Or Grunebaum
Senior Software Engineer - Tim Hortons @Restaurant Brands International
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WORK HISTORY
Senior Software Engineer - Tim Hortons @Restaurant Brands International
Toronto, ON, CA
Led a 13-person team to modernize the Tim Hortons app (React Native/Typescript) and Website (React/Typescript) code-base - rewriting core architecture, adding new features, and boosting performance for 4.3 million annual users.• Introduced Datadog-based and Launch Darkly feature flags to manage real-time bug tracking in addition to a “Shield” on-call rotation program cutting major bugs and outages by 55%.• Partnered with Marketing, Finance, and CRM teams to design and launch a new app-based loyalty rewards program, backed by BI dashboards that linked feature adoption to revenue targets.• Deployed sophisticated user tracking and deep linking solutions using Singular and Branch, enabling precise campaign attribution, retention analysis, and funnel optimization.• Managed the technical execution of national promotions, including the 2024 and 2025 “Roll Up the Rim” campaigns, Smile Cookie and Tim Hortons’ 60-year celebrations, ensuring seamless web and in-app support, reduced errors and scalability.• Established CI/CD deployment pipelines using GitHub Actions, Expo, and EAS, streamlining full-cycle releases, app store submissions, and internal training.• Rapid Prototyping & Strategic Validation: Selected by Tech Lead to rapidly prototype and validate technical viability of strategic business initiatives, providing essential feedback to drive informed product decisions.• Led agile teams, overseeing Jira boards and Confluence to ensure consistently timely project delivery.
EDUCATION
Udacity
Computer Science
University of Crete
Computer Science - Human Computer Interface Course
York University
Bachelor of Arts - BA, Hons. International Development
Technion - Israel Institute of Technology
Certification, Entrepreneurship/Entrepreneurial Studies
York University - Osgoode Hall Law School
Intellectual Property Law Course
York University
Bachelor of Engineering (B.Eng.), Hons. Computer Engineering
SKILLS
ABOUT OR GRUNEBAUM
I’m a hands-on Senior Product Engineer (frontend-focused) and Manager who turns ambitious ideas into polished web and mobile experiences enjoyed by 5 million people every year, with peaks of 2 million daily. My sweet spot is React/React Native front-ends paired with TypeScript APIs on AWS and Azure, safeguarded by feature flags and data telemetry so teams can ship every week with confidence. By coaching engineers and fortifying CI/CD, I’ve propelled national campaigns, accelerated release cadence, and cut production incidents by 55 % for Tim Hortons, and whether modernizing a quick-service app, rebuilding a geoscience SaaS portal, or spearheading AI-driven cybersecurity tools for a Big-4 consultancy, I help brands across retail, QSR, enterprise software, and defence launch revenue-moving products at startup speed.
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