Senior Frontend Engineer, React

This is a fully remote position, open to applicants in Brazil.

📋 Description

• Develop real-time monitoring and telemetry dashboards for the platform's observability solutions.

• Create and implement React and TypeScript interfaces for network discovery, network assurance, and agent fleet management.

• Transform large and frequently changing network and telemetry data into clear and actionable visualizations.

• Establish and utilize frontend-backend contracts (OpenAPI) in collaboration with backend engineers.

• Efficiently manage client state and server data using Zustand, TanStack Query, and Context API.

• Write unit tests with Jest and React Testing Library, as well as E2E tests with Playwright integrated into CI using GitHub Actions.

• Ensure the product is accessible to all users.

• Utilize Claude Code in daily tasks, setting constraints, reviewing outputs, and maintaining accountability for correctness, security, and testing.

• Produce clean, maintainable, and well-tested code while participating in code reviews.

⛳️ Requirements

• Over 7 years of professional experience in frontend development.

• Strong proficiency in React, TypeScript, and JavaScript.

• Familiarity with Vite.

• Experience with Zustand (or similar state management libraries) and the Context API.

• Proficient with TanStack Query.

• Knowledge of TailwindCSS.

• Solid understanding of frontend-backend contracts, preferably defined with OpenAPI.

• Experience in unit testing (Jest, React Testing Library).

• Experience in E2E testing, ideally with Playwright.

• Familiarity with npm.

• CI/CD experience, preferably with GitHub Actions.

• Knowledge of PostgreSQL.

• Experience with Docker and Docker Compose (for local and test environments).

• Understanding of accessibility, with practical experience preferred.

• Hands-on experience with AI coding tools, ideally Claude Code.

• Experience in building SaaS and infrastructure products.

• Networking knowledge obtained from working on observability or monitoring products.

• Availability for working hours that overlap with the US East Coast.

• Proficient in English (minimum C1 level).

• Experience with data visualization libraries such as Recharts or D3.

• Familiarity with observability tools like Grafana.

• Experience with OAuth2 / OIDC (e.g., Auth0).

• Knowledge of RBAC (role-based access control).

🏝️ Benefits

• Flexible working hours and approach: fully remote, in-office, or hybrid.

• Opportunities for professional growth supported by internal training sessions and a dedicated training budget.

• Comprehensive onboarding with a hands-on approach to facilitate a smooth start.

• A great working atmosphere among professionals passionate about their craft.

• The opportunity to change the project you work on.