Syed Qaim Raza

DevOps & Backend Deployment

Hamid • Tiempo completo

Aug 2025 - Present • 1 yr 2 mos

• Build RESTful APIs and backend modules for multi-tenant SaaS, solar-monitoring, and industrial digitalization applications using NestJS, Express.js, and MongoDB. • Integrated Huawei and Sungrow APIs to collect near-real-time data from 30 solar plants and 350 devices at five-minute intervals. • Engineered data-processing and calculation logic to transform raw solar-device readings into operational KPIs and dashboard metrics. • Designed a database-per-tenant MongoDB architecture supporting 30+ tenants with dynamic connections, tenant-level isolation, indexing, and query optimization. • Improved selected MongoDB query response times by approximately 30% through schema refinement, indexing, and query optimization. • Built Node-RED flows for industrial data acquisition, transformation, validation, and integration with backend services and databases. • Implemented JWT authentication, role-based access control, secure API middleware, and Twilio-based Whatsapp and SMS notifications. • Containerized applications with Docker and supported deployments on development servers.

Junior Full Stack Developer

LinkedIn

Sep 2025 - May 2026 • 8 mos

• Built and maintained RESTful APIs using Ruby on Rails, following MVC architecture and RESTful design principles. • Designed and maintained PostgreSQL schemas, database migrations, relationships, and optimized queries to support application features. • Integrated React.js frontend components with Rails APIs for a customer-facing web application. • Diagnosed backend, database, and API-integration issues in collaboration with the development team. • Participated in sprint planning, daily stand-ups, code reviews, and feature testing within an Agile development environment.