Python Backend Developer

Do you know askblue?

We were born in 2013, and we provide services in the field of information technology.

We are looking for an Senior Python Back-End Developer to join our company in one of our projects.

Responsibilities

• Design, develop, and maintain backend services and APIs using Python
• Translate architectural designs into scalable, maintainable code
• Build and support data-driven systems (catalogues, models, workflows)
• Ensure performance, security, and reliability of backend applications
• Take full ownership of features from design through deployment
• Develop and execute testing strategies (unit, integration, TDD)
• Participate in code reviews and enforce coding standards
• Mentor junior developers and support team knowledge sharing
• Contribute to architectural discussions and technical design decisions
• Identify and communicate risks, blockers, and dependencies proactively
• Collaborate with cross-functional teams (DevOps, QA, frontend, architects)
• Maintain CI/CD pipelines and support automated deployment processes
• Ensure proper documentation of code, APIs, and architectural decisions
• 7 years of professional experience in backend software development

Technical Skills

• Advanced Python (async programming, type hints, packaging)
• Production experience with FastAPI and async best practices
• Strong OOP and design pattern knowledge

• REST API design (OpenAPI, versioning, pagination, error handling)
• JSON and schema validation (Pydantic, Marshmallow)
• Event-driven architectures and message brokers (e.g. Kafka, RabbitMQ)

• Strong SQL and relational database experience (PostgreSQL, SQL Server)
• Experience with NoSQL (e.g. MongoDB, Redis, Elasticsearch)
• ORM frameworks (SQLAlchemy, Django ORM)

• Docker (multi-stage builds, optimisation)
• Kubernetes basics (deployment, debugging)
• Linux administration and scripting

• Testing (pytest, TDD, integration testing)
• CI/CD pipelines (GitHub Actions, GitLab CI, Azure DevOps)
• Advanced Git usage (branching, merging, conflict resolution)
• Code quality tools (linting, static analysis, type checking)

• Secure coding practices (OWASP Top 10)
• Authentication/authorisation (OAuth2, JWT, OpenID Connect)
• API security (rate limiting, CORS, TLS)

• Understanding of microservices and distributed systems
• Ability to read and contribute to architecture diagrams (UML, C4)
• Agile methodology experience (Scrum ceremonies, backlog refinement)
• Strong communication skills in English

• Experience with metadata standards (e.g. Dublin Core, ISO 19115, STANAG 2586)

• Microsoft Azure (Entra ID, DevOps, Key Vault)

• Logging, monitoring, and metrics (Prometheus, Grafana)
• Distributed tracing (OpenTelemetry)

• Experience with LLM frameworks (LangChain, LlamaIndex)
• Knowledge of Retrieval-Augmented Generation (RAG) pipelines
• Familiarity with AI-assisted development tools

Work Arrangement:

• Remote

Offer:

• Health Insurance;
• 3 and a half days of leave per year + 22 vacation days;
• Unlimited access to Udemy.

If you are interested in the opportunity, upload your C.V. or send it to angela.rei@askblue.com with the reference #16798345 in the subject.

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