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@vladyslav
Full-stack TypeScript engineer building web, mobile, backend and automation systems with React, Next.js, React Native, NestJS and cloud tooling.
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0 tokens across 0 active days this year. Shades reflect this user's activity, with stronger shades for higher daily totals. Session tokens count on their last active day in UTC. Use arrow keys to explore days, or Home and End to jump to the first and last day.
Aug 2026 – Sep 2026
DevelopsToday · Poland · 2 mos
Resolved data inconsistencies and calculation defects across microservices/BFF. Implemented product ingestion with schema migration, idempotent upserts, row-level locking, soft deletes and concurrency handling. Combined Sentry user feedback with native review prompts. Built a reusable Android ripple component used by nine core UI primitives. Resolved a macOS Sequoia / Expo SDK 56 build incompatibility and documented environment requirements.
Jun 2026 – Aug 2026
Self-Employed · Warsaw, Poland · 3 mos
Delivered a real-estate automation platform for a non-technical client through iterative discovery/feedback. Designed a hexagonal modular monolith with vendor-independent core, SDK ports and an applications/shared-libraries monorepo. Built an administrative Telegram bot with media and Saga compensating actions across storage/database operations. Created n8n publishing workflows for a Telegram channel with about 5,500 members and integrated Claude Code, MCP and n8n into engineering automation.
Oct 2023 – Present
Polish-Japanese Academy of Information Technology · Warsaw, Poland · 3 yrs 2 mos
Education period listed as October 2023–February 2027. The summary explicitly states expected graduation in February 2027, so the future end date is retained here rather than marking the degree complete.
Mar 2025 – May 2026
Vention · Warsaw, Poland · 1 yr 3 mos
Worked across two MedTech products, including a production platform with 250,000+ accounts, in Scrum teams up to about 20 contributors. Clarified a data-fetching interface with anti-join logic, multi-select and URL-persisted state, and investigated duplicate production data with the Tech Lead. Proposed CI/CD refactoring from Docker execution to GitHub Actions with artifact/dependency caching, reporting an 8% build-time reduction. Implemented activity tracking, session revocation, permission caching/logout invalidation, and Sentry frontend monitoring.
Sep 2025 – Mar 2026
G1 Group · Poland · 7 mos
Translated content-management needs into implementation with a Content Manager during weekly product sessions. Implemented authentication, email verification and anti-fraud checks. Designed Strapi content models/lifecycle hooks for synchronisation; structured a feature-layered frontend with SSR for SEO, CSR for interactive pages/animations, language fallbacks and geo-based internationalisation.
Nov 2025 – Feb 2026
Vention · Warsaw, Poland · 4 mos
Built multi-step patient-registration/full-stack forms and administrative tables managing hundreds of doctor–service relationships. Deployed/operated backend services and database, managed AWS IAM and demonstrated delivered features to stakeholders with technical Q&A.
Jun 2025 – Aug 2025
EcoVolt Charge · Warsaw, Poland · 3 mos
Built four data-heavy administrative features for charging stations, live sessions, transactions and wallets. Designed management interfaces for status, power, connector types, pricing, filters and operational statistics.
Oct 2024 – Jun 2025
Quibench · 9 mos
Built authentication, registration, email-verification and profile flows, plus multi-step audio recording with backend-generated questions. Improved dashboard and Q&A interactions with animated transitions and interactive lists.
