Frontend React Software Engineer

About the role

We are looking for a Frontend React Software Engineer to build modern, high‑performance user interfaces for digital solutions in the financial and credit ecosystem. You will work primarily with React and its ecosystem, delivering responsive and maintainable applications while collaborating with backend teams.

Key responsibilities

• Design, develop, and maintain scalable React applications with a focus on security and performance.
• Create responsive UI components that follow usability, accessibility, and design‑system guidelines.
• Integrate frontend code with REST APIs, Kafka streams, and AWS S3 services.
• Occasionally contribute to Node.js backend features and full‑stack improvements.
• Participate in code reviews, enforce best practices, and continuously improve code quality.
• Write and keep technical documentation for development processes and integration workflows.
• Perform testing and validation using Cypress, Jest, Vitest, and Mirage JS.

Required profile

• Strong experience with JavaScript (ES6+) and TypeScript.
• Solid expertise in ReactJS, including React Query, React Router, Zustand, and Vite.
• Experience consuming REST APIs and working with event‑driven services.
• Familiarity with frontend testing frameworks such as Cypress, Jest, or Vitest.
• Knowledge of Git workflows, ESLint, Prettier, Stylelint, Husky, and lint‑staged.
• Degree in Computer Science, Computer Engineering, or a related field (completed or in progress).
• Proactive, collaborative mindset in an agile environment.

Required skills

• JavaScript (ES6+)
• TypeScript
• ReactJS
• React Query
• React Router
• Zustand
• Vite
• REST APIs
• Kafka
• AWS S3
• Cypress
• Jest
• Vitest
• Mirage JS
• GitFlow
• ESLint
• Prettier
• Stylelint
• Husky
• lint‑staged
• SonarQube
• Node.js (nice to have)
• React Hook Form (nice to have)
• Formik (nice to have)
• NGINX (nice to have)
• Grafana (nice to have)

What we offer

• Meal allowance and health‑insurance coverage.
• Semi‑annual performance evaluations with growth perspective.
• Continuous feedback culture and referral‑bonus program.
• Free therapy sessions via Zenklub (2 per month).
• Education and professional‑development benefits.
• Remote work model with access to a coworking office in Porto Alegre.