Backend Developer – Python/FastAPI - Perm

PPL Dynamics; Doha; On-site; QAR 180,000 - 300,000; Full time

Job summary

PPL Dynamics is seeking a backend developer to build secure, scalable Python/FastAPI applications. You will create REST APIs, manage relational databases, and ensure smooth integration with internal and external systems.

Your work includes testing, debugging, performance optimization, and maintaining API documentation while supporting deployments and production issues.

Qualifications

• Bachelor's degree in Computer Science, Software Engineering, or a related field.
• Practical experience in Python, FastAPI, REST APIs, and relational databases.
• Knowledge of SQL, Git, API security, automated testing, and containerization.
• Understanding of system integrations and financial transaction processing is preferred.
• Strong analytical, troubleshooting, and problem-solving skills.

Responsibilities

• Develop secure and scalable backend applications using Python and FastAPI.
• Build and maintain REST APIs, database components, and system integrations.
• Convert approved business requirements into reliable system functions.
• Integrate the Core System with internal applications and external service providers.
• Perform unit testing, debugging, performance optimization, and defect resolution.
• Apply authentication, authorization, validation, logging, and audit-trail requirements.
• Support data migration, user acceptance testing, deployment, and production issues.
• Prepare and maintain technical and API documentation.

Skills

Python

FastAPI

REST APIs

Relational databases

SQL

Git

API security

Automated testing

Containerization

System integrations

Education

Bachelor's degree in CS/Software Engineering

Tools

Docker

Job description

Key Responsibilities:

• Develop secure and scalable backend applications using Python and FastAPI.
• Build and maintain REST APIs, database components, and system integrations.
• Convert approved business requirements into reliable system functions.
• Integrate the Core System with internal applications and external service providers.
• Perform unit testing, debugging, performance optimization, and defect resolution.
• Apply authentication, authorization, validation, logging, and audit-trail requirements.
• Support data migration, user acceptance testing, deployment, and production issues.
• Prepare and maintain technical and API documentation.

Requirements:

• Bachelor's degree in Computer Science, Software Engineering, or a related field.
• Practical experience in Python, FastAPI, REST APIs, and relational databases.
• Knowledge of SQL, Git, API security, automated testing, and containerization.
• Understanding of system integrations and financial transaction processing is preferred.
• Strong analytical, troubleshooting, and problem-solving skills.