
khalidk.
Code, Create and Automate: Web, Mobile and AI Solutions That Scale
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Senior Backend Engineer
AIO • Fulltime
Nov 2025 - Present • 7 mos
Developing scalable SaaS platforms using NestJS, Node.js, TypeScript, PostgreSQL, AWS, Amazon SQS, and EventBridge. Specialized in microservices architecture, event-driven systems, REST APIs, cloud-native applications, and full-stack development with Next.js. Experienced in leading engineering teams, mentoring developers, and building highly scalable solutions for growing SaaS products.
Senior Software Engineer
Self Employed • Fulltime
Apr 2022 - Nov 2025 • 3 yrs 7 mos
Developed scalable microservices, cloud infrastructure, and AI-powered applications using Node.js, NestJS, TypeScript, AWS, Azure, Docker, Kubernetes, Terraform, PostgreSQL, MongoDB, and Redis. Built CI/CD pipelines, automated infrastructure provisioning, optimized application performance, and contributed to full-stack development with React.js and Next.js. Specialized in distributed systems, cloud-native architectures, DevOps automation, and AI platform development.