Senior Software Engineer (React Native)

Location: Montreal Workplace: remote ABOUT YOU   We are looking for a Senior Software Engineer (React Native) who is architecturally strong, quality-driven, and highly collaborative to join our Mobile Engineering team. The best candidate will be someone who thrives in a fast-paced, highly collaborative, and exceptionally dynamic setting and is excited to lead mobile architecture decisions, build scalable cross-platform applications, and drive shared code strategies across web and mobile ecosystems.   Strong expertise in React Native and JavaScript/TypeScript, along with deep knowledge of mobile architecture patterns and state management, is essential, along with experience in building and delivering commercial mobile applications from concept to launch. The ability to design scalable architectures, implement robust testing strategies (including E2E), optimize performance, and mentor other developers while collaborating across cross-functional teams will be key to your success in this role.   If you're passionate about building high-quality mobile experiences that scale and love creating seamless app ecosystems that power gaming, virtual currency, and digital commerce experiences, we would love to hear from you!   ABOUT US   Xsolla is a global commerce company with robust tools and services to help developers solve the inherent challenges of the video game industry. From indie to AAA, companies partner with Xsolla to help them fund, distribute, market, and monetize their games. Grounded in the belief in the future of video games, Xsolla is resolute in the mission to bring opportunities together, and continually make new resources available to creators. Headquartered and incorporated in Los Angeles, California, Xsolla operates as the merchant of record and has helped over 1,500+ game developers to reach more players and grow their businesses around the world. With more paths to profits and ways to win, developers have all the things needed to enjoy the game. For more information, visit xsolla.com. Responsibilities: Develop and maintain mobile applications using React Native for iOS and Android platforms Implement best practices for mobile development, including code review, testing strategies, and CI/CD processes Build scalable and maintainable features within the existing application architecture Collaborate with product and design teams to implement technical solutions that meet business goals Integrate mini-apps and virtual currency systems with the Xsolla App ecosystem Work with cross-functional teams, including developers, QA engineers, and project managers Participate in technical discussions to align development work with business objectives Communicate effectively across distributed teams Deliver high-quality features on time throughout the development lifecycle Architecture & Design Design and implement scalable application architecture for React Native mobile apps with a focus on maintainability, performance, and developer experience Lead architectural decisions around shared code strategies between React web and React Native mobile platforms Establish and enforce coding standards, design patterns, and best practices across the mobile development team Create technical specifications and architecture documentation for complex features and systems Monorepo Management Build and maintain a robust monorepo infrastructure using tools like Nx, Turborepo, or similar Configure and optimize build pipelines, dependency management, and workspace configurations Implement efficient caching strategies and incremental builds to optimize CI/CD performance Manage versioning, publishing, and dependency relationships between packages Component Ecosystem & Code Sharing Design and develop a comprehensive shared component library that works seamlessly across React and React Native Create platform-agnostic business logic, utilities, and services that can be consumed by both web and mobile Implement adaptive components with platform-specific implementations where necessary while maintaining a unified API Establish patterns for sharing type definitions, hooks, contexts, and state management across platforms Build tooling and documentation to enable other developers to easily leverage shared code Development & Delivery Build high-quality, production-ready mobile applications using React Native for iOS and Android Implement pixel-perfect, responsive UIs that align with design specifications Optimize app performance, bundle size, and startup time Integrate native modules when React Native APIs are insufficient End-to-End Testing & Quality Assurance Design and implement comprehensive E2E testing strategies for React Native applications using tools like Detox, Maestro, or Appium Create reliable, maintainable test suites that run consistently across iOS and Android platforms Establish testing patterns and utilities that can be shared across multiple apps in the monorepo Configure E2E tests to run in CI/CD pipelines with proper device/simulator management Build test infrastructure for critical user flows, edge cases, and platform-specific behaviors Implement visual regression testing and snapshot testing where appropriate Define testing standards and best practices for the team, including when to use unit, integration, and E2E tests Collaboration & Mentorship Collaborate with web developers to identify opportunities for code sharing and architectural alignment Mentor junior and mid-level developers on React Native best practices and monorepo patterns Conduct thorough code reviews with focus on architecture, patterns, and maintainability Work closely with product, design, and backend teams to deliver cohesive user experiences Qualifications & Skills: 5+ years of experience in mobile application development with a strong focus on React Native Proven track record of delivering commercial mobile applications from concept to launch Proficiency in React Native and JavaScript/TypeScript, with knowledge of native modules (Swift/Kotlin) as a plus Strong understanding of mobile architecture patterns and state management Experience with third-party integrations and APIs Strong problem-solving abilities and a results-driven approach Effective communication skills, both written and verbal Familiarity with gaming ecosystems and virtual currency platforms is a plus Bachelor's degree in Computer Science, Engineering, or a related field (or equivalent experience) Benefits:We are passionate about fostering a supportive environment for our team, so we prioritize the physical, mental, and emotional well-being of our employees and their families through a comprehensive Benefits Program. This includes medical, dental, and vision, PTO, and a personalized career roadmap for each employee. By investing in professional development through training and educational opportunities, we ensure that our team thrives both personally and professionally. Together, we’re not just building a business; we’re cultivating a community that values creativity, collaboration, and the transformative power of play.    Equal Employment Opportunity Statement: Xsolla is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. We do not discriminate based on race, color, religion, sex, national origin, age, disability, sexual orientation, gender identity, or any other characteristic protected by law. We consider qualified applicants with criminal histories in accordance with the Fair Chance Act.   Criminal History Consideration: For the Senior Software Engineer(React Native), we will conduct a background check that may include the following. Criminal history check. Employment verification. Education verification.   Relevance to job Responsibilities: The background check is relevant to this position because of the following role responsibilities: Accessing confidential company data Ensuring compliance with regulatory requirements Handling sensitive financial information/ managing budgets /accessing funds