Damian Składanowski
Software Engineer (Python & React)
Professional Summary
Software Engineer with 1.5+ years of commercial experience building Python backends and React frontends at a fast-paced software house. Proven track record of designing and consuming REST APIs, integrating third-party services, and optimizing PostgreSQL databases for data-intensive applications. Computer Science student with a software engineering focus, pursuing an Engineering degree at WSB Merito Krakow (expected 2026). Quick to adopt new technologies — currently expanding into TypeScript, asyncio, and cloud infrastructure.
Professional Experience
Software Engineer / Python Developer
10Clouds
- Developed and maintained Python backend services handling 10,000+ daily requests, ensuring 99.9% system uptime for data-intensive applications
- Built 15+ full-stack features integrating Python/FastAPI backends with React frontends, serving 10,000+ users
- Designed and deployed 30+ REST API endpoints consumed by internal and external services
- Optimized PostgreSQL queries reducing average response time by 40%, supporting 1M+ database records
- Debugged 5–10 production incidents per month, analyzing Linux logs and building internal automation tools
- Collaborated with a team of 8 engineers in English, participating in daily code reviews and sprint planning
Junior Software Developer
Sii Poland
- Developed 10+ Python scripts for enterprise client process automation, reducing manual work by 5–10 hours/week
- Gained hands-on experience in full-stack development using Git, agile methodologies, and React component development
- Supported legacy codebase maintenance, debugging 50+ reported issues and implementing fixes
Education
WSB Merito Krakow
Computer Science (Engineering)
Specialization: Programming
Level: Engineer
Technical Skills
Backend
Frontend
Frameworks & Libraries
Infrastructure & Tools
Currently Learning
Key Projects
Patient & Clinic Management System
React, Python, REST API, PostgreSQL
Full-stack application for managing appointments and medical records across 5 clinics. React-based patient portal with a Python REST API handling 1,000+ daily requests, backed by PostgreSQL.
Market Data & API Integration Service
Python, FastAPI, WebSockets, asyncio, PostgreSQL
Real-time asynchronous service fetching and processing market data from 3 external exchange APIs. Utilizes asyncio and WebSockets to handle 10,000+ events per second, storing validated data in PostgreSQL.