{"id":3470616,"url":"https://alion.io/job/darwoft-1042-frontend-developer-ux-engineer-sr-remote-latam","title":"1042 - Frontend Developer (UX Engineer) · Sr · Remote · LATAM","company":{"id":61145,"name":"Darwoft","domain":"darwoft.com","url":"https://alion.io/company/darwoft","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Manatal","truth_index":null},"role":"Frontend","role_family":"Frontend","seniority":"senior","employment_type":null,"work_mode":"remote","remote_scope":"stated_regions","remote_scope_basis":"board_field","remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Córdoba, Argentina"],"countries":["AR"],"hiring_countries":["AR","BR","CO","MX","AI","AG","AW","BS","BB","BZ","BM","BO","VG","BQ","KY","CL","CR","CW","DM","DO","EC","SV","FK","GF","GD","GP","GT","GY","HT","HN","JM","MQ","MS","NI","PA","PY","PE","PR","KN","LC"],"hiring_countries_total":48,"salary":null,"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"Claude Code","optional":false},{"name":"Copilot","optional":false},{"name":"Cursor","optional":false},{"name":"Figma","optional":false},{"name":"JavaScript","optional":false},{"name":"Rest API","optional":false},{"name":"State Management","optional":false},{"name":"TypeScript","optional":false},{"name":"AI Agents","optional":true},{"name":"Node JS","optional":true},{"name":"React Native","optional":true},{"name":"React.js","optional":true}],"status":"live","first_seen_at":"2026-10-29T16:59:51Z","employer_posted_date":"2026-10-29","last_verified_at":"2026-11-01T18:07:41Z","board_verified":true,"closed_at":null,"days_open":3,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":3},"description":"Disclaimer - Must read: Commitment & Focus\nThis role requires full-time dedication, with clear priority given to Darwoft projects during the established working hours. It is not compatible with other full-time professional engagements. Any additional professional activities must be disclosed in advance and must not interfere with the responsibilities or working hours of this role.\nAbout Darwoft\nDarwoft is a software factory that builds custom software solutions and provides IT staff augmentation services for international clients, mainly in the United States and Latin America. We partner with startups and fast-growing companies to build high-impact digital products.\nOur culture is people-first, focused on technical quality, long-term relationships, and collaboration. We combine technical excellence with a close, human approach to how we work.\nSenior Frontend / UX Engineer - AI-Driven Full Stack | Contractor | LATAM\nGeneral Information\nLocation: Remote - Latin America\n Contract Type: Independent Contractor (full-time)\nIndustry / Project: Fintech - Digital Wallet for cross-border payments\nTime Zone: ART\n English Level: B2\nAbout the Role\nWe are looking for a Senior Frontend / UX Engineer to join a fast-growing U.S. fintech company that is simplifying cross-border payments and international money transfers, with a strong focus on the Latino community in the United States. You will help build its Digital Wallet, the product through which users manage and move their money.\nThis is a frontend-first role. Your main job will be to build excellent user experiences: turning product requirements and UX/UI designs into intuitive, scalable, production-ready wallet features. You will also use AI-powered development tools to extend your reach across the stack, including Backend for Frontend (BFF) services, API integrations, and supporting backend functionality, so you can deliver complete features on your own when needed.\nWe are looking for someone who goes beyond implementing screens. You should understand how users interact with financial products, spot opportunities to improve the experience, and balance user experience, technical quality, and delivery speed. Your work will directly affect how easily and confidently users send money to their families and manage their finances.\nResponsibilities\nDesign, develop, and maintain high-quality user interfaces for a Digital Wallet.\nTranslate UX/UI designs and product requirements into functional, intuitive, and responsive applications.\nCollaborate with product and design teams to improve user journeys, interactions, and overall usability.\nOwn features end to end, from initial requirements through implementation and delivery.\nUse AI-powered development tools to speed up frontend and full-stack development.\nBuild and maintain Backend for Frontend (BFF) services that support application requirements.\nImplement API integrations and supporting backend functionality when needed.\nEnsure consistency, performance, accessibility, and maintainability across the application.\nTake part in code reviews and help improve development practices.\nFind ways to simplify development workflows through AI-assisted engineering.\nRequirements\nMust-Have\nStrong hands-on experience with React, JavaScript, and TypeScript.\nSolid understanding of UX principles, usability, interaction design, and user-centered development.\nA proven track record of building polished, production-ready user interfaces.\nExperience turning Figma designs or equivalent UX/UI specifications into working applications.\nPractical experience with AI-assisted coding tools such as Cursor, Claude Code, GitHub Copilot, or similar.\nAbility to deliver complete features across frontend and backend boundaries.\nExperience with REST APIs, third-party integrations, and Backend for Frontend (BFF) architectures.\nStrong understanding of frontend architecture, reusable components, and state management.\nExperience working in Agile product development environments.\nStrong communication, problem-solving, and independent execution skills.\nComfort working hands-on with production code.\nNice-to-Have\nExperience building fintech applications, digital wallets, or payment platforms.\nExperience with React Native and cross-platform mobile development.\nFamiliarity with Node.js and modern backend frameworks.\nExperience building and maintaining design systems.\nKnowledge of authentication, authorization, and secure development for financial applications.\nExperience with AI-driven development workflows and agentic coding tools.\nUnderstanding of mobile-first design, accessibility, and frontend performance optimization.\nWhat We Offer (Contractor)\nContractor agreement with payment in USD.\n100% remote work in an international setting.\nAccess to Argentine public holidays.\nDirect involvement in modernizing core platform observability for a high-growth fintech ecosystem.\nProfessional development, learning platforms, and referral programs.\nExplore this and other opportunities at: 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