We are seeking a Backend Developer with strong experience in Python , API development, databases, data processing, and backend architecture, based in Greece, to join our engineering team. The role focuses on building reliable backend services, scalable APIs, data ingestion mechanisms, processing workflows, automation features, and core platform logic for advanced enterprise software products.
You will work on systems that handle complex technical data, integrate with multiple sources, support operational workflows, and require strong attention to reliability, security, maintainability, and performance.
Responsibilities
- Design, develop, and maintain backend services using Python.
- Build clean, stable, and well-documented REST APIs.
- Develop data ingestion, normalization, enrichment, and processing workflows.
- Work with structured and unstructured technical datasets from internal and external sources.
- Design and maintain database schemas, indexes, queries, and backend data models.
- Implement background workers, scheduled tasks, automation pipelines, and long-running processing jobs.
- Work with PostgreSQL, Redis, object storage, and other backend infrastructure components.
- Implement authentication, authorization, API access controls, rate limiting, and audit-friendly backend logic.
- Build backend support for analytics, reporting, monitoring, workflow automation, and user-facing platform features.
- Collaborate closely with frontend developers to define API contracts and deliver reliable data to the user interface.
- Improve backend performance, error handling, logging, and observability.
- Participate in code reviews, testing, debugging, deployment preparation, and technical documentation.
- Handle proprietary technical information with discretion and professional confidentiality.
Required Technical Skills
- Strong experience with Python .
- Experience with Flask , FastAPI , or Django .
- Good understanding of REST API design.
- Experience with PostgreSQL .
- Strong SQL skills and understanding of database design.
- Experience with Docker and Linux environments.
- Experience with Git and collaborative development workflows.
- Understanding of authentication, JWT, RBAC, and API security principles.
- Experience with background jobs, workers, queues, schedulers, Redis, Celery, or similar technologies.
- Ability to write clean, modular, testable, and maintainable backend code.
- Strong debugging skills in development and production-like environments.
- Ability to understand complex business logic and translate it into reliable backend services.
Nice to Have
- Experience with SQLAlchemy or similar ORM frameworks.
- Experience with large-scale data processing, parsing, enrichment, or da