Senior Front End Engineer

Hi there :)

Thanks for checking in to find out about our open position. We´ll provide as much information as possible, but please feel free to reach us if you have further questions. We´ll be happy to see your application, even if there are skills you don't quite master!

At South Geeks, we connect top LATAM talent with innovative global teams. For more than 8 years, we’ve built long-term partnerships grounded in technical excellence, cultural alignment, and genuine collaboration. We take care of the people who take care of our clients—supporting your growth every step of the way.

Our client is a pioneering biotechnology company using genomics, machine learning, and immune-system insights to transform how diseases are detected, monitored, and treated. Their platforms help researchers, clinicians, and healthcare organizations unlock life-changing data through secure, scalable, intuitive applications used across precision medicine.

We are seeking a Senior Frontend Engineer with deep experience in React, TypeScript, and modern UI engineering. You will build accessible, high-performance user interfaces, translate Figma designs into pixel-perfect components, and help shape a robust design system used across critical scientific and clinical applications. If you’re passionate about usability, accessibility, and clean architecture, this role offers a meaningful opportunity to contribute to products that directly impact patient care and research.

• Build and ship accessible, responsive user interfaces using React and TypeScript.

• Develop pixel-perfect components and pages based on Figma designs, including all UI states (loading, empty, errors).

• Integrate with REST and GraphQL APIs; manage data fetching with React Query or similar tools.

• Contribute to and maintain the design system, including components, design tokens, and documentation.

• Ensure strong performance and accessibility across browsers and devices.

• Write unit and E2E tests, participate in code reviews, and uphold frontend best practices.

• Collaborate with product managers, designers, and backend engineers to deliver high-quality, user-centric features.

• 5+ years of professional experience as a Frontend or Software Engineer.

• Expert-level knowledge of React, TypeScript, JavaScript, HTML, and CSS.

• Experience consuming REST/GraphQL APIs and managing async workflows with React Query or similar tools.

• Strong understanding of accessibility (WCAG), responsive layouts, and UI performance.

• Experience developing or contributing to a design system.

• Familiarity with modern testing frameworks (Jest, React Testing Library, Cypress).

• Ability to collaborate effectively in cross-functional product teams.

• Experience with Next.js (SSR/SSG).

• Familiarity with data visualization (Recharts, D3).

• Knowledge of build tools (Vite, Webpack) and monorepo setups (Nx, Turborepo).

• Experience with feature flags, analytics instrumentation, or experimentation frameworks.

We strive to create an inspiring and growth-oriented environment where everyone feels valued, heard, and empowered. We promote both personal and professional development, with individualized support for your needs and concerns. We aim to build a space where everyone can thrive.

• Long-term projects with innovative global clients.

• 100% remote work.

• Payment in USD.

• Paid Time Off (PTO).

• English lessons and technical training.

• Career coaching and mentorship.

• Work-from-home & training reimbursements.