Software Engineer II - Frontend - Voice

You’ll join a cross-functional team that owns the user experience for our global voice features. Working side-by-side with designers, product managers, and fellow engineers, you’ll turn product ideas and Figma mock-ups into polished user interfaces, servicing both internal operations teams and customers who rely on our platform.

 

What you’ll do

• Build modern, responsive UIs in React, TypeScript, and JSX—focusing on performance, accessibility (WCAG).
• Implement state management patterns (Redux Toolkit, Context, or equivalent) that keep complex data flows predictable and testable.
• Collaborate with designers & PMs to translate wireframes into delightful user interactions, advocating for best-in-class UX.
• Write clean, scalable code with thorough unit and component tests (Jest, React Testing Library).
• Integrate with RESTful APIs securely using JWT/OAuth.
• Optimize, profile, and debug across browsers and devices—measuring with Lighthouse, Web Vitals, and bespoke tooling.
• Contribute to our design system and help push forward component reusability and theming.
• Participate in agile ceremonies: sprint planning, peer reviews, and continuous delivery in GitLab CI/CD.

Nice-to-have full-stack skills
If you enjoy working across the stack, you’ll have opportunities to contribute to our Spring Boot services (Java 21)—but this is not a prerequisite.

 

What you bring

• 5+ years of professional front-end development experience, heavy on React + TypeScript.
• Knowledge of modern CSS and responsive design principles.
• Strong grasp of software design patterns, data structures, and clean-code best practices.
• Experience consuming and designing RESTful APIs; comfort with tools like Postman/Insomnia.
• Proven record of writing automated tests across the pyramid (unit → E2E).
• Familiarity with accessibility standards, performance budgeting, and analytics instrumentation.
• Excellent collaboration and communication skills in both Portuguese and English (spoken & written).

Bonus points (but not required):

• Java / Spring Boot micro-services.
• Experience with Cloud Platforms such as GCP/AWS.
• Experience with CI/CD pipelines (GitLab, Jenkins).

 

Benefits:

• Five9 Shares
• Bonus Scheme
• 10% Flex Benefit
• Meal Allowance
• Medical Insurance
• Life Insurance 
• 25 day Annual Leave + Public Holidays