Arηs Group, Part of Accenture, specializes in the management of complex public sector IT projects, including systems integration, informatics and analytics, solution implementation and program management. Our team helps lead clients through digital and information systems design, bringing expertise in a variety of areas ranging from software development, data science and security management to machine learning, cloud, and mobile development.

Arηs Group was acquired by Accenture in July 2024.

Arηs Group, Part of Accenture, is looking for experienced Python Developers for one of its clients at the EU Institutions in Brussels.

Role & Responsibilities

• Designing and implementing robust backend services and APIs using modern Python frameworks (e.g., FastAPI, Flask, Django).
• Developing and maintaining asynchronous services for high-performance data processing and integration.
• Ensuring API standards compliance (REST, OpenAPI/Swagger) and secure authentication (OAuth2, JWT).
• Working with relational (PostgreSQL, MySQL) and NoSQL databases (MongoDB, Redis), and handle structured/unstructured data formats (JSON, Parquet, CSV).
• Building and optimizing ETL pipelines for data ingestion, transformation, and analytics.
• Packaging Python applications for deployment (e.g., pip, poetry, Docker images).
• Managing runtime operations including logging, monitoring, and performance tuning.
• Implementing CI/CD pipelines using tools like GitHub Actions, GitLab CI, Jenkins, or Azure DevOps.
• Collaborating with DevOps and Data teams to ensure scalable and maintainable solutions.
  
  

Your Profile

• Analytical and detail-oriented, with a passion for clean and efficient code.
• A strong communicator who can explain technical concepts clearly.
• Proactive and self-driven, with a mindset for continuous improvement.
• Comfortable working in agile environments and adapting to changing priorities.
• A team player who values collaboration and knowledge sharing.

Technical Skills

• Advanced Python programming skills (including async/await, decorators, generators).
• Experience with backend frameworks: FastAPI, Flask, Django.
• Strong understanding of API design, documentation (OpenAPI), and security (OAuth2, JWT).
• Proficiency in SQL and experience with relational databases (PostgreSQL, MySQL).
• Familiarity with NoSQL databases (MongoDB, Redis).
• Experience with data formats: JSON, CSV, Parquet, XML.
• ETL pipeline development using tools like Pandas, Airflow, or custom scripts.
• Containerization with Docker and orchestration basics (Kubernetes is a plus).
• CI/CD pipeline setup and maintenance (GitHub Actions, GitLab CI, Jenkins).
• Application packaging and dependency management (pip, poetry, setuptools).
  
  

WHAT´S IN IT FOR YOU?

• We value your contribution, which is why we offer a competitive and attractive salary package.
• Your wellbeing is our priority – from day one, you are covered by a comprehensive health insurance plan.
• Benefit from a convenient meal allowance provided through a ticket restaurant card.
• Take part in impactful projects that make a difference at both the national and European level.
• Continue to grow with us through in-house training sessions and a wide range of online learning opportunities.
• Join a collaborative culture where we regularly celebrate achievements and milestones together.