I am a Senior Frontend Engineer with 6 years of experience building enterprise-level web applications using React, TypeScript, and modern JavaScript ecosystems. Throughout my career, I have been the sole frontend developer at BI GROUP, where I independently architected and delivered four production applications, including Jira and Confluence replacements that saved the company $100,000 annually. I have a proven ability to make technology stack decisions, design complex multi-page applications from scratch, and ship high-quality code across the full development lifecycle.
I am a strong collaborator who works closely with cross-functional teams including backend engineers, QA, and product stakeholders to ensure seamless project delivery. My expertise includes architecting frontend solutions, performance optimization, and establishing CI/CD workflows. I am passionate about mentoring junior developers and conducting thorough code reviews to maintain high standards.
My experience spans various frontend technologies such as React, Redux, Zustand, and styling frameworks like Tailwind CSS and Ant Design. I have also worked with backend technologies including Node.js and AWS services, supporting full-stack delivery goals. I am comfortable working in Agile/Scrum environments and actively participate in sprint planning and retrospectives.
I have developed complex applications featuring advanced functionalities like role-based navigation, authentication, interactive maps, data visualization dashboards, and embeddable AI chat widgets. I am skilled in implementing automated testing suites to improve release confidence and system reliability.
I hold a Bachelor’s Degree in Programming from the University of Information Technology and Management in Rzeszow. I am fluent in Russian and have intermediate proficiency in English. I am eager to continue contributing to innovative projects and advancing my skills in frontend engineering.
Sole frontend engineer responsible for architecting and delivering four enterprise web applications, collaborating directly with backend developers, QA, and stakeholders. Architected and built Jira and Confluence replacements from scratch, saving the company $100,000 annually. Selected technology stack independently. Developed internal Tickets application with full CRUD, authentication, role-based navigation, advanced search/filtering, and URL state persistence. Built embeddable AI Chat Widget. Implemented custom rich-text editing solution using Tiptap, dark/light theme support, and reusable component libraries. Established frontend architecture patterns, performance optimization strategies, and CI/CD workflows. Conducted code reviews and mentored junior developers.
Developed responsive UI components and full application modules independently. Implemented interactive map functionality using MapBox and Leaflet. Built data visualization dashboards using HighCharts and Recharts. Performed CRUD operations with REST API integration.
Developed frontend features and maintained internal CRM applications. Implemented automated test suites. Conducted code reviews and mentoring. Built transaction recovery service using AWS SQS and SNS. Migrated legacy libraries to modern replacements. Contributed to backend services using Node.js, TypeScript, and AWS. Worked in Agile/Scrum environment.
Designed and built Service Desk module serving 10,000+ users. Integrated REST API, browser storage, and File API. Created custom scripts for OnlyOffice package and implemented new features.
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