About Cronos Europa
Cronos Europa is a leading IT and digital transformation partner dedicated exclusively to European Institutions and agencies, delivering mission-critical solutions that shape Europe's digital future. As part of the Cronos Group, one of the most innovative and fastest-growing tech ecosystems in Europe, we benefit from a vast pool of expertise and cutting-edge capabilities. With over 1,000 specialists across Belgium, Luxembourg, and the Netherlands, we combine deep institutional knowledge with strong engineering excellence to support long-term, high-impact EU programmes requiring reliability, scalability, and innovation.
About the job
We are looking for a Python Back-End Software Engineer to design, develop, secure and maintain robust server-side components supporting mission-critical web applications. The role focuses on building scalable back-end services, integrating systems through APIs, optimising databases and supporting reliable delivery in cloud-based environments.
Responsibilities
- 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.
- Design, implement and optimise database schemas and queries to ensure efficient data storage and retrieval processes.
- Manage database security measures to protect sensitive information, ensuring compliance with data protection standards.
- Enhance application performance by identifying bottlenecks and optimising server-side code and database queries.
- Implement scalable architectures to handle increased user load and data volume, leveraging cloud services and containerisation.
- 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.
- Collaborate closely with front-end developers, UI/UX designers, product managers and other stakeholders to deliver quality web application solutions.
- Help translate business requirements into technical specifications and adjust implementations based on feedback.
- Set up and maintain CI/CD pipelines to automate testing and deployments, ensuring consistent and rapid delivery of applications.
- Participate in deploying applications in cloud environments, using infrastructure-as-code and configuration management tools.
- Actively engage in debugging and resolving issues raised during testing or reported in production.
- Write technical documentation.
Specific expertise
- EQF 6 with a focus on Computer Science.
- Proficiency in Python and experience with web frameworks such as Django, Flask or FastAPI.
- Experience with code linters and formatters such as pylint, black or flake8.
- Experience with AI-powered code assistants such as Amazon Kiro or GitHub Copilot.
- Strong understanding of RESTful design and implementation.
- Solid experience with relational databases such as Oracle or PostgreSQL and non-relational databases such as Elasticsearch or MongoDB.
- Excellent knowledge of ORM, schema design and efficient queries.
- Expertise in containerisation tools such as Docker or Podman and orchestration using Kubernetes.
- Knowledge of vulnerability scanning tools, 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 or GitHub Actions.
- Familiarity with configuration management tools such as Ansible.
- Experience with VM management and Linux.
- Good knowledge of the European Commission grant management ecosystem, including eGrants, would be an asset.
Skills and competencies
- Ability to apply rigour and consistency in back-end development practices.
- Ability to work in a multicultural environment.
- Ability to participate in multilingual meetings.
- Ability to understand, speak and write English; French is considered an asset.
- Talent for building relationships and adapting communication to the audience.
- Ability to work in a team as well as autonomously.
- Results-oriented mindset focused on delivery.
If you wish to integrate a dynamic structure on a human scale while working with the latest technologies, don't wait anymore and join Cronos!