About Marcelina
Polish
Native or bilingual
English
Conversational
Dutch
Conversational
Experience
- Self-employedIndependent Software Developer / FreelanceMarch 2025 - Today (1 year and 3 months)
- Engineered a production-ready air quality monitoring system (AirAware) using Python, Pandas and Plotly to visualize real-time data trends.
- Architecting a scalable geospatial data platform utilizing Django REST Framework and PostgreSQL (PostGIS) for complex data imports.
- Developing high-performance frontend interfaces for geospatial data visualization using React and Next.js.
- Implementing asynchronous background tasks with Celery and Redis and containerizing applications with Docker.
- Compagnon AgencyFull-Stack DeveloperFebruary 2022 - March 2025 (3 years and 1 month)
- Engineered and maintained scalable frontend and backend systems for a data-intensive SaaS platform, web applications, utilizing REST APIs, and data synchronization.
- Designed and implemented data synchronization workflows through integration with external APIs (Whise CRM, Google APIs), ensuring data consistency and integrity across systems.
- Deployed, managed, and optimized applications on cloud platforms (e.g., AWS, Kinsta) to ensure performance, scalability, and reliability.
- Monitored and analyzed user behavior data (Google Analytics) to identify usage patterns and recommend performance and functional improvements.
- Ensured applications are fully responsive and mobile-friendly across different devices.
- Contributed to the development, implementation, and support of the SaaS platform for end clients.
- Maintained source code repositories on GitHub, collaborating with team members to ensure smooth version control.
- Provided ongoing client support, gathering feedback and implementing necessary improvements.
- Continuously enhanced applications, implementing new features and ensuring long-term system stability.
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Education
- Postgraduate Certificate in PythonCollegium Da Vinci2025Postgraduate Certificate in Python
- Certified Web Developer2021Certified Web Developer