Senior Back-End Developer

Responsibilities

• 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 ;

Off-site (100% remote)

28 .0 4 .2026 r.

• 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 ;

• 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)
• RESTful APIs:
  Resource modelling, versioning, error handling, pagination, OpenAPI / Swagger documentation
• 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
• Docker:
  Writing Dockerfiles (multi‑stage builds), Docker Compose for local development, image optimisation
• 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…