Senior Frontend Engineer focusing on React.js and React Native to develop web and mobile applications at Umpisa Inc. Drive frontend architecture, mentor engineers, and collaborate with cross - functional teams.
About the role
- Senior Frontend Engineer at Xsolla, creating scalable web interfaces with React and TypeScript. Collaborating with cross-functional teams to enhance gaming commerce solutions.
Responsibilities
- Design, develop, and maintain modern, scalable, and responsive web interfaces using React and TypeScript.
- Translate product designs and user stories into high-quality, functional UI components.
- Optimize performance for speed and scalability across browsers and devices.
- Refactor legacy code to align with current best practices and architectural patterns.
- Write clean, maintainable, and testable code using modern frontend tooling.
- Implement effective state management strategies and integrate with REST/GraphQL APIs.
- Participate in and lead frontend design reviews and architecture discussions.
- Collaborate closely with product managers, designers, and backend engineers to deliver features end-to-end.
- Contribute to planning, estimation, and delivery tracking of new features and technical improvements.
- Identify and resolve performance bottlenecks, UI bugs, and UX inconsistencies.
- Mentor peers, provide constructive code reviews, and foster a culture of continuous improvement.
Requirements
- 6+ years of professional experience in software development.
- 4+ years of hands-on experience with React (and ideally TypeScript).
- Deep knowledge of JavaScript/ES6+, HTML5, CSS3, and Web APIs.
- Experience with responsive design systems and CSS-in-JS (e.g., Tailwind).
- Familiarity with REST/GraphQL APIs, WebSockets, and real-time data handling.
- Comfortable working with Git, CI/CD pipelines, and agile collaboration tools.
- Exposure to testing frameworks such as Jest or Cypress.
Benefits
- Xsolla takes your privacy seriously and will not sell or externally distribute any personal data received during the hiring process.
- Explore more opportunities at: https://xsolla.com/careers
Job title
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