Senior Frontend Engineer (React)

Summary

Join Celara as a Senior React Engineer and contribute to the development of cutting-edge AI-powered tools. You will play a key role in architecting and building advanced front-end applications, collaborating with product and back-end teams to deliver intuitive user experiences. This role requires extensive experience with React, related technologies, and a deep understanding of front-end development best practices. The position offers a primarily remote work environment with flexible hours and opportunities for professional development. You will work with a world-class team on impactful AI solutions and receive competitive compensation.

Requirements

• 5+ years of experience in front-end development, with a strong focus on React
• Expertise in HTML, CSS, JavaScript, and TypeScript
• Proven experience architecting scalable, high-performance front-end applications
• Deep understanding of modern front-end build pipelines and tools
• Familiarity with RESTful APIs and back-end integration
• Experience working in a fast-paced startup environment, delivering under tight deadlines
• Solid grasp of accessibility standards and web performance optimization
• Advanced proficiency in English (both written and spoken)

Responsibilities

• Lead the design and development of scalable, high-performance front-end applications
• Build and optimize real-time frontend features that consume streaming API endpoints
• Architect intuitive and robust user interfaces, ensuring seamless user experiences
• Collaborate with back-end teams to define application architecture, interfaces, and integration points
• Work closely with product teams to translate high-level requirements into detailed front-end designs and user experiences
• Define and refine UX strategies, ensuring alignment with project goals and user needs
• Optimize applications for performance, accessibility, and compatibility
• Provide technical guidance, mentor junior developers, and contribute to project planning

Preferred Qualifications

• Expertise in the React Context API, React Hooks, and TypeScript, as well as modern CSS frameworks such as Tailwind CSS and Material-UI
• Experience working with streaming protocols like WebSocket or SSE, and a strong understanding of best practices
• Familiarity with automated testing frameworks such as Playwright, Jest, Cypress, and others
• Proven ability to work directly with product teams to define and implement user-centric designs
• Strong skills in translating high-level requirements into detailed front-end designs and UX workflows

Benefits

• Work with a world-class team on cutting-edge AI solutions
• A primarily remote role with a flexible work environment, with occasional visits to our Buenos Aires office (a few times per month) for in-person collaboration
• Competitive compensation aligned with your experience and skills
• Continuous opportunities for learning, growth, and professional development