Senior Python Backend Engineer for Monitoring Platform

OneTech Solutions BV; Brussel; Sur place; EUR 70 000 - 110 000; Plein temps

Résumé du poste

OneTech Solutions BV seeks an experienced Senior Python Developer to design, build, and harden Python-based backend services for an energy-sector initiative. You will work on an internal monitoring platform with health checks, synthetic tests, and alerting, primarily using Python.

You will collaborate with Software, Product, Data Engineering, IT Operations, and business stakeholders to deliver scalable, secure solutions and improve code quality and automation across the stack.

Qualifications

• Bachelor's or Master's degree in IT/CS/Engineering or related field.
• 6+ years of professional software development experience.
• 3+ years of hands-on Python development experience.
• Experience with Python backend frameworks (FastAPI or similar).
• Hands-on experience with Pydantic and AsyncIO.
• Strong SQL knowledge; MSSQL and/or PostgreSQL.
• Experience with RabbitMQ and event-driven architectures.
• Knowledge of software design patterns, data structures, and scalability.
• Experience with automated testing frameworks such as Selenium.
• Familiarity with IT security in critical environments.
• Experience working in Agile development environments.
• Mentor and lead other developers.

Responsabilités

• Design, develop, maintain, and optimize Python-based applications and backend services.
• Improve monitoring and alerting solutions for reliability and scalability.
• Gather requirements from stakeholders and translate into technical specs.
• Build robust, secure, and maintainable software with CI/CD practices.
• Mentor junior developers and perform code reviews.
• Collaborate with DevOps and Data Engineering teams for integration and performance.
• Contribute to legacy code modernization and refactoring initiatives.
• Support service requests and coordinate with technical and business teams.

Connaissances

Python

FastAPI

AsyncIO

SQL

RabbitMQ

Azure

Docker

CI/CD

Security

Agile

Formation

Bachelor's or Master's in IT/CS/Engineering

Outils

Pydantic

SQL Server

PostgreSQL

Selenium

NoSQL

Description du poste

OneTech Solutions BV seeks an experienced Senior Python Developer to design, build, and harden Python-based backend services for an energy-sector initiative. You will work on an internal monitoring platform with health checks, synthetic tests, and alerting, primarily using Python.

You will collaborate with Software, Product, Data Engineering, IT Operations, and business stakeholders to deliver scalable, secure solutions and improve code quality and automation across the stack.