Senior Back-End Developer Job Belgium area,Town of Belgium Wisconsin USA,Software Development

Location: Town of Belgium

Designing and developing robust server-side applications and APIs supporting the CMRE Data Management Program of Work ;
Building and maintaining the CMRE Data Catalogue, Data Domain Model, and Data Sharing Workflows ;
Translating architectural designs and specifications into production ‑ grade, secure, and high ‑ performance code ;
Working within an Agile development team under the guidance of the Software Architect ;
Taking end ‑ to ‑ end ownership of delivered features, including technical design, implementation, testing, and deployment ;
Ensuring high standards of code quality, security, scalability, and performance ;
Participating in code reviews to maintain and improve codebase quality ;
Mentoring and supporting junior developers through technical guidance and knowledge sharing ;
Contributing to architectural discussions and technical decision ‑ making ;
Proactively identifying, communicating, and mitigating technical risks and impediments ;
Providing clear and timely communication on progress, issues, and blockers to the team lead and project management ;
Collaborating closely with cross ‑ functional stakeholders to ensure successful delivery of solutions ;

Mandatory r equirements :

Python:
Advanced proficiency; clean, idiomatic code; familiarity with the ecosystem (virtual environments, packaging, type hints, async/await)
Frameworks:
Production experience with FastAPI famwork and async best practices
OOP & design patterns:
Solid object-oriented design skills; familiarity with common design patterns (factory, strategy, repository, dependency injection)
Performance:
Profiling, caching strategies, connection pooling, async processing, background task queues (Celery, Dramatiq , or equivalent)
Data formats: JSON, JSON Schema validation; familiarity with serialisation libraries ( Pydantic , Marshmallow)
Event-driven systems:
Message brokers (Rabbit

MQ, Redis Queue , Kafka, etc.), pub/sub patterns, async task processing
Relational databases:
Strong SQL skills; experience with Postgre

SQL and/or SQL Server; schema design, indexing, query optimisation , migrations
No

SQL databases:
Working knowledge of at least one document, key-value, or search store (Mongo

DB, Redis, Elasticsearch)
ORM & data access:
Experience with ORMs ( SQL Alchemy , Django ORM) and understanding
Kubernetes:
Basic understanding of K8s concepts (pods, services, deployments, Config Maps ) for deploying and debugging applications
Linux:
Comfortable with the command line; shell scripting, process management, file permissions, networking basics
Testing: TDD, unit testing ( pytest ), integration testing, mocking, code coverage; awareness of contract testing
CI/CD:
Building and maintaining pipelines (Git Hub Actions, Git Lab CI, Azure Dev Ops, or equivalent); automated linting, testing, and deployment
Version control:
Advanced Git usage, branching strategies ( Git Flow , trunk-based), pull/merge requests, rebasing, conflict resolution
Authentication & authorisation : OAuth 2.0, OpenID Connect, JWT; experience integrating with identity providers ( Keycloak , Entra , or equivalent)
Architecture literacy:
Ability to read and contribute to architectural documentation (C4, UML); understanding of microservices, event-driven, and layered patterns
Agile:
Active participation in sprint ceremonies, backlog refinement, estimation, and retrospectives
Communication:
Clear reporting of progress and blockers; collaboration with architects, front-end developers, QA, Dev Ops, and UX designers
English proficiency:
Excellent written and spoken English in a professional/international context
Knowledge of data management principles and practices
Experience in working with metadata standards such as:
Dublin Core, ISO 19115, STANAG 2586
Knowledge of Semantic Web and related standards and technologies: W3C DCAT, RDF, Apache Jena, etc.
Cloud-native development:
Managed databases, serverless functions, environment configuration, cloud logging and monitoring
Logging & monitoring:
Structured logging, centralised log aggregation, application metrics (Prometheus, Grafana, or equivalent)
Distributed tracing:
Open Telemetry instrumentation for backend services
LLM frameworks:
Experience with orchestration frameworks (e.g. Lang Chain , Llama Index , etc.) and LLM gateway/routing libraries ( LiteLLM )
AI-assisted development:
Prompt engineering for code generation; familiarity with AI coding assistants and their effective use in workflows

#J-18808-Ljbffr