TL;DR

Senior Frontend Developer (E-commerce): Designing, developing, and maintaining scalable front-end applications for an e-commerce platform in the pet industry with an accent on ReactJS, GraphQL, and performance optimization. Focus on implementing responsive user interfaces, collaborating with cross-functional teams, and ensuring application security and scalability.

Location: Remote from Europe (Bulgaria, Poland, Romania, Ukraine)

Company

Sigma Software is a leading online marketplace specializing in pet products, recognized for its extensive catalog and strong digital presence.

What you will do

  • Design, develop, and maintain scalable front-end applications using ReactJS and GraphQL.
  • Collaborate with UX/UI designers and backend developers to deliver high-quality features.
  • Implement responsive, user-friendly interfaces across devices and browsers.
  • Ensure application performance, security, and scalability.
  • Conduct code reviews and share best practices with the team.
  • Debug and efficiently resolve issues.

Requirements

  • 5+ years of professional front-end development experience using ReactJS.
  • Strong proficiency in JavaScript (ES6+), TypeScript, HTML5, CSS3.
  • Expert knowledge of ReactJS, React Hooks, Context API, and Redux.
  • Experience with Next.js, GraphQL (Apollo Client or similar), and RESTful APIs.
  • Familiarity with performance optimization and debugging techniques.
  • Upper-Intermediate level of spoken and written English.

Nice to have

  • Experience with Playwright or other automated testing frameworks.
  • Familiarity with CI/CD pipelines and DevOps practices.
  • Experience with Google Cloud Platform.

Culture & Benefits

  • Diversity of domains and technology.
  • Health & legal support.
  • Active professional community and continuous education.
  • Flexible schedule and remote work options.
  • Outstanding offices (optional) and sports/community activities.