Senior Frontend Engineer leading the development of complex React applications at Guidewire. Collaborating with teams and ensuring high - performance user experience.
About the role
- Intermediate/Senior Frontend Developer at Xsolla. Build high-performance web applications for game developers with React and Node.js.
Responsibilities
- Build and evolve scalable, high-performance web applications using React and Node.js
- Collaborate with product managers, designers, and backend engineers to translate complex requirements into intuitive user experiences.
- Participate in code reviews, share best practices, and help maintain high engineering standards within the frontend team. Work closely with DevOps to streamline CI/CD pipelines, improve deployment reliability, and enhance observability through metrics and monitoring tools.
- Own features end-to-end — requirement refinement, implementation, testing, and delivery. Optimize frontend performance, focusing on loading times, rendering speed, and bundle efficiency.
- Ensure cross-browser and multi-device compatibility while meeting accessibility (a11y) and usability standards.
- Contribute to modernization, refactoring, and performance enhancements to keep the platform scalable, maintainable, and aligned with product goals.
- Contribute and enforce engineering best practices across coding, documentation, testing, and review processes.
- Ensure strong automated test coverage and reliable CI/CD workflows that reduce manual effort and improve delivery predictability.
- Own operational excellence, including incident response, root-cause analysis, and long-term reliability improvements.
- Advocate for scalability, performance, security, and observability across the platform’s architecture and tooling.
- Identify technical risks, estimate complexity, and communicate trade-offs to leadership and stakeholders.
Requirements
- 4+ years of software development experience with strong expertise in modern frontend engineering at scale.
- Deep hands-on knowledge of React including component architecture, SSR patterns, RSC, and complex UI data flows. Proficiency with Node.js and MongoDB for server-side functionality.
- Strong understanding of modern styling systems and theming approaches (vanilla-extract, styled-components, design tokens).
- Solid TypeScript practices, including strict typing, shared contracts, and schema validation (Zod or equivalent).
- Experience with Module Federation.
- Good understanding of bundling and compilation, experience with webpack/rollup/vite/esbuild
- Experience with automated testing frameworks (Vitest/Jest) and end-to-end testing (Playwright/Cypress).
- Good understanding of backend integration patterns (REST, GraphQL, RPC-style APIs).
- Experience with CI/CD workflows (GitLab CI or similar), private registries, and secure artifact handling.
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