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Senior Front-End Engineer at Darwoft. Location Information: LATAM. Senior Front-End Engineer (React.js) · LATAM. . . . Location:. Anywhere in LATAM. . . . Job Type:. Remote (Contractor). . . . Project:. Life Sciences / Healthtech AI. . . . Time Zone:. Preference for overlap with EST. . . . English Level:. B2 / C1. . . . Get to Know Us. . At Darwoft, we create software that drives real change. But were more than just tech were people first. We believe in building human-centered digital experiences and having fun while we do it. Our team is curious, passionate, and always growing. Based in Latin America, weve been partnering with companies worldwide to develop innovative solutions with heart and purpose.. . We work remotely, collaboratively, and with a strong sense of community always embracing a culture of continuous learning, good vibes, and real impact.. . About the Role. . 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 Doing. . . . Architect, 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 workflows. . . . Create intuitive, performant user interfaces that make complex AI capabilities accessible to life sciences professionals. . . . Own critical user-facing features end-to-end, from concept to production. . . . Collaborate closely with product managers, designers, and engineers to deliver customer-focused solutions. . . . Optimize applications for . high-performance data visualizations and AI-powered interactions. . . . Define and promote front-end best practices, coding standards, and reusable patterns. . . . Mentor junior engineers and foster a culture of technical excellence. . . . Troubleshoot complex issues across the stack and support production systems. . . . Continuously improve the user experience through . data-driven decisions. . . . What You Bring. . . . 5+ 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.js. . . . Proven experience with . front-end architecture. and scalable design patterns. . . . A passion for crafting . exceptional user experiences. with a solid understanding of UX/UI principles. . . . Strong communication skills, comfortable engaging with both technical and non-technical stakeholders. . . . Ability to thrive in a collaborative environment while working independently when needed. . . . A mindset of . curiosity, adaptability, and continuous learning. . . . Nice to Have. . . . Experience migrating . Vue.js applications to React.js. . . . Knowledge of . Web Components. and . Design System. development. . . . Familiarity with . GCP technologies. (Cloud Run, API Gateway, BigQuery, etc.) in production environments. . . . Hands-on experience with . async operations, modular development, dependency injection. . . . Startup environment experience and proactive ownership of solutions. . . . What Darwoft Offers (Contractor). . . . Contractor agreement with payment in USD. . . . 100% remote work. . . . Argentinas public holidays. . . . English classes. . . . Referral program. . . . Access to learning platforms. . . . Explore this and other opportunities at:. . www.darwoft.com/careers