Mirza Najafov

AI company behind Obsera, a SaaS platform for media monitoring, social media management and AI content generation.

• Own backend services and REST APIs in Node.js, NestJS and TypeScript from design to production.
• Design and build the payment system with Stripe, including checkout, subscriptions and webhook handling.
• Build and maintain React/TypeScript front-end features, turning designs into responsive UI.
• Develop large-scale web scraping pipelines collecting data from news websites and social media platforms for AI-driven media monitoring.
• Prepare datasets and training workflows in Python for NLP models, including sentiment analysis.
• Wrote data ingestion services in Go.

Meme and AI content platform with millions of active users.

• Planned and led the migration of the core codebase from PHP to NestJS and TypeScript.
• Migrated the multilingual (i18n) support from PHP to the new NestJS backend, keeping localized content working for users across languages.
• Moved heavy image processing into background workers with Redis and BullMQ, so API requests no longer wait on long-running jobs.
• Built the AI image processing service, integrating third-party AI APIs and handling file storage and processing jobs.
• Designed the PostgreSQL schema with Prisma for asset processing.
• Added Jest unit tests to migrated modules to catch regressions early.

Technology consultancy building backend systems for enterprise clients.

• Built REST APIs in Node.js and NestJS for client projects and tuned slow SQL queries.
• Set up asynchronous processing pipelines to reduce data latency.
• Led refactoring work that shortened development cycles by ~20%.
• Agreed API contracts with frontend teams and supported client-side integration.

E-commerce platform providing real-time upsells for high-volume Shopify and Wix stores.

• Developed and maintained REST APIs using Node.js, TypeScript and NestJS, reducing response times for critical services by ~20%.
• Led a large codebase refactoring that improved performance by ~25% and cleared a lot of accumulated tech debt.
• Improved caching and AWS deployment workflows, reducing production incidents.
• Built backend integrations and payment processing pipelines for Minta.ai, an AI-powered video automation platform.
• Maintained and scaled the core backend infrastructure for ReConvert.io to support high-traffic e-commerce operations.

• Built backend services and REST APIs for small business clients using Node.js, Express and PHP.
• Developed e-commerce sites, admin panels and booking systems with MySQL and MongoDB.
• Handled deployment and maintenance of client projects on VPS servers.

• Mentor backend engineering students by conducting code reviews and guiding their architectural decisions.
• Evaluate graduation projects (including clones of platforms like Upwork and Twitter), focusing on code reliability, security, and database query optimization.
• Updated the course curriculum to focus on modern backend best practices, database normalization, and clean code principles.