Senior Python Developer

Job Description

Chemaxon is seeking a Senior Python Developer to join their team in Budapest. This role is part of Certara and the Applied BioMath team, focusing on contributing to the architectural refactoring of core backend systems. The Senior Python Developer will implement solutions to reduce technical debt and ensure minimal disruption to existing services. They will collaborate with stakeholders to understand priorities and requirements, develop and maintain APIs and data management systems, and ensure code quality through testing and documentation.Chemaxon is an industry-leading cheminformatics software company helping early-stage drug discovery and chemistry research for more than 25 years. Chemaxon was recently acquired by Certara, a US-based model-informed drug development services and software company.Responsibilities:

• Implement backend features and infrastructure improvements.
• Collaborate with the manager and stakeholders.
• Develop and maintain APIs and data management systems.
• Provide input on backend architecture and database management.
• Work with frontend engineers and product owners.
• Maintain and support existing backend infrastructure.
• Ensure code quality and performance.

Requirements:

• 7+ years of professional software development experience with Python backend.
• Experience leading backend refactoring efforts.
• Experience building and maintaining scalable backend systems.
• Hands-on experience developing CLI tools and internal developer applications.
• Strong familiarity with CI/CD pipelines, Git, and code review processes.
• Expertise in Python backend development, including asynchronous programming and API development.
• Experience with REST and Websocket APIs.
• Strong background in automated testing (Pytest).
• Experience in building CLI applications using frameworks like Typer or Click.
• Excellent problem-solving and debugging skills.
• Excellent cross-functional communication skills.

What Chemaxon offers:

• Remote or Hybrid-way of working (8 days/month home office)
• Private health insurance (Medicover)
• Daily entry into Life1 Fitness Clubs
• Generous annual training budget
• Inspiring working environment