Authored the entire technical lifecycle as a solo developer. Engineered low-latency backend communication and fabricated a custom Android.

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Proof of work

2018

Architected and deployed an end-to-end microservices healthcare web platform.

The clinic management sector lacked a cost-effective, low-latency system for data synchronization and automated patient notifications. The goal was to build a robust architecture from scratch without relying on expensive third-party messaging services.

Authored the entire technical lifecycle as a solo developer. Engineered low-latency backend communication and fabricated a custom Android.

gRPCMicroservicesTypeScript
2021

The migration of a legacy enterprise monolith to a modern monorepo architecture

A massive enterprise research platform managing over 1.1 million documents struggled with a legacy monolithic architecture, bottlenecking parallel development across teams. A seamless transition was required without halting active development.

Completely rewrite the monolith frontend and backend-for-frontend (BFF) into a Nx monorepo with microfrontends. Enabling a successful, on-time public release.

NxMicro FrontendsNode.js
2024

Developed a proprietary reactive DataGrid engine

An enterprise security management console experienced rendering bottlenecks in its data tables, which constituted approximately 50% of all application views, negatively impacting user experience.

Designed and built a highly modular, fully customizable table engine from scratch using pure reactive signals. Accelerated rendering by over 3x.

AngularPerformance OptimizationTypeScript
2022

Engineered an automated in browser test recorder and cloud replay engine

The organization needed to automate crowdsourced testing workflows to reduce reliance on manual freelance testers while efficiently managing cloud bandwidth and storage during execution.

Built a step-recording extension and headless cloud replay. Optimized bandwidth by asynchronously saving errors and screenshots.

WebSocketsAWSNode.js
2016

Custom virtual scrolling for 20k+ daily users

An internal enterprise project management tool struggled to maintain flawless scrolling performance and usability when rendering massive volumes of data for a vast engineering workforce.

Engineered custom virtual scrolling to optimize UI rendering of massive data, ensuring smooth usability at scale.

JavaScriptPerformance OptimizationRefactoring

I take full ownership of the development lifecycle, focusing on identifying high-leverage opportunities and rapidly prototyping solutions to transform ambitious ideas into robust, high-performance software.

Practical bits

Timezones
Europe/Africa
Location
Poland
Languages
Polish, Ukrainian, English
Domains
Developer Tools, Cybersecurity, Healthcare, Legal Tech, SaaS
Employment
Part-time · Full-time · Contract
Annual salary
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Social links
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