Shashank Kumar
About
Backend Engineer with 4+ years of experience building scalable payment systems using C++ and distributed architectures. Skilled in PCI-compliant high-availability APIs, payment processing, and event-driven systems with reusable backend components.
Experience
- Built core components of a standalone payment platform integrating alternative payment methods; cut integration effort by 50%.
- Designed high-availability payment provider APIs for concurrent transactions and partner scalability.
- Modularized legacy code into reusable services, improving maintainability across teams.
- Contributed to BNPL travel payments architecture and backend.
- Mentored an intern to build QA/automation tools, reducing manual testing effort by 30%.
- Implemented optimizations improving development velocity and feature turnaround.
- Designed an ISO8583 encoder/decoder for credit card transaction processing.
- Built web-based payment message injection for sandbox testing, adopted by QA teams.
Projects
EaseParking: Distributed Parking Platform (2022) — Backend platform connecting property owners with vehicle users for real-time parking discovery and booking. Implemented scalable services for listings, booking, and user workflows.
Skills
| Languages | C++ |
| Backend | REST APIs, Microservices, Distributed Systems |
| Messaging | Kafka |
| Payments | ISO8583, PCI-DSS, Payment Processing |
| Data | SQL |
| Tools | Splunk, Swagger, Git |
| Core CS | Data Structures, Algorithms |
Education
Rajiv Gandhi Technical University, Bhopal (M.P.)
B. Tech. in Computer Science (2018–2022)
Achievements
- Internal Trainer at Amadeus (2023, 2024).
- Amadeus Game Changer & Pace Setter awards.
- KPIT Sparkle Emerging Innovator (2020).
Contact
| Phone | +91 9128142711 |
| shashank25412@gmail.com | |
| linkedin.com/in/shashank25412 | |
| GitHub | github.com/shashank25412 |