Python Engineer (Backend and Data)

GSSTech Group; Dubai; Presencial; AED 300.000 - 600.000; Jornada completa

Descripción de la vacante

GSSTech Group is seeking a Senior Python Engineer to design, build and run scalable backend systems powering data-driven applications. You will create secure, high-performance APIs and microservices, and own ETL/data transformation pipelines from ingestion to delivery.

The role requires strong Python backend experience with FastAPI/Flask, asyncio, microservices, and API security. You will collaborate across teams to ensure production-grade code, tests and deployment processes.

Formación

• Bachelor's degree in Computer Science, Information Technology or related field.
• 5+ years of professional Python backend development.
• Strong hands-on experience with FastAPI and/or Flask; working knowledge of Django.
• Proven asyncio and concurrent programming experience.
• Solid understanding of microservices architecture and API security (OAuth, JWT).
• Strong SQL skills with SQLAlchemy or Django ORM; relational and NoSQL databases.

Responsabilidades

• Develop backend systems and RESTful APIs/microservices in Python.
• Build asynchronous, high-concurrency services with asyncio.
• Design scalable internal web frameworks for production use.
• Collaborate with frontend teams to connect UI with server logic.
• Write clean, well-documented code and maintain CI/CD pipelines.
• Implement security, authentication, and encryption across services.

Conocimientos

Python backend

Asyncio

Microservices

API security

CI/CD

Git

Problem solving

Communication

Educación

Bachelor's degree in CS/IT

Herramientas

FastAPI

Flask

Django

SQLAlchemy

Kafka

Spark

Docker

Kubernetes

Descripción del empleo

Описание:

We are hiring a Senior Python Engineer to design, build and run scalable backend systems that power data driven applications. You will develop secure, high performance APIs and microservices, build backend services that serve datasets efficiently, and own data transformation pipelines from ingestion to delivery. This role suits an engineer who writes clean production code and also takes ownership of how that code is tested, deployed and run in production.

Задачи:

• Backend and API Development
• Design, develop and maintain RESTful APIs and microservices using Python (FastAPI, Flask, Django)
• Build asynchronous, high concurrency services using asyncio, and optimise I/O operations for performance
• Design and maintain scalable internal web frameworks and take them to production
• Work with front end teams to integrate user facing features with server side logic
• Write clean, efficient, well documented code that follows coding standards
• API Security Implement authentication, authorisation and encryption across microservices Secure APIs using OAuth 2.0, JWT and API gateways
• Data Access and Database Management
• Build backend systems that serve datasets through APIs and other interfaces
• Implement data access layers using ORMs such as SQLAlchemy and Django ORM (models, CRUD, querying, transactions)
• Design and optimise database schemas for relational and NoSQL stores
• Tune query and database performance for fast, reliable data retrieval
• Data Transformation and ETL
• Design and maintain ETL pipelines to extract, clean, aggregate and enrich data
• Ensure data integrity, quality and consistency across all transformation processes
• Work with big data and streaming technologies such as Spark, Kafka and Hadoop
• Engineering Practices and DevOps
• Build and maintain CI/CD pipelines for automated testing and deployment
• Write unit and integration tests and debug production issues using logging and profiling tools
• Use Git for version control, branching, code reviews and pull requests
• Produce clear technical documentation and contribute to code reviews

Требования:

• Bachelor's degree in Computer Science, Information Technology or a related field
• 5+ years of professional experience in Python backend development
• Strong hands on experience with FastAPI and/or Flask, plus working knowledge of Django
• Proven experience with asyncio and concurrent programming
• Solid understanding of microservices architecture
• Experience securing APIs with OAuth, JWT and API gateways
• Strong SQL skills and experience with SQLAlchemy or Django ORM
• Experience with relational (PostgreSQL, MySQL, Oracle) and NoSQL (MongoDB, Redis, Cassandra) databases
• Experience building ETL or data transformation pipelines
• Familiarity with big data technologies (Spark, Kafka, Hadoop) and data warehousing concepts
• Experience building and maintaining CI/CD pipelines (Jenkins, GitLab CI, GitHub Actions, Azure DevOps)
• Proficiency in Shell scripting
• Strong Git and collaborative development experience
• Strong problem solving skills and attention to detail
• Excellent communication skills with technical and business stakeholders
• Experience with cloud platforms (AWS, Azure or GCP)
• Containerisation and orchestration with Docker and Kubernetes
• Knowledge of data governance, compliance and data security best practices
• Experience in banking, fintech or other regulated environments