Senior Python Software Engineer

About the role

MoOngy is looking for a Senior Python Software Engineer to join its Lisbon team. The position is hybrid, with 2‑3 days per week on‑site, and focuses on building robust financial‑services applications.

Key responsibilities

• Design, develop and maintain Python applications, ensuring clean, well‑tested, and documented code.
• Integrate, test, debug and maintain software across development, staging and production environments, addressing performance, scalability and security issues.
• Collaborate with product managers, designers and other engineers, contributing to technical design and documentation.

Required profile

• Minimum 3 years of professional Python development experience.
• Fluent in English (C1) and legally authorized to work in Portugal.

Required skills

• Python with Django or Flask, RESTful APIs and integration patterns.
• Relational and NoSQL databases, distributed system concepts.
• Git, pull requests, code reviews, Agile/Scrum.
• CI/CD pipelines, Docker, infrastructure‑as‑code.
• Unit, integration and automated testing.
• Cloud platforms such as GCP, AWS or Azure.
• HTML, CSS and JavaScript (nice‑to‑have).

What we offer

• Opportunity to work on innovative financial‑services projects with real impact.
• Continuous learning through trainings, certifications and a clear career path.
• International, collaborative team environment that values diversity and inclusion.