
Anup Tiwari
Software Developer
Software Developer based in Jalandhar, India, pursuing B.Tech in Information Technology at National Institute of Technology Jalandhar (Aug 2024 – Jun 2028).
Focused on Backend Engineering, Distributed Systems, Full-Stack Development, Systems & APIs, RAG / Vector Search, Database Engineering, and Algorithmic Problem Solving.
Interested in working together? Check out my Resume
Problems I can solve
Full-Stack Development: Next.js, FastAPI, Node.js, React, Responsive Interfaces...
Backend Engineering: REST APIs, Microservices, Authentication, Rate Limiting...
RAG & Vector Search: Semantic Search, Document Embeddings, Multi-Source Ingestion...
Databases & Storage: PostgreSQL, MongoDB, Schema Design, Query Optimization...
Engineered an end-to-end Retrieval-Augmented Generation platform supporting parallel ingestion of multi-format documents (PDFs, web URLs, YouTube transcripts) with source-verifiable citations.
Designed and deployed a secure enterprise management backend managing hierarchical task assignment, status transition lifecycles, Row-Level Security, and sub-50ms response times.
- Architected high-throughput backend notification microservices handling single-user and batch delivery with persistent logging, transactional integrity, and automated retry mechanisms.
- Engineered a semantic vector search pipeline using cosine similarity embeddings, optimizing query response latency for in-app contextual retrieval across structured data.
- Built reusable cross-platform components in Flutter and refactored state management to reduce client-side render lag.
- Engineered a multi-tenant backend architecture across 9 domain modules supporting 4-tier Role-Based Access Control: Super Admin, Institute Admin, Teacher, and Student.
- Implemented token-based authentication using JWT, sliding session expiration, and token-bucket rate limiting to protect public endpoints against DDoS and brute-force spikes.
- Designed normalized database schemas and aggregation queries in PostgreSQL/MongoDB to power low-latency institute analytics dashboards tracking student performance metrics.
socials.