Role Summary: The Senior Client Platform Engineer provides technical leadership across shared client platforms supporting High 5 Casino and Lucky Bits Vegas. This role is responsible for translating product requirements and design specifications into scalable, maintainable client-side implementations while ensuring architectural consistency, release stability, and cross-platform continuity across web and mobile environments. In addition to providing technical oversight, this role remains actively involved in hands-on development.

The engineer directly implements client-side features, enhances existing platform functionality, and contributes production code across multiple systems, including modern web platforms and legacy client applications. This hands-on involvement ensures that architectural decisions remain grounded in practical implementation while maintaining code quality and performance standards. The position plays a critical role in safeguarding authentication systems, monetization flows, and shared platform infrastructure that directly impact product stability, user experience, and revenue continuity.

Acting as a primary technical quality gate for client engineering output, the role ensures high standards for code maintainability, readability, and functional integrity across multiple codebases.

Key Responsibilities: Client Platform Development - Design and implement scalable client-side features that enhance product functionality, engagement, and retention.

- Translate product requirements and design specifications into maintainable and performant code.
- Maintain compatibility across web, Android, and iOS client environments.

Technical

Leadership & Code Quality - Conduct comprehensive code reviews serving as a primary quality gate for client engineering contributions.

- Ensure code consistency, readability, and adherence to architectural standards across shared platforms.
- Provide guidance and technical oversight to engineers integrating with shared infrastructure.

Platform

Architecture & System Continuity - Maintain architectural consistency across existing products including High 5 Casino, Sweepstakes, and WordPress-based systems.

- Preserve continuity between legacy platform implementations and current WordPress-based infrastructure.
- Identify cross-platform or cross-codebase risks prior to release. In-Game Store & Authentication System Oversight - Validate updates affecting monetization systems including coin store and sweepstakes flows.




- Oversee shared login and registration systems used across multiple products.
- Ensure stability and integrity of authentication and payment-related client integrations.

Release

Stability & Risk Management - Execute and manage code lock procedures to ensure release stability.

- Prepare release documentation supporting coordinated deployments.
- Identify and mitigate regression risks across shared codebases. Cross-Team Technical Support - Serve as a technical escalation point for architectural or integration questions.
- Support cross-functional teams integrating with shared platform components.
- Provide technical guidance across client, server, QA, analytics, and product teams.

Technical Skills: Programming Languages - JavaScript / TypeScript – Client-side feature development and platform integrations - PHP – WordPress platform customization and backend integrations.

- HTML5 / CSS3 / SCSS – Responsive UI implementation and cross-platform web compatibility - C++ (a plus) – Legacy client application support and maintenance Frontend Frameworks & Client Technologies - React.js – Modern client application architecture and component-based development - State Management – Zustand, Redux, Context API, or similar state management patterns - Web Build Tools – Webpack, Vite, Babel, npm/yarn package management - Responsive Web Development – Cross-platform compatibility for desktop and mobile web environments API Integration & Client-Server Communication - REST API integration – Client communication with server-side services - JSON-based APIs – Data serialization and API interaction - OAuth / Authentication Flows – Secure login and identity management integrations - WebSockets (a plus) – Real-time client-server communication where applicable Cloud & Platform Infrastructure - Google Cloud Platform (GCP) – Cloud-hosted services and infrastructure integration including Cloud Functions and Pub/Sub - Firebase – Authentication, Realtime DB, analytics, messaging,



and application monitoring - Cloud-based logging and diagnostics – Monitoring application stability and performance CMS & Web Platform Architecture - WordPress – Custom platform integrations and user authentication workflows - WordPress REST API – Headless and integrated client architectures - MySQL / relational database interaction through platform APIs Payments & Monetization Systems - Integration with third-party payment providers and financial services such as:
- PaymentIQ - Breeze - BVNK - Secure purchase flow handling and monetization system validation Version Control & Build Systems - Version Control Systems: Git, Bitbucket, Perforce - CI/CD Pipelines: Jenkins - Build & Dependency Management: Gradle, npm - Containerization: Docker - Release coordination and code lock procedures Monitoring, Logging & Debugging - Sentry – Client error monitoring and diagnostics - LogMX – Log analysis and troubleshootingFirebase monitoring tools – Crash reporting and application analytics - Google Tag Manager (GTM) – Tag management platform for deploying and managing analytics, marketing, and event tracking scripts without requiring direct code changes.

Development

Workflow & Collaboration - Agile project management tools: Jira, Confluence - Team communication: Slack - Documentation and collaboration: Google Drive Experience & Skills - Extensive experience in client-side engineering across web and mobile platforms, using contemporary and legacy technologies.

- Develop and maintain client applications using JavaScript, React.js, HTML5, CSS3, PHP, with C++ as a plus, supporting integrations across web, Android, and iOS environments.
- Strong debugging and performance optimization skills for web-based applications, including identifying and resolving client-side bugs, analyzing logs, and diagnosing performance issues using tools such as browser developer tools, Sentry, LogMX, and Firebase monitoring.
- Strong understanding of shared platform architecture and cross-codebase dependency management across multiple interconnected systems.
- Experience coordinating changes across repositories using Git, Bitbucket, and Perforce, integrating with REST APIs, shared authentication systems, and multi-product platforms.
- Experience supporting and evolving platforms built on React.js web applications, WordPress integrations, and cloud services such as Firebase and Google Cloud.
- Expertise in authentication systems, monetization flows, and in-game store functionality.
- Implement and validate secure login and purchase flows using OAuth-based authentication, Firebase Authentication, and REST APIs, integrating with payment platforms such as PaymentIQ, Breeze, and BVNK.

📌 Senior Client Platform Engineer (Canada)
🏢 High 5 Games
📍 Canada