What we offerVacanciesSenior Front-End Developer

Senior Front-End Developer (React.js)

Senior Remote
Latin America, Brazil
Engineering, Software Development, React, TypeScript
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Required skills

React.js / expert
TypeScript / expert
Next.js / strong
GraphQL / strong
REST APIs / strong

Are you passionate about building high-performance, user-friendly web applications? We are looking for a Senior Front-End Developer with expertise in React.js to join our team and work on cutting-edge solutions for the travel and hospitality domain.

This role offers the opportunity to work with modern technologies and contribute to applications used by millions of customers worldwide. At Sigma Software, we value innovation, quality, and collaboration, and we provide an environment where your expertise will make a real impact.

Customer

Our client is a global leader in the hospitality and travel industry, operating some of the world’s most innovative cruise brands. The company delivers exceptional vacation experiences to millions of guests worldwide and is recognized for its cutting-edge solutions, award-winning service, and commitment to sustainability.

Project

The project involves developing and maintaining large-scale distributed systems for high-load, customer-facing environments. The team works on modern digital platforms, personalized guest experiences, mobile applications, and data-driven solutions

Requirements

  • 7+ years of experience in front-end development with React.js
  • Strong understanding of JavaScript (ES6+), TypeScript, Next.js, HTML5, and CSS3
  • Hands-on experience with GraphQL (Apollo Client or similar)
  • Familiarity with React Hooks, Context API, and Redux (Redux-Saga optional)
  • Experience with RESTful APIs and third-party integrations
  • Understanding of component-based architecture and state management
  • Knowledge of performance optimization and debugging techniques

WILL BE A PLUS:

  • Experience with CI/CD pipelines
  • Familiarity with cloud platforms (AWS, Azure, GCP)
  • Knowledge of automated testing frameworks
  • Understanding of accessibility standards in web development
  • Experience in travel or hospitality domain projects

Responsibilities

  • Develop and maintain scalable web applications using React.js and TypeScript
  • Build responsive, user-friendly, and reusable UI components following best practices
  • Integrate frontend applications with APIs and backend services
  • Collaborate closely with product, backend, and UX teams to clarify requirements and deliver solutions
  • Write clean, maintainable, and efficient code with strong testing and debugging practices
  • Troubleshoot and resolve issues across frontend applications and user flows
  • Participate in code reviews, knowledge sharing, and continuous improvement initiatives
  • Support estimations, problem-solving, and technical discussions in a fast-paced environment
Meet your team!

WHY US

  • Diversity of Domains & Businesses
  • Variety of technology
  • Health & Legal support
  • Active professional community
  • Continuous education and growing
  • Flexible schedule
  • Remote work
  • Outstanding offices (if you choose it)
  • Sports and community activities

REF4026J

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