Senior Frontend Developer - Transaction Management Platform - Latin America (Remote)

Ready to accelerate your career? Clara is the fastest-growing company in Latin America. We've built the leading solution for companies to make and manage all their payments. We already help over 20,000 large and growing businesses operate with agility and financial clarity through locally issued corporate cards, bill pay, financing, and a powerful B2B platform built for scale. Clara is backed by some of the most successful investors in the world, including top regional VCs like monashees, Kaszek, and Canary, and leading global funds like Notable Capital, Coatue, DST Global Partners, ICONIQ Growth, General Catalyst, Citi Ventures, SV Angel, Citius, Endeavor Catalyst, and Goldman Sachs - in addition to dozens of angel investors and local family offices. We’re building the financial infrastructure that powers high-performing organizations across the region. We invite you to join us if you want to be part of a fast-paced environment that will accelerate your career and support you to do some of the best work of your life alongside a passionate and committed team distributed across the Americas. What you'll do We’re building a talent pipeline for top-tier Senior Frontend Engineers who are eager to shape the future of user-facing experiences at Clara. If you're passionate about frontend architecture, modern React development, and seamless user interactions—and would like to be considered for future openings—this is the place to start. We are looking for a Senior Frontend Developer to join our engineering team and help build and evolve our financial transaction management platform. You will work on a suite of microfrontend applications that power corporate expense tracking, compliance, and auditing workflows for multi-national organizations Build and maintain microfrontend applications within a federated architecture using Module Federation and Rsbuild/Rspack , ensuring seamless integration with the host container application. Develop complex financial workflows including transaction detail views, multi-level approval flows, receipt processing pipelines, and bulk action interfaces. Design and implement state management solutions using custom store patterns, React Query for server state, and URL-synchronized search/filter engines — no Redux required; we favor lightweight, purpose-built patterns. Work across a TypeScript monorepo (pnpm workspaces) containing a main React application and shared core packages (API client, selectors, receipt processing engine, search logic). Build real-time features using WebSockets (STOMP/SockJS) for live transaction updates and optimistic UI patterns. Contribute to the internal component library and design system built on top of MUI v5 and Emotion, ensuring consistency across the platform. Collaborate on code quality through ESLint, Prettier, TypeScript strict mode, SonarCloud analysis, and thorough PR reviews. Must haves 5+ years of experience in frontend development , with a focus on React Strong proficiency in JavaScript , TypeScript , and component-based architecture Hands-on experience consuming RESTful APIs and working with testing frameworks Familiarity with Git , Agile methodologies ( Scrum , Kanban ), and modern development workflows Experience ensuring accessibility, responsiveness, and consistent styling across web applications Ability to mentor junior engineers and support team development Working proficiency in English and Spanish Self-driven, impact-focused, and adaptable to change Nice to haves Experience with Node.js to enhance frontend-backend collaboration Familiarity with AWS services like Amplify , S3 , and CloudFront Knowledge of Material UI or similar design systems Understanding of OAuth , OpenAPI , and Swagger Understanding of internationalization (i18n) and multi-locale support. Experience with SonarCloud or similar static analysis tools. Exposure to fintech , compliance , or expense management domain ... (truncated, view full listing at source)