Base44 (part of Wix) is hiring a Senior/ Principal Frontend Developer (React)

Hello, let's connect! We are a dynamic tech organization committed to developing cutting-edge digital solutions for global clients across diverse industries. Throughout our nearly two-decade journey, we've collaborated with prestigious brands like UPS, McLaren, Aviva, and Deloitte. Our passion lies in Cloud-based technologies, boasting strategic partnerships with top Cloud providers including Amazon Web Services (AWS), Microsoft Azure, and Google Cloud Platform (GCP). We proudly became the inaugural AWS Premier Consulting Partner in Poland. Previously known as PGS Software, we joined the Xebia Group in 2021 - a network of interconnected companies driven by technological innovation. Our core mission is to establish authority and thought leadership in our specialized domains. We distinguish ourselves through meticulous attention to detail, unwavering commitment to knowledge, and profound belief in human potential. Our focus remains on nurturing individual team member growth and development. A leading global browser platform seeks a Senior/Principal Frontend Developer to help revolutionize web technology experiences. You will be: - Developing core browser functionalities utilized by millions worldwide - Engaging with modern Web APIs and expanding frontend capabilities - Designing functionalities using React (18/19) and TypeScript - Optimizing performance and application architecture - Collaborating with backend engineers and product teams - Proposing architectural solutions - Ensuring code quality and maintainability - Debugging complex technical challenges - Analyzing systemic interactions affecting performance and user experience - Contributing to internal engineering process refinement Job Requirements: - Exceptional JavaScript (ES6+) expertise - Comprehensive understanding of data structures - Proficient TypeScript implementation - Advanced React 18/19 experience - Profound Web API ecosystem knowledge - Strong REST architecture comprehension - Advanced debugging capabilities - Robust programming principle understanding - Code design principle mastery - Algorithmic reasoning skills - Extensive frontend ecosystem comprehension Work permit within European Union region mandatory. Recruitment Process: CV Review → HR Call → Interview I → Interview II → Final Decision