Software Development Engineer – Amazon – Toronto, ON
Location: Toronto, ON | Company: Amazon
Amazon’s Demand Tech team is looking for a skilled Software Development Engineer to join the Reach Planning Engineering team in Toronto, Ontario. This role puts you at the heart of Amazon’s advertising ecosystem, where you’ll help build the next generation of ad technology that empowers brands and agencies to plan smarter, more effective campaigns.
Working across a full-service, full-stack advertising platform, you’ll design and develop scalable APIs and AI-powered agents that bring Amazon’s unique data signals to bear on media planning and campaign strategy. If you’re drawn to solving complex engineering challenges at massive scale, this is the kind of role where your work has real, measurable impact.
About the Role: Software Development Engineer, Demand Tech
As part of the Reach Planning Engineering team, your day-to-day will involve close collaboration with data scientists, product managers, and cross-functional partners to define and build new API features that improve media planning capabilities. You’ll write production-quality code, lead design discussions, and conduct meaningful code reviews — all while owning the operational health of the systems you build.
You’ll also take on the challenge of developing GenAI-powered solutions and intelligent AI agents that analyse system performance, optimize algorithms, and enhance the effectiveness of advertiser campaigns. This is a role that balances technical depth with cross-team collaboration, requiring you to translate business needs into reliable, high-performing technical solutions.
Benefits and Salary
The base salary for this Software Development Engineer position in Toronto ranges from $114,800 to $191,800 CAD annually. Total compensation may also include sign-on payments and Restricted Stock Units (RSUs). Amazon offers a comprehensive benefits package including health insurance (medical, dental, vision, prescription, basic life and AD&D), a Registered Retirement Savings Plan (RRSP), a Deferred Profit Sharing Plan (DPSP), paid time off, and additional resources to support health and well-being.
Job Details
🏢 Company: Amazon (Amazon Development Centre Canada ULC)
📍 Location: Toronto, ON
🆔 Job ID: 10512710
💰 Pay: $114,800 – $191,800 CAD annually
Responsibilities
In this role, you’ll own significant portions of Amazon’s advertising platform infrastructure, contributing to both day-to-day operations and longer-term architectural direction. Your contributions will directly shape how advertisers plan and measure their campaigns at scale across Amazon’s ad ecosystem.
- Design and implement scalable, high-performance systems that power Amazon’s advertising platform, ensuring robust functionality and an optimal user experience
- Lead code reviews and actively participate in the full software development lifecycle — including scoping, design, implementation, testing, deployment, and maintenance
- Own operational excellence for your systems by proactively identifying root causes of issues and delivering permanent, reliability-improving solutions
- Collaborate closely with stakeholders across Amazon to understand business needs and translate requirements into technical solutions that enhance campaign effectiveness for advertisers
- Develop APIs and AI-powered agents that leverage Amazon’s unique signals to optimize ad planning and delivery, contributing to the growth of the advertising business
- Analyze system performance and optimize algorithms throughout the day, working alongside data scientists and product managers to define requirements for new features
Requirements / Skills
Amazon is looking for an engineer with solid hands-on software development experience and a strong foundation in system design and architecture. Candidates who thrive in fast-moving, collaborative environments and enjoy working at the intersection of technology and business impact will be well-suited for this team.
- 3+ years of non-internship professional software development experience
- 1+ year of experience in system design or architecture, including design patterns, reliability, and scaling of new and existing systems
- Proficiency in at least one programming language
- 3+ years of experience across the full software development lifecycle — coding standards, code reviews, source control, build processes, testing, and operations (preferred)
- Bachelor’s degree in computer science or equivalent (preferred)
- Experience working with GenAI-powered development tools and agentic AI assistants such as code generation, AI-assisted debugging, automated testing, and documentation tools (preferred)
How to Apply
To apply for this Software Development Engineer position at Amazon in Toronto, use the official link below. Make sure your resume is up to date and reflects your relevant engineering experience before submitting.
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Job Summary & Tips for Applying
Quick Summary & What to Highlight: This Software Development Engineer role at Amazon in Toronto is perfect for candidates who excel in scalable system design, full-stack development, and API engineering. On your resume, emphasize any experience with advertising technology, AI/ML systems, or large-scale distributed platforms, attention to detail, and your ability to work in a fast-paced environment. If you’ve previously worked in ad tech, cloud-based platforms, or GenAI-powered tooling, make sure to highlight specific achievements and responsibilities that align with this position.
Resume & Application Tips: Before applying, tailor your resume to match the job description. Include keywords like scalable systems, API development, and software development lifecycle that appear in the posting. Quantify your achievements where possible (e.g., “reduced API latency by 30%” or “led design review for a system serving 10M+ requests daily”). Write a brief cover letter expressing your genuine interest in Amazon‘s advertising platform and why you’re excited about this opportunity in Toronto. Double-check your application for spelling errors and ensure your contact information is current.
Interview Preparation: If selected for an interview, research Amazon‘s Leadership Principles, recent news in its advertising business, and the company’s engineering culture beforehand. Prepare specific examples using the STAR method (Situation, Task, Action, Result) to demonstrate your system design and coding skills. Common questions may include scenarios about debugging complex systems, architectural trade-offs, and cross-team collaboration. Dress appropriately for a tech industry environment, arrive 10–15 minutes early (or log in early for virtual rounds), and bring copies of your resume. Prepare thoughtful questions about the Reach Planning Engineering team, tech stack, and growth opportunities. After the interview, send a thank-you email within 24 hours reiterating your interest in the position.
