Himanshu Sharma
SWE Intern @Rakuten | AIR 27 ICPC Regionals \'23 | Codeforces Expert (Top 300 India) | Backend Developer | Java | IIIT Gwalior \'25
- Role
- Software Engineer Intern at Rakuten India
- Location
- Bengaluru, IN
- LinkedIn followers
- 500 followers
About Himanshu Sharma
Software Engineer proficient in scalable systems & competitive programming Competitive Programming Achievements- ICPC Regionals AIR 27 - Codeforces Expert - 1852 rating (Top 300 India)- CodeChef 5-Star - 2132 rating (Top 400 India)- LeetCode Guardian - 2188 rating (Top 500 India)- Solved algorithmic problems across platforms Impact At Rakuten- Improved payment reporting accuracy by 30% across production environments - Built multi-currency support for 150+ global currencies using ISO 4217 standards - Optimized payment retry logic, reducing false positives by 25%- Achieved 92% code coverage with 100+ unit tests using Kotlin-Mockito framework - Reduced manual testing time by 90% through automated QA workflows Technical Expertise- Languages: Java, Kotlin, Python, C++, TypeScript, SQL - Backend: Spring Boot, Flask, REST APIs, Microservices - Databases: PostgreSQL, Redis, H2, Cache-aside patterns - Tools: Docker, Git, Postman, Splunk, CI/CD - Algorithms: Dynamic Programming, Graph Theory
Experience
Software Engineer Intern
Feb 2025 — Present · Bengaluru, IN
Payment Systems Development- Established multi-currency support across 150+ global currencies using ISO 4217 currency codes- Built payment retry functionality, excluding successfully retried payments from impact calculations- Improved payment reporting accuracy by 30% across production environmentsQuality Engineering & Automation- Achieved 92% code coverage by writing 100+ unit tests using the Kotlin-Mockito framework- Automated QA validation workflow with Python scripts, reducing manual testing time by 90%- Integrated Splunk for real-time monitoring and incident responseTechnical Excellence- Fixed 10+ critical bugs in the payment processing pipeline- Refactored lines of code using clean code principles- Reduced false positives by 25% through intelligent retry date functionalityTechnologies: Java, Kotlin, Spring Boot, Python, REST APIs, Splunk, CI/CD, TypeScript
Education
ABV-Indian Institute of Information Technology and Management
Bachelor of Technology - BTech, Information Technology
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