• Develop and maintain scalable web applications using React.js and Next.js • Build reusable UI components and maintain consistent frontend architecture • Collaborate with designers, backend engineers, and product teams • Optimize applications for performance, scalability, and SEO • Ensure cross-browser compatibility and responsive design • Integrate frontend applications with RESTful APIs • Write clean, maintainable, and efficient code following best practices • Participate in code reviews and contribute to frontend architecture decisions • Troubleshoot, debug, and enhance existing applications • Implement testing and ensure code quality standards • Stay updated with the latest frontend technologies and trends

• Facilitação de Rituais: Conduzir as Dailies focando em desbloquear o time. Apoiar o PM no Refinamento (Planning) trazendo a visão de viabilidade técnica. • Gestão de Impedimentos: Ser a primeira pessoa a agir quando o time trava (seja um problema de acesso, dúvida de negócio ou bloqueio técnico). • Acompanhamento de SLA/Prazos: Monitorar o progresso da Sprint e agir preventivamente se os prazos ou SLAs de correção de bugs estiverem em risco. • Definição de Solução: Em parceria com outros Seniors, bater o martelo na arquitetura das soluções da Squad. • Guardião dos Padrões: Garantir que o time esteja seguindo os padrões de código, testes e documentação definidos pela empresa. • Code Review de Alto Nível: Atuar como última barreira de qualidade em PRs críticos ou arquiteturais. • Cultura de Escrita: Criar e manter atualizada a documentação técnica (ADRs - Architecture Decision Records, RFCs, Diagramas de Arquitetura, API Docs/Swagger). • Descentralização: Documentar processos de troubleshooting (Runbooks) para que qualquer membro do time consiga resolver incidentes conhecidos. • Documentação de Legado: Mapear e documentar fluxos críticos de sistemas legados à medida que interage com el. • Mentorar e desenvolver tecnicamente os Devs Plenos e Juniores (*Pair Programming*, *Tech Talks*). • Viabilidade Técnica: Analisar as demandas do PM e avaliar a viabilidade, propondo alternativas (MVPs). • Negociação de Débito: Ser o advogado da engenharia, expondo a coordenação de tecnologia e produto os débitos técnicos necessários a serem trabalhados.

• Lead and define full-stack architecture across multiple scrum teams, setting a clear technical vision aligned with business goals • Write clean, maintainable, and efficient Ruby and TypeScript code while modeling engineering excellence • Own architectural planning, design, and documentation for distributed, full-stack systems • Identify, evaluate, and mitigate technical risks before they impact delivery or scalability • Mentor engineers at all levels through pair programming, design reviews, and technical coaching • Partner with Product and Design to translate business needs into scalable technical solutions • Drive continuous improvement through refactoring, test automation, experimentation, and modern engineering practices • Influence Kin’s broader architectural strategy by collaborating with engineering leadership and cross-functional stakeholders • Deliver fast, reliable, and scalable applications that support both customer-facing and internal platforms • Help scale our systems and teams to support Kin’s next phase of growth

• Design, develop, and maintain scalable full-stack applications using React.js, Node.js, and TypeScript. • Collaborate with cross-functional teams to define, design, and ship new features. • Implement best practices for platform engineering, performance optimization, and security. • Work closely with DevOps to automate and streamline deployment processes. • Write clean, testable, and efficient code, and participate in code reviews. • Stay current with emerging technologies and share knowledge with peers.