Senior Backend Software Engineer
Index Exchange
Build backend systems for Index Exchange’s programmatic advertising platform in Toronto or Kitchener, using strong software engineering and service design skills. Index Exchange seeks Senior-level software engineers for product and platform teams supporting backend, frontend, and fullstack work. You will help develop systems handling hundreds of billions of daily transactions. The work includes collaborating with product, improving designs, and addressing complex technical challenges. Key Responsibilities:
Design, write, and test robust, reliable code Develop systems supporting programmatic advertising transactions Collaborate with product to identify improvement opportunities Analyze and estimate work within an agile environment Improve coding standards and engineering practices Requirements:
Strong 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 Experience leading impactful cross-team technical projects Apply backend engineering, service design, and practical problem-solving to Index Exchange’s high-scale advertising technology systems.
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Design, write, and test robust, reliable code Develop systems supporting programmatic advertising transactions Collaborate with product to identify improvement opportunities Analyze and estimate work within an agile environment Improve coding standards and engineering practices Requirements:
Strong 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 Experience leading impactful cross-team technical projects Apply backend engineering, service design, and practical problem-solving to Index Exchange’s high-scale advertising technology systems.
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Reference: WJ-3875_16155044 · Posted 11 Nov 2026, 08:40 PM