Michał Wadas
Senior Node.js Developer at ION
Warsaw, Masovian Voivodeship, Poland
Summary
🤩
RockstarMichał Wadas is a Senior Node.js developer with 12 years of experience building backend systems from Warsaw, currently working at ION after a five-year senior tenure at Future Mind. He brings deep expertise in Node.js and databases, contributing notable backend improvements to the popular TypeORM project—adding materialized view support, custom MySQL package handling, CTEs, and robust pool error handling across PostgreSQL, CockroachDB and SQL Server. Comfortable in both product and managed-service environments, he has consistently focused on improving database reliability and extensibility in production systems. Colleagues rely on him for pragmatic architecture choices and for shipping durable integrations between Node.js services and relational databases. Beyond day-to-day engineering, his open-source contributions show a preference for solving subtle, infrastructure-level problems that pay dividends in large-scale deployments.
12 years of coding experience
10 years of employment as a software developer
Polish, English, Łacina
Stackoverflow
5,239reputation
1.1mreached
101answers
28questions
javascript
top-5%
momentjs
top-5%
Github Skills (21)
postgresql10
cockroachdb10
mysql10
databases10
typescript10
sql-server10
orm10
typescript-types10
typescripts10
database10
javascript9
database-design9
momentjs9
ecmascript9
sorting6
Programming languages (16)
Github contributions (5)
typeorm/typeorm
Mar 2019 - Jun 2022
TypeScript & JavaScript ORM for Node.js — supports PostgreSQL, MySQL, MariaDB, SQLite, SQL Server, Oracle, and more.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:25 reviews, 6 commits, 17 PRs in 3 years 3 months
Contributions summary:Michał contributed to the TypeORM project by implementing and improving database driver functionalities. They addressed pool error handling for PostgreSQL, CockroachDB, and SQL Server, adding custom error handling options. Furthermore, the user added support for materialized views in PostgreSQL, including an option to control synchronization. Additionally, the user enabled the use of custom mysql packages, and supported Common Table Expressions to enhance the database query capabilities.
javascriptmariadbmysqlnodejsoracle
Ginden/reflect-helpers
Aug 2014 - Mar 2016
Contributions:110 commits, 12 pushes, 1 branch in 1 year 7 months
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