Damian Składanowski

Software Engineer (Python & React)

[LOC] Krakow / Remote

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

03.2024 – present

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
01.2023 – 02.2024

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

03.2023 – expected 06.2026

WSB Merito Krakow

Computer Science (Engineering)

Specialization: Programming

Level: Engineer

Technical Skills

Backend

Python REST APIs WebSockets SQL PostgreSQL

Frontend

React JavaScript (ES6+) HTML5 CSS3

Frameworks & Libraries

FastAPI Flask Django asyncio Celery

Infrastructure & Tools

Linux Git Docker Postman

Currently Learning

TypeScript Quart Cloud Services

Key Projects

[P]

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.

[P]

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.

Languages

Polish Native
English B2/C1 (daily professional use)