Hi, I’m Constantin Amurov, a Front-End Software Engineer with 4+ years of experience building scalable, high-performance web applications using React.js, Next.js, and TypeScript. I’m skilled in modern state management, GraphQL/REST API integrations, and performance optimization, delivering products for global markets. I enjoy collaborating with cross-functional teams in Agile, remote environments and am passionate about clean architecture, developer experience, and mentoring junior engineers. I thrive in dynamic, remote teams, value continuous learning and code quality, and I’m always looking for ways to improve performance, UX, and maintainability across projects.…

Constantin Amurov

Hi, I’m Constantin Amurov, a Front-End Software Engineer with 4+ years of experience building scalable, high-performance web applications using React.js, Next.js, and TypeScript. I’m skilled in modern state management, GraphQL/REST API integrations, and performance optimization, delivering products for global markets. I enjoy collaborating with cross-functional teams in Agile, remote environments and am passionate about clean architecture, developer experience, and mentoring junior engineers. I thrive in dynamic, remote teams, value continuous learning and code quality, and I’m always looking for ways to improve performance, UX, and maintainability across projects.…

Available to hire

Hi, I’m Constantin Amurov, a Front-End Software Engineer with 4+ years of experience building scalable, high-performance web applications using React.js, Next.js, and TypeScript. I’m skilled in modern state management, GraphQL/REST API integrations, and performance optimization, delivering products for global markets. I enjoy collaborating with cross-functional teams in Agile, remote environments and am passionate about clean architecture, developer experience, and mentoring junior engineers.

I thrive in dynamic, remote teams, value continuous learning and code quality, and I’m always looking for ways to improve performance, UX, and maintainability across projects.

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Skills

Experience Level

React JS
Expert
JavaScript
Expert
Tailwind
Expert
Node.js
Expert
TypeScript
Expert
PostgreSQL
Expert
Redis
Intermediate
MongoDB
Intermediate
GraphQL
Intermediate
Selenium
Intermediate
MySQL
Intermediate
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Language

English
Fluent

Work Experience

Software Development Engineer II at ASSIST Software
April 1, 2021 - Present
Delivered multiple front-end integrations and features across large-scale projects (Wellastore, Conpend, JRNI, Smart Tracking Platform) within agile teams. Refactored front-end components and reduced GraphQL query costs by 50%, improving efficiency and lowering infrastructure expenses. Implemented features integrated with Contentful, enabling faster content updates and editorial workflows. Redesigned the payment architecture by migrating from Adyen Hosted Pages to Adyen Drop-in Advanced Flow, improving scalability, UX, and maintainability. Developed serverless APIs for integration with external services (license verification, webhooks, live chat). Optimized Apollo Client SSR cache and improved Lighthouse performance scores by up to 35%. Mentored junior developers, conducted code reviews, and collaborated with cross-functional teams to align project goals with market needs.
Front-End Developer (Freelance) at Syndika
August 1, 2024 - October 1, 2024
Developed Tea-Fi Presale & Admin Panel for a cryptocurrency application. Integrated smart contracts for claiming and vesting tokens using wagmi, viem, and Subgraph. Enhanced performance with SWR and optimized load times for better UX. Delivered real-time vesting profile data with GraphQL + Subgraph.

Education

Master's Degree at Eötvös Loránd University, Budapest, Hungary
September 1, 2017 - June 1, 2023
Bachelor's Degree at Ștefan cel Mare University of Suceava, Romania
January 11, 2030 - June 1, 2021

Qualifications

Cambridge English: First (FCE)
April 1, 2017 - January 16, 2026
Microsoft Certified: Azure AI Fundamentals
November 1, 2025 - January 16, 2026

Industry Experience

Software & Internet, Professional Services
    paper Portfolio Website

    Link: https://www.twine.net/signin
    This is a portfolio built using Next.JS, Framer Motion and Shadcn/UI.

    🚀 Tech Stack
    Next.js
    shadcn/ui
    Framer Motion
    Tailwind CSS

    ✨ Features
    ⚡️ Next.js 15 with App Router
    📝 Blog
    🎨 Tailwind CSS - for styling
    🌈 Shadcn UI - accessible UI components
    📱 Responsive design
    🌗 Light / Dark mode
    📈 SEO optimized with meta tags
    📊 Sentry (setup required)
    🎨 Animations - using Framer Motion
    🔨 Husky & Lint Staged - lint and format code before committing
    💄 Prettier - code formatting
    📞 Contact form (setup required)
    🛡️ Cloudflare Turnstile (setup required)