Senior React Engineer (Next.js)

Comm-IT • JavaScript • TypeScript • Node JS • 7 days ago
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Salary
≈ $49k – $91k per year (Estimated)
Location
Remote (Poland)also open in Armenia
Seniority
Senior · 5+ years exp
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 19, 2026. First seen by Alion on Oct 12, 2026. Comm-IT scores B on the Alion truth index.

Overview
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Profile match

Comm-IT

Comm-IT is an Israeli technology services company headquartered in Petah Tikva that provides software development, cloud and managed services, generative AI and ML, data and big data, cybersecurity, embedded and IoT, and IT and communication infrastructure work. Founded in 2005 by veterans of IDF technology units, it reports about 1,000 experts and 1,200 clients, with an office in New York and delivery centers in Ukraine, Poland, Armenia, Bulgaria and other countries. It hires backend, full-stack and React developers, DevOps and data engineers, GCP specialists, help desk and network technicians, project and product managers and QA engineers.
comm-it.com • HQ: Petah Tikva, Israel • IT Outsourcing & Dedicated Teams • Cloud Consulting & Migration • Custom Software Development • IT Consulting & Digital Transformation • 11-50 employees • Est. 2005

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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