senior backend software engineer python jobs in Toronto

The Streaming team at Affirm is responsible for all things data and drives the strategy for event driven architecture, stream processing, data exploration, discovery and validationWe leverage existing open source technologies like Kafka, Flink, Schema registry and also build our own as neededAs a member of our team you would spend time identifying and...

At 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...

Build high-performance backend systems with Golang in a permanent hybrid Senior Software Engineer position focused on enterprise energy management. Shape scalable technology through microservices and cloud-native engineering. This Senior Software Engineer role centers on modernizing distributed architectures and developing intelligent, data-driven energy...

Senior Backend Engineer building SaaS systems with data, machine learning, and AI capabilities for Kaseya’s global IT platform. This hands-on senior or staff role leads backend architecture and technical direction across product areas. You will create scalable systems, integrate ML and AI into customer workflows, and collaborate with Product, Design, and...

Build scalable Java backend services remotely for Just Eat Takeaway.com from Alberta, Manitoba, or Ontario. Apply strong system design expertise. As a Senior Java Developer, you will support the Logistics Areas and Fees team. You will architect, develop, and operate distributed systems for delivery calculations. The work includes Java 21, REST APIs, message...

Own high-performance backend systems at Canals, applying scalability, reliability, and architecture skills in a remote-first company. Canals serves wholesale distributors with software that automates essential business workflows. This senior backend engineering position focuses on complex systems and meaningful product features as the customer base expands....

Miratech helps visionaries change the world. We are a global IT services and consulting company that brings together enterprise and start-up innovation. Today, we support digital transformation for some of the world's largest enterprises. By partnering with both large and small players, we stay at the leading edge of technology, remain nimble even as a...

At Morningstar, helping investors is what brings us together and drives our work. We are looking for a Software Engineer who’s an expert with C# .NET and SQL to join our team and grow with us. Every day, you’ll work with team members across disciplines developing products for investors. You’ll interact daily with our product managers to understand our...

Staff Software Engineer, Backend (Identity Decisioning) Remote Canada At Affim, we exist for the moments that matter—giving people a clear, predictable way to pay over time, with no hidden fees, no surprises, and no tradeoffs on what matters most. Affirm’s Identity team is mission‑critical to the customer checkout experience. When a customer chooses...

Shape AI-ready data foundations and backend services for DNV’s Digital & Transformation work in Toronto, with a hybrid schedule. Use data modeling, SQL, and Python. This Senior Software Developer role supports scalable platform capabilities through data services, APIs, backend systems, and governed data assets. You will structure, validate, store,...

Build mission-critical backend systems with C# and .NET at OpenTable, working hybrid from the Toronto office two days weekly. Support real-time reservation technology. As a Software Engineer II, you will design and implement services for inventory, availability, and reservation flows. The TMS Inventory team owns complex distributed systems where reliability...

Become a pivotal part of Terminal as a Senior Backend Software Developer, focusing on backend solutions that drive business success and customer satisfaction. Utilize TypeScript and AWS to deliver innovative telematics solutions. As a Senior Backend Developer, you will be directly involved in elevating Terminal's platform capabilities. Your expertise will...

We are hiring a Senior Backend Engineer for its Customer Focus Group (CFG) — a technical team that bridges engineering and the commercial side of the product. CFG members handle development, architecture, product, and direct customer interaction: translating customer needs into the product, building new features, and resolving pressing technical issues....

Our team develops and maintains core backend systems for the OpenTable For Restaurants productOur systems are responsible for determining which tables at a restaurant are available at various times and party configurations based on a system of constraints specified by each restaurantOur systems are also responsible for booking reservations and syncing their...

Shape AI-ready data foundations and backend services for DNV’s Digital & Transformation work in Toronto, with a hybrid schedule. Use data modeling, SQL, and Python. This Senior Software Developer role supports scalable platform capabilities through data services, APIs, backend systems, and governed data assets. You will structure, validate, store,...

Become a Senior Backend Engineer at Docebo, where AI transforms workplace learning. Utilize your backend expertise to drive technical initiatives and enhance user experience through innovative system designs.In this pivotal role, you'll bring over six years of software engineering experience with a focus on backend systems. You will oversee complex projects...

Build secure backend systems in Python and Rust for AuraNet from Ottawa or Toronto, supporting real-time data across disconnected environments. As a Senior Software Engineer Backend, you will design distributed systems for Dominion Dynamics’ mesh networking platform. The work spans networking, security, containers, and autonomous platforms. You will own...

About Rules Cube and MediCoreRules Cube is a Toronto-based digital transformation and Pega consulting firm with offices in Canada, the US, Mexico, and Latin America.MediCore is Rules Cube's AI-powered patient access and clinic operations platform. It helps health systems, clinics, and diagnostic networks streamline scheduling, intake, referrals, and...

Python and PySpark expertise anchors this senior Toronto role, combining production software engineering with client-facing data and AI application development. As a Forward Deployed Engineer at Apptoza Inc., you will embed with business users, client SMEs, product owners, and engineering teams. You will understand complex workflows, validate solutions using...

About Kaseya Kaseya is the leading provider of AI-powered IT management and cybersecurity software, serving Managed Service Providers (MSPs) and internal IT organizations worldwide. Our comprehensive platform helps organizations efficiently manage, secure, and automate their IT environments, driving operational efficiency and long-term business...