Designing, developing, teaching, mentoring, speaking and writing about highest quiality backend JavaScript and TypeScript.

Current focus: Node.js, Deno, WebAssembly, WASI, JavaScript, TypeScript

Particularly proud to be working with: Ramp, Vienna Insurance Group, Beesafe, Clevertech, Nucity Media, OurHarvest, Packt Publishing, Rap-In, Syncano, WarsawJS, and many more clients.

Designing and developing backend APIs for mobile and web applications

Using TypeScript, Node.js, Docker, Kubernetes, Microservices, RabbitMQ, Express, Hapi, Restify, Nest, NoSQL, MongoDB, Redis, PostgreSQL, Travis, CircleCI, Jest, Jasmine, TDD, REST, JSON, APIs, OOP

Node.js Foundation Certification Committee Member

(organization, announcement)

Author of Node.js modules on npm (profile on npm)

Contributions to other Node.js modules (profile on Libraries.io)

Contributions to Node.js core (listed as one of the authors of Node.js)

Contributions to npm core (listed as one of the authors of npm)

1,500+ answers on Stack Overflow / Stack Exchange
Top 0.14%, 100,000+ Reputation, 10,000,000+ views

Golden Node.js Badge on Stack Overflow

#1 in Poland, #6 in Europe, #23 Worldwide

300+ Total Completed Solutions on Codewars
Top 0.554%, Rank: 2 kyu, Total Languages Trained: 57

IBM Badges

Node.js Contributor

"The badge holder has demonstrated a commitment to the success of Node.js through direct contributions to the core or one of the top NPM modules. This individual has proven a dedication to the technology and an understanding of the Node.js project, its goals, and the needs of the developer community, while adhering to common development practices that contributes to successful code." - IBM

API Management Concepts

"This badge holder has a basic understanding of the the business and architectural concepts of API development." - IBM

Articles

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