Python Developer I Belgium

Talan · Brussels, Brussels, Belgium

ExclusiveFull-timeJuniorPublished Jun 9, 2026

Apply directly on Talan’s careers site — no account needed.

About the role

We are looking for a Backend Engineer with strong knowledge of Python. In this role, you will contribute to the development and evolution of a large-scale, business-critical application, working closely with business stakeholders to translate complex contractual requirements into robust and scalable technical solutions.

  • Design, develop, and maintain backend features using Python and Flask within an existing large codebase
  • Collaborate directly with business teams to understand contract requirements and translate them into APIs, data models, and backend logic
  • Ensure high-quality, maintainable, and scalable code through best engineering practices
  • Process and manipulate data using tools such as Pandas and Pydantic
  • Contribute to the design and optimization of SQL-based data models and queries
  • Containerize applications and services using Docker
  • Monitor, troubleshoot, and improve application performance in an AWS environment
  • Implement and maintain observability using Grafana, Elasticsearch/Kibana (ELK), and Sentry
  • Work in close collaboration with frontend developers (React / Highcharts) to ensure seamless integration with backend APIs
  • Strong experience in backend development with Python (Flask preferred)
  • Solid understanding of API design, data modeling, and relational databases (SQL)
  • Experience working within large or legacy codebases
  • Familiarity with cloud environments (AWS) and containerization (Docker)
  • Experience with monitoring, logging, and observability tools
  • Strong analytical mindset with the ability to translate business needs into technical solutions
  • Excellent communication skills and ability to work closely with both technical and non-technical stakeholders

Nice-to-Have Skills

  • Experience in the energy sector or with contract management systems
  • Exposure to data processing and analytics tools
  • Understanding of frontend technologies (React ecosystem)

Why Join Us

  • Lead high-impact SAP programs that transform business operations and drive innovation.
  • Collaborate with a world-class team of experts in a dynamic, fast-paced environment.
  • Access a global ecosystem of partners, cutting-edge tools, and industry insights.

Contribute to an organization committed to excellence, sustainability, and professional growth.

Skills

  • Python
  • Flask
  • pandas
  • SQL
  • Docker
  • AWS
  • Grafana
  • React

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