Islahuddin Islahuddin

Full Stack Engineer with 4 years of experience shipping production SaaS platforms and high-traffic mobile backends for millions of users. Builds AI-native, agentic products — from LLM-powered automation and chatbots to CRM-integration engines — using an AI-first, "vibe coding" workflow (Claude Code, Cursor, Antigravity) that compresses delivery cycles without sacrificing code quality. Deep hands-on expertise across the MERN/Next.js stack, multi-tenant architecture, SQL & NoSQL data design, and multi-cloud deployment (AWS, GCP, Azure).

Proven adaptability across startup and enterprise environments, remote and onsite, with a track record of owning systems end-to-end — architecture through production.

Full Stack Developer at Mexil.it (2025-10 – Present)

• Led legacy migration of a core SaaS product from Node.js/Express/MySQL to Next.js + MongoDB, boosting performance and maintainability.
• Built backend infrastructure for a high-traffic mobile app serving millions of users across multiple regions.
• Implemented two-way Salesforce integration for customer management and order processing.
• Used RabbitMQ + WebSockets for event-driven, real-time notifications; built a 4-language multilingual platform architecture.

Backend / Full Stack Developer at Humai-AI (2025-03 – 2025-09)

• Lead backend engineer for Huscribe, a SaaS platform automating Salesforce, HubSpot, Dynamics 365, Asana, and Zoho via AI agents.
• Architected a multi-tenant Node.js/Express backend on MongoDB + GCP supporting high-volume automation workflows.
• Built secure REST APIs, webhook processors, and cron-based job pipelines; implemented JWT auth, RBAC, and tenant isolation.
• Integrated 20+ CRMs and AI tools, improving data synchronization and operational efficiency.

Backend Developer at Bridge Zone (2023-10 – 2025-03)

• Built and deployed backend systems for ~12 mobile apps using Node.js, Express, and MongoDB.
• Designed RESTful APIs and real-time features (auth, live chat, push notifications) with WebSockets and Firebase.
• Deployed on AWS (EC2, S3, Elastic Beanstalk); managed microservices and optimized database queries in production.

Full Stack Developer (Internship) at Allied Consultants (2023-03 – 2023-10)

• Developed frontend features with React.js/Redux and backend APIs with Node.js and Django REST Framework; contributed to DB design and Docker-based deployment.

B.S.Ed. in Bachelor of Science in Education – University of the Punjab

F.Sc. in Pre-Engineering – Allama Iqbal College, Sialkot