Senior AI Backend Engineer: Scalable, High-Performance APIs
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Toronto, ON, Toronto Census Division, ON; Ontario, Canada Refinitiv Full-timeA leading technology firm in Toronto is seeking a Senior Software Engineer to design and optimize backend systems for AI-powered platforms. In this role, you will architect high-performance services, manage large-scale data flows, and collaborate with cross-functional teams to implement AI capabilities. Candidates should have over 7 years of experience in...
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Toronto, Ontario, Canada Refinitiv Full-timeThomson Reuters is seeking a Senior Software Engineer – AI to architect and optimize backend services for AI-native experiences within the Materia AI ecosystem. You will design scalable systems coordinating LLM interactions and real-time data flows, building APIs and microservices in Python and FastAPI, with PostgreSQL and AWS foundations.You will lead...
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Toronto, ON, Toronto Census Division, ON; Ontario, Canada Thomson Reuters Full-timeA leading technology company in Toronto is seeking a Senior Software Engineer to design and implement backend services for AI-native products. The ideal candidate has over 4 years of experience, strong skills in Python, FastAPI, and PostgreSQL. Responsibilities include building scalable APIs, collaborating with ML engineers, and connecting backend services...
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Senior Backend Engineer — Scalable API Systems
16 hours ago
Toronto, Ontario, Canada Rogers Communications Full-timeRogers Communications in Brampton, ON is seeking a Server Side Developer to design and implement backend services, APIs and system interfaces for next-generation products. You will work on high-scale, high-visibility projects and ensure architectural standards are followed.You will collaborate with IT Platform Management, business analysts and...
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Backend Engineer
4 days ago
Toronto, Ontario, Canada Speechify Full-timeSpeechify is seeking a backend developer who is passionate about creating user-focused products. You will design and maintain scalable APIs and work closely with cross-functional teams to align backend architecture with our product strategy. Ideal candidates will have proven experience in backend development, particularly with TS/Node, and should be familiar...
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Toronto, Ontario, Canada Rustify Full-timeQuantum Technology Recruiting Inc. is seeking a Backend Software Engineer with strong Rust expertise. You will design and build high-performance backend services for a secure, scalable identity and security platform, working in a hybrid model in Ontario.The role involves developing REST and/or gRPC APIs, collaborating with architecture, frontend, and cloud...
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Senior Backend Engineer
6 hours ago
Toronto, Ontario, Canada NimbleRx Full-timeAt Swoop, our mission is simple: Improving patient outcomes. As a market leader in AI-driven, data-powered, and privacy-compliant healthcare engagement, we connect the signals that drive earlier diagnosis, better treatment decisions, and sustained adherence.Our integrated, privacy-safe platform, enables life sciences companies to drive measurable patient and...
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Senior AI Backend Engineer — Scalable APIs
4 days ago
Toronto, ON, Toronto Census Division, ON; Ontario, Canada Refinitiv Full-timeThomson Reuters is seeking a Senior Software Engineer – AI to architect and optimize backend services for AI-native experiences within the Materia AI ecosystem. You will design scalable systems coordinating LLM interactions and real-time data flows, building APIs and microservices in Python and FastAPI, with PostgreSQL and AWS foundations. You will lead...
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Toronto, ON, Toronto Census Division, ON; Ontario, Canada Rustify Full-timeQuantum Technology Recruiting Inc. is seeking a Backend Software Engineer with strong Rust expertise. You will design and build high-performance backend services for a secure, scalable identity and security platform, working in a hybrid model in Ontario. The role involves developing REST and/or gRPC APIs, collaborating with architecture, frontend, and...
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Toronto, ON, Toronto Census Division, ON; Ontario, Canada Rogers Communications Full-timeRogers Communications in Brampton, ON is seeking a Server Side Developer to design and implement backend services, APIs and system interfaces for next-generation products. You will work on high-scale, high-visibility projects and ensure architectural standards are followed. You will collaborate with IT Platform Management, business analysts and...
