Saifullah R is a versatile software engineer with three years of experience specializing in the MERN/MEVN ecosystem, delivering full-stack applications, modernizing legacy systems, and contributing to highly technical R&D initiatives. At Teresol, he played a key role in upgrading core banking modules for Bank Al-Habib, developed use cases for mission-critical financial systems, and worked in a specialized research team building proprietary tools including a custom transpiler, VS Code extensions, and a language server. His…
◦ Developed a real-time chat and voice platform integrating Twilio Conversations API for unified messaging, voice, and media sharing, featuring authentication and access control mechanisms. The system is being rolled out across 50 client offices (around 200 users) with planned expansion to over 350 locations (serving more than 2,500 users). ◦ Stack: Vue 3, Quasar, Pinia, Node.js, Express, TypeScript, MongoDB, Redis, Twilio.
◦ Developed a production-grade IVR Management System with real-time routing, prompt configuration, and call analytics. Currently in production and processing 20,000–50,000 monthly calls with 99.8% uptime since deployment. ◦ Stack: Vue 3, Pinia, Vuetify, Node.js, Express, TypeScript, Supabase, Twilio.
◦ Built internal tooling including a DSL transpiler, language server, and VS Code extensions. Modified VS Code’s open-source core and extended Volar for syntax highlighting, IntelliSense, and diagnostic support. ◦ Stack: TypeScript, Node.js, Vue 3, Webpack, Vite, Rollup, Babel, C++.
◦ Contributed to the refactoring and modernization of Bank Al Habib’s core banking system, deployed across more than 1,200 branches nationwide. ◦ Worked on multiple use cases within major modules such as CRM, Teller, and Credit Management, including the Account Opening use case that serves more than 1,500 new customers daily. ◦ Led the integration of biometric fingerprint devices into the core web application after extensive R&D, achieving stable communication with NADRA verification services for secure and compliant customer on boarding. ◦ Improved frontend responsiveness and reduced latency across key workflows by modularizing components and implementing Webpack 5 Module Federation to modularize the system and support microservice-aligned frontend architecture, resulting in a faster and more maintainable development experience. ◦ Stack: Vue 3, Vuex, Pinia, XState, Webpack 5 Module Federation, Electron, Java, Quarkus, node-gyp.
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Saifullah R is a versatile software engineer with three years of experience specializing in the MERN/MEVN ecosystem, delivering full-stack applications, modernizing legacy systems, and contributing to highly technical R&D initiatives. At Teresol, he played a key role in upgrading core banking modules for Bank Al-Habib, developed use cases for mission-critical financial systems, and worked in a specialized research team building proprietary tools including a custom transpiler, VS Code extensions, and a language server. His…
◦ Developed a real-time chat and voice platform integrating Twilio Conversations API for unified messaging, voice, and media sharing, featuring authentication and access control mechanisms. The system is being rolled out across 50 client offices (around 200 users) with planned expansion to over 350 locations (serving more than 2,500 users). ◦ Stack: Vue 3, Quasar, Pinia, Node.js, Express, TypeScript, MongoDB, Redis, Twilio.
◦ Developed a production-grade IVR Management System with real-time routing, prompt configuration, and call analytics. Currently in production and processing 20,000–50,000 monthly calls with 99.8% uptime since deployment. ◦ Stack: Vue 3, Pinia, Vuetify, Node.js, Express, TypeScript, Supabase, Twilio.
◦ Built internal tooling including a DSL transpiler, language server, and VS Code extensions. Modified VS Code’s open-source core and extended Volar for syntax highlighting, IntelliSense, and diagnostic support. ◦ Stack: TypeScript, Node.js, Vue 3, Webpack, Vite, Rollup, Babel, C++.
◦ Contributed to the refactoring and modernization of Bank Al Habib’s core banking system, deployed across more than 1,200 branches nationwide. ◦ Worked on multiple use cases within major modules such as CRM, Teller, and Credit Management, including the Account Opening use case that serves more than 1,500 new customers daily. ◦ Led the integration of biometric fingerprint devices into the core web application after extensive R&D, achieving stable communication with NADRA verification services for secure and compliant customer on boarding. ◦ Improved frontend responsiveness and reduced latency across key workflows by modularizing components and implementing Webpack 5 Module Federation to modularize the system and support microservice-aligned frontend architecture, resulting in a faster and more maintainable development experience. ◦ Stack: Vue 3, Vuex, Pinia, XState, Webpack 5 Module Federation, Electron, Java, Quarkus, node-gyp.
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