Do you know askblue? We were born in 2013, and we provide services in the field of information technology. We are looking for a Senior Python Back-End Developer to join our company in one of our projects.ResponsibilitiesDesign, develop, and maintain backend services and APIs using PythonTranslate architectural designs into scalable, maintainable codeBuild and support data-driven systems (catalogues, models, workflows)Ensure performance, security, and reliability of backend applicationsTake full ownership of features from design through deploymentDevelop and execute testing strategies (unit, integration, TDD)Participate in code reviews and enforce coding standardsMentor junior developers and support team knowledge sharingContribute to architectural discussions and technical design decisionsIdentify and communicate risks, blockers, and dependencies proactivelyCollaborate with cross-functional teams (DevOps, QA, frontend, architects)Maintain CI/CD pipelines and support automated deployment processesEnsure proper documentation of code, APIs, and architectural decisions7 years of professional experience in backend software developmentTechnical SkillsAdvanced Python (async programming, type hints, packaging)Production experience with FastAPI and async best practicesStrong OOP and design pattern knowledgeREST API design (OpenAPI, versioning, pagination, error handling)JSON and schema validation (Pydantic, Marshmallow)Event-driven architectures and message brokers (Kafka, RabbitMQ)Strong SQL and relational database experience (PostgreSQL, SQL Server)Experience with NoSQL (MongoDB, Redis, Elasticsearch)ORM frameworks (SQLAlchemy, Django ORM)Docker (multi-stage builds, optimisation)Kubernetes basics (deployment, debugging)Linux administration and scriptingTesting (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 systemsAbility to read and contribute to architecture diagrams (UML, C4)Agile methodology experience (Scrum ceremonies, backlog refinement)Strong communication skills in EnglishExperience 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) pipelinesFamiliarity with AI-assisted development toolsWork ArrangementRemoteOfferHealth Insurance3 and a half days of leave per year + 22 vacation daysUnlimited access to UdemyIf 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.askblue - Where Business meets Technology#J-18808-Ljbffr