Backend Developer – Python/FastAPI

Swan Global Holdings Group; Doha; On-site; QAR 78,000 - 123,000; Full time

Job summary

Swan Global Holdings Group in Doha, Qatar seeks a skilled backend developer to design, implement, and maintain the Core System’s backend services using Python and FastAPI.

You will build REST APIs, database components, and system integrations, translating business requirements into reliable software while ensuring security, performance, and maintainability across production systems.

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 integration

Financial transaction processing

Education

Bachelor's degree in Computer Science / Software Engineering or related field

Job description

Develop, integrate, test, and maintain the backend services and business functions of the new Core System using Python and FastAPI.

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.