React Frontend Developer - Mid-Level

Description

Job Summary: You will regularly participate in brainstorming sessions, develop frontend solutions, and improve the user experience of applications serving millions of users, collaborating with a multidisciplinary team. Key Highlights: 1. Improve the user experience of applications serving millions of users 2. Creative development of frontend solutions 3. Participation in brainstorming sessions on user experience and data **Responsibilities and Duties:** Regularly participate in brainstorming sessions on user experience, data analysis, and task flows with designers, product owners (POs), and data scientists on your team. Additionally, develop creative frontend solutions to meet user needs and deliver an optimal user experience—collaborating closely with your team. Responsibilities * Improve the user experience of applications serving millions of users * Development of responsive pages and visual components * Integration with RESTful APIs * Review team pull requests Ability to analyze legacy applications for their evolution and that of the platform * **Requirements and Qualifications:** * CI/CD (Jenkins / GitHub Actions) * Design System * Knowledge of OOP, SOLID, Clean Code, Cle * Minimum 3 years of experience in frontend development. * Familiarity with Agile, Scrum, and Kanban methodologies. * Strong knowledge of JavaScript (ES6, TypeScript), Node.js, HTML, CSS, and React. * Accessibility (A11y) per WCAG, Levels A, AA, and AAA * Ability to maintain high page performance through continuous monitoring of performance metrics using tools such as Lighthouse or GTmetrix (**FCP** *first contentful paint*, **LCP** *largest contentful paint*, **CLS** *cumulative layout shift*, **FID** *first input delay*, Request Waterfall analysis) * Experience with JavaScript frameworks: Styled Components, Next.js, Redux, Node.js * Solid understanding and hands-on experience with SSR (Server-Side Rendering), SPA (Single Page Application), and SSG (Static Site Generator) * Development with unit tests, integration tests, and linting. * Architecture, Domain-Driven Design. Micro-frontends * Server-side template composition, * Build-time integration, * Runtime integration via iframes, * Runtime integration via JavaScript, * Runtime integration via Web Components, * Module Federation. **Here, we are \#SangueLaranja!** We have been operating in the market for 17 years, partnering closely with our clients to deliver transformative experiences. We are a global technology and innovation ecosystem; beyond Brazil, we operate across Europe and the UK, with offices in Portugal, London, Dubai, and the Netherlands. **F for Formation: We believe in practicing a culture of knowledge sharing, community awareness, and the transformative power of knowledge!** We run social initiatives and actions promoting development—including the tech community Orange Juice, our Training Program, our leadership school, and multiple partnerships with NGOs and EdTechs. **At FCamara, everyone is welcome. For us, Diversity, Respect, and Ethics are non-negotiable values embedded in our DNA.** **So, are you ready to join an amazing team and become the protagonist of your own story?