Lead Frontend Engineer

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💎 Seniority level: Lead, 7+ years

📍 Location: Brazil

🔍 Industry: Software Development

🏢 Company: Alternative Payments👥 11-50 Financial Services Online Portals Payments

⏳ Experience: 7+ years

🪄 Skills: LeadershipCypressDesign PatternsFrontend DevelopmentGitHTMLCSSJavascriptReact.jsSoftware ArchitectureTypeScriptUI DesignCross-functional Team LeadershipAlgorithmsData StructuresNext.jsReactCommunication SkillsAnalytical SkillsCollaborationCI/CDProblem SolvingAgile methodologiesMentoringExcellent communication skillsNodeJS

Requirements:

7+ years of professional software development, with at least 3 in a frontend-lead or architect role
Mastery of React, Next.js and TypeScript (SSR/SSG, dynamic imports, code-splitting)
Strong grasp of modern styling (CSS Modules, Tailwind, Emotion) and design-system tooling
Proven track record defining and enforcing coding standards, linting/prettier rules, component guidelines and release workflows
Experience building or scaling a shared component library or micro-frontend architecture
Expertise in performance optimization (bundle analysis, lazy loading, caching strategies) and accessibility (WCAG 2.x)
Solid experience with end-to-end testing frameworks (Cypress, Playwright)
Familiarity integrating security best practices (XSS protection, CSP, vulnerability scanning with Snyk/AWS GuardDuty) into the development lifecycle
Strong understanding of CI/CD (GitHub Actions, CircleCI, etc.), code review workflows and quality gates
Demonstrated ability to coach, mentor and upskill mid- and junior-level engineers
Excellent communicator—able to translate complex technical decisions into clear guidance for cross-functional partners

Responsibilities:

Design, build and evolve our core component library and design system so every product team ships with consistency and speed
Define folder structures, import conventions, module boundaries and micro-frontend integration points
Establish and maintain coding standards, linting rules, commit conventions, branch policies and release checklists
Integrate performance budgets, accessibility audits and security scans into CI pipelines
Lead code reviews with an eye for maintainability, scalability and best practices—be the “go-to” for tricky UI challenges
Mentor engineers through pairing sessions, brown-bags and regular feedback loops
Partner with product managers, UX/UI designers and backend teams (Go services) to translate requirements into robust, performant front-end solutions
Drive adoption of new technologies and patterns, running prototypes/PoCs and sharing learnings broadly
Define key front-end health metrics (load times, error rates, test coverage) and put monitoring/alerting in place
Own performance reviews of releases and drive iterative improvements to codebase health

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