### **About the challenge** You will act as a technical reference in a financial sector project, with **end-to-end** front-end development responsibilities. We expect a highly autonomous professional capable of making technical decisions, ensuring quality, and sustaining the application’s evolution without requiring constant mentoring. ### **Responsibilities** * + Develop and evolve React applications at **scale** + Define and maintain front-end standards and best practices + Ensure code quality, performance, and maintainability + Implement and review tests (unit, integration, and component) + Actively participate in Code Reviews with technical and architectural vision + Consume APIs robustly, with appropriate error handling + Proactively identify and resolve issues + Collaborate with multidisciplinary teams (backend, product, QA) ### **️ Technical requirements** * + Proficiency in **React.js** (advanced hooks, Context API, custom hooks) + Solid experience with **TypeScript** + State management (Context, Zustand or similar) + Styled Components and Design Systems + Testing with Jest, Vitest and/or Playwright + Experience with Vite, Webpack, monorepos and pnpm + Advanced Git and mature collaboration in large teams + Experience with CI/CD and pipelines ### **Expected behavioral profile** * + **High autonomy** and sense of responsibility + Ability to work independently without constant supervision + Organization, professional resilience, and solution focus + Emotional maturity to handle pressure, deadlines, and change + Clear communication and collaborative attitude **MJV Benefits:** TotalPass\\Wellhub; ‍‍‍‍ Group life insurance; Meal/Voucher allowance; Health and dental plan \- Bradesco; Training initiatives: talks, forums, knowledge exchanges and conversations related to our business. We’re constantly connected to learn more — together; \+MJVer Program: internal referral program where you refer a colleague to join us, and if the match is successful, you receive a reward. Partnerships: want discounts? We have a Workplace group where we share partnerships with educational institutions, language schools, gyms, restaurants, products, and other services;