Hi, I'm Sandesh Nilas

Act as the internal SME for AWS, architecting scalable serverless environments using AWS Lambda, S3, and CloudFront to optimize content delivery and reduce infrastructure costs. Engineering a mission-critical HR Management System (PERN Stack), defining system architecture and database normalization strategies using Prisma. Architected and optimized RESTful services in Node.js, implementing advanced caching strategies and middleware to support high-concurrency internal tools. Leading the development of accessible, high-performance UI systems with React.js, ensuring cross-browser compatibility and sub-2-second load times. Directed the technical integration of NationBuilder with custom-built static sites to drive large-scale digital campaign management and stakeholder outreach.

Engineered a Data-as-a-Service (DaaS) platform for U.S. immigration datasets, utilizing React and D3.js to transform complex raw data into actionable visual insights. Designed and maintained PostgreSQL schemas for large-scale ICE analytics, optimizing complex SQL queries to support scalable, real-time data processing. Developed core backend services using the PERN stack, establishing the foundation for the company's HR management ecosystem.

Directed the technical roadmap for cross-functional teams, reducing project delivery bottlenecks through improved workflow automation and internal communication. Modernized deployment infrastructure by containerizing applications with Docker, resulting in consistent development-to-production environments. Implemented automated CI/CD pipelines on VPS environments, reducing manual deployment errors by 40%. Mentored a team of junior developers, conducting code reviews and technical workshops that increased overall team velocity and code quality.

Spearheaded the development of a high-traffic eCommerce API (Eclat) using Node.js and Express, ensuring modularity and high availability. Engineered secure financial transaction workflows by integrating Stripe and PayPal SDKs, handling complex webhooks, and ensuring PCI-compliant payment processing. Implemented Redis for session management and data caching, significantly reducing database load and improving API response times. Leveraged Prisma ORM and Knex with MySQL to design complex relational schemas, optimizing query performance for inventory management and order tracking. Developed a robust multi-layered security system using JWT, Bcrypt, and Zod for strict schema validation.

Contributed to the core RESTful API development for the Eclat platform, focusing on CRUD operations for product and user modules. Implemented Multer for efficient handling of multi-part form data, enabling seamless image uploads for product galleries. Assisted in managing database versioning and migrations using Prisma, ensuring consistency across development and staging environments. Explored the integration of D3.js for backend-driven data reporting, laying the groundwork for sales analytics dashboards.