senior backend engineer python aws jobs in Toronto

Why you’ll love working here - high-performance, people-focused culture - commitment that equity, diversity, and inclusion are fundamental to our work environment and business success, which helps employees feel valued and empowered to be their authentic selves - learning and development initiatives, including workshops, Speaker Series events and access...

Join Kaseya as a Senior Software Engineer specializing in DevTest and QA Automation, where you'll leverage AI technology to enhance test automation across IT management solutions. This hands-on role focuses on developing robust automated testing capabilities for enterprise software platforms. At Kaseya, we seek a seasoned engineer to design, build, and...

At Lyft, our purpose is to serve and connect. We aim to achieve this by cultivating a work environment where all team members belong and have the opportunity to thrive. As a Senior Software Engineer, Data on the Mapping team, you will collaborate with our world-class team of engineers, product managers, and scientists to grow and improve the quality of...

Senior Engineer / Architect – Electronic Trading, Market Data & Smart Order Routing Location: Toronto, ON (Hybrid - 2 days/week onsite) Employment Type: 12-Month Contract We are partnering with a leading financial services organization to hire a Senior Engineer / Architect with deep expertise in electronic trading, market data, smart order routing, and...

General Information: Job Title: Senior Engineer, Applied AI Location:Toronto, ON (Onsite/Hybrid) Job Type:Full-Time Hiring Timeline:Immediate Reporting Line: Head of R&D Existing Vacancy:Yes Salary Range: 135K – 170K CAD per year (negotiable) About Fulfillment IQ (FIQ): Fulfillment IQ is a supply chain engineering and transformation company that helps...

Impact educational access as a Senior Software Engineer at Coursera and Udemy. This customer-facing role focuses on building AI-powered solutions to enhance client engagement and workflows. In this pivotal role, you will work hands-on with enterprise clients to diagnose their needs, creating effective AI solutions. Collaborate with Product Managers and AI...

Affim seeks a Senior Software Engineer, Backend (Lakehouse Infra) to own backend systems at scale for data infrastructure across OLTP and OLAP. You will design, build and operate reliable, high-availability services in a remote Canada setting, collaborating with product, design and analytics teams.You'll lead by example, set quality standards, and mentor...

Grafana Labs is seeking a Senior Tempo Engineer for a remote role spanning Canada and the US. You will drive architectural direction for Tempo, Grafana's tracing backend, and help scale Tempo from a SaaS database to a platform powering next-generation observability products.You'll lead complex projects, own critical Tempo components, and shape APIs for human...

Drive robust data engineering solutions with Tubi as a Senior Data Engineer in Toronto. This hybrid role focuses on building data pipelines essential for business intelligence and analytics. As a vital member of Tubi's team, you will be embedded in a specific product vertical, supporting data initiatives related to Viewer Growth and Marketing Analytics....

Our client is searching for an iOS & Backend Developer with a full-stack mindset. In this role, you will design and develop high-quality mobile applications integrated with backend services. The ideal candidate will bridge the mobile and backend worlds, owning projects from start to finish. This includes creating and maintaining applications while designing...

The Platform team creates the technology that enables Spotify to learn quickly and scale easily, enabling rapid growth in our users and our business around the globe. Spanning many disciplines, we work to make the business work; creating the infrastructure, tooling, frameworks, and capabilities needed to welcome a billion customers.Spotify is looking for a...

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. We are seeking...

Role: AI Developer (Generative AI, Agentic AI & AWS) Location: Toronto, ON – Hybrid Contract Role Responsibilities and Qualifications Strong Python coding skills and proficiency in Python development, including building scalable applications, scripting, and automation. Data Engineering: Strong SQL skills and experience designing and building data...

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. The Card Loan Platform team builds the high-throughput decision engine at the heart of Affim’s card products. Unlike traditional cards, every pay‑later transaction is backed by...

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...

Home › Jobs › Senior Software Engineer, Backend (AI Agent Integrations)Location CanadaJob type Full-TimePosted 13 Oct 2026 (1 day ago)Region CanadaCategory Software EngineeringSource JobicyWork mode RemoteCresta unlocks the true potential of the customer experience, turning every conversation into a competitive advantage. Cresta's unified AI platform...

About Nu Nu serves more than 140 million customers, guided by a mission to fight complexity and empower people. The company has been leading an industry transformation through innovative products and human-centered services. Proprietary technology and data at scale power Nu’s digital platform, built to promote financial access, advancement, and...

Project Description We are seeking an experiencedAI Engineerto design and deliver scalable GenAI solutions. This subcontractor role focuses on building production-ready AI products usingPython, React, and AWS , while leveraging modern architectures such asLLM pipelines, RAG, and agent-based systems .Responsibilities AI EngineeringLead and contribute to 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...

Kake, a remote-first, people-first global community of senior engineers, is seeking a Senior AI/LLM Engineer with strong Python to design, build, and productionize LLM-powered applications at scale.You will own end-to-end features, from prototyping to production deployment, collaborating with cross-functional teams in a fully remote setting. This role offers...