Real-Time Full-Stack Developer: Flutter/React, RBAC & Chat

Arrak Consulting; Karachi Division; On-site; PKR 200,000 - 450,000; Full time

Job summary

Arrak Consulting is seeking a skilled Full Stack Developer with 2+ years of professional experience to build a modern communication platform featuring a WhatsApp-like mobile experience, a web admin/dashboard, and scalable backend services.

You will work on real-time messaging, RBAC-based permissions, and secure communication, using Flutter for mobile, React/Next.js for web, Node.js with TypeScript on the backend, and WebSockets. Collaboration with product/design/QA is expected.

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.

Responsibilities

• Front-end development for mobile and web admin dashboards.
• Back-end API development with Node.js/Express and TypeScript.
• Implement RBAC and permission systems; authentication/authorization.
• Develop real-time features using WebSockets/Socket.IO; integrate WebRTC calls.

Skills

Flutter

Node.js

Express.js

TypeScript

React.js

Next.js

Tailwind CSS

Material UI

RBAC

WebSockets

WebRTC

Redis

PostgreSQL

MongoDB

JWT/OAuth

Education

Bachelor's degree in Computer Science

Tools

PostgreSQL

MongoDB

WebSocket/Socket.IO

JWT/OAuth 2.0

Redis

Docker

WebRTC

AWS

GCP

Job description

Arrak Consulting is seeking a skilled Full Stack Developer with 2+ years of professional experience to build a modern communication platform featuring a WhatsApp-like mobile experience, a web admin/dashboard, and scalable backend services.

You will work on real-time messaging, RBAC-based permissions, and secure communication, using Flutter for mobile, React/Next.js for web, Node.js with TypeScript on the backend, and WebSockets. Collaboration with product/design/QA is expected.