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CommIT

Senior React Engineer (Next.js)

CommIT Yerevan, Armenia

Software Development · 501-1,000 employees

9 h ago
react Senior (5-10 yrs) Full-time Armenia
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About the role

You will design, build, and maintain high-performance, responsive web interfaces for critical financial products. You will also collaborate with product managers and designers to execute roadmaps while mentoring team members and improving development processes.

What they look for

React Next.js TypeScript JavaScript Tailwind CSS Monorepos Yarn Workspaces Nx HTML CSS Responsive Design Accessibility Vite Node.js Git AWS

Requirements

The role requires over 5 years of professional experience with React, Next.js, TypeScript, and modern web tooling. Candidates must have strong proficiency in responsive design, accessibility, and experience working within monorepo environments.

Full description

We’re a high-growth fintech startup building products for the financial markets, and we’re looking for a senior Senior React Engineer (Next.js) to own our most critical frontend experiences. You’ll partner closely with product and design to ship intuitive, high-performance interfaces, and help us scale to millions of users.

What you’ll do:

  • Design, build, and ship high-performance, responsive web UIs
  • Partner with product managers, designers, and analysts to translate user needs into elegant product experiences
  • Plan and execute short- and long-term roadmaps balancing user impact, technical quality, and delivery speed
  • Raise the bar through code reviews, mentoring, and improvements to our tooling and processes

Requirements

Must-have expertise:

  • Next.js (our web app is built with Next.js)
  • Monorepos using Yarn Workspaces or Nx
  • Tailwind CSS (our primary design system)

Technical requirements:

  • 5+ years of professional software development experience
  • 5+ years with React and its ecosystem (e.g., Redux, React Router)
  • Strong proficiency in JavaScript (ES6/ES7) and TypeScript
  • Deep knowledge of HTML/CSS, responsive design, and accessibility (a11y) best practices
  • Hands-on with modern build tooling and package managers (Vite, esbuild, Yarn)
  • Experience with server-side rendering and Next.js, plus working knowledge of Node.js
  • Comfortable with Git workflows and agile methodologies
  • 3+ years working with major cloud providers (AWS/GCP/Azure)
  • Storybook

Nice to have:

  • Experience with monorepo release management and internal package versioning
  • Familiarity with performance profiling, Web Vitals, and SEO in Next.js
  • E2E testing (Playwright/Cypress) and CI/CD pipelines
  • Experience in fintech or data-heavy, real-time UIs

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