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Full-stack Software Engineer (ShopBuilder)

Xsolla
Los Angeles, USA
Full-time
Mid Level
Onsite
Discovered 1 months ago

Full Job Posting

  • 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.
  • 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.
  • Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field.
  • Experience building platforms or tooling used across multiple frontend teams (design systems, template engines, configuration frameworks).
  • Experience with react-native/mobile experience.
  • Knowledge of performance optimization strategies for client-side and server-side rendering.
  • Understanding of accessibility, internationalization, and semantic UI design best practices.
  • Experience developing SDKs, CLI tools, or developer-facing automation.
  • Familiarity with event-driven UI flows, real-time interfaces, or edge-rendering strategies.
  • Background improving developer platforms, observability stacks, or performance monitoring systems.
  • Comfort with UI-as-data approaches and leveraging AI-assisted/no-code tooling to accelerate feature delivery.

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