Frontend Developer

Description

Job Summary: Join a pioneering company in digital entertainment, focusing on developing responsive and high-performance interfaces for an iGaming platform, ensuring a dynamic and results-oriented environment. Key Highlights: 1. Development of responsive and high-performance interfaces for iGaming 2. Dynamic environment with leadership, autonomy, and accelerated learning 3. Frontend performance optimization and integration of robust APIs **About Us** We are continuously evolving, strengthening our infrastructure, expanding our capabilities, and advancing to the next levels of digital entertainment in Brazil. We remain pioneers, driven by ambition, technology, and a focus on scale. We operate in real time, with millions of decisions happening every second, and we seek people who want to grow alongside this journey. Here you will find a dynamic, results-oriented environment where leadership, autonomy, and accelerated learning are part of everyday life. We value those who leverage technology to their advantage, embrace challenges, and aim to build something great. If you want to join a company undergoing continuous evolution—elevating the game and opening new opportunities—Apostou could be your next step. **Key Responsibilities** * Develop responsive and high-performance interfaces for the iGaming platform — game lobby, sportsbook, player account — with focus on user experience and conversion. * Implement reusable and scalable UI components following the platform’s design system, ensuring visual consistency. * Optimize frontend performance — Core Web Vitals, lazy loading, code splitting — for smooth experiences on desktop and mobile. * Integrate backend APIs and external providers — games, payments, sports data — using robust integration layers. * Develop and maintain automated frontend tests (unit, component, and E2E) to ensure quality. * Collaborate with designers (Figma) and PMs to translate prototypes into design-faithful implementations with attention to UX. * Ensure accessibility (WCAG) and cross-browser compatibility in implementations. * Actively participate in code reviews, providing constructive technical feedback. * Integrate AI tools into the frontend development workflow to increase productivity. * Participate in on-call rotations and respond promptly and securely to frontend production incidents. * Monitor performance metrics — Core Web Vitals, error rate — and proactively propose optimizations. * Document components, coding patterns, and technical decisions for knowledge transfer. Requirements: **What We Expect From You** * React or Vue.js in production, TypeScript, HTML5/CSS3 * Design systems (Storybook) and web performance (Lighthouse, Web Vitals) * Frontend testing (Jest, Cypress, Playwright) and Git * REST APIs and integrations with external providers * Minimum 3 years of frontend development experience on digital platforms * Fluent English (technical documentation and frameworks) **Advantages That Will Strengthen Your Application:** * Experience with iGaming platforms or high-traffic systems * Google Web certifications (Web Performance, PWA) * Accessibility certifications (IAAP CPACC) Benefits * iFood Benefits * Health Insurance * Dental Insurance * Commuting Support * Birthday Day Off * *Benefits applicable only to CLT contracts* *If you seek challenges, continuous learning, and wish to stand out by what you deliver, grow with us.* ***We’re excited to meet you!***