# Kevin Kroupa

> Software engineer in Prague, Czechia. Backend development, machine learning and data engineering. Personal site: https://kroupa.dev

Kevin Kroupa is a software engineer based in Prague with experience in backend development, machine learning and data engineering, and some frontend work in the past. He studied Artificial Intelligence at the Faculty of Information Technology, Czech Technical University in Prague (2019 to 2022).

## Work

- 2026 (Feb to Oct): Software Engineer at Quantlane (https://quantlane.com). FastAPI services serving equity and futures OHLCV candles to quant developers, including a streaming NDJSON API over Parquet data in S3. Airflow pipelines for weather data (Meteomatics, Meteologica). Validated 500M+ candles against exchange calendars and the vendor feed (Databento). Operated the services in production with Prometheus, Sentry and on-call alerts.
- 2023 to 2026: Software Engineer at Seznam.cz (https://www.seznam.cz). Backend services for the Seznam.cz homepage, Lide.cz and the Seznam Diskuze comment embed. Classifiers and algorithms for recommending relevant content. Large language models integrated into content moderation.
- 2022 to 2023: Machine Learning Engineer at SpaceKnow (https://spaceknow.com). CNN models for satellite imagery analysis, model evaluation tooling, an internal framework for training experiments.
- 2019: Web Developer at Fidoo (https://www.fidoo.com). Rewrote web application components in TypeScript, Angular 8, RxJS and SCSS.
- 2015 to 2019: Freelance web developer. Websites for private clients; led a student team building interactive map applications for Smichovska SPS a gymnazium.

## Skills

- Languages: Python, SQL, C++, TypeScript, Bash
- Technologies: FastAPI, SQLAlchemy, PostgreSQL, Pandas, Polars, Airflow, Elasticsearch, LangChain, Redis, Kafka, Docker, Kubernetes, Argo CD, GitLab CI/CD, Jenkins, AWS S3, Google Cloud, Prometheus, Grafana, Sentry

## Identity

- Site: https://kroupa.dev
- Machine profile: https://kroupa.dev/profile.json
- GitHub: https://github.com/kkroupa
- LinkedIn: https://www.linkedin.com/in/kevin-kroupa/

Contact: kevin@kroupa.dev, or book a call at https://cal.com/kroupkev