Data Analyst Engineering

RAJESH MADDURU

linkedin.com/in/rajeshmadduru-***b18176 ● 630-***-**** ● **************@*****.*** ● Romeoville, IL SUMMARY OF QUALIFICATIONS:

• 1.9 years of professional experience as a Data Analyst at Tech Mahindra.

• Proficient in monitoring and resolving issues related to ETL jobs, root cause analysis, and implementing solutions to prevent recurrence.

• Worked on Building and maintain robust ETL pipelines, ensuring data accuracy, and supporting real-time applications for telecom client.

• Experience working with Python, SQL, Teradata.

• Skilled in system health checks, data integrity maintenance, and reloading missing or corrupted data.

• Hands-on experience with tools like Helix ticketing, MongoDB, and server maintenance practices for optimal performance.

• Solid experience developing real-time web applications using HTML, CSS, Laravel PHP, and MongoDB. TECHNICAL EXPERTISE:

CERTICATIONS:

• IBM certified Introduction to Data Engineering

DATA ENGINEERING:

• Data Warehousing, Data Modeling, Data Cleaning, Data Visualization, Data Profiling, ETL

(Extract, Transform, Load), Data Pipeline

PROGRAMMING LANGUAGE:

• Python, SQL, Teradata SQL

DATABASES:

• Relational Databases (MySQL), NoSQL database (MongoDB) TOOLS & SOFTWARE:

• Jira, GitHub, HTML&CSS, Larabel PHP, Putty tools, Linux CYBERSECURITY:

• Network Security, Data Encryption, Risk Management, Vulnerability Management EDUCATION:

Master of Science in Cybersecurity Aug 2023 - May 2025 Lewis University, Romeoville, IL

ParkiFi Research Project:

Reflection on Privacy, Regulations, Intellectual Property, and Ethics Bachelor of Technology in Computer Science and Engineering Aug 2015 - May 2019 Vel Tech Technical University

Project: Online Movie Ticket Booking using HTML, CSS WORK EXPERIENCE:

Data Analyst Oct 2021 – Jun 2023

Tech Mahindra., Bangalore, Remote

• Ensured data integrity by monitoring ETL jobs and resolving failures promptly.

• Improved system reliability through root cause analysis and preventive measures.

• Collaborated with stakeholders to provide detailed production system health reports.

• Maintained server efficiency by cleaning mount points regularly.

• Streamlined issue resolution using Helix, enhancing service request management.

• Engineered robust ETL pipeline monitoring systems, enabling proactive identification of data anomalies and maintaining 24/7 production environment stability.

• Implemented comprehensive root cause analysis protocols for failed ETL processes, establishing RAJESH MADDURU

preventive measures that enhanced system reliability.

• Streamlined production system health check procedures, delivering actionable insights through detailed stakeholder reports for informed decision-making.

• Orchestrated cross-functional issue resolution using Helix ticketing system, facilitating swift problem resolution and improved service delivery.

• Engineered automated ETL pipeline monitoring solutions, enabling real-time detection of data anomalies and maintaining production environment stability.

• Conducted systematic root cause analysis of ETL failures, implementing preventive measures that strengthened overall system performance.

Front-End Developer (Intern) Jan 2019 – Apr 2019

Nprodax, Madhapur, Hyderabad, On-site

• Developed a user-friendly HR management app, enhancing efficiency for 100+ employees.

• Implemented responsive UI using HTML/CSS, improving user interaction and accessibility.

• Integrated Laravel PHP and MongoDB, ensuring seamless backend connectivity.

• Utilized GitHub for version control, facilitating team collaboration and project updates.

• Documented project milestones, providing clear insights into development progress.

• Architected a modern HR web application using HTML and CSS, elevating user experience while streamlining employee self-service capabilities

• Integrated Laravel PHP and MongoDB backend solutions, ensuring robust data management and seamless system performance

• Facilitated efficient team collaboration through GitHub version control, enabling smooth code deployments and project tracking

• Documented project milestones and technical specifications, maintaining clear communication channels and supporting knowledge transfer

• Optimized frontend components for responsive design, enhancing accessibility across devices and improving overall user engagement

• Engineered a responsive HR management interface using HTML/CSS, resulting in improved employee self-service adoption and streamlined workflow efficiency PROJECTS:

Online Movie Ticket Booking using HTML, CSS: Project at Vel Tech Technical University

• The project was to develop an online movie ticket booking website.

• Apart from booking movie tickets, it displays current movie ratings, their trailers, teasers, story plot, actors who acted in the film, and technician's information.

• It also has a comment box for user comments and queries.

• It is user-friendly.

ParkiFi Research Project: Project at Lewis University Reflection on Privacy, Regulations, Intellectual Property, and Ethics: Roles and Responsibilities as Lead Developer:

• Developed the core functionality of the ParkiFi platform.

• Implemented and maintained secure data storage solutions using OAuth, JWT, and PostgreSQL encryption.

• Developed and secured API endpoints using industry best practices to prevent unauthorized access.

• Finalized booking-related APIs and enhance API security protocols.

• Improved API documentation to aid frontend integration.

• Conducted regular code reviews to ensure code consistency and maintainability.

• Evaluated backend progress and ensure timely delivery of core features.

• Identified and address bottlenecks in feature development and integration. HONORS, ACTIVITIES AND VOLUNTEER EXPERIENCE:

• Technical member of LAVAZZA Fest.

• Conducted blood donation camp.

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