Full Stack Developer Reactjs

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: AI-powered applications - Building apps that integrate with LLM APIs (OpenAI, Anthropic) Startup/scale-up solutions - Fast-moving projects with evolving requirements API development and integration - RESTful APIs, GraphQL endpoints, third-party service integrations Distributed systems - Microservices architecture, auto-scaling applications Real-time applications - Chat systems, WebSocket implementations Cloud-native solutions - Containerized applications with Docker/Kubernetes Frontend interfaces - React-based admin panels, backoffice applications Authentication & Authorization - OAuth 2.0, JWT, Auth0 implementations Database design - PostgreSQL schemas, Redis caching strategies Required Skills & Experience 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 Backend (Stronger Focus) 4 years of professional JavaScript/TypeScript experience Strong Node.js expertise - Express.js, middleware, async programming Nest.js proficiency - decorators, modules, dependency injection, guards Database experience - PostgreSQL (primary), Redis for caching, basic MongoDB knowledge API development - RESTful services,, API documentation Authentication - JWT, OAuth 2.0, session management Testing - Unit testing with Jest/Vitest/Mocha, integration testing Frontend (Supporting Skills) React.js proficiency - Hooks, state management, component lifecycle Modern JavaScript - ES6, async/await, module systems State management - Context API, Zustand, or modern state solutions CSS/Styling - CSS-in-JS, Tailwind CSS, or modern CSS solutions Build tools - Vite, Webpack, or similar bundlers DevOps & Tools Git - Branching strategies, code reviews, collaborative development Kubernetes basics - Using kubectl, checking logs, pod status Cloud platforms - AWS or Azure experience (EC2, RDS, Lambda basics) CI/CD - Azure DevOps, GitHub Actions, or similar 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 systems 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 Salary - 70-85 PLN/hour (B2B contract) and additional perks 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 Transparent processes - Open communication about project methods and decisions Typical Project Examples You might work on projects similar to: AI-powered applications with LLM integrations Startup MVPs requiring rapid development and iteration Chat bot creation platform with NLP integration Real-time communication solutions for growing companies API-first architectures for mobile and web applications