Back-End Developer, Brussels (near-site) – European Commission

Profile: Back-End Developer.

Studies required: Bachelor degree of 3 years focus on Computer Sciences.

Language: English (C1) MANDATORY.

Location: Brussels (near-site). The services shall be performed remotely in Near-site location allowing to reach the client’s premises in Brussels within 2 hours (by land).

DESCRIPTION:

The Back-End Developer will support Python-based web application development for the European Commission, focusing on building and maintaining secure, scalable back-end services. The role involves using frameworks such as Django, Flask, or FastAPI, implementing RESTful APIs, and working with both relational and non-relational databases. The developer will leverage containerisation and orchestration tools (Docker, Podman, Kubernetes), CI/CD pipelines, code versioning systems, and secure coding practices. Responsibilities also include ensuring code quality through linters, tests, documentation, and use of AI-assisted development tools. Strong analytical, organisational, and communication skills are essential for working in a multicultural environment.

Description of the tasks:

Following tasks will be performed by external service provider:

• Development of back-end website architecture.

• Collaborate closely with front-end developers, UI/UX designers, product managers, and other stakeholders to deliver quality web application solutions.

• Architect server-side components and services that form the backbone of web applications, employing best practices in Python programming.

• Develop and maintain RESTful APIs to facilitate seamless communication between front-end and back-end systems.

• Implement core business logic.

• Implement scalable architectures to handle increased user load and data volume, leveraging cloud services and containerisation.

• Creation of servers and databases for functionality.

• Design, implement, and optimise database schemas and queries to ensure efficient data storage and retrieval processes.

• Understanding and implementation of security and data protection.

• Manage database security measures to protect sensitive information, ensuring compliance with data protection standards.

• Conduct regular code reviews and use vulnerability scanning tools to identify and address potential security issues.

• Implement security protocols and standards to safeguard applications against threats and ensure data privacy.

• Enhance application performance by identifying bottlenecks and optimising server-side code and database queries.

• Cross-platform optimisation.

• Enhance application performance by identifying bottlenecks and optimising server-side code and database queries.

• Design responsive applications.

• Design and develop APIs.

• Participating in the design and creation of scalable software.

• Participate in deploying applications in cloud environments, using infrastructure-as-code and configuration management tools.

• Taking lead on projects, as needed.

• Maintenance of code integrity and organisation.

• Writing clean, functional code on the front- and back-end.

• Compile and analyse data, processes, and codes to troubleshoot problems and identify areas for improvement.

• Actively engage in debugging and resolving issues raised during testing or reported in production.

• Set up and maintain CI/CD pipelines to automate testing and deployments, ensuring consistent and rapid delivery of applications.

• Meet both technical and consumer needs.

• Write technical documentation.

Knowledge and skills:

Following skills and knowledge are required for the performance of the above listed tasks:

• Proficiency in Python and experience with web frameworks such as Django, Flask, or FastAPI.

• Experience with code linters and formatters (e.g., pylint, black, flake8) to enforce coding standards.

• Experience with AI-powered code assistants (e.g., Amazon Q, Github Copilot), staying updated with advancements in AI-driven code technologies that can streamline Python web application development.

• Strong understanding of RESTful design and implementation.

• Solid experience with relational (e.g., Oracle, PostgreSQL) and non-relational databases (e.g., Elasticsearch, MongoDB).

• Excellent knowledge of ORM, schema design, efficient queries.

• Expertise in containerisation tools like Docker, Podman and orchestration using Kubernetes.

• Knowledge of vulnerability scanning tools (e.g., OWASP), secure coding practices and standards, including authentication, authorisation and encryption.

• Knowledge of code versioning tools such as Git or SVN.

• Knowledge of DevSecOps tools such as Jenkins, GitLab CI, GitHub Actions (Continuous Integration / Deployment).

• Familiarity with configuration management tools like Ansible.

• Experience with VM management, Linux.

• Good knowledge of agile methodology.

• Strong problem-solving and analytical skills.

• Strong organisational and time-management skills.

• Capability of integration in an international/multi-cultural environment.

• Excellent verbal communication.

• Attention to detail.

• Ability to write clean, efficient, and maintainable code.

• Ability to conduct unit and integration tests to ensure code quality.

• Ability to write clear and well-structured documentation.

• Ability to understand, speak and write English C1.

• High degree of discretion and integrity

Language:

· English (C1) MANDATORY.

Location:

· Brussels (near-site). The services shall be performed remotely in Near-site location allowing to reach the client’s premises in Brussels within 2 hours (by land).

Rate:

· 327-400€/day. The rate offered depends on the candidate’s level, in accordance with the European Commission’s public grading system. Further details are available upon discussion.