- 2023- Data Engineer, Solita
- 2017-2023 PhD student/researcher, Tampere University
- Streaming data pipelines
- Event driven architectures and data pipelines
- Python, PySpark, Spark SQL, R when absolutely necessary
- Azure Data Factory, Databricks
- Python and a bit of Go
- Airflow, Docker, DuckDB, Kafka, Polars, Postgres
- API development / FastAPI
- K8s
- Streaming and stream processing / Kafka & Flink
My research is focused on the algebraic theory of topological data analysis. I'm interested in utilizing (minimal) resolutions to develop computable and interpretable representations and invariants for multiparameter persistent (co)homology and persistence modules more generally.
- Eero Hyry and Ville Puuska, Flat covers and injective hulls of persistence modules, submitted, preprint arXiv:2310.00733 [math.AC]
- Ville Puuska, Duality between injective envelopes and flat covers, Journal of Pure and Applied Algebra 228(2024), DOI 10.1016/j.jpaa.2023.107542
- Ville Puuska, Erosion distance for generalized persistence modules, Homology, Homotopy Appl. 22(2019), no. 1, 233-254, DOI 10.4310/HHA.2020.v22.n1.a14
- 2017-2023, PhD, Mathematics, Tampere University
Advisor: Professor Eero Hyry, Tampere University
Field: Topological Data Analysis
Thesis: Flat Covers and Cotorsion in Persistence https://urn.fi/URN:ISBN:978-952-03-3058-3 - 2013-2017, MSc (and BSc), Mathematics, University of Tampere