Back to SearchLead Front-End Developer (React)
Remote in Brazil, & 4 others
JavaScript (Frontend)& 8 others
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We are looking for a Lead Front-End Developer with strong React expertise to build responsive, accessible web experiences while shaping engineering standards and mentoring others. You will partner with cross-functional peers and embed GenAI into daily delivery to improve speed and quality. Apply to help drive meaningful impact!
Responsibilities
- Design responsive, user-friendly web applications with high accessibility standards
- Architect reusable frontend libraries and frameworks to improve scalability and maintainability
- Lead technical decisions for UI implementation, performance, and long-term code health
- Collaborate with product managers, designers, and backend engineers to deliver cohesive interfaces
- Translate UI/UX wireframes into high-quality React and JavaScript code and provide design feedback
- Mentor junior developers on best practices, coding standards, and career growth
- Lead code reviews to raise quality, consistency, and team learning
- Optimize application performance to ensure fast load times and smooth interactions
- Debug complex issues and ensure cross-browser and cross-device stability
- Implement unit and end-to-end testing to reduce regressions and increase reliability
- Coordinate with QA to identify, prioritize, and resolve defects before releases
- Adopt GenAI tools in daily workflows and validate outputs against data and quality constraints
- Drive continuous improvement by evaluating new frontend practices and GenAI-enabled delivery methods
Requirements
- 5+ years of front-end development experience with JavaScript and React
- Proven leadership skills mentoring developers and driving team alignment (1+ years)
- Hands-on experience designing reusable UI architectures and scalable component libraries
- Strong code review skills with clear, constructive feedback and quality standards
- Solid project execution skills coordinating with product, design, backend engineering, and QA
- Strong performance optimization skills for fast load times and smooth interactions
- Hands-on testing skills, including unit testing and end-to-end testing practices
- Strong debugging skills across browsers and devices with a stability-first mindset
- Applied Generative AI skills using GenAI tools for research, drafting, analysis, and code generation
- Strong prompt engineering skills for iterative, production-grade outputs
- Practical AI risk awareness covering hallucinations, context limits, and data sensitivity validation
- English proficiency at a B2+ level
Nice to have
- AI security fundamentals, including prompt injection risks and data classification handling
- Cybersecurity & Trust knowledge relevant to secure frontend delivery
- GenAI application development experience connecting GenAI tools to APIs and internal data sources
- GenAI in SDLC experience building reusable prompts, agent workflows, or automation templates