Python Backend Engineer

We are seeking a Senior Python Backend Engineer to take ownership of a high-impact migration project: modernizing critical legacy systems into scalable, production-ready Python microservices. This is a senior role where you'll be expected to influence architecture, guide best practices, and mentor others, while ensuring business continuity during the migration., * Lead the refactoring and migration of large, business-critical legacy systems into Python (FastAPI /Flask).

• Define and implement backend architecture and microservice patterns for scalable services.
• Ensure functional parity and backward compatibility between legacy and new systems.
• Introduce and enforce best practices in testing, CI/CD, and documentation.
• Act as a key technical point of contact between engineering and business teams.
• Mentor junior and mid-level engineers on the migration project.
• Conduct code reviews and maintain high coding standards.
• Drive automation, performance, and reliability improvements across the backend.

Do you have experience in Swift?, * 4+ years of professional Python backend development.

• Strong ability to work with and migrate from legacy systems (Java, Swift, WebObjects/Project Wonder is a plus).
• Proficient with Linux, Docker, RESTful APIs, and relational databases (PostgreSQL, MySQL, SQL Alchemy).
• Experienced with CI/CD pipelines, Git workflows, and automated testing (pytest/unittest).
• Strong communicator with the ability to work closely with business and product stakeholders.
• Experience mentoring engineers and contributing to team-wide technical excellence.
• Banking or finance background is highly advantageous.

Deliverables

• Python-based, production-ready backend services replacing legacy components.
• Robust, well-documented migration framework.
• Comprehensive test coverage for critical features and edge cases.
• Modular backend architecture designed for future scalability.

Soort dienstverband: Fulltime, Vaste baan