Kishan Jena's Work | ContraWork by Kishan Jena
Kishan  Jena

Kishan Jena

Python Backend Developer | FastAPI, Django & Generative AI

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Cover image for FinSecure: A High-Performance API with
FinSecure: A High-Performance API with Role-Based Access Control (RBAC) Security is the backbone of any fintech application. For FinSecure, I architected a robust backend infrastructure using FastAPI and PostgreSQL that prioritizes both data integrity and system speed. I implemented a strictly enforced Role-Based Access Control (RBAC) system and JWT authentication to ensure that sensitive financial data is only accessible to authorized users. Beyond security, I focused on performance engineering—optimizing database schemas to reduce query latency by 15%. This project demonstrates my ability to deliver 'production-ready' code that balances high-level security protocols with the speed required for a modern user experience. Secure Authentication: Integrated OAuth2 and JWT for industry-standard user sessions. Granular Permissions: Developed a scalable RBAC system to manage complex user hierarchies. Performance Tuning: Refactored SQL queries to handle high-concurrency requests without lag. Clean Documentation: Fully documented API endpoints using Swagger/OpenAPI for easy frontend integration. #FastAPI #Python #BackendEngineer #PostgreSQL #API #FinTech #CyberSecurity #RBAC #SystemDesign #ScalableSystems #Independent #RemoteWork #SoftwareEngineering #CommissionFree #BhubaneswarTech
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