Sr. Full Stack Node.js Developer - REMOTE

Job details

Job Description: About the role We are an independent software company building AI-powered SaaS products for text, photo and video processing. We are seeking a Senior Full Stack Node.js Developer for a remote contract engagement supporting backend services, worker infrastructure and lightweight frontend. This role is remote and open to candidates located in Pakistan (Karachi preferred). Responsibilities • Design, implement and maintain Node.js/Express backend services and REST APIs with routing, error handling and performance optimization. • Develop and maintain PostgreSQL schema changes and migrations; write efficient queries and tune indexes. • Implement and support background job queues and worker infrastructure (e.g., Bull, Bee-Queue or similar). • Use Redis for caching, pub/sub and rate limiting. • Integrate webhooks and third-party APIs including payments and provider routing. • Implement automated testing (unit & integration), follow TDD and CI/CD practices. • Maintain observability: logging and error monitoring for production services. • Work in GitHub: PR workflows, branch protection and code review; collaborate with AI-assisted tooling as needed. • Implement lightweight frontend UIs using Vanilla JS and Alpine.js.Job Specification: Must-have • Node.js (Express) • REST API design • PostgreSQL (schema design, migrations, query optimization) • Background job queues & workers (Bull, Bee-Queue or similar) • Redis (caching, pub/sub, rate limiting) • Webhook & third-party API integrations (payments/webhooks) • Automated testing (unit & integration), TDD • CI/CD • Vanilla JS, Alpine.js • Logging/error monitoring • Git and PR workflows • Good written/verbal English Nice-to-have • Vector databases (pgvector) • RAG experience