Senior Frontend Engineer

Description

Your new company You will join a fast-growing technology company building an AI-powered real-time platform for customer interactions. The product helps agents work more efficiently by combining live voice, desktop activity, intelligence and AI into one modern user experience. Your new role As a Senior Frontend Engineer, you will build the core user-facing product experience, including the agent UI, Chrome extension, workspaceoverlays and real-time panels. This is a highly product-focused role where performance, usability and browser-platformexpertise are critical. Your responsibilities will include: Building high-quality frontend applications with React and TypeScript. Developing Chrome Extension functionality using Manifest V3, content scripts and browser messaging. Creating real-time UI components powered by WebSocket event streams. Optimising frontend performance, rendering and state management. Building reusable UI patterns, shared components and product modules. Ensuring extension security, accessibility and strong user experience. What you'll need to succeed Senior-level React and TypeScript skills. Experience building Chrome Extensions, ideally with Manifest V3. Strong understanding of the browser platform, JavaScript, HTML5 and rendering performance. Experience with WebSockets, streaming data and real-time interfaces. Ability to manage complex frontend state under live data updates. Experience with automated UI testing, e.g. Playwright or similar. Strong debugging skills, product mindset and attention to UI quality. What you'll get in return Contract of Employment 100% remote work Chance to work in an environment that supports autonomy and ownership What you need to do now If you're interested in this role, click 'apply now' to forward an up-to-date copy of your CV, or call us now. Hays Poland sp. z o.o. is an employment agency registered in a registry kept by Marshal of the Mazowieckie Voivodeship under the number 361.

Płaca

• 27000-31000 PLN gross

Responsibilities

• As a Senior Frontend Engineer, you will build the core user-facing product experience, including the agent UI, Chrome extension, workspace overlays and real-time panels. This is a highly product-focused role where performance, usability and browser-platform expertise are critical. Your responsibilities will include: Building high-quality frontend applications with React and TypeScript. Developing Chrome Extension functionality using Manifest V3, content scripts and browser messaging. Creating real-time UI components powered by WebSocket event streams. Optimising frontend performance, rendering and state management. Building reusable UI patterns, shared components and product modules. Ensuring extension security, accessibility and strong user experience. What you&#39

• ll need to succeed Senior-level React and TypeScript skills. Experience building Chrome Extensions, ideally with Manifest V3. Strong understanding of the browser platform, JavaScript, HTML5 and rendering performance. Experience with WebSockets, streaming data and real-time interfaces. Ability to manage complex frontend state under live data updates. Experience with automated UI testing, e.g. Playwright or similar. Strong debugging skills, product mindset and attention to UI quality. What you&#39

• ll get in return Contract of Employment 100% remote work Chance to work in an environment that supports autonomy and ownership What you need to do now If you&#39

• re interested in this role, click &#39

• apply now&#39

• to forward an up-to-date copy of your CV, or call us now. Hays Poland sp. z o.o. is an employment agency registered in a registry kept by Marshal of the Mazowieckie Voivodeship under the number 361. #LI-DNI #1200944 - Karol Kopycinski

Informacje dodatkowe

• Nr ref.: 1200944

• Lokalizacja: Polska

• Rodzaj pracy: Stała