Qureos

Find The RightJob.

Full Stack Engineer

Job Summary

We are looking for a highly skilled Full Stack Engineer with strong expertise in the MERN stack, Python backend development, and AI-powered application integration. The ideal candidate will design, develop, and maintain scalable web applications, APIs, and intelligent systems using modern JavaScript frameworks, Python services, and AI/ML technologies.

You will work across the entire software development lifecycle — from frontend UI/UX implementation to backend architecture, cloud deployment, database optimization, and AI feature integration.

This is an ONSITE Role based in DHA Phase 2, Islamabad, Pakistan

Key Responsibilities

Frontend Development

(MERN)React.js Development

  • Build responsive, scalable, and high-performance web applications using React.js.
  • Develop reusable UI components and frontend libraries.
  • Implement state management using:
  • Redux
  • Context API
  • Zustand / Recoil (optional)
  • Optimize applications for:
  • Performance
  • SEO
  • Accessibility
  • Mobile responsiveness

UI/UX Integration

  • Convert Figma/Adobe XD designs into responsive interfaces.
  • Work with Tailwind CSS, Material UI, Bootstrap, or Chakra UI.
  • Implement animations and interactive experiences.

Frontend Architecture

  • Implement modular and scalable component architecture.
  • Handle client-side routing using React Router.
  • Integrate frontend with REST APIs and GraphQL services.

Backend Development

Node.js & Express.js

  • Develop scalable RESTful APIs using Node.js and Express.js.
  • Implement:
  • Authentication & authorization
  • Role-based access control (RBAC)
  • API security best practices
  • Build microservices and event-driven systems.
  • Manage middleware, request validation, and error handling.

Python Development

  • Develop backend services using Python frameworks such as:
  • FastAPI
  • Flask
  • Django (optional)
  • Build AI/ML service layers and data-processing pipelines.
  • Create automation scripts, ETL jobs, and AI integrations.
  • Design asynchronous processing systems using:
  • Celery
  • RabbitMQ
  • Kafka

AI & Machine Learning Responsibilities

AI Integration

  • Integrate AI APIs such as:
  • OpenAI APIs
  • Anthropic APIs
  • Gemini APIs
  • Hugging Face models
  • Build AI-powered features including:
  • Chatbots
  • AI assistants
  • Recommendation systems
  • Semantic search
  • Document summarization
  • OCR pipelines
  • n8n

LLM Application Development

  • Implement Retrieval-Augmented Generation (RAG) systems.
  • Build vector database integrations using:
  • Pinecone
  • Weaviate
  • ChromaDB
  • FAISS
  • Create prompt engineering pipelines.
  • Fine-tune and evaluate AI model outputs.

AI Infrastructure

Work with:

  • LangChain
  • LlamaIndex
  • Haystack
  • Build AI workflows and agent systems.
  • Optimize AI inference performance and token usage.
  • n8n

Database Management

MongoDB

  • Design scalable NoSQL database schemas.
  • Implement aggregation pipelines and indexing strategies.
  • Optimize database performance.

SQL Databases (Optional but Preferred)

  • PostgreSQL
  • MySQL

Vector Databases

  • Manage embeddings and semantic search infrastructure.

Cloud & DevOps Responsibilities

Cloud Platforms

Experience with:

  • AWS
  • Azure
  • Google Cloud Platform (GCP)

Deployment & Infrastructure

  • Containerize applications using Docker.

Security Responsibilities

  • Implement secure authentication:
  • JWT
  • OAuth
  • Firebase Auth
  • Auth0
  • Prevent vulnerabilities:
  • XSS
  • CSRF
  • SQL Injection
  • NoSQL Injection
  • Secure APIs and AI endpoints.
  • Build CI/CD pipelines using:
  • GitHub Actions
  • GitLab CI/CD
  • Jenkins

Deploy applications using:

  • Kubernetes
  • Docker Compose
  • Vercel
  • Netlify
  • Render

Required Technical Skills

Core Technologies

Frontend

  • React.js
  • JavaScript (ES6+)
  • TypeScript
  • HTML5
  • CSS3
  • Tailwind CSS

Backend

  • Node.js
  • Next.js
  • Express.js
  • Python
  • FastAPI / Flask

Databases

  • MongoDB
  • Redis
  • PostgreSQL (preferred)

AI/ML

  • OpenAI API
  • LangChain
  • Vector databases
  • Embeddings
  • Prompt engineering
  • n8n

Preferred Qualifications

  • Bachelor’s degree in Computer Science or related field.
  • 4+ years of Full Stack development experience.
  • Experience building AI-enabled SaaS products.
  • Experience with scalable cloud-native architectures.
  • Familiarity with MLOps concepts.
  • Experience with real-time applications using:
  • WebSockets
  • Socket.IO

This is an ONSITE Role based in DHA Phase 2, Islamabad, Pakistan

Work Location: In person

© 2026 Qureos. All rights reserved.