Максим

MAXIM YARMOLIUK
SENIOR FRONTEND / LEAD ENGINEER — REACT · NEXT.JS · TYPESCRIPT

Lutsk, Ukraine

[open contact info](look above in the "contact info" section) [open contact info](look above in the "contact info" section)

SUMMARY EMPLOYMENT HISTORY

Senior Frontend Engineer with 5+ years of Jan 2020 — Mar 2022
FRONT-END DEVELOPER, CIAT
Kyiv
experience delivering fintech platforms,
Developed frontend for financial/enterprise
booking systems, dashboards, and
platforms.
high‑performance applications. Strong focus
on architecture, scalability, DX,
Modernized legacy code and reduced
performance, and clean code. Consistently defect rate.
deliver measurable improvements and lead
frontend initiatives, ensuring high‑quality Built features end‑to‑end: UI, state,
product outcomes. backend integrations.
FRONT-END DEVELOPER → Aug 2021 – Dec 2025
KEY ACHIEVEMENTS FRONT-END LEAD, MONOSOFT Kyiv
Led frontend architecture, code quality &
Improved Lighthouse performance by 40% delivery for multiple production systems.
through architecture cleanup & bundle
restructuring. Built fintech, booking & admin platforms
using React/Next.js.
Reduced bundle size by 27% across core
applications. Created reusable UI system improving
consistency & onboarding.
Increased rendering performance by 30–
45% via memoization, virtualization & state Implemented GSAP‑driven motion UI and
redesign. improved load performance (+30%).

Delivered scalable booking +
SELECTED PROJECTS
Stripe/PayPal payment system serving
Salarly — Fintech Platform (Next.js, TS,
thousands monthly.
Zustand) +40% Lighthouse, −27% bundle,
Built a company‑wide UI system → 20% +45% rendering perf, SOC2‑ready UI
faster feature delivery.
Holiday Rental Platform (US) (Next.js, TS,
Introduced analytics (PostHog) → reduced Stripe/PayPal) Booking engine, payment
system, secure auth, motion UI
critical UX issues by 35%.
Puzzle Pizza — Delivery/KDS System
(React, MobX) Dashboards, DnD workflows,
CORE SKILLS +30% UI responsiveness

React MUI TeachMeGrow — EdTech LMS (React, RTK)
Next.js GSAP Dashboards, analytics, Stripe billing, A/B
TypeScript FullCalendar tests
Zustand Stripe
Redux Toolkit PayPal LANGUAGES
React Query Architecture
SWR Performance Ukraine Native speaker
Tailwind Design Systems
SCSS Code Quality Russian Highly proficient
Styled‑Components Mentoring English B2