Oleksandr

Oleksandr Myronchuk
Middle Frontend Developer
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SUMMARY
Frontend Developer with 3+ years of commercial experience building modern, high-performance web
applications.
Specialized in the React ecosystem, scalable architectures, and internal CRM/ERP systems, with a strong
focus on performance optimization and clean, maintainable code.

Proficient in developing responsive and dynamic applications using React, Next.js, and TypeScript,
applying advanced state management and component-driven development principles.
Experienced in developing Telegram Mini Apps and Chrome Extensions for automation, entertainment,
and productivity tools.

Proven track record of mentoring junior developers, improving project architecture, and resolving
complex performance bottlenecks.
Driven by a passion for delivering high-quality, performance-optimized applications that solve real
business challenges and provide outstanding user experiences.

TECHNICAL SKILLS
Frontend: React, Next.js, TypeScript, JavaScript (ES6+), TanStack Query, Redux Toolkit, Zustand, SCSS,
Tailwind CSS, Styled Components, i18next, React Hook Form, Zod, Swiper.js, REST APIs
Tools & Workflow: Vite, Webpack, Git, GitHub, Bitbucket, npm, yarn, ESLint, Prettier, Biome, Figma, Jira,
Trello, Asana
Additional: Telegram Mini Apps Development, Chrome Extensions Development, SEO Optimization, API
Integrations, Headless CMS (Strapi)
Methodologies: Agile, Scrum, Component-Driven Development, Code Review Culture

AREAS OF EXPERTISE
• Building scalable web applications with a focus on performance, maintainability, and responsiveness.
• Designing scalable frontend architectures and reusable component systems.
• Creating reusable UI components and interactive interfaces optimized for real-world use.
• Implementing new product features that align with business requirements and solve real user problems.
• Designing and implementing CRM and ERP systems with modern frontend architecture.
• Developing Telegram Mini Apps integrated with backend services and external APIs.
• Developing Chrome Extensions for entertainment, automation, and productivity.
• Collaborating effectively with backend, QA, and design teams to deliver cohesive product solutions.
• Mentoring junior developers, performing code reviews, and maintaining clean coding standards.
• Migrating legacy codebases to modern frameworks while maintaining functionality and improving
performance.
JOB EXPERIENCE
Star Way | Frontend Developer
Feb 2023 – May 2026
Developed and maintained complex frontend systems including CRM/ERP platforms, internal dashboards,
and client-facing applications using React, Next.js, and TypeScript.
Focused on scalable architecture, performance optimization, and long-term maintainability of production
systems.

Key impact:
• Improved application performance (~40%) by optimizing rendering behavior, reducing unnecessary re-
renders, and improving bundle structure.
• Designed and implemented reusable component systems used across multiple internal products
(dashboards, CRM modules).
• Initiated and led the adoption of modern frontend technologies (TanStack Query, Tailwind CSS,
React Hook Form + Zod), improving development speed and code consistency across the team.
• Developed Telegram Mini Apps integrated with backend services and CRM systems, ensuring smooth UX
and high responsiveness under real-world usage.
• Developed a completely new company website using Next.js with a modern React/TypeScript stack,
resulting in major improvements to performance, SEO, user experience, and long-term maintainability.
• Mentored junior developers, performed code reviews, and improved overall frontend code quality and
architecture practices within the team.

WhiteDev | Frontend Developer (Part-time)
Nov 2023 – Feb 2025
Developed and maintained web applications and Chrome Extensions in entertainment and productivity
domains.
Focused on frontend development, integrations, extension architecture, and cross-browser stability.

Key impact:
• Built and maintained Chrome Extensions with focus on performance, stability, and cross-browser
compatibility.
• Developed reusable UI components and improved rendering and load performance across multiple
projects.
• Ensured modular, scalable architecture using TypeScript and modern patterns.
• Integrated external APIs, analytics tools, and third-party services into frontend applications.
• Implemented backend logic using Strapi (custom APIs, content models, permissions) and integrated it
with React/Next.js frontend systems.

EDUCATION
Bachelor’s Degree, Information Technology — Sumy State University (2020–2022)
Junior Specialist, Information Technology — Zhytomyr Agrotechnical College (2016–2020)

LANGUAGES
Ukrainian — C2 (Native)
English — B1 (Intermediate)