Summary
As a Java Backend Developer with over 2.6 years of experience at Delhivery and currently a Software Development Engineer II at Jar App, I have honed my skills in Java, Spring Boot, REST, Kafka, PostgreSQL, and AWS. I excel in designing and implementing scalable backend solutions, optimizing system performance, and solving complex technical challenges. My career is marked by significant contributions to backend infrastructure and system enhancements, with a strong focus on problem-solving, adaptability, and continuous improvement.
Education
Dr. B R Ambedkar National Institute of Technology, Jalandhar, Punjab
Bachelor of Technology in Computer Science & Engineering | C.G: 7.05
Chhatrapati Shivaji School, Kota, Rajasthan
12th RBSE Board, Science-Mathematics | 89%
Ganesh Adarsh Vidya Mandir, Sawai-Madhopur, Rajasthan
10th RBSE Board | 96.5%
Skill Proficiency Overview
Java
Spring Boot
REST APIs
Kafka
PostgreSQL
AWS
Experience
Software Development Engineer II at Jar App
June 2024 - Present
- Developed high transaction value user cohorts to handle data efficiently.
- Managed S3 bucket backup storage to ensure reliable data storage.
Java Backend Developer at Delhivery
June 2021 - Dec 2023
Features Delivered in Telescope (First 8 Months)
- Built a user data permission module to restrict data visibility to relevant users.
- Developed listing APIs including:
- Shipment content listing API
- Shipment summary API
- Invoice awaiting truck listing
- Serviceability listing
- Order number, waybill number, and invoice number filters on order listing
- Worked on CSV download/upload APIs including:
- Order bulk download
- Serviceability bulk upload and download
- Fixed production bugs, and handled encryption and decryption of PII data.
Features Delivered in WMS (1 Year 8 Months)
- Bundle Pickwave: Added support for a new pick-wave type inheriting traits from multi and bulk pickwaves.
- Multi Container in Picklist: Supported multiple containers in a picklist with minimal code changes, and optimized notifications.
- Event Tracking: Implemented user, activity, and user-device level event tracking in WMS.
- Tag Assignment and FMS Validation: Managed tag entities for client inventory, and validated FMS categories during inventory transfer.
- Facility Layout and Improvements: Developed features for physical entity representation and management in WMS.
- Empty Container Handling: Addressed cases where movable containers had no inventory in bulk consolidation flows.
- ODMZero: Implemented courier assignment for order allocation based on weight, price, and courier serviceability.
Technical Work
- Implemented non-blocking async API calls, reducing API response time from 8 seconds to 2 seconds.
- Optimized CSV upload APIs to handle 10K rows in 4 seconds.
- Created and updated Elastic Search endpoints for efficient object management.
- Developed utility methods for third-party API integration, ensuring privacy and data security.
- Implemented AWS CloudWatch alarms and updated response handling strategies.
- Contributed to Git repository management, including advanced commands and error resolution.
Coding Profiles
GeekForGeeks: Solved 560+ Data Structure Coding Problems. See my profile at bit.ly/gfg-vk
HackerRank: Achieved 5-star Golden Badge in problem-solving, C++, Java, SQL, Python. Visit my profile at bit.ly/hkrnvkm
LeetCode: Solved 110+ problems, See my profile at https://bit.ly/lcvipul
Certifications
- Backend Developer Fellowship by Crio.Do, 8 Week, Virtual. bit.ly/criovkm
- AT&T Summer Learning Academy Externship, 4-week-long virtual development training. bit.ly/atntvkm
- HP Summer Scholars, 6-week virtual development, delivered a solution in a team of 8. bit.ly/hpssvkm
- 1099 Global Rank in Google Kick Start 2020 Round H. bit.ly/37LXQwW
- Software Engineering Virtual Experience by JPMorgan on Inside-Sherpa. bit.ly/3qEJXZU
- Technical Support Fundamentals by Grow with Google on Coursera. bit.ly/2VUxenT
Achievements
- Achieved a Silver Medal by Rajasthan Board for 7 th State Merit in the 10 th Board In 2014
- JEE Main 2017 General Rank: 8811 out of 1.3 Million participants