Senior Frontend Software Developer at Xsolla (USA), Inc. – Canada | Jobyssey

You will join a team responsible for building the platform powering all user-facing experiences at Xsolla. You'll collaborate with local and international teams, focusing on user-centric software that elevates the digital experience for a global audience. You'll contribute to building high-performance frontend solutions used by game developers worldwide, working on complex technical initiatives while supporting predictable, reliable delivery.

Responsibilities

Collaborate with product managers, designers, and backend engineers to translate complex requirements into intuitive user experiences.
Design, build, and evolve scalable, high-performance frontend web applications.
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 including 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 standards.
Contribute to modernization, refactoring, and continuous performance improvements.
Contribute and enforce engineering best practices across coding, documentation, testing, and review processes.
Ensure strong automated test coverage and reliable CI/CD workflows.
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

At least 2+ years of experience holding a senior frontend development title.
7+ years of frontend software development experience with strong expertise in modern frontend frameworks at scale.
Experience building or leading frontend development for e-commerce, gaming, or monetization platforms.
Extensive experience with TypeScript, React, Redux or modern state management libraries.
Experience with module federation, component architecture, performance optimizations, accessibility, RSC, and SSR patterns.
Strong expertise in modern CSS frameworks and UX/UI design systems and principles.
Solid understanding of microservices architecture and RESTful or RPC-style API integration patterns.
Proficiency with Node.js and MongoDB for server-side functionality.
Experience with automated testing frameworks such as Vitest or Jest and end-to-end testing with Playwright or Cypress.
Good understanding of bundling and compilation tools such as webpack, rollup, vite, and esbuild.
Experience with CI/CD workflows, private registries, and secure artifact handling.
Proven ability to influence technical decisions and drive change; leadership experience is a plus.
Excellent interpersonal and communication skills for effective cross-functional collaboration.
Commitment to writing high-quality code and continuously improving projects.
Strong understanding of development best practices, design patterns, testing methodologies, and agile development.
Bachelor's or Master's degree in Computer Science, Engineering, or a related field.
Strong written and verbal English communication skills.

Benefits

Medical, dental, and vision coverage
PTO
Personalized career roadmap
Professional development through training and educational opportunities

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