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Frontend Engineer — Yerevan, Armenia

ArsenMelqonyan

I build React and TypeScript consoles for payment and ticketing platforms, from data model to release.

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01 — About

Building systems
that scale

Frontend engineer at PandaTech, building admin consoles for fintech products: condominium payments used by nearly every condominium in Yerevan, a payment network of 4,200+ terminals, and in-app event ticketing.

I own features end to end, from data model to release: payment and KYC workflows, role-based access and two-factor sign-in, and the shared components behind them. I mentor developers, review code and run most releases for two products.

4,200+
Payment Terminals
React
Core Specialization
Fintech
Industry Focus
Mentor
Team Leadership
02 — Experience

Where I've built

PandaTechYerevan, Armenia — Frontend Engineer
Feb 2023 — Present
  • Main frontend engineer on two fintech admin consoles (condominium payments, event ticketing) and core engineer on a third for a payment-terminal network; also worked on a Next.js 16 marketing site (App Router, PWA)
  • Designed a drag-and-drop editor (dnd-kit, reducer-based state) that lets operators link, reorder and publish each terminal's payment menu
  • Built payment and sales workflows end to end: debts, transactions, chargebacks, commission and fee rules, KYC review, event schedules, promo codes and PDF tickets
  • Built account security and role-based access control (RBAC): two-factor sign-in by authenticator or SMS, device and session management, roles and permissions, and the audit trail
  • Co-developed the shared data grid behind 69 screens, plus shared picture-upload and rich-text editor components
  • Made open tabs recover automatically after a deploy instead of breaking on missing chunks; tuned RTK Query caching and added pull-request CI with Docker build checks
  • Mentored two developers, one now the main developer of a v2 rewrite; run most releases for two products (430+ QA and production promotions since 2024) and do code reviews for the team
03 — Projects

Built on the side

CryptoLiveDashReact 19 · TypeScript · RTK Query · WebSocket
View on GitHub ↗
  • Real-time crypto trading dashboard: live Binance prices and candles over WebSocket, TradingView charts and an order book
  • Redux Toolkit and RTK Query state, drag-and-drop widgets (mouse and keyboard) and Zod-validated persistence
  • 170+ Vitest and React Testing Library tests with coverage gates in CI, including regression tests for live-stream bugs
04 — Expertise

Tools of the craft

Frontend Architecture

ReactNext.jsTypeScriptJavaScriptREST APIs

State & Data

Redux ToolkitRTK QueryTanStack QueryFormik

Performance

Lazy LoadingCachingChunk-load Recovery

UI Libraries

MUIAnt DesignTailwind CSSdnd-kiti18next

Delivery & Tooling

ViteESLintGitHub ActionsDockerGitClaude Code

Leadership

MentoringCode ReviewsReleasesOnboarding
MentoringTeam CollaborationAgile & ScrumProblem-SolvingAttention to DetailCommunicationTime ManagementAdaptabilityDesign Thinking
05 — Education & Languages

Background & foundations

2014 — 2018
National University of Architecture and Construction of Armenia
Bachelor's Degree in Information and Computer Science
2021
Basic IT Center
Front-End Development course
2003 — 2014
Experimental High School No. 112 named after Shavarsh Simonyan
High School Diploma, Mathematics
ArmenianNative
EnglishProfessional
RussianProfessional
06 — Contact

Let's build
something great

Currently open to new opportunities and interesting projects. Let's talk.

arsen.front@gmail.com+374 44 18 11 61GitHubLinkedIn