Senior Python Developer

Xintas; Brussel Hoofdstad; Sur place; EUR 70 000 - 100 000; Plein temps

Résumé du poste

Xintas in Belgium is seeking a Senior Python Developer to architect, develop, and maintain resilient software that supports core business functions. You will collaborate with multidisciplinary teams to deliver high-performing applications and raise the bar on technical standards.

You will join the Chapter Development community and contribute to the internal monitoring platform, implementing Python-based monitoring and alerting engines, synthetic and log checks, and reliable operations across

Qualifications

• Bachelor’s or master’s degree in IT/tech.
• At least 6 years of software development experience.
• At least 3 years of Python experience.
• Strong understanding of IT security requirements, esp. for critical infrastructure.
• Proficiency in Python for backend services, preferably FastAPI or similar frameworks.
• Proficiency with data validation library (Pydantic).
• Experience with AsyncIO.
• Experience with SQL and databases like MSSQL, PostgreSQL.
• Experience with RabbitMQ.
• Strong understanding of service-based architectures and event-driven systems.
• Solid knowledge of software design patterns, scalability, and CI practices.
• Knowledge of test automation frameworks (e.g. Selenium).
• Multilingual: English plus Dutch or French; German a plus.

Responsabilités

• Collaborate actively to develop and optimize Python-based software applications.
• Gather requirements and define software specifications with stakeholders.
• Engage with customers to address service requests and ensure resolution.
• Implement best practices for code quality, testing, and deployment (CI/CD).
• Mentor junior developers and conduct code reviews.
• Troubleshoot, debug, and resolve complex technical issues.
• Work with DevOps and data engineering teams to ensure seamless integration and performance.
• Ensure security, scalability, and maintainability of solutions.

Connaissances

Python

FastAPI

AsyncIO

SQL

PostgreSQL

MSSQL

RabbitMQ

CI/CD

Docker

Security

Selenium

NoSQL

Multilingual

Formation

Bachelor’s or Master’s degree in IT/tech

Outils

FastAPI

Pydantic

Selenium

Docker

RabbitMQ

Azure

PostgreSQL

MSSQL

CI/CD pipelines

NoSQL

Description du poste

As a Senior Python Developer, you will be instrumental in architecting, developing, and maintaining resilient software solutions essential to the core business activities. You will work hand-in-hand with multidisciplinary teams to deliver reliable, high-performing applications while fostering the continuous enhancement of technical standards.

You will join the Chapter Development community, an environment that brings together developers from across the organization, collaborating on a variety of technology stacks.

Your main assignment will center around the internal monitoring platform, which is dedicated to monitoring and maintaining application health. The internal monitoring facilitates the implementation and management of sophisticated synthetic and log checks for live applications, ensuring timely information about their operational status and coordinating swift notification to relevant personnel whenever intervention is warranted.

At the heart the platform lie the monitoring and alerting engines, both developed in Python, alongside all associated monitoring scripts. Your skills and experience will be pivotal to the ongoing evolution and reliability of this solution.

Responsibilities

• Collaborate actively to the development and optimization of Python-based software applications.
• Collaborate with stakeholders to gather requirements and define software specifications.
• Engage with customers to address service request and ensure effective resolution.
• Implement best practices for code quality, testing, and deployment (CI/CD).
• Mentor junior developers and conduct code reviews.
• Troubleshoot, debug, and resolve complex technical issues.
• Work with DevOps and data engineering teams to ensure seamless integration and performance.
• Ensure security, scalability, and maintainability of solutions.

Ideal Profile

Required Skills & Experience

• IT/tech-related academic degree (bachelor’s or master’s degree.
• 6+ years of experience in Development.
• 3+ years of experience using Python.
• Strong understanding of IT security requirements and their implementation ideally in the context of critical infrastructure
• Proficiency in Python for backend services, preferably with FastAPI or similar frameworks.
• Proficiency with data validation lib as Pydantic.
• Experience with AsyncIO.
• Experience in SQL.
• Experience with databases like MSSQL, PostgreSQL.
• Experience with RabbitMQ.
• Strong understanding of service-based architectures and event-driven systems
• Solid conceptual knowledge of software design patterns, scalability, and continuous integration practices
• Knowledge of test automation frameworks (e Selenium)
• Solid understanding of software design patterns, data structures, and algorithms.
• Strong problem-solving skills and attention to detail.
• Ability to mentor and provide technical leadership.
• Experience working in agile environments.
• Excellent communication and collaboration skills.
• Experience with Azure cloud is a plus.
• Experience in NoSQL solutions is a plus.
• Ability to work with legacy code and participate to refactoring initiative.
• Familiarity with containerization using Docker and deployment pipelines in a CI/CD environment is a plus.
• Good level of Dutch and/or French and English is required, German is a plus.