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Founded a frontend architecture that held 14+ months
Frontend Engineer · 11 yrsPolandContract
Frontend Engineer · 11 yrsPolandContract
Shipped 20+ production features for a care platform
Software Engineer · under 1 yrPolandFull-time · Contract
Software Engineer · under 1 yrPolandFull-time · Contract
Architected and deployed an end-to-end microservices healthcare web platform.
Software Engineer · 18 yrsPolandPart-time · Full-time · Contract
Software Engineer · 18 yrsPolandPart-time · Full-time · Contract
Designed and implemented scalable backend architecture with PHP and Laravel
Backend Engineer · 8 yrsUkraineFull-time
Backend Engineer · 8 yrsUkraineFull-time
Built and launched a multilingual, WCAG-friendly Drupal website
Frontend Engineer · 5 yrsPolandFull-time · Part-time
Frontend Engineer · 5 yrsPolandFull-time · Part-time
Built a custom microfrontend architecture
Frontend Engineer · 9 yrsPolandFull-time · Contract
Frontend Engineer · 9 yrsPolandFull-time · Contract
Shipped a RAG assistant with 50% fewer hallucinations
Data Scientist · 13 yrsPolandFull-time
Data Scientist · 13 yrsPolandFull-time
Reached a 30% cache hit-rate, sparing the primary DB
Software Engineer · 1 yrPolandFull-time
Software Engineer · 1 yrPolandFull-time
Shipped a RAG assistant with 35% fewer hallucinations
Machine Learning Engineer · 6 yrsGermanyContract
Machine Learning Engineer · 6 yrsGermanyContract
Cut p99 latency 350→120ms under peak load
Software Engineer · 1 yrPolandPart-time
Software Engineer · 1 yrPolandPart-time
Launched a reranker lifting CTR 26%→38%
Data Scientist · 18 yrsNetherlandsContract · Full-time · Part-time
Data Scientist · 18 yrsNetherlandsContract · Full-time · Part-time
Migrated monolith to 11 services, zero downtime
Platform Engineer · 8 yrsGermanyContract
Platform Engineer · 8 yrsGermanyContract
Cut incident rate 55% with SLOs + runbooks
Software Architect · 6 yrsPolandContract · Part-time
Software Architect · 6 yrsPolandContract · Part-time
Brought 5 core flows to accessible AA
Product Designer · 3 yrsPolandContract · Part-time · Full-time
Product Designer · 3 yrsPolandContract · Part-time · Full-time
Cut firmware power draw 55%
Game Developer · 7 yrsGermanyContract · Part-time · Full-time
Game Developer · 7 yrsGermanyContract · Part-time · Full-time
Absorbed a 7x launch spike with autoscaling
Backend Engineer · 20 yrsSpainFull-time
Backend Engineer · 20 yrsSpainFull-time
Rebuilt the top form, lifting completion 24%→47%
Frontend Engineer · 4 yrsGermanyFull-time · Part-time · Contract
Frontend Engineer · 4 yrsGermanyFull-time · Part-time · Contract
Rebuilt the top form, lifting completion 38%→56%
Mobile Engineer · 3 yrsGermanyFull-time · Contract
Mobile Engineer · 3 yrsGermanyFull-time · Contract
Cut repeat support questions 15%
Developer Advocate · 15 yrsFranceFull-time · Part-time · Contract
Developer Advocate · 15 yrsFranceFull-time · Part-time · Contract
Took the service multi-region, cutting tail latency 55%
Backend Engineer · 6 yrsPolandContract · Full-time · Part-time
Backend Engineer · 6 yrsPolandContract · Full-time · Part-time
Automated retraining, keeping the model fresh
Data Scientist · 3 yrsPolandPart-time · Full-time · Contract
Data Scientist · 3 yrsPolandPart-time · Full-time · Contract
Shipped a design system adopted by 7 teams
Full-Stack Engineer · 4 yrsPolandPart-time · Contract
Full-Stack Engineer · 4 yrsPolandPart-time · Contract
Cut training cost 35% with spot + checkpointing
Data Scientist · 8 yrsGermanyPart-time · Contract · Full-time
Data Scientist · 8 yrsGermanyPart-time · Contract · Full-time
Hardened auth, closing a critical IDOR class
Blockchain Developer · 13 yrsNetherlandsPart-time · Full-time
Blockchain Developer · 13 yrsNetherlandsPart-time · Full-time
Rebranded across 3 surfaces in one system
UX Designer · 7 yrsSpainContract · Part-time
UX Designer · 7 yrsSpainContract · Part-time

Founded a frontend architecture that held 14+ months

Shipped 20+ production features for a care platform

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

Designed and implemented scalable backend architecture with PHP and Laravel

Built and launched a multilingual, WCAG-friendly Drupal website

Built a custom microfrontend architecture

Shipped a RAG assistant with 50% fewer hallucinations

Reached a 30% cache hit-rate, sparing the primary DB

Shipped a RAG assistant with 35% fewer hallucinations

Cut p99 latency 350→120ms under peak load

Launched a reranker lifting CTR 26%→38%

Migrated monolith to 11 services, zero downtime

Cut incident rate 55% with SLOs + runbooks

Brought 5 core flows to accessible AA

Cut firmware power draw 55%

Absorbed a 7x launch spike with autoscaling

Rebuilt the top form, lifting completion 24%→47%

Rebuilt the top form, lifting completion 38%→56%

Cut repeat support questions 15%

Took the service multi-region, cutting tail latency 55%

Automated retraining, keeping the model fresh

Shipped a design system adopted by 7 teams

Cut training cost 35% with spot + checkpointing

Hardened auth, closing a critical IDOR class

Rebranded across 3 surfaces in one system