ReyanshJoshi
Senior Full Stack Developer
4+ years engineering scalable MERN applications, microservices & AI-powered systems. From RESTful APIs to LangChain pipelines — I ship products that perform at scale.
What I Build With
A curated set of technologies I use daily to ship production-grade software.
Frontend
Backend
Databases
Cloud & DevOps
AI & Messaging
Security & Testing
Languages
Work Experience
Building production systems and leading teams across startups and research firms.
DelveInsight Business Research LLP
Current- →Architected enterprise MERN applications (+35% scalability)
- →Automated CI/CD with AWS, Docker & Nginx (-40% deploy time)
- →Managed a team of 4 engineers (Sprint planning & DevOps)
- →Optimized MongoDB & PostgreSQL queries (-45% DB latency)
- →Built AI modules with LangChain & OpenAI APIs (-60% analysis time)
Spanidea Systems
- →Built Node.js microservices for enterprise apps (Large-scale)
- →Integrated Razorpay & CCAvenue payment gateways (Audit-compliant)
- →Performance tuning, caching & load optimization (-30% response time)
- →Delivered responsive UIs with React.js (API orchestration)
Codeplanet Technologies PVT LTD
- →Built Django application for Donation Management (Full-stack)
- →Developed admin dashboard with React.js (UI/UX)
Key Projects
A selection of production systems I've architected, built, and shipped.
DelveInsight AI Platform
AI-powered data extraction at scale
Led AI chatbot development, automated data extraction via LangChain & OpenAI, and ensured 99.9% uptime through robust DevOps practices.
EdTech Platforms (IFAS, Lurnigo)
Real-time LMS & CRM systems
Designed and deployed Node.js APIs for LMS and CRM with real-time chat, live classes, and payment integrations supporting thousands of students.
Employee Onboarding System
MERN automation suite
Built a full onboarding automation pipeline that improved efficiency by 35% and reduced manual HR effort by 50% through smart workflow orchestration.
Sensor Coverage Tool
Django backend with alert automation
Django backend with JWT-based authentication and smart alert automation, improving monitoring accuracy by 25% across distributed sensor networks.
Melodi Log Analysis Tool
Intelligent Python log engine
Created an intelligent log analysis engine using Python and FastAPI that reduced debug time by 40% with pattern detection and automated root-cause reporting.
Agastya Heritage
Node.js microservices platform
Microservices for patient and hotel workflow management, improving data integrity and reducing cross-system latency through event-driven architecture.
Open to
New Roles
Based in Gurugram, India. Open to senior full stack roles, tech lead positions, and ambitious product teams. Let's build something impactful together.