Full-Stack Developer (Flutter, React/Next.js & Node.js) – Communication Application @ ARRAK CONSULTING

Job Summary

We are seeking a skilled Full-Stack Developer with 2+ years of professional experience to develop a modern communication application. The system includes a WhatsApp-like mobile experience, a web-based admin/dashboard application, and a scalable backend supporting enterprise features such as Role-Based Access Control (RBAC), menu-based permissions, real-time messaging, and secure communication.

This role is ideal for developers experienced in real-time systems, chat applications, and scalable full-stack architectures.

Role and Responsibilities:

Mobile & Web Frontend

• Develop and maintain a cross-platform mobile application using Flutter
• Build web applications and admin dashboards using React.js and Next.js
• Implement UI using Tailwind CSS and Material UI (MUI)
• Implement menu-based permission systems (dynamic menus based on user roles)
• Ensure responsive, accessible, and high-performance user interfaces

Backend & APIs

• Build scalable backend services using Node.js with TypeScript
• Develop REST APIs using Express.js (NestJS preferred)
• Design and implement RBAC (Role-Based Access Control) and permission systems
• Implement authentication and authorization using JWT / OAuth 2.0
• Implement real-time messaging using WebSockets / Socket.IO Communication & Infrastructure
• Integrate voice and video calling using WebRTC or trusted SDKs
• Manage databases such as PostgreSQL and/or MongoDB
• Implement Redis for caching, presence, and real-time state
• Ensure application security, performance, and reliability
• Collaborate with product, design, and QA teams

Required Skills

Required Qualifications

• 2+ years of professional software development experience
• Strong experience with Flutter (Android & iOS)
• Solid backend experience with Node.js, Express.js, and TypeScript
• Experience with React.js and/or Next.js
• Experience with Tailwind CSS and Material UI
• Understanding of menu-based permissions and RBAC
• Experience with real-time communication systems
• Strong understanding of REST APIs, authentication, and authorization
• Experience working with SQL or NoSQL databases

Preferred / Advanced Skills

• Experience building chat or communication applications
• Deep knowledge of RBAC, permission matrices, and access control
• Familiarity with WebRTC (signaling, STUN/TURN)
• Experience using Redis for caching and presence
• Cloud experience (AWS / GCP)
• Docker and basic DevOps knowledge
• Push notification services (FCM / APNs)
• Experience building admin panels or enterprise dashboards