Front End React Engineer

99x Brazil, the #1 Top Software Development Company in Brazil by Clutch, is looking for a Front End Engineer (React) to join their team of over 60 skilled software engineers, designers, and makers. With over 10 years of experience building scalable tech solutions for companies in North America and Europe, we're a Glassdor 5 stars rated company in the Information Technology and Services industry. The candidate will work supporting our client's Next.js/React/TypeScript ticketing platform, collaborating closely with our backend lead (Java/Spring) and mid-senior frontend developer on customer-facing features. If you are a proactive and quick learner, passionate about coding and delivering top-quality projects, this might be the perfect opportunity for you.

Requirements

• 1-2+ years professional experience with Next.js (App Router, server components, production deployments)

• Strong React and TypeScript fundamentals

• Testing experience (Jest, React Testing Library, Playwright/Cypress)

• Proficient with Git workflows (branching, PRs, code review, conflict resolution)

• UI/design sense - can implement designs with attention to detail and understand basic UX principles

• Active user of AI coding tools (Claude, Cursor, Copilot) - should articulate how they use AI to learn and ship faster

• Can read and make simple changes to Java/Spring Boot code

Key Attributes

• Self-directed learner who experiments with new tools/patterns

• Understands full-stack fundamentals (API integration, data flow)

• Can explain Next.js-specific architectural decisions and pain points they've solved

• Comfortable working independently with some mentorship from mid-senior frontend dev

Team Context

Small, high-impact team (backend lead, frontend mid-senior, QA, automation, product). Recent transition creating opportunity for growth and increased responsibility.

Nice to Have:

• CS degree or bootcamp with Java exposure

• E-commerce or high-traffic consumer application experience

Benefits

• Your pick when it comes to employment models: CLT/PJ/Cooperativa;
• We provide resources for you to grow and learn on the job, including online courses, mentoring, and the latest-gen laptops;
• A fully remote work environment with flexible working hours;
• Bonus for any referrals that we end up hiring;