Senior Full Stack Engineer (Node.js & React )
iTeamly
⚲ Kraków, Sofia, Madrid, Gdańsk, Bukareszt
19 000 - 24 000 PLN netto (B2B)
Wymagania
- AWS
- TypeScript
- Node.js
- React
- JavaScript
Opis stanowiska
We’re building a data-driven insights platform used by professionals worldwide. Our mission is to turn complex data into actionable insights and empower teams to make better decisions. We value ownership, technical excellence, and collaboration. If you enjoy building scalable systems, mentoring engineers, and shaping software architecture, you’ll fit right in. 🎯 Your mission • Develop and maintain backend and frontend services (REST/GraphQL APIs, React apps) • Design scalable database schemas (SQL & NoSQL) and optimize queries for high-load systems • Collaborate with product, design, and DevOps teams to deliver robust solutions • Write clean, tested code (unit, integration, e2e) • Influence architecture and technical decisions • Mentor other developers and share best practices 📌 You should have • 5+ years in JavaScript / Node.js • 3+ years in TypeScript + React/Next.js • Hands-on experience with scalable backend systems • Knowledge of web fundamentals & networking (CORS, browser behavior) • Understanding of security best practices (OWASP) • Experience with cloud services (AWS preferred) • Strong communication skills in English • Ability to work independently and take ownership ✨ Nice to have • Experience with microservices / serverless architectures • Data pipelines, scraping, or data-heavy applications • Team leadership or mentoring experience • Exposure to AI/ML integrations 💡 Why join us • High-impact role on a global data platform • Work with modern technologies and best engineering practices • Autonomy & ownership in your work • Collaborative and experienced team • Competitive employment package and benefits.