Back to jobs
New

Senior React.Js Developer

Argentina

Santex is a US-based global company founded in 1999, with 25 years of experience in the software industry. Headquartered in California with offices in Córdoba, Argentina, its talent network spans over 18 countries thanks to its flexible, remote-first culture. Santex specializes in custom enterprise software development, operating through Hubs that include eCommerce, BIM, Mobility, Content Delivery, Integration, Web & Mobile Development, Cloud Computing, Artificial Intelligence (AI), Data Science, IT Consulting, and Services. The company is committed to making a positive impact across three dimensions: economic, social, and environmental.

Job Description: We are looking for a highly skilled Senior React.js Developer to join our growing engineering team. In this role, you will lead the development of scalable, high-performance web applications using React.js and related technologies. You’ll collaborate closely with designers, product managers, and backend engineers to deliver user-centric solutions that are robust, elegant, and maintainable.

Responsibilities

  • Develop and maintain advanced front-end applications using React.js and TypeScript.
  • Architect scalable and maintainable UI components and systems.
  • Optimize applications for maximum speed and scalability.
  • Collaborate with cross-functional teams (UI/UX, product, backend) to deliver features from concept to production.
  • Conduct code reviews, mentor junior developers, and contribute to team best practices.
  • Stay up to date with emerging trends and technologies in frontend development.
  • Participate in technical planning, estimation, and decision-making processes.

Requirements:

  • 5+ years of experience in front-end development, with at least 3 years using React.js.
  • Strong proficiency in JavaScript (ES6+) and TypeScript.
  • Deep understanding of React hooks, context, and component lifecycles.
  • Experience with state management libraries (e.g., Redux, Zustand, Recoil, or similar).
  • Proficient in HTML5, CSS3, and responsive design techniques.
  • Familiarity with RESTful APIs and integration with backend services.
  • Experience with build tools and bundlers like Webpack, Vite, or Rollup.
  • Strong debugging, performance tuning, and testing skills (unit, integration, e2e).
  • Fluent in English, both written and verbal.

Nice to Have

  • Experience with Next.js, React Server Components, or SSR/SSG strategies.
  • Familiarity with modern CI/CD pipelines and DevOps practices.
  • Experience with testing libraries like Jest, React Testing Library, or Cypress.
  • Knowledge of accessibility (a11y) and web standards compliance.
  • Previous experience working in an Agile or Scrum environment.

Location

  • Candidates must be based in Argentina or Peru.

Create a Job Alert

Interested in building your career at Santex? Get future opportunities sent straight to your email.

Apply for this job

*

indicates a required field

Resume/CV*

Accepted file types: pdf, doc, docx, txt, rtf

Select...
Select...
Select...