# Rohit Nishad

> Software engineer with 7+ years building production-grade AI, web, mobile, and blockchain systems. Helping SaaS and marketplace founders turn complex technical challenges into scalable, reliable architectures.

Rohit Nishad is an independent principal systems and full-stack software engineer with a 100% Upwork Job Success record. Specializing in high-throughput backend APIs, AI application infrastructure, PostgreSQL database performance, and mobile/web application engineering.

## Core Pages

- [Homepage](https://rohitnishad.com/): Executive portfolio, engineering capabilities, client testimonials, and service overview.
- [About](https://rohitnishad.com/about): 7+ years engineering background, work history, philosophy, and technical stack.
- [Engineering Work](https://rohitnishad.com/work): Case studies in production performance, scalability, and system architecture.
- [Articles & Notes](https://rohitnishad.com/articles): Technical essays and architecture notes on backend engineering, databases, and AI systems.
- [Contact](https://rohitnishad.com/contact): Direct consultation booking, project inquiries, and communication channels.

## Engineering Case Studies

- [Scaling SaaS APIs](https://rohitnishad.com/scaling-saas-api): Scaling SaaS APIs to 10M+ requests/day with Redis caching, query optimization, and background queues.
- [Reliable AI in Production](https://rohitnishad.com/reliable-ai-production): Production LLM architecture with evaluation frameworks, latency optimization, and structured outputs.
- [Real-time Mobile Web3](https://rohitnishad.com/real-time-mobile-web3): Cross-platform mobile architecture with real-time state sync, offline caching, and blockchain wallet security.
- [Cloud Cost Optimization](https://rohitnishad.com/cloud-cost-optimization): Cutting AWS cloud infrastructure costs by 40% while maintaining 99.9% uptime and low latency.

## Technical Articles

- [Architecting LLM Systems for Production](https://rohitnishad.com/llms-in-production): Complete guide to context management, prompt caching, vector retrieval, and cost control.
- [PostgreSQL Performance Tuning](https://rohitnishad.com/postgres-query-optimization): Practical strategies for indexing, query plans, vacuuming, and connection pooling.
- [Modular Monolith vs Microservices](https://rohitnishad.com/microservices-vs-monolith): Decision framework for system evolution from MVP to scale.
- [Event-Driven Architecture](https://rohitnishad.com/event-driven-architecture): Building resilient asynchronous processing pipelines with BullMQ, Redis, and Node.js.

## Verified Profiles

- [GitHub](https://github.com/merohitnishad): Open-source repositories and development activity.
- [LinkedIn](https://www.linkedin.com/in/merohitnishad/): Professional career history and recommendations.
- [X / Twitter](https://x.com/merohitnishad): Engineering insights and technology discussions.
- [Upwork](https://www.upwork.com/freelancers/~01e5e3a341a0f8238f): Verified client reviews and top-rated developer profile.