Backend Developer

Backend Developer with strong experience in Python, API development, databases, data processing, and backend architecture, based in Greece, to join AI2CYBER's engineering team. Focus on building reliable backend services, scalable APIs, and core platform logic for enterprise software products.

Location: Greece

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.

Requirements

• 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.

Benefits

• Work on advanced backend systems with real technical depth.
• Opportunity to build core platform components, not just minor features.
• Exposure to data processing, automation, analytics, monitoring, and secure software engineering.
• A demanding but rewarding technical environment.
• Space to take ownership and contribute to long-term product architecture.
• Highly competitive salary reviewed upwards on a regular basis.
• Working from home: Hit your goals from the comfort of your home because we value performance, not the place.
• Personal and professional development, amongst industry experts and talented people.

Additional Information

• The role is based in Greece and only available to Greek residents.
• The candidate will work on proprietary backend systems and sensitive product logic, with confidentiality maintained.