senior backend engineer python aws jobs in Toronto

Senior Software Engineer, Agentic Systems Toronto, ON Engineering Hybrid Full-time Asepha is based in New York and Toronto, building agentic solutions that re-imagine how medications are prescribed, verified, and supported across the pharmacy ecosystem. Backed by $4M in funding and trusted by multiple Fortune 50 healthcare organizations, we’re scaling...

Seeking a Senior Backend Engineer to build and maintain cloud features, using Flask, React, and PostgreSQL.

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.

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

Capital One Canada is seeking a senior software engineer to own technical design and development across the full software lifecycle. You will guide cross-functional teams, mentor juniors, and drive engineering standards while delivering scalable, high-quality systems. You’ll work in a hybrid environment with a strong emphasis on ownership, collaboration,...

Affim is building the financial brain behind our card products. We’re seeking a senior backend engineer to lead design and development of high‑throughput, highly available services, from APIs to data models in a distributed architecture. You’ll collaborate with product, data science, and engineering teams, mentor junior engineers, and drive robust,...

Lead the change in ecommerce with Goldin, an eBay company, as a Senior Full Stack Engineer. Utilize your expertise across the stack to foster meaningful connections in the collectibles market. In this role, you'll collaborate with a dedicated team to design, build, and maintain scalable, high-performing software solutions. Your experience in AWS, Python, and...

Shape the future of AI technology as a Senior Solutions Engineer with Tata Consultancy Services. Leverage your engineering skills to deliver innovative AI-driven applications. As a Forward Deployment Engineer Technical Lead at TCS, you will solve complex technical challenges by collaborating with customer stakeholders and engineering teams. Your role...

Join Celestica as a Senior Specialist in IT Infrastructure in Toronto, ON, where your cloud and systems engineering skills will make an impact. Focus on designing hybrid solutions leveraging Azure and Kubernetes. This technical lead position calls for expertise in building enterprise cloud solutions and managing virtualization platforms. With 7+ years of...

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...

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...

Ready to Make a Real Impact? Join e-STORAGE!Who We AreWelcome to e-STORAGE, a proud member of the Canadian Solar Inc. (NASDAQ: CSIQ) family! We’re leading the way in designing, building, and integrating advanced battery energy storage systems for utility-scale projects. Our mission? To accelerate the world’s renewable energy transition and create a more...

About Clutch Clutch is Canada's largest online used car retailer, delivering a seamless, hassle-free car-buying experience to drivers everywhere. Customers can browse hundreds of cars from the comfort of their home, get the right one delivered to their door, and enjoy peace of mind with our 10-Day Money-Back Guarantee. Named one of Canada's Top Growing...

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...

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....

Shape the future of eCommerce at Flywheel as a Full Stack Senior Engineer specializing in our Perpetua platform. Use modern technologies like Python, Django, and React to deliver data-driven solutions. This senior position focuses on enhancing backend services and developing user-centric applications for small and medium businesses. You will create data...

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...

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...

The Senior Manager of AWS Technical Support leads a team of high-performing technical support professionals delivering world-class support to mid-tier and enterprise customers leveraging Amazon Web Services (AWS). This role is accountable for driving operational excellence, enhancing customer satisfaction, and developing scalable, future-ready support...

Become a Senior Node.js and NestJS Engineer with a top financial client focusing on backend development. This role involves creating essential APIs within an Azure framework. In this influential role, you will develop backend capabilities for a technician portal aimed at enhancing parts availability and delivery solutions. Your work will encompass building...