Abdullah .

Results-driven Full Stack Software Engineer with commercial experience engineering scalable SaaS applications, CRM platforms, and production AI software. Expert in building modern web platforms using React.js, Next.js, Node.js, Express.js, TypeScript, Prisma, and PostgreSQL. Specialized in high-throughput backend architecture, RBAC authentication systems, third-party enterprise integrations, and state-of-the-art Retrieval-Augmented Generation (RAG) systems for autonomous AI agents.

Full Stack Developer at Aberrant Digital Services (2025-08 – Present)

• SaaS & CRM Engineering: Architect and maintain production-grade multi-tenant SaaS platforms and CRM solutions engineered with Next.js, Node.js, Express.js, Prisma, and PostgreSQL.
• API & Security Architecture: Designed resilient REST APIs handling high-concurrency requests and implemented JWT-based multi-role access control (RBAC), securing sensitive client workflows.
• Payment & Business Integrations: Seamlessly integrated Stripe checkout workflows, webhooks, automated invoicing, and third-party communication channels, reducing billing overhead by 40%.
• Database Performance: Structured relational PostgreSQL schemas and Prisma ORM models, applying query optimization and indexing strategies to maintain sub-100ms API response times.
• AI Integration: Built automated backend workflows leveraging OpenAI and Claude APIs to deliver intelligent task automation and data extraction features for commercial clients.

Bachelor of Computer Science in Computer Science – Abdul Wali Khan University Mardan