We’re Blazity - a team of React.js and Next.js experts creating powerful web experiences. We have years-long relationships with many of our clients. As trusted development partners, we take full ownership of the projects and continuously optimize apps, stores, websites, and implement new features, or automate workflows.Looking for your next adventure? As it is said, you must gather your party before venturing forth - so why not join us? Fueling Innovation, igniting Careers - join us Now! 🚀As we continue to expand, we are looking for an experienced Senior Frontend Developers with strong React and Next.js skills. If you have expertise in headless e-commerce migrations, integrations, and implementations, we’d love to hear from you!Our requirements At least 4-5 years of experience as a Frontend Developer, Strong proficiency in React and Next.js (App router), Experience working with fast-path enviroment, trunk-based development,, Experience in e-commerce platform integrations and headless architecture, Understanding of performance optimization techniques in web applications, Knowledge of CMS platforms and e-commerce solutions, Familiatiry with various cloud services such as Netlify, Serverless Redis, CDNs, Experience working in international and Agile (Scrum) teams, English on at least C1 level. Scope of responsibilities Develop, maintain, and optimize modern web applications using React and Next.js.  Collaborate with fast-iterating teams to deliver high-quality products.  Work on headless CMS e-commerce migrations and integrations with various platforms.  Implement and optimize API integrations and third-party services.  Ensure application performance, scalability, and best coding practices.  What we offerWe may not have fruit Thursdays or online meditation sessions, but you might appreciate: 29 paid days off Health insurance fully covered by us Sports card fully covered by us  What Makes Us Special?📈 Our team has a genuine impact on the company’s decisions and direction.✨ No bureaucracy – we keep things simple and efficient.🗺️ Remote work from Poland⏳ Flexible working hours – fit your schedule to your life.🍕 Fun social events to connect with your teammates.🤝 We value feedback and foster an open, supportive environment.Salary rangesB2B: 120 - 160 PLN/h Location100% remote from Poland