I am a Full Stack Engineer and Team Lead specializing in building high‑performance backend systems, scalable APIs, and distributed platforms.
I work mainly with:
- Backend Engineering
- API Infrastructure
- Fraud Detection Systems
- IoT Data Platforms
- Machine Learning Integration
- Cloud & DevOps
Backend platform to detect suspicious transactions.
Features:
- Rule‑based fraud detection
- Machine learning anomaly detection
- Transaction monitoring APIs
- Alert & case management
- Audit logging
flowchart LR
A[Client Transaction] --> C[Django Fraud Engine]
C --> D[Fraud Rules Engine]
C --> E[ML Model]
E --> F[Isolation Forest]
F --> G[Fraud Alert]
D --> G[Fraud Alert]
G --> H[Investigation Dashboard]
High‑performance gateway using APISIX and Lua plugins.
Features:
- Redis caching
- Response transformation
- API chaining
- Wallet system
flowchart LR
Client --> APIGateway
APIGateway --> RedisCache
APIGateway --> AuthService
APIGateway --> FraudService
APIGateway --> PaymentService
FraudService --> PostgreSQL
PaymentService --> MongoDB
- Multi‑tenant backend
- JWT authentication
- Role‑based access control
- Course management
- Learning progress tracking
- Secure video streaming
Stack:
- React
- Node.js
- MongoDB
- Redux Toolkit
Performance optimizations improved API efficiency.
Offline‑capable platform using:
- Angular
- Node.js
- Docker
- OpenStreetMap
📧 058sanjaykushwah@gmail.com | 📱 +91 7082376877