Capabilities Backed by Real System Evidence
A technology list alone doesn't prove proficiency. Explore what I build, the exact tools applied, and the verified production code and benchmarks that validate each capability.
Build Backends & Systems
Engineering Capability
Build and secure high-throughput REST APIs, database models, and low-latency caching layers.
Layered Spring Boot architectures with strict domain boundaries, ACID guarantees, and sub-10ms response times.
Clean Architecture domain models, concurrency control, and transactional services
REST controller endpoints, dependency injection, DTO validation, and actuator health
Stateless JWT authentication filter chain and role-based endpoint authorization
Relational entity mapping, pessimistic locking on inventory, and pagination
Normalized schemas, indexed foreign keys, PostGIS geospatial queries, and pgvector
In-memory caching with W-TinyLFU eviction yielding 6.2ms consultation lookups
Plant Villa
Commercial nursery management platform with Spring Boot REST API, pessimistic stock locks, and PostgreSQL.
Pessimistic write locking eliminates inventory race conditions under concurrent checkout traffic.
Doctor Saheb
Full-stack healthcare consultation system backed by Spring Security stateless JWT and MongoDB.
Caffeine in-memory cache delivers sub-10ms specialist lookups with a 94.8% hit ratio.
Skills & Technologies
Browse the complete technical stack across backend engineering, modern web development, applied AI, data systems, and cybersecurity.
Backend & Java
Spring Boot, Security, Spring AI, JPA
Applied AI & RAG
Gemini, Groq/Llama, RAG, pgvector
Full-Stack & Web
Next.js 16, React, TS, Tailwind
Cybersecurity
C)PTE Certified, Pentesting, APIs