

Data focused System Engineer with 2 years of experience in Mainframe Development, Python Programming and Data Analysis. Proficient in Python libraries like Pandas, NumPy, and matplotlib for data cleaning, processing, and visualization. Experienced in building efficient workflows, creating scalable applications, and developing predictive insights.

EDUCATION

Mahatma Jyotiba Phule Rohilkhand University August 2018 – August 2022 Bachelor of Technology in Mechanical Engineering - CGPA - 8.0/10.0 Bareilly, Uttar Pradesh EXPERIENCE

INFOSYS December 2022 – Present

System Engineer Pune, India

• Developed and maintained mainframe applications using COBOL, JCL, CICS, and REXX for a health insurance client, serving over 500,000+ members.

• Created an automated tool to extract active member details from the database, reducing manual efforts by 80% and improving reporting efficiency.

• Performed debugging, code optimization, and system enhancements, leading to a 15% improvement in overall system performance.

• Debugged and optimized existing Python scripts, achieving a 30% reduction in runtime for high-volume data processing tasks.

• Collaborated with cross-functional teams, including business analysts, QA testers, and system administrators, resolving 95% of defects before production release. .

• Conducted comprehensive testing of data workflows and scripts, identifying and resolving critical bugs to maintain system reliability.

• Optimized batch jobs and JCL scripts, reducing execution time by 40% and cutting down system resource usage.

PROJECTS

Sudoku Solver Backtracking Algorithm, C++ December 2021

• Formulated an effective solution to solve challenging Sudokus using refined algorithms based on backtracking principles.

• Ensured accuracy by validating rows, columns, and 3 3 grids, solving over 300 puzzles with no errors during testing.

Web Scraping and Data Analysis Tool Python, matplotlib, seaborn March 2023 – April 2023

• Built a Python-based tool to extract, clean, and analyze datasets from e-commerce websites and job portals.

• Created interactive visualizations with matplotlib and seaborn to present trends in demand, pricing, and user preferences.

TECHNICAL SKILLS

Languages: COBOL, JCL, REXX, Python, C++, COBDB2, MySQL Libraries: NumPy, Pandas, Matplotlib, seaborn

Technologies/Frameworks: GitHub, Django, Splunk, Service Now Developer Tools: VS Code, Micro Focus Rumba, Intellij Idea Ultimate, Eclipse CERTIFICATIONS/ACHIEVEMENTS

• Received ”Insta Award” twice for exceptional contributions to delivering high-impact projects on time.

• Spearheaded a critical health insurance project, resulting in increased profit share.

• Infosys Certified Python Developer • Python for Data Science - Infosys

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