Дмитро

Dmytro Yaremchuk
Senior Front-end Developer

Ivano-Frankivsk, Ukraine • [open contact info](look above in the "contact info" section) • [open contact info](look above in the "contact info" section) • Telegram | LinkedIn | GitHub | WEB​
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Summary

Frontend Developer with 5+ years of experience in iGaming and AI products. Built casino lobby UIs, CRM
systems, and deposit flows handling 10k+ daily transactions. Specialized in high-load, real-time interfaces —
React, Next.js, TypeScript, WebSockets. Comfortable with REST APIs, auth flows (JWT, OAuth), unit
testing, and AI-assisted development (Cursor, Claude).

Skills

Front-End: JavaScript (ES6+), React, React Query, Next.js, TypeScript, Tailwind, HeadlessUI, CSS,
HTML, Performance optimization.​
Back-End: Node.js, Express.js, JWT, OAuth, RestAPI, WebSockets, SSE, GraphQL, Apollo Client.​
Databases & Storage: MongoDB, relations Database (PostgreSQL, MySQL).​
DevOps & Deployment: VPS/VDS (Nginx), Render, Git, CI/CD, Vercel, Linux(Ubuntu, Debian, RedHat),
Docker, GitLab, Sentry, Version control systems, AWS, Google cloud.​
Testing & Automation: Unit, UI/UX testing, manual QA testing, React-testing-library, Code-review skills.​
AI: Proficient in AI-assisted development (GitHub Copilot, Claude), Testing (UI testing, E2E, Unit), Python.​
Languages: English (B2), Ukrainian (Native), Russian (Native).​

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Education

Ivano-Frankivsk National Technical University of Oil and Gas​
Bachelor's Degree in Data Systems and Technologies

Experience
​
Dizair Software / IGamingHouse (IGaming) – Middle Front-end Developer (NextJS)​
Remote​
06.2025 - 05.2026

●​ Developed CRM systems for IGaming oriented, tailored for managing large volumes of specialized
schedules and workflows. Also worked on the front view of Casino web apps.
●​ Engineered solutions for handling and visualizing extensive datasets, ensuring efficiency and
scalability.
●​ Worked with complex, large-scale data structures to support business-critical operations.
●​ Reduced LCP from 4.2s to 1.8s on the game lobby page. Built deposit flow UI handling 2k+ daily
transactions.

LunaraAI StartApp – Full-stack Developer​
Remote​
05.2024 - 05.2026

●​ Developed an in-house and client-facing AI assistant by integrating LLM models via ChatGPT and
Claude APIs, enabling natural language understanding and smart automation.
●​ Built the company’s website and an intuitive admin dashboard for managing the assistant, tracking
analytics, and handling user interactions.
●​ Collaborated with the AI team to fine-tune model behavior for domain-specific use cases.
●​ Developed intuitive admin tools for managing indexed content and analytics dashboards.
Spefix – Junior Full-stack Developer (NextJS)​
Remote​
11.2021 - 05.2024

●​ Designed and developed the company’s main website with a focus on performance, SEO
optimization, and CMS-friendly architecture using Next.js and TypeScript.
●​ Built a custom AI-powered search engine leveraging NLP models and vector search for semantic
relevance.
●​ Integrated the smart search solution into client websites as a white-label product, improving user
experience and conversion rates.
●​ Implemented scalable API endpoints with FastAPI and PostgreSQL to serve real-time search
queries.
●​ Collaborated with the AI team to fine-tune model behavior for domain-specific use cases.
●​ Developed intuitive admin tools for managing indexed content and analytics dashboards.