Backend Developer Python (remote from EU) - Deadline 30/04/26

Role Overview
The Senior Python Back-End Developer (Profile 8.B Senior) supports the CMRE Data Management Programme, focusing on the design, development, and maintenance of scalable backend systems and APIs.
The role is centered on building core data capabilities, including:
Data Catalogue

Data Domain Model

Data Sharing Workflows

Working within an Agile environment under the guidance of a Software Architect, the developer translates architectural designs into secure, high-performance, production-grade solutions. The role requires strong ownership across the full software lifecycle—from design through deployment—along with active participation in technical decision-making and team collaboration.

Key Duties and 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

Mandatory Requirements
Experience
Minimum 7 years of professional experience in backend software development

Technical Skills
Programming & Frameworks
Advanced Python (async programming, type hints, packaging)

Production experience with FastAPI and async best practices

Strong OOP and design pattern knowledge

API Development
REST API design (OpenAPI, versioning, pagination, error handling)

JSON and schema validation (Pydantic, Marshmallow)

Event-driven architectures and message brokers (e.g. Kafka, RabbitMQ)

Databases
Strong SQL and relational database experience (PostgreSQL, SQL Server)

Experience with NoSQL (e.g. MongoDB, Redis, Elasticsearch)

ORM frameworks (SQLAlchemy, Django ORM)

Infrastructure & DevOps
Docker (multi-stage builds, optimisation)

Kubernetes basics (deployment, debugging)

Linux administration and scripting

Software Engineering Practices
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)

Security
Secure coding practices (OWASP Top 10)

Authentication/authorisation (OAuth2, JWT, OpenID Connect)

API security (rate limiting, CORS, TLS)

Architecture & Collaboration
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

Desirable Requirements
Data Management & Standards
Experience with metadata standards (e.g. Dublin Core, ISO 19115, STANAG 2586)

Knowledge of Semantic Web technologies (RDF, DCAT, Apache Jena)

Cloud & Platforms
Microsoft Azure (Entra ID, DevOps, Key Vault)

Cloud-native development and services

Observability
Logging, monitoring, and metrics (Prometheus, Grafana)

Distributed tracing (OpenTelemetry)

AI / Advanced Technologies
Experience with LLM frameworks (LangChain, LlamaIndex)

Knowledge of Retrieval-Augmented Generation (RAG) pipelines

Familiarity with AI-assisted development tools

Level: Senior
Delivery mode : Remote from EU
Only EU Citizens