Sahil Sagvekar

Architected and deployed production-grade MERN stack applications using Docker containerization and CI/CD pipelines (AWS + GitHub Actions), reducing deployment time by 40%. Automated EC2 deployment workflows with Nginx reverse proxy and Docker orchestration, ensuring zero-downtime production releases. Designed and implemented RESTful APIs with secure authentication, authorization, and third-party payment gateway integrations (Stripe, Razorpay). Developed end-to-end full-stack web applications improving business workflow efficiency by 35% through optimized database queries and caching strategies. Collaborated with QA and AI teams in Agile environment, delivering high-quality features on tight deadlines with 98% on-time delivery rate.

Developed backend calculation engine for APR (Annual Percentage Rate) serving 5+ NBFCs, processing 10,000+ loan calculations daily with 99.9% accuracy. Engineered secure Partner Management system with RBAC, JWT authentication, and multi-branch data architecture supporting 50+ concurrent users. Integrated AI-powered document analysis tools (ChatPDF) and optimized MongoDB aggregation pipelines, improving query performance by 60%. Built robust data synchronization pipelines ensuring 99.99% uptime for mission-critical financial data across distributed systems. Collaborated with cross-functional teams (QA, Product, Frontend) to deliver features with <1% bug rate in production.

Led development of scalable backend APIs to automate loan disbursement workflows, including dynamic senior/junior lender splits and sanction logic. Delivered APR (Annual Percentage Rate) modules for real-time interest calculation used by multiple NBFCs and financial partners. Built and secured Partner Management system with branch profiles, banking info, and cross-platform admin access. Integrated AI-driven features (ChatPDF + Prompt Gallery) and optimized MongoDB schemas for fast querying of metadata and user history. Engineered data pipelines to sync mission-critical data between BHN and Velocity, resolving edge-case conflicts and improving integrity. Collaborated with product and QA teams to roll out new features with minimal downtime and rapid iteration.