# Senior Front End Engineer (React)

**Company**: Ajax Systems
**Location**: Kyiv
**Work arrangement**: onsite
**Experience**: senior
**Job type**: full-time
**Category**: Engineering
**Industry**: Technology

**Apply**: https://jobs.lever.co/ajax/411f2f53-d9b0-4550-9300-9f7ff49092f0?utm_source=yubhub.co&utm_medium=jobs_feed&utm_campaign=apply
**Canonical**: https://yubhub.co/jobs/job_9802a6f1-303

## Description

We are looking for a Senior Front End Engineer (React) to join our System division.

The System division develops the software ecosystem for Ajax, including OS Malevich, Video Management System, cloud services, and client applications. The team ensures the stable operation of all components of the system as a single digital platform.

**Key Responsibilities:**

- Develop and scale the existing operator page for video viewing in the web (Next.js) and Video SDK (React Native)

- Unify code by extracting common logic into a separate library to synchronize the work of all platforms

- Develop the Storybook library based on TailwindCSS and DaisyUI to ensure visual unity of products

**Requirements:**

- Expert-level TypeScript with deep understanding of types, generic interfaces, and experience working with monorepositories

- In-depth knowledge of React (hooks, context, performance optimization) and Next.js

- Understanding of data streaming principles and protocols

- Experience with unit, integration, and e2e testing

**Nice to Have:**

- Experience with mobile development (React Native & Expo)

- Knowledge of WebRTC and video streaming protocols

- Experience with Protobuf and Bufbuild

**What We Offer:**

- Opportunity to propose and implement your own ideas that impact the product

- Position in a rapidly growing company with a motivated professional team

- Competitive salary

- Medical insurance

- Corporate English language classes

- Opportunity to participate in internal beta testing of Ajax security systems

- Discounts from partner companies

- Discounts on company products

## Skills

### Required
- TypeScript
- React
- Next.js
- data streaming
- unit testing
- integration testing
- e2e testing

### Nice to have
- React Native
- Expo
- WebRTC
- video streaming
- Protobuf
- Bufbuild

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Source: [Apply at jobs.lever.co](https://jobs.lever.co/ajax/411f2f53-d9b0-4550-9300-9f7ff49092f0?utm_source=yubhub.co&utm_medium=jobs_feed&utm_campaign=apply)