Senior Frontend Software Engineer (React)

About the role

IDT Corporation is a global communications company founded in 1990 and headquartered in Newark, New Jersey. We are industry leaders in prepaid communication and payment services and one of the largest international voice carriers. We are listed on the NYSE, employ over 1800 people across 20 countries, and have over $1.5 billion in revenues. We are not "another big IT corporation"- we encourage and support in-house entrepreneurs in developing their ideas into business actions. Let's help people to stay connected together. Join us! 😉

Requirements

• Strong ECMAScript 2016+ and TypeScript fundamentals.
• Solid grasp of OOP and functional paradigms in a frontend context.
• Experience with build systems (Vite, Webpack) and modern bundling concerns (code-splitting, tree-shaking, source maps, perf budgets).
• Real experience designing responsive, performant interfaces and diagnosing the issues that come with them (re-renders, bundle bloat, network waterfalls, memory leaks).
• Hands-on experience with AWS CDK (TypeScript). You've written and deployed at least one non-trivial stack.
• Practical familiarity with CloudFront, S3, Lambda, and Lambda@Edge.
• Experience with CI/CD pipelines, ideally GitHub Actions.
• Good level of English (B2 or higher).
• Russian - Native.

Additional Information

IDT is looking for a highly skilled Senior Frontend Developer who can take informal leadership over UI development among Net2Phone projects. Net2Phone is a UCaaS platform that helps thousands of businesses around the world run their internal and external communications. The Unite Interface team owns the frontend layer of the Net2Phone product - the web app at app.net2phone.com, the Electron desktop client, and the family of embedded micro-apps that live inside them. The interface group is 7 engineers split across two squads. You'll be joining SPOG - our chats & calls client for B2B users (web + desktop). SPOG is a React + MobX SPA that ships as both a standalone app and as an embedded experience inside the Unite shell, and it's the surface customers spend most of their day in. Beyond SPOG, you'll touch other UI projects in the ecosystem - the shared component library, embedded micro-apps (dialer, receptionist console, sip trunking, admin), and the infrastructure that delivers them all (CloudFront, S3, Lambda@Edge) via AWS CDK. Tech stack: React 18, TypeScript, MobX, Vite, Electron, AWS CDK, CloudFront, S3, Lambda@Edge, GitHub Actions, Jest / Vitest, Playwright.

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