senior backend software engineer python jobs in Toronto

Python and SQL specialists can build scalable data pipelines as Data Engineers in a hybrid consulting assignment, with two onsite days in Toronto.This long-term consulting job supports a major bank client. The Data Engineer will design automated pipelines, develop ETL processes, and process data using Python and SQL. The work also includes data validation,...

Design reliable backend systems with Python or Go at Tucows Domains, working remotely from Canada on APIs, databases, and production software.As a Senior Backend Software Engineer, you will build and maintain services supporting Tucows Domains products. This hands-on individual contributor role provides technical direction across multiple systems while...

Senior Software Engineer, Tech Transformation Toronto, ON (Canada) At AutoScout24 , we’re excited to be hiring for our Canadian company, Trader Corporation — a key part of our international family. As the Canadian arm of Europe’s largest online car marketplace, Trader Corporation plays a vital role in transforming how people buy, sell, and finance...

Drive innovation as a Senior Backend Engineer with a remote-first AI-native platform team focused on marketing and creative insights. You will leverage your expertise in Node.js and TypeScript to craft robust backend systems that scale effectively. Join a fast-growing Series B company where you’ll design and maintain backend APIs that support various...

Senior Backend Engineer### Senior Backend EngineerApply: Remote Canada (ON): Full time: Posted 30+ Days Ago: R49905## ## Job Description:# **Senior Software Engineer (AI-First, Agentic AI)**# **Remote Canada****Compensation & Role Details**Expected Salary Range: $130,000 - $170,000 CAD, depending on experience and qualificationsRole Type: New RoleAI...

Job Description: Senior Software Engineer (AI-First, Agentic AI) Remote Canada Compensation & Role Details Expected Salary Range: $130,000 - $170,000 CAD, depending on experience and qualifications Role Type: New Role AI Disclosure: AI is used to screen, assess, or select applicants for this role Overview We’re a software company at the start of...

We’re working with a group of well-funded, fast-scaling hardware and AI companies building next-generation compute platforms - from AI accelerators to advanced silicon and compiler stacks in the heart of Toronto. We’re looking for Senior to Staff-level Compiler Engineers to join teams tackling problems at the intersection of software, hardware, and...

Elevate your career as a Senior Backend Engineer at DoorDash, focusing on product-driven tech solutions in a hybrid work model. Join a team dedicated to innovative architecture and systems. We are seeking a Senior Backend Engineer to enhance our product and infrastructure. In this hybrid role, you'll manage backend services, mentor peers, and participate in...

Senior Software EngineerPolicyMeSalary not statedFull-timeremote· seniorCanadapythonreactpostgreslangchainawsnodeListed via Jobicy · posted 16 Sept 2026. The application happens there, not on DevConnect.Apply on Jobicy## DescriptionOverview of the roleWe’re on a mission to modernize insurance, making it simpler, more accessible, and customer-first. The...

Join us in building the future of finance.Our mission is to democratize finance for all. An estimated $124 trillion of assets will be inherited by younger generations in the next two decades. The largest transfer of wealth in human history. If you're ready to be at the epicenter of this historic cultural and financial shift, keep reading.About the team +...

OX Security is securing the AI-driven SDLC from prompt to production. We're building the next generation of security technology for a world where AI is changing how software is built, deployed, and attacked. We're looking for a strong Senior Backend Engineer to join VIBESEC, the team building our AI security products. This is one of the most exciting...

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...

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 commercial outcomes with actionable intelligence —...

This range is provided by Elastify. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range CA$140,000.00/yr - CA$160,000.00/yr Direct message the job poster from Elastify Data and Software Engineering | Delivery and Sales Enablement Associate A fast-growing, Toronto-based private equity...

ZoomInfo is where careers accelerate. We move fast, think boldly, and empower you to do the best work of your life. You’ll be surrounded by teammates who care deeply, challenge each other, and celebrate wins. With tools that amplify your impact and a culture that backs your ambition, you won’t just contribute. You’ll make things happen–fast. As a...

What if you could build software that didn’t just scale, but transformed entire organizations? At Tactable, this is what drives us. We’re building a world-class cloud, data, and API engineering firm with a mission to power the most influential tech of tomorrow, through expert-led delivery, strong partnerships, and a relentless focus on quality. Founded...

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. As we build Affim's advertising platform and evolve Marketplace into a best in class shopping destination, the ability to route and discover is one of the greatest levers for...

About Venn Venn is the fastest-growing B2B fintech in Canada. We're on a mission to transform business banking for Canadian entrepreneurs and are looking to hire A-players interested in disrupting traditional banking practices. As the ONLY digital banking platform in Canada offering a truly modern solution, we have seen accelerated growth—scaling to...

What if you could build software that didn’t just scale, but transformed entire organizations?At Tactable, this is what drives us. We’re building a world-class cloud, data, and API engineering firm with a mission to power the most influential tech of tomorrow, through expert-led delivery, strong partnerships, and a relentless focus on quality.Founded by...

About Thri5Thri5 is building the AI-powered execution layer for the modern retailer.Retailers generate massive amounts of data but still struggle with operational execution. Thri5 continuously identifies opportunities, prioritizes actions, and helps teams execute through intelligent workflows and AI agents.Founded by a team with deep retail and...