Senior React Native Engineer: Lead High-Impact UI

Sony Interactive Entertainment Inc.; Southwestern Ontario; On-site; CAD 142,000 - 213,000; Full time

Job summary

Sony Interactive Entertainment invites a Senior Software Engineer / Software Developer (React Native) to help build high‑performance mobile frontends. You will define architecture, collaborate with product and design, and mentor teams across frontend engineering.

This is an on‑site role in Ontario, Canada, with a focus on scalable, accessible interfaces and performance. You will work closely with native Android/iOS engineers, contribute to architectural decisions, and drive best practices while

Qualifications

• BS/MS in Computer Science or equivalent.
• Expertise in native Android (Kotlin/Java/Gradle) and shipping applications to Google Play.
• Strong frontend performance profiling, optimization, and debugging.
• Proven track record delivering production-quality mobile or desktop apps with React Native.
• Experience designing scalable frontend architectures and reusable UI frameworks.

Responsibilities

• Drive performance optimizations for rendering, startup time, and UI responsiveness.
• Design and integrate custom native modules (Native Android or Native iOS) and optimize cross-platform interoperability.
• Partner with product managers, designers, and researchers to translate user experience requirements into elegant, maintainable solutions.
• Establish coding standards, testing strategies, and development patterns that raise the quality bar for frontend engineering.
• Mentor engineers and act as a multiplier for frontend development expertise across the broader team.
• Investigate new frontend technologies, frameworks, and performance techniques, and guide their adoption when appropriate.
• Represent frontend/OS needs in technical and architectural discussions.

Skills

React Native

Frontend performance

Cross-platform

Mentoring

Education

BS/MS in Computer Science or equivalent

Tools

Kotlin

Java

Gradle

Job description

Sony Interactive Entertainment invites a Senior Software Engineer / Software Developer (React Native) to help build high‑performance mobile frontends. You will define architecture, collaborate with product and design, and mentor teams across frontend engineering.

This is an on‑site role in Ontario, Canada, with a focus on scalable, accessible interfaces and performance. You will work closely with native Android/iOS engineers, contribute to architectural decisions, and drive best practices while