Cross-Platform React Engineer (React.js & React Native, AI-Driven)

65 - 85 PLNNet per hour - B2B

Cross-Platform React Engineer (React.js & React Native, AI-Driven)

JavaScript

Chmielna 73, Warszawa

10Clouds S.A

65 - 85 PLN
Net per hour - B2B
Full-time
B2B
Mid
Remote

Tech stack

    English

    B2

    React.JS

    regular

    TypeScript

    regular

    JavaScript

    regular

    CSS

    regular

    tailwind

    regular

    Next.js

    regular

    Cursor

    regular

    React Native

    junior

Job description

10Clouds is a software and mobile development powerhouse with talented professionals working across Web Development, Mobile, Design, Product Delivery Management, and Quality Assurance teams. We transform unique ideas into fully-fledged digital products that have the potential to change the world. As learners, doers, and game-changers, we're passionate about using technology to create meaningful impact.


What You'll Be Working On


Based on our current project portfolio, you can expect to work on:

• Cross-platform mobile applications - React Native apps with custom features and integrations

• AI-powered web applications - React frontends that integrate with LLM APIs (OpenAI, Anthropic)

• Startup MVPs- Fast-moving projects requiring rapid prototyping and iteration

• Interactive web platforms - Video hosting, document management, authentication systems

• Custom component libraries - Reusable UI components and design systems

• Real-time applications - Chat interfaces, collaborative tools, live updates

• Embeddable widgets - Third-party integrations and SDK development


Required Skills & Experience

Frontend Core (Primary Focus)


• 3+ years of professional React.js experience - Hooks, Context API, component lifecycle

• TypeScript expertise - Strong typing, interfaces, generics

• Modern JavaScript - ES6+, async/await, module systems

• State management - Zustand, Context API, or modern state solutions

• CSS/Styling - Tailwind CSS, CSS-in-JS, responsive design

• Next.js - Server-side rendering, static generation basics

• API Integration - REST APIs and GraphQL basics (Apollo Client)

• Performance optimization- avoiding unnecessary rerenders, caching, memoizing

• Build tools - Vite, Webpack, Metro bundler

• Testing - Unit testing with Vitest (preferred) or Jest, component testing


AI & Development Tools


• AI-assisted development - Proficient with Cursor, Claude Code, or similar AI coding assistants

• Critical AI evaluation- Ability to review and validate AI-generated code

• AI-enhanced debugging - Using AI for troubleshooting while maintaining analytical thinking

• Prompt engineering - Effective communication with AI tools for development tasks


Mobile Development


• React Native proficiency - Navigation, native modules, platform-specific code

• Platform knowledge- iOS/Android deployment, app store guidelines

• Native integrations - Device features, push notifications

• Performance optimization - Bundle size, memory management, smooth animations


Soft Skills


• AI workflow integration - Comfortable integrating AI tools into daily development process

• Balanced AI usage - Leverages AI assistance without over-reliance, maintains code ownership

• Startup mentality - Adaptable to fast-changing requirements and priorities

• Problem-solving mindset - Ability to debug complex UI issues with and without AI assistance

• Communication - English B2+ level, clear technical communication

• Agile experience- Scrum/Kanban methodologies

• Client interaction - Comfortable discussing technical solutions with startup clients


What We Offer


• Flexible working- Remote-first with optional office visits

• Diverse projects - Work with innovative startups and scale-ups

• AI-first environment - Learn and grow with cutting-edge AI development practices

• Growth opportunities - Technical mentoring, conference attendance, AI training

• Modern tech stack- Latest tools, technologies, and AI development tools

• Creative freedom - Input on technical decisions and architecture choices

• Transparent processes - Open communication about project methods and decisions


Typical Project Examples


You might work on projects similar to:

• Mobile health app - React Native with device integrations

• Video hosting platform - React frontend with embeddable widgets

• Financial wellness platform - Educational app with interactive features

• Social sharing app - Mobile-first application with real-time features

• AI-powered web tools - React frontends with LLM integrations

Published: 01.09.2025

Meet the company

10Clouds S.A

10Clouds S.A. is a verified Web3.0 enterprise and a leading software house recognized for its expertise in web development, mobile applications, web design, fintech solutions, machine learning, generative AI, blockchain, and more. The company is known for delivering innovative technology solutions tailored to business needs.

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