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Kacper ŚleziakKL
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Kacper Śleziak

@kacperleziak

I build reliable Python backend services, cloud infrastructure, and data-driven platforms.

Poland
Message

At FRISS, I build FastAPI backend services for a large-scale fraud detection platform on Azure, extend insurance-data ETL pipelines, and introduced Redis shared caching and Datadog monitoring to improve service reliability.

Previously at ITS Group, I delivered backend services for geospatial applications, built a custom data loader that reduced import time by 20%, and maintained Kubernetes development infrastructure on Amazon EKS. I also introduced a Docker-based local environment to improve consistency and onboarding.

I'm building HabloMate, a microservices-based AI Spanish-learning platform using Python, FastAPI, AWS, Kubernetes, React, and LangChain. My work spans distributed systems, event-driven architecture, cloud infrastructure, and practical machine learning.

Experience

Work history, roles, and key accomplishments

FR
Current

Backend Engineer

FRISS

Jun 2025 - Present (1 year 2 months)

Developed FastAPI-based backend services for a large-scale fraud detection platform hosted on Azure. Extended ETL pipelines integrating insurance data from multiple external sources, and implemented an automated release notes generation system adopted across multiple development teams.

Education

Degrees, certifications, and relevant coursework

Wrocław University of Science and Technology logoWT

Wrocław University of Science and Technology

Master's degree, Advanced Computer Science

2023 - 2024

Pursued a Master's degree in Advanced Computer Science, focusing on advanced topics in computer science.

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