python backend engineer jobs in Toronto

Staff Backend Engineer sought to develop and evolve Inworld's AI platform, focusing on intelligent runtime, API services, data ingestion, and control/optimization. Requires strong programming, cloud, and database skills.

Senior Backend Engineer to design, implement, and optimize secure, scalable backend systems using Python on AWS, leveraging Kubernetes, Terraform, and monitoring tools.

Seeking a Backend Performance Testing Engineer skilled in performance tools, system diagnostics, and database validation to ensure backend system scalability and efficiency under load.

Staff Backend Engineer focused on enhancing the developer experience by identifying and removing friction in the development lifecycle, including coding, designing solutions, and influencing engineering culture.

Seeking a Senior Backend Engineer specializing in Golang to build secure digital asset management services for an institutional staking team within a fintech company.

Seeking a Staff Backend Engineer to own technical strategy for designing, building, and operating product features. This role involves translating product ideas into scalable systems, leading cross-functional delivery, and mentoring engineers.

eBay is building Authentication as a Service and expanding backend platforms. We’re looking for a Senior Software Engineer with a passion for reliable, testable backend systems using Java, Spring Boot, and REST APIs to design, implement, and operate scalable services. You will own automated testing across unit, integration, and API tests, contribute to UI...

Step into a leadership role as a Lead Backend Engineer for AI at Thomson Reuters, focusing on cutting-edge platform services. In this pivotal role, you'll provide technical guidance on the architecture and deployment of systems vital for AI agent workflows. Close collaboration with Product and Engineering teams will be essential to accelerate innovation...

Build high-throughput streaming systems as a Senior Java Engineer specializing in Apache Flink, working hybrid from downtown Toronto three days weekly. This senior backend engineering role supports the Core Data Platform team in evolving real-time data architecture. You will develop stateful pipelines with Java DataStream and Table/SQL APIs, integrate Apache...

A leading consulting firm in Toronto is seeking an experienced Developer specializing in Fintech, particularly with Progress 4GL / OpenEdge. The role involves developing solutions for the investment sector and ensuring compliance with regulatory standards. This includes solid knowledge of Canadian registered investment products such as RRSP and TFSA. The...

S'more about the team The Menu Operations team ensures the accuracy, reliability, and consistency of data and workflows across our ecosystem. This role will focus on automated data validation, cross-system reconciliation, monitoring, troubleshooting, and developing scalable solutions that improve data quality and operational efficiency. The role will work...

Astra-North Infoteck Inc. in Toronto is seeking a Senior QA Automation Engineer to build and execute automated test frameworks using Python and Playwright in the trading applications domain. This contract QA role focuses on hands-on test framework development, test case design, and component-level validation for trading systems. Must have 10+ years in...

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Seeking a Senior Python Engineer for a hybrid role in Toronto to build scalable solutions for a core banking platform using Django, Flask, or FastAPI.

Experienced Data Engineer sought by a financial services firm in Toronto to design and build scalable applications using Python and PySpark, with expertise in Data Bricks and pipeline optimization.

Builds and scales ML infrastructure and models to protect Yelp users from fraud, spam, and abuse. Works with large datasets and cutting-edge AI/ML technologies in a remote Canadian setting.

Intermediate Software Developer needed to build and maintain a cloud firmware emulation platform, requiring Python, Kubernetes, and Terraform expertise.

Experienced Data Engineer needed to design and build scalable applications using Python and PySpark, focusing on Data bricks and pipeline optimization.

Ingénieur logiciel recherché pour contribuer aux initiatives stratégiques de repo trading. Développer des intégrations, livrer des améliorations, résoudre des problèmes de production et effectuer la maintenance.

Seeking a Staff Software Engineer (Backend) to provide technical leadership, design complex systems, and mentor engineers. Responsibilities include roadmap planning, stakeholder engagement, and code development for high-impact opportunities.