staff software engineer python jobs in Toronto

Staff Software Engineer - Growth PlatformFaire is a technology wholesale platform built on the belief that the future is local. Independent retailers around the globe collectively represent a multi-hundred-billion-dollar wholesale market that has historically been fragmented and offline. At Faire, we're using the power of tech, data, and machine learning to...

About StripeStripe is a financial infrastructure platform for businesses. Millions of companies - from the world's largest enterprises to the most ambitious startups - use Stripe to accept payments, grow their revenue, and accelerate new business opportunities. Our mission is to increase the GDP of the internet, and we have a staggering amount of work ahead....

Build something people love Wealthsimple is Canada’s leading financial innovator. The company offers a full suite of simple, sophisticated financial products across managed investing, do-it-yourself trading, cryptocurrency, tax filing, spending and saving. Wealthsimple currently serves more than 4 million Canadians and holds over $125 billion in assets...

Fivetran staff software engineer in Toronto area leads the metadata team, owning the architecture of the discovery API, catalog, lineage, and run history services that help customers understand, trust, and act on their data. You will raise the bar for design and code quality, guide multi-engineer initiatives, and mentor engineers while delivering complex...

Intuit in Toronto seeks a Staff Software Developer to build and maintain Canada’s leading tax products, intersecting software engineering, tax content, and quality engineering. You’ll interpret CRA and provincial tax requirements, write production-grade code in C# and Java, and own testing that keeps content accurate.Lead end-to-end tax initiatives,...

Thomson Reuters is building the AI platform that will power the next decade of tax, accounting and audit products, including CoCounsel Audit, a suite of AI‑native products used by accountants on real client work every day. As a Lead Software Engineer (Staff Engineer), you will own core backend and AI orchestration systems that turn frontier models into...

Cerebras Systems builds the world's largest AI chip, 56 times larger than GPUs. This architecture allows Cerebras to deliver industry-leading training and inference speeds; over 10 times faster than GPU-based hyperscale cloud inference services. This order of magnitude increase in speed is transforming the user experience of AI applications, unlocking...

Explore the role of Staff Software Engineer with a focus on backend architecture and document analysis in a hybrid workplace. Bring your skills to a company committed to transparency and justice. This role targets seasoned developers with a strong backend emphasis to advance our document analysis platform. You'll focus on designing scalable services,...

Who we areAbout StripeStripe is a financial infrastructure platform for businesses. Millions of companies - from the world’s largest enterprises to the most ambitious startups - use Stripe to accept payments, grow their revenue, and accelerate new business opportunities. Our mission is to increase the GDP of the internet, and we have a staggering amount of...

Terminal builds telematics data infrastructure for the commercial fleet industry. Commercial auto insurers and fleet software companies, including industry leaders like Intact Insurance, Penske, and Progressive, depend on our platform to access GPS, speeding, and vehicle data from 330+ telematics providers. We recently raised our Series A led by Battery...

Thomson Reuters is seeking a Staff Software Engineer. This person will be experienced in C# and lead advanced cloud AI services. Below is an overview of the responsibilities and criteria for this opportunity. About The Role As a Staff Software Engineer, you will: Leverage your expert-level C# programming skills to design, develop, and implement highly...

Scribd, Inc. is on a mission to advance human understanding. Our four products — Scribd®, Slideshare®, Everand™, and Fable — help billions of people across the globe move beyond access and into insight, application, and expertise. Culture at Scribd, Inc. We support a culture where our employees can be real and be bold; where we debate and commit as...

About the RoleWe are looking for a Staff Engineer to steer the technical evolution of our AI‑centric business platforms, which currently prioritize ad revenue operations such as cross‑system intelligence, workflow automation, and document understanding. While the domain already supports live production traffic and active users, significant architectural...

This role spans everything our customers touch: the integrations that turn raw vehicle telematics from 330+ providers into clean data, the public APIs enterprises build against, the dashboards they work in, and the ingestion platform underneath it all. It is a mix of product and backend engineering, shaping the APIs and deeper backend components our...

Why Harvey At Harvey, we’re transforming how legal and professional services operate. By combining frontier agentic AI, an enterprise-grade platform, and deep domain expertise, we’re reshaping how critical knowledge work gets done for decades to come. This is a rare chance to help build a generational company at a true inflection point. We have strong...

About Sentry Bad software is everywhere, and we’re tired of it. Sentry is on a mission to help developers write better software faster so we can get back to enjoying technology. With more than $217 million in funding and 100,000+ organizations that believe we’re on to something, we're building performance and error monitoring tools that help companies...

Secure Every Identity, from AI to HumanIdentity is the key to unlocking the potential of AI. Okta secures AI by building the trusted, neutral infrastructure that enables organizations to safely embrace this new era. This work requires a relentless drive to solve complex challenges with real-world stakes. We are looking for builders and owners who operate...

Empower commercial contractors with BuildOps as a Staff Software Engineer for our Integration Platform. Your technical expertise will help shape a reliable data movement ecosystem. You will take the helm of architecting and optimizing the systems that facilitate integrations within BuildOps. Leading technical directions and enforcing best engineering...

Job Description What is the opportunity? The Staff, Software Engineer you will be a technical leader and engineer within our platform team, driving the development and evolution of our data platform and AI capabilities. You'll play a key part in the design and implementation of scalable solutions, raising the bar for engineering excellence. This is an...

Join League as a Staff Backend Software Engineer to shape the future of healthcare technology in Canada. Use your expertise to lead architectural direction using Go and Kubernetes. As a Staff Engineer, you'll bring over 10 years of experience, influencing technical standards across pods while mentoring senior engineers. This role prioritizes collaboration...