Jan Waś - Software Engineer at IceGuard

Jan Waś

Software Engineer at IceGuard

Białystok, Podlaskie Voivodeship, Poland

Join Prog.AI to see contacts

Summary

🤩

Rockstar

🎓

Top School

Jan Waś is a seasoned software engineer with 14+ years building resilient, scalable systems and delivering measurable business value while avoiding technical debt. He combines deep backend expertise—Go, Python, C#, Java, C/C++—with strong database design and ORM mapping skills across PostgreSQL, Oracle, ElasticSearch and Kafka, and has contributed to notable open-source projects including Trino and go-sqlmock. Jan has driven production-grade Kubernetes integrations, performance and threat-modeling work at F5 and Starburst, and implemented ML/DL solutions in real-world services. A Cisco Certified Network Associate with long experience in systems, networking and security, he also authors Polish-specific data providers and tooling enhancements that reveal his attention to localization and metadata fidelity. Pragmatic and hands-on, he prefers building teams and architectures that are maintainable, testable and measurable over clever one-off hacks.

14 years of coding experience

16 years of employment as a software developer

Master of Science Electronics and Telecommunications, Master of Science Electronics and Telecommunications at Bialystok University of Technology

English, Polish

Stackoverflow

Stats

81reputation

16kreached

8answers

0questions

Github Skills (54)

yii10

data-generation10

application-framework10

wsdl10

dataflow-programming10

dataflow10

python10

testing10

app-framework10

databases10

unix-timestamp10

threat-model10

jdbc10

java10

webservice10

Programming languages (17)

C#JavaCSSCMakefilePLpgSQLScalaGo

Github contributions (5)

xo/usql

Jan 2021 - Dec 2022

Universal command-line interface for SQL databases

Role in this project:

Back-end Developer & Database Engineer

Contributions:75 reviews, 105 commits, 109 PRs in 1 year 11 months

Contributions summary:Jan made significant contributions to expanding the `xo/usql` project's database support, focusing on adding and enhancing Trino driver functionality. This includes implementing the Trino driver, incorporating necessary dependencies in the go.mod file, and making related internal code changes. The user also fixed Presto driver package naming. Additionally, the user added a timing option for queries and integrated the ability to display table information, including indexes and constraints for various databases, demonstrating an understanding of database metadata and SQL.

clioracle-databasemicrosoft-sql-serversqlite3sqlite

trinodb/trino

Jun 2022 - Dec 2022

Official repository of Trino, the distributed SQL query engine for big data, formerly known as PrestoSQL (https://trino.io)

Role in this project:

Back-end Developer

Contributions:1654 reviews, 44 commits, 302 PRs in 5 months

Contributions summary:Jan contributed to the JDBC timestamp mapping functions, specifically improving high-precision handling within the JDBC plugin. The changes involved modifying code in `StandardColumnMappings.java` to support increased precision for timestamp values. Furthermore, they provided support for SQL Server timestamp support as datetime2. These contributions demonstrate a focus on enhancing data type mappings and expanding database compatibility.

prestodbdbmsindexingjdbcbigdata

Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.

Request Free Trial