Bogdan Slavniy

Bogdan Slavniy

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Full-stack Developer
Nessebar, Burgas, Bulgaria
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Résumé

Jobs verified_user 0% verified
  • M
    Senior Full Stack Developer
    Miteyda
    Jan 2024 - Current (2 years 5 months)
    • Designed and implemented AI-powered content-generation workflows with React Query, cutting average post- generation time from 43.8 s to 27.7 s (38% faster) by parallelizing OpenAI/Anthropic API calls and optimizing cache strategies. • Integrated backend and AI APIs with a 96.4% success rate, reducing error-handling overhead by 44.8% and boosting reliability. • Refactored legacy ANTD components and introduced dynamic code-splitting, slashing initial bundle size from 476.8 KB to 377.3 KB (22% reduction) and improving Time to Interactive from 3.5 s to 2.7 s. • Drove 65% growth in monthly active users creating AI-driven posts within six months of launch. Technologies: React (Next.js), TypeScript, ANTD, React Query, AI APIs, AWS, Microsoft Azu
  • Patrianna
    Senior Frontend Developer
    Patrianna
    Jan 2023 - Jan 2024 (1 year 1 month)
    • Integrated Prismic and Builder.io into Next.js, cutting the marketing content-update cycle from 4 days to 1.5 days (62% faster) and halving time-to-launch for promotional campaigns. • Employed RTK Query caching to reduce repetitive data fetches by 40%, improving page load times from 2.2 s to 1.8 s (18% faster). • Built an A/B-testing framework in Builder.io, driving a 12% uplift in banner click-through rates. • Standardized CRM data flows in Redux Toolkit, lowering feature rollout bugs by 32.3%. Technologies: React (Next.js), TypeScript, Redux Toolkit, Prismic, Builder.io, RTK Query
  • K
    Full Stack Developer / Frontend Developer
    Koitechs
    Feb 2020 - Jan 2023 (3 years)
    Italian Gambling Platform • Architected and delivered a tournament, bonus, and wagering system from scratch; onboarded 2 developers and increased sprint velocity by 21.3%. • Integrated five third-party game providers, reducing per-provider integration time from 10 days to 7 days (30% faster) via reusable connector modules. • Boosted tournament participation by 21.7% among active users within the first month of release. • Cut front-end error rates from 2.4% to 0.9% (63% reduction) through enhanced validation and end-to-end testing. Technologies: React (Next.js), Styled Components, MUI, Zustand, Elasticsearch
Education verified_user 0% verified
  • N
    Bachelor's degree
    National university 'Zaporizka politehnika', Zaporizhzhya
    Sep 2019 - May 2023 (3 years 9 months)