Python Backend Engineer

List International Group; Abu Dhabi; On-site; AED 320,000 - 520,000; Full time

Job summary

List International Group in Abu Dhabi is seeking a Python Backend Engineer to design, develop, and maintain scalable backend systems powering our AI-driven SaaS platform. You will build secure APIs, work with REST and GraphQL, and collaborate with cross-functional teams to deliver reliable software.

The ideal candidate has 5+ years of Python backend experience, strong knowledge of FastAPI/Flask/Django, and hands-on experience with PostgreSQL, Redis, and Docker.

Qualifications

• 5+ years of professional Python backend experience.
• Strong Python proficiency and backend design.
• Experience with FastAPI, Flask, or Django.
• REST API and GraphQL design principles.
• Experience building scalable backend architectures.
• PostgreSQL and MySQL proficiency.
• NoSQL databases such as MongoDB or Redis.
• Familiarity with Docker and containerized applications.
• Knowledge of CI/CD pipelines.
• Experience with testing (PyTest, unit/integration).
• Strong debugging and performance optimization skills.

Responsibilities

• Design, develop, and maintain scalable backend services.
• Build secure RESTful and GraphQL APIs.
• Develop scalable microservices and distributed backend systems.
• Integrate third-party APIs including payments and CRM.
• Design efficient database schemas and optimize SQL queries.
• Work with PostgreSQL, MySQL, Redis, MongoDB and other storage tech.
• Implement authentication and authorization (JWT, OAuth2, API Keys).
• Write reusable, maintainable code following clean architecture.
• Build unit, integration, and API tests for reliability.
• Monitor, troubleshoot, and optimize production performance.
• Collaborate with Frontend, DevOps, QA, PM, and AI engineers.
• Participate in architecture reviews and code reviews.

Skills

Python

FastAPI

Flask

Django

REST APIs

GraphQL

PostgreSQL

MySQL

NoSQL

Docker

Git

Async programming

Tools

Redis

MongoDB

Kubernetes

CI/CD

RabbitMQ

Job description

We are looking for a Python Backend Engineer to join our engineering team. In this role, you will be responsible for designing, developing, and maintaining scalable backend systems that power our AI-driven SaaS platform.

You will build secure APIs, integrate with third-party services, optimize database performance, and contribute to the architecture of high-availability systems. The ideal candidate enjoys solving complex engineering challenges, writing clean and maintainable code, and working in a fast-paced, product-focused environment.

Responsibilities

• Design, develop, and maintain scalable backend services using Python.
  
• Build production-ready applications using FastAPI, Flask, or Django.
  
• Design and implement secure RESTful APIs and GraphQL APIs.
  
• Develop scalable microservices and distributed backend systems.
  
• Integrate third-party APIs including payment gateways, CRM systems, AI platforms, communication services, and external SaaS providers.
  
• Design efficient database schemas and optimize complex SQL queries.
  
• Work with PostgreSQL, MySQL, Redis, MongoDB, and other data storage technologies.
  
• Implement authentication and authorization mechanisms (JWT, OAuth2, API Keys).
  
• Write reusable, maintainable, and well-documented code following clean architecture principles.
  
• Build unit, integration, and API tests to ensure application reliability.
  
• Monitor, troubleshoot, and optimize backend performance in production environments.
  
• Collaborate closely with Frontend Engineers, DevOps Engineers, QA Engineers, Product Managers, and AI Engineers.
  
• Participate in architecture discussions, code reviews, and technical planning.
  
• Maintain high standards for security, scalability, and code quality.
  

Requirements

• 5+ years of professional experience in Python backend development.
  
• Strong proficiency in Python programming.
  
• Solid experience with FastAPI, Flask, or Django.
  
• Strong understanding of REST API and GraphQL design principles.
  
• Experience building scalable backend architectures.
  
• Excellent knowledge of PostgreSQL and/or MySQL.
  
• Experience with NoSQL databases such as MongoDB or Redis.
  
• Strong understanding of software architecture, OOP, SOLID Principles, and Design Patterns.
  
• Experience with Git and collaborative development workflows.
  
• Knowledge of asynchronous programming (async/await).
  
• Familiarity with Docker and containerized applications.
  
• Understanding of CI/CD pipelines.
  
• Experience writing automated tests (PyTest, Unit Testing, Integration Testing).
  
• Strong debugging and performance optimization skills.
  
• Excellent analytical, communication, and problem-solving abilities.
  

Preferred Qualifications

Experience with any of the following is a strong plus:

• AI/LLM integrations (OpenAI, Anthropic, Gemini, DeepSeek)
  
• LangChain or AI agent frameworks
  
• Celery and background task processing
  
• RabbitMQ, Kafka, or message queues
  
• WebSockets and real-time communication
  
• Elasticsearch
  
• Kubernetes
  
• AWS, Azure, or Google Cloud
  
• Nginx
  
• Linux server administration
  
• Multi-tenant SaaS architecture
  
• CRM integrations (Salesforce, Zoho, HubSpot, Odoo)