The Notification Hub and Experience team is a product-focused engineering team responsible for one of the company’s most scalable growth levers. The Notification Hub is the home of comms personalized to you, where every notification a customer has ever gotten lives on, browsable and actionable, so a missed push never means a missed deal. We operate at a massive scale, and we are transitioning from a campaign-centric mode to a fully personalized experience that treats notifications as a sequential, over-time experience with continuously learning from user behavior. We are looking for a Staff Backend Engineer to join our team. As a Staff Engineer, you are a technical leader and trusted advisor — you set the engineering excellence bar, own ambiguous cross-functional problems, and shape the roadmap for your domain. You will be the technical visionary leading our transition into high-level autonomy. You will drive the architecture and strategy for our notification experience at massive scale, while making every notification smarter, more timely, and more relevant for millions of customers. This role requires a deep understanding of distributed systems, AI fluency, and a product-minded approach to technical leadership. You will be responsible for building a system that balances immediate conversion value against long-term reachability costs. Technical Leadership & Architecture Define and own the multi-quarter technical strategy for notification hub and experience team. Make high-quality architectural decisions across relevance, latency, and system complexity Raise the engineering excellence bar for the Notification Hub & Experience team and consistently identify and drive areas for improvement.



Partner with cross functional teams to integrate intelligence and evolve the system over time Build and ship notification system at massive scale with smart and personalized experience Stay current with emerging AI tools, models, and harness, and bring them into the team where they create leverage Help define whole system architecture and experimentation approaches for personalized notification system Translate product goals into clear technical approaches and measurable outcomes Own the impact of your work, including engagement and user experience metrics Demonstrate product thinking alongside technical depth. PMs and EMs should view you as a co-owner of the Notifications domain, not just the technical executor. Partner with product, design, data science, and infrastructure teams to shape strategy and resolve ambiguous, high-stakes technical decisions. Lead project coordination across engineers and multiple workstreams simultaneously; Collaborate with Product, Design, and Marketing to help align notification strategies across different surfaces and use cases Eliminate single points of failure, including yourself through proactive documentation, knowledge transfer, and building durable systems and processes. take accountability for their technical development. Act as a force multiplier by uplifting the team’s technical skill set in AI fluency and high-scale backend engineering. Raise the technical bar for the team. Champion observability, operational hygiene,



and developer productivity improvements across the team. 7+ years of backend engineering experience with clear, demonstrated Staff-level impact
- you have driven large, ambiguous, cross-functional projects with org-wide or company-wide outcomes. Robust proficiency in one or more backend languages (Go, Java, Python, C++, Kotlin or similar). Ability to operate at multiple altitudes: from long-horizon technical strategy down to precise system design, without losing sight of the business outcome. You are AI-Fluent and have deep experience applying AI in the software development Experience building notification, messaging, or communications platforms at scale. Proven background integrating ML/AI systems in production
- model serving, feature pipelines, real-time inference, or experimentation infrastructure. Notice to Applicants for Jobs Located in NYC or Remote Jobs Associated With Office in NYC Only In addition to base salary, the compensation for this role includes opportunities for equity grants. DoorDash cares about you and your overall well-being. That's why

we offer
a comprehensive benefits package for all regular employees, that includes paid time off, paid parental leave, wellness benefit and several paid holidays. Additionally, for full-time employees, DoorDash offers medical, dental, and vision benefits, disability and basic life insurance, an RRSP including an employer match, and a mental health program, among others. 185,000-$231,500 CAD At DoorDash, our mission to empower local economies shapes how our team members move quickly, learn, and reiterate in order to make impactful decisions that display empathy for our range of users
- Dashers to merchant partners to consumers. We are a technology and lo

📌 Staff Software Engineer, Notification Hub (Toronto)
🏢 DoorDash USA
📍 Toronto