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We support enterprises, product houses, and startups with custom software solutions development and IT consulting.
Senior Front-End Developer
Location
Ukraine
Posted
153 days ago
Salary
0
Seniority
Senior
Job Description
Senior Front-End Developer
Sigma Software Group
• 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 resolve issues efficiently • Contribute to continuous improvement of development processes and tools
Job 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 (Redux-Saga optional)
- Experience with Next.js and GraphQL (Apollo Client or similar)
- Experience with RESTful APIs and third-party integrations
- Familiarity with performance optimization and debugging techniques
- Knowledge of component-based architecture and state management patterns
- Upper-Intermediate level of spoken and written English
- Experience with Playwright or other automated testing frameworks (will be a plus)
- Familiarity with CI/CD pipelines and DevOps practices (will be a plus)
- Experience with Google Cloud Platform (will be a plus)
Benefits
- Flexible work arrangements
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