Job Summary: Work as a full-stack developer with a focus on modern front-end and Node.js back-end, designing and maintaining scalable web applications, leading technical decisions, and mentoring developers. Key Highlights: 1. Full-stack development with a focus on front-end and Node.js for scalable solutions. 2. Technical, architectural leadership and mentoring of developers. 3. Excellence in UI/UX, performance, accessibility, and technical SEO. **Responsibilities and Duties** **What awaits you daily:** --------------------------------- * Work as a full-stack developer with a strong focus on modern front-end and Node.js back-end, ensuring scalable, resilient, and high-performance solutions; * Design, evolve, and maintain distributed web applications for high traffic volumes, millions of users, and multiple devices; * Lead technical and architectural decisions, defining standards and best practices for front-end, back-end, and cross-layer integrations; * Define and evolve modern architectures based on APIs, microservices, event-driven design, serverless, and Clean / Hexagonal Architecture principles; * Strategically select technologies, frameworks, and tools, considering performance, cost, security, observability, and scalability; * Ensure technical excellence in UI/UX, front-end performance, accessibility, technical SEO, and user experience; * Serve as a reference for integrations with internal and external APIs, contracts, versioning, security, and governance; * Define and maintain observability standards, including logs, metrics, tracing, and end-to-end monitoring; * Identify technical risks, performance bottlenecks, and technical debt, proposing structured plans for continuous evolution; * Lead technical discussions, architecture reviews, and advanced code reviews; * Mentor developers at various levels, promoting engineering best practices and elevating the team’s technical maturity; * Collaborate closely with Product, Design, QA, SRE, and other teams to ensure alignment between business and technology; **Requirements and Qualifications** #### **We’re looking for someone who:** * Thinks and acts from the customer’s perspective. Demonstrates interest and curiosity about customers, their behaviors and preferences, aiming to meet and exceed their expectations; * Shows consistent commitment to learning, teaching, and developing, contributing to a relaxed, respectful, and collaborative environment that encourages diversity; * Is flexible enough to move beyond existing paradigms and mental models. Seeks innovative and sustainable solutions to create competitive advantages for the business, balancing economic, environmental, and social interests. **To join our team, it is essential:** ------------------------------------------------ * Reside in São Paulo or Rio de Janeiro; * Bachelor’s degree in Information Systems, Computer Science, Software Engineering, or related fields; * Experience with Node.js (APIs, services, integration, performance, and security); * Experience with modern front-end development using frameworks such as React, Next.js, Vue.js, or similar; * Proficiency in JavaScript and TypeScript; * Advanced knowledge of web application architecture, design patterns, and engineering best practices; * Experience with version control (Git), code review, and branching strategies; * Experience with CI/CD, test automation, and deployment pipelines; * Knowledge of observability, monitoring, and troubleshooting in production environments; **Nice-to-have:** ------------------ * Experience with AWS (Lambda, ECS, S3, CloudFront, API Gateway); * Experience with SQL and NoSQL databases, including modeling and performance tuning; * Knowledge of event-driven architectures, messaging, and streaming; * Experience in high-availability and high-scale environments; * Intermediate or advanced English or Spanish; **Additional Information** At **Claro, people are one of our core values.** Guided by this principle, we continuously invest in the health, well-being, and quality of life of our employees! To provide you with the best experience during your journey with us, we offer an attractive benefits package. Check it out: * Flexible working hours; * Meal and food vouchers; * Medical and dental assistance; * Support for serious illnesses; * Assistance for dependents with disabilities; * Pharmacy benefit; * Daycare/Babysitter allowance; * Personal Support Program; * Claro Running; * Private pension plan; * Life insurance; * Employee Combo; * Wellhub (Gympass); * Meu Pet Club; * Agreements and partnerships; * Recognition program for years of service; * And much more! **At our company, we value an inclusive, diverse, ethical, collaborative, and harmonious environment. We do not discriminate based on gender, race, color, sexual orientation, social status, or disability. Everyone is welcome!** **Here, we have a large team that makes everything happen!** It is through the effort and dedication of each of our People that we are today a benchmark in what we do, united in our purpose: **“Connect to a more fun and productive life.”** We integrate all technologies to build the best and most comprehensive connectivity infrastructure in the country. We are confirmed multi-champions by Speedtest as Brazil’s fastest and most stable mobile internet and most stable Wi-Fi network, among many other recognitions. We are also the 4th most valuable brand in Brazil (BrandZ). In Brazil, we operate in over 4,800 municipalities, serving more than 83 million customers. We have led portability balances for over 5 years, with 1.2 million ported lines in 2022. And there’s more: We **innovate** our products and services to better serve our users! Today, we offer **entertainment** solutions (Claro Música, Claro TV+, Claro Livros, Claro Vídeo, Claro Gaming), **financial services** (Claro Pay), and more! We have an **aerospace presence** (with 5 satellites in orbit via Embratel) and are a reference in **industrial, automotive, and agribusiness connectivity**, among others. We also foster connections between our businesses and the innovation ecosystem through **beOn**, Claro and Embratel’s innovation hub. Sustainability is a core Claro value. **We invest in environmental, economic, and social development**, always prioritizing governance, environmental responsibility, data protection, and social impact. Through the Claro Institute, we connect people for a better future, combining services with social investments in **education and citizenship** projects. **So, is it a match? #JoinClaro and help us build the new together!**