Muhammad I

Software Engineer

Aug 2025 - Present • 9 mos

Built Klivy, a B2B SaaS platform designed for freelancers and agencies to manage their entire business workflow in one place — from lead generation to invoicing, project tracking, and automated client follow-ups. Core Features Developed a complete CRM & lead management system with Kanban pipelines and automated follow-ups. Built quotes and invoicing modules with PDF generation, e-signatures, deposits, and credit notes. Implemented project management tools including milestones, time tracking, and budget monitoring. Created a client portal to improve collaboration and communication. Integrated Stripe subscriptions for SaaS billing and Stripe Connect for client payments. Developed a financial dashboard with real-time business insights. Added in-app notifications for better workflow management. Security & Scalability Implemented full authentication system with JWT, refresh token rotation, password reset, session management, and 2FA (TOTP). Built a multi-tenant architecture with role-based access control (OWNER / ADMIN / MANAGER / MEMBER / VIEWER). Created subscription plans and feature entitlements (TRIAL / SOLO / PRO / BUSINESS). Optimized performance with Redis caching in production. Tech Stack Next.js, TypeScript, NestJS, PostgreSQL, Prisma ORM, Redis, Stripe, Stripe Connect, React Native (Expo), JWT Authentication, Resend, Brevo, Mailgun.

Lead Developer

Dec 2024 - Present • 1 yr 5 mos

A B2B SaaS platform designed for freelancers and agencies to manage their entire business workflow in one place — from lead generation to invoicing, project tracking, and automated client follow-ups. Core Features : Developed a complete CRM & lead management system with Kanban pipelines and automated follow-ups. Built quotes and invoicing modules with PDF generation, e-signatures, deposits, and credit notes. Implemented project management tools including milestones, time tracking, and budget monitoring. Created a client portal to improve collaboration and communication. Integrated Stripe subscriptions for SaaS billing and Stripe Connect for client payments. Developed a financial dashboard with real-time business insights. Added in-app notifications for better workflow management. Security & Scalability : Implemented full authentication system with JWT, refresh token rotation, password reset, session management, and 2FA (TOTP). Built a multi-tenant architecture with role-based access control (OWNER / ADMIN / MANAGER / MEMBER / VIEWER). Created subscription plans and feature entitlements (TRIAL / SOLO / PRO / BUSINESS). Optimized performance with Redis caching in production. Tech Stack : Next.js, TypeScript, NestJS, PostgreSQL, Prisma ORM, Redis, Stripe, Stripe Connect, React Native (Expo), JWT Authentication, Resend, Brevo, Mailgun.

Software Engineer

Dec 2021 - Sep 2025 • 3 yrs 9 mos

Developing, and maintaining reliable, modern, and scalable web applications by covering the full development lifecycle — backend, frontend, and DevOps infrastructure. Key Achievements : Developed scalable RESTful APIs using Symfony, NestJS, and Prisma, including microservices architecture, secure data flows, performance optimization, and automated testing implementation. Built high-performance and accessible frontend applications with Next.js and TypeScript, integrating design systems while ensuring strong UX/UI standards. Managed DevOps infrastructure through Docker, Portainer, and GitHub Actions, including legacy environment migrations and CI/CD pipelines for automated testing, builds, and deployments. Delivered Projects : Banking gamification platform focused on scoring systems, KPI tracking, and security compliance. Ongoing maintenance and optimization of an e-commerce platform, including bug fixes and feature improvements. Development of internal business intranets for insurance and tire industries to centralize data and automate internal workflows. Continuous maintenance of a WordPress website with performance optimization, security improvements, and regular updates. Tech Stack : Symfony, NestJS, Prisma, Next.js, TypeScript, Docker, Portainer, GitHub Actions, WordPress, REST APIs, Git, Node.js, JavaScript.