Maciej Krawczyk
Experienced backend developer with 7+ years of expertise in scalable system architecture using Python, specializing in Django, FastAPI, and Flask.
About
Experienced backend developer with 7+ years of expertise in scalable system architecture using Python, specializing in Django, FastAPI, and Flask. Proficient in both SQL (PostgreSQL, MySQL, MSSQL) and NoSQL (MongoDB, GraphQL) databases, with a strong focus on designing and optimizing high-performance APIs. Skilled in integrating AI-driven solutions to enhance automation, data processing, and predictive analytics. Passionate about building intelligent, reliable, and scalable backend systems that drive innovation and efficiency in modern applications.
💡 What I Bring to the Table:
✅ Backend Development: REST & GraphQL APIs with Django, FastAPI, Flask
✅ SQL/NoSQL & Database Optimization: Indexing, query optimization, replication
✅ AI & ML Integration: Model deployment, NLP, Computer Vision, LLMs
✅ Cloud & DevOps: AWS, GCP, Docker, Kubernetes, Terraform, CI/CD
✅ Scalability & Security: Load balancing, caching, API performance tuning
- 9 years' experience
- Joined July 2025
Skills· 13
Languages
- EnglishAdvanced
Industry experience
- Software & Internet
- Computers & Electronics
Work experience
Developed and optimized backend systems using Django, Flask, and FastAPI. Designed and managed databases with SQL (PostgreSQL, MySQL, MSSQL) and NoSQL (MongoDB, GraphQL). Implemented CI/CD pipelines using GitHub Actions for seamless deployments. Integrated AI & ML including model deployment, NLP, Computer Vision, and LLMs. Deployed applications to the cloud using AWS, Docker, and Kubernetes. Notable projects include Trait.Tech blockchain service, Runtime Scanner AV scanning, Event Management System, OpenAI Voice Chatbot backend, and Employee & Payroll Dashboard.
Education
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