Senior Frontend Software Developer

Xsolla • Montreal, QC

60d

About The Position

Xsolla is looking for a Senior Frontend Software Developer to join a team responsible for building the platform powering all user-facing experiences. This role offers a unique opportunity to collaborate with both local and international teams, focusing on user-centric software that elevates the digital experience for Xsolla’s global audience. In this role you will have the opportunity to contribute in building high-performance frontend solutions used by game developers worldwide. This position requires strong frontend and e-commerce experience, the ability to work on complex technical initiatives, and the capability to support predictable, reliable delivery.

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.
• 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 APIs integration and patterns.
• Proficiency with Node.js and MongoDB for server-side functionality.
• Experience with automated testing frameworks (Vitest/Jest) and end-to-end testing (Playwright/Cypress).Good understanding of bundling and compilation (e.g., webpack, rollup, vite, esbuild)Experience with CI/CD workflows (GitLab CI or similar), private registries, and secure artifact handling.
• Proven ability to influence technical decisions and drive change. Experience in a leadership role is a plus.
• Excellent interpersonal and communication skills facilitating effective collaboration with a cross functional team.
• Committed to writing high-quality code and continuously improving projects.
• Strong understanding of development best practices, including design patterns, testing methodologies, and an agile development process.
• Passionate about software development with a track record of continuous growth.
• Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field.

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 such as 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 the modernization, refactoring, and continuous performance improvements 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.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level