830 - Frontend Developer (React, GraphQL) · Senior · Remote · LATAM role at DarwoftProject: Life Sciences / Healthtech AI. Location: LATAM (Anywhere in LATAM). Time Zone: Preference for overlap with EST. English Level: B2 / C1. Job Type: Remote (Contractor).Were seeking a Senior Front-End Engineer to join a high-impact project in the life sciences industry. Youll be responsible for designing and implementing sophisticated, intuitive interfaces that bring AI-powered applications to life solutions that support medical professionals in making critical decisions and improving patient care.This is a senior-level role with significant ownership: youll influence the technical direction, contribute to architectural decisions, mentor team members, and transform complex workflows into seamless user experiences.What Youll Be DoingArchitect, build, and maintain advanced front-end applications with React.js as the primary framework (Vue.js experience is a plus)Design innovative human-AI collaborative interfaces that accelerate professional workflowsCreate intuitive, performant user interfaces that make complex AI capabilities accessible to life sciences professionalsOwn critical user-facing features end-to-end, from concept to productionCollaborate closely with product managers, designers, and engineers to deliver customer-focused solutionsOptimize applications for high-performance data visualizations and AI-powered interactionsDefine and promote front-end best practices, coding standards, and reusable patternsMentor junior engineers and foster a culture of technical excellenceTroubleshoot complex issues across the stack and support production systemsContinuously improve the user experience through data-driven decisionsWhat You Bring5+ years of experience building complex web applications with React.js (Vue.js a strong plus)Strong expertise in HTML, CSS, JavaScript (ES6+), TypeScript, and Node.jsProven experience with front-end architecture and scalable design patternsA passion for crafting exceptional user experiences with a solid understanding of UX/UI principlesStrong communication skills, comfortable engaging with both technical and non-technical stakeholdersAbility to thrive in a collaborative environment while working independently when neededA mindset of curiosity, adaptability, and continuous learningNice to HaveExperience migrating Vue.js applications to React.jsKnowledge of Web Components and Design System developmentFamiliarity with GCP technologies (Cloud Run, API Gateway, BigQuery, etc.) in production environmentsHands-on experience with async operations, modular development, dependency injectionStartup environment experience and proactive ownership of solutionsWhat Darwoft Offers (Contractor)Contractor agreement with payment in USD100% remote workArgentinas public holidaysEnglish classesReferral programAccess to learning platformsExplore this and other opportunities at:www.darwoft.com/careersSeniority levelNot ApplicableEmployment typeFull-timeJob functionEngineering and Information TechnologyIndustriesSoftware Development
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