q
qaim_ra

Syed Qaim Raza

@qaim_ra
4.0(1)

Scalable SaaS and Web Apps, Senior MERN, Rails and DevOps Engineer

Pakistan
English, German, Chinese, French
About me
I am a Senior Software Engineer with 7 years of experience. Specializing in DevOps, Linux infrastructure, and self-hosted application deployment. Build scalable SaaS, AI tools. I configure AWS and Ubuntu VPS servers, deploy full-stack applications, and implement Docker, Nginx, SSL, and CI/CD automation. My experience Python, Flask, Node.js, React, databases, monitoring, and server troubleshooting. I've also deployed secure frontend and backend with MQTT-based data integration. Deliver secure, modular, and lightning-fast code. Message me today to discuss your architecture and project roadmap!... Read more

Skills

q
qaim_ra
Syed Qaim Raza
Offline • 

See my services

DevOps Containerization
I will deploy your docker app on AWS ec2 or vps with nginx and ci cd
Data ETLs
I will build python etl pipelines, API integrations and data automation

Portfolio

Work experience

Hamid

DevOps & Backend Deployment

Hamid • Full-time

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.

LinkedIn

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.

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  • Value of delivery
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    gabrielg1979

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    Great job!!!

    $200-$400

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    8 days

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