Nikhil Kumar
Noida
Summary
Backend Software Engineer with over 2.5 years of experience in developing scalable systems using Java, Spring Boot, and SQL. Demonstrated expertise in problem solving and data structures, with hands-on experience in DBMS, Oracle SQL, and PL/SQL. Key achievements include the design and implementation of ETL pipelines and fraud detection systems, showcasing strong skills in multithreading and concurrency. Committed to continuous improvement in backend development and data structures through active contributions on GitHub.
Overview
3
3
years of professional experience
Work History
Engineer
Indus Valley Partners
Noida
06.2025 - Current
- Developed ETL pipelines for processing large-scale financial datasets into Amazon S3 buckets using Java and SQL.
- Created Java-based scripts to optimize data handling and integration in various environments.
- Ensured data integrity through development of PL/SQL scripts and stored procedures.
- Ensured data quality and consistency by collaborating with data governance and QA teams throughout ingestion process.
Tech Stack: Java, PL/SQL, Amazon S3, ETL, Data Pipelines.
Programmer Analyst
Cognizant
Kolkata
10.2022 - 05.2025
- Upgraded legacy Pega-based fraud detection platform to the latest version.
- Refactored and enhanced data integration layers, data pages, and service calls, adhering to back-end best practices.
- Developed backend automation processes by crafting and refining SQL queries to streamline data reporting.
- Managed bug fixes and incident resolution in backend logic.
- Contributed to continuous integration and delivery processes with Azure DevOps.
Tech Stack: Java (Pega Rules Engine), SQL, Azure DevOps, Production Support, Backend Automation.
Education
Master of Science - Computer Applications Development
Bharati Vidyapeeth's Institute of Computer Applications And Management
New Delhi08.2022
Bachelor of Science - Computer Science
PGDAV College, University of Delhi
New Delhi, India08.2020
Skills
- SpringBoot
- REST API
- SQL
- Java
- PL/SQL
- HTML
- DBMS
- AWS
- Git
Projects
Problem: Needed a system to manage student records with operations like create, read, update, and delete via API.
Solution: Developed a RESTful backend using Spring Boot with layered architecture and persistent storage.
Tech Stack: Java, Spring Boot, JPA, H2/MySQL, Swagger
- Implemented clean separation of concerns across controller, service, and repository layers.
- Integrated Swagger for API documentation and added validation for request integrity.
- Used H2 and MySQL for data storage and wrote unit/integration tests to ensure code quality.
- GitHub: github.com/NikhilKumarNK5/student-restapi
Timeline
Engineer
Indus Valley Partners
06.2025 - Current
Programmer Analyst
Cognizant
10.2022 - 05.2025
Master of Science - Computer Applications Development
Bharati Vidyapeeth's Institute of Computer Applications And Management
Bachelor of Science - Computer Science
PGDAV College, University of Delhi
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