Viktor Prytyka

Frontend Engineer @Aldi Dx

Essen, DE

Working on a large-scale Progressive Web Application (PWA) with offline support and heavy frontend logic, built with Vue 3 and TypeScript.Key Responsibilities & Achievements:Developed and maintained a highly interactive PWA using Vue 3, TypeScript, and Vite, applying scalable architectural and design patterns and Composition API best practices.Implemented complex application logic, including crash recovery, barcode scanning, and age verification flows, while ensuring seamless usability in offline/poor-network environments.Built an event-driven data update mechanism using push notifications and service workers to optimize real-time user experience without excessive polling.Ensured application quality by developing comprehensive unit tests (Jest) and end-to-end tests (Playwright).Monitored production environments via Dynatrace and Amazon CloudWatch, providing on-call support, incident investigation, and root-cause analysis.Contributed to Agile ceremonies (sprint planning, stand-ups, retrospectives) and internal hackathons by proposing innovative concepts and prototypes.Onboarded and mentored new developers while improving team knowledge sharing through documentation, demos, and best practices.Tech Stack & Tools:Vue 3 · TypeScript · Vite · PWA (Service Workers, Offline support, Push Notifications) · Jest · Playwright · Capacitor.js · Microfrontend architecture · Tailwind CSS · Webpack · Firebase · Docker · Dynatrace · Amazon CloudWatch · Jira · Confluence · Figma · GitLab (code repository & CI/CD)

National Agricultural University of Life and Environmental Sciences

Automation and Computer Integrated Technologies

Kiev Industrial Collage

Specialized secondary