Job Summary: Opportunity for React/TypeScript developers to work on-site at Serasa, focused on modern, scalable, and high-quality web development, with an emphasis on learning and collaboration. Key Highlights: 1. Assignment to a leading technology and data client: Serasa 2. An environment that values best practices, continuous learning, and collaboration 3. Ongoing encouragement for learning and professional development **At Premiersoft, we turn challenges into real solutions!** With over a decade of experience in development, we are driven by a clear purpose: **creating technological experiences that propel businesses** and accelerate our clients’ transformation. Our team—comprising over 200 **\#Heroes**—combines technical excellence with our core DNA: **Team Player, Growth Driven, and Problem Solver**. We thrive on challenges, are guided by innovation, and are committed to delivering **high-impact solutions**, every single day. **About the opportunity:** This opportunity is to work **on-site at a market-leading technology and data client: Serasa**. You will join an environment that values **best practices, continuous learning, and collaboration**, with direct interaction with experienced professionals and active participation in developing modern, scalable web solutions focused on quality and user experience. It’s an ideal position for those who already have a foundation in **React and TypeScript** and wish to **advance technically**, understanding the full software development lifecycle and how code delivers real business impact. **Your responsibilities will include:** * Developing and maintaining web applications, supporting the creation of solutions focused on quality, best practices, and well-organized code; * Actively participating in the software development lifecycle, with guidance and mentoring from more experienced professionals; * Contributing to the team’s agile ceremonies (dailies, plannings, retrospectives, and reviews), sharing learnings and continuously improving; * Collaborating effectively—learning from the team and contributing to business value delivery; * Supporting the implementation and maintenance of basic CI/CD pipelines and version control best practices; * Developing reusable components, following Clean Code principles and modern frontend standards; * Suggesting improvements in performance, usability, and user experience. **What you need:** * Basic to intermediate knowledge of JavaScript and TypeScript; * Initial experience with React.js, including component construction and application flow; * Familiarity with Next.js concepts such as SSR, SSG, or ISR; * Knowledge of HTML5, CSS3, and responsive design principles; * Understanding of code organization and readability best practices; * Experience with Git and source code versioning; * Basic UX awareness and exposure to design tools like Figma; * Interest in learning about automated testing and software quality. **Nice-to-have qualifications:** * Basic knowledge of Jotai or other state management libraries; * Interest in observability and monitoring using tools like DataDog; * Familiarity with metrics and analytics tools such as Google Analytics; * Interest in accessibility (WAI\-ARIA) and digital inclusion best practices; * Solid understanding of HTML semantics; * Basic knowledge of cloud platforms such as AWS or similar. On-site hiring. **What we offer:** * A **collaborative** environment with **continuous knowledge sharing**; * An open culture embracing **innovation, ideas, and initiative**; * Use of **cutting-edge technologies** and industry best practices; * Focus on **technical excellence** and **real-world impact** in deliverables; * Ongoing encouragement for **learning and professional development**. **Our benefits:** * **Flexible benefits card** via Flash—covering meals, transportation, wellness, and more; * **Health insurance plan** (Unimed); * Partnership with a **mental health clinic**; * **Free lunch at the office**; * **Free drinks all day:** gourmet coffee, energy drinks, juices, whey protein, sodas, and chocolate milk; * **Relaxation room:** relaxing massages twice per week; * **Decompression spaces:** including game room and nap room; * **TotalPass:** access to gyms, studios, and wellness activities; * Gifts via Flash—**birthday gift** and **company anniversary gift**; * Referral bonus—**R$ 2\.000,00 per hire**; * Continuous development with **IDPs (Individual Development Plans), feedback, and certification support**; * **Free English classes:** preparing you for international opportunities; * On-site parking. See what it’s like to join the Premiersoft team Learn more about us Visit our headquarters Communication throughout the selection process occurs via email or WhatsApp. To avoid missing any updates, please add the domain **@premiersoft.net** to your list of trusted senders and monitor both your inbox and spam folder.