Senior Python Developer

Missions

As a Senior Python Developer, you will:

• Design and implement backend services in Python to support asset onboarding, contract management, and market operations.

• Develop APIs and data pipelines to integrate application components with the broader information ecosystem, including internal and external applications, the data hub, other data storage systems, and data consumers.

• Build integration with messaging systems (MQTT, RabbitMQ) for real-time data ingestion.

• Work with PostgreSQL for relational and time-series data modelling, optimization, and integrity.

• Leverage AWS services such as RDS, S3, IAM, Lambda, ECS, and Docker.

• Collaborate with product managers and domain experts to translate business needs into scalable software features.

• Contribute to agile delivery processes, including sprint planning, retrospectives, and team coordination.

• Participate in the release process every two weeks.

• Support level 2 on existing applications and on the dedicated releases you deploy in production.

• Perform software development, follow-up, and implementation of fixes, evolutions, and adaptations.

• Deliver corrective solutions or workarounds as needed.

Hard Skills

• 6+ years of Python development experience (application development).

• Proficiency in PostgreSQL, including schema design, performance tuning, and time-series data handling.

• Experience with AWS services (RDS, S3, IAM, ECS, Docker).

• Experience working with APIs, data pipelines, streaming, and other system integration paradigms.

• Familiarity with agile development practices and collaborative delivery environments.

Nice to have:

• React or front-end experience.

• Experience with FastAPI or alternatives (e.g., Flask, Django).

• Familiarity with container orchestration or CI/CD pipelines.

Tools & Environment

• Python

• PostgreSQL

• AWS (RDS, S3, IAM, Lambda, ECS)

• Docker

• Messaging systems: MQTT, RabbitMQ

• Agile methodologies

1. 6+ years of Python development experience (application development)

2. Proficiency in PostgreSQL, including schema design, performance tuning, and time-series data handling

3. Experience with AWS services (RDS, S3, IAM, ECS, and Docker)

4. Experience working with APIs, data pipelines and streaming, and other system integration paradigms

5. Familiarity with agile development practices and collaborative delivery environments

6. Strong communication and interpersonal skills, with the ability to work across disciplines and cultures

7. Proactive mindset with a collaborative spirit and a willingness to support team delivery

8. Ability to break down complex problems and propose pragmatic, scalable solutions

9. Comfort working in a fast-paced, evolving environment with a high degree of autonomy

10. Empathy, humility, and a strong sense of ownership and accountability

11. Fluent in English and French; Dutch is a plus