Design robust backend systems at Index Exchange in Toronto, using Golang, Java, or C# for programmatic advertising at scale.
This senior software engineering role supports product and platform teams in Toronto and Kitchener. You may work across backend, frontend, or fullstack engineering. Your work will help maintain systems processing hundreds of billions of real-time transactions daily while improving partner interaction with the exchange.
Key Responsibilities: Design, write, and test reliable software
Build systems handling hundreds of billions of daily transactions
Collaborate with product to identify improvements
Analyze and estimate work in agile environments
Improve coding standards and engineering practices
Requirements: Solid software engineering skills
Proficiency in Golang, Java, C#, or Typescript with React
Experience designing, developing, and testing high-quality services
Excellent problem-solving and communication skills
Extensive experience leading cross-team technical projects
Bring backend engineering expertise, practical problem-solving, and technical leadership to Index Exchange’s high-scale advertising platform.

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📌 Senior Backend Software Engineer Toronto (Ontario)
🏢 Index Exchange
📍 Ontario