senior backend software engineer python jobs in Toronto

Copy of Senior AI Engineer (with Python, LangGraph & LangChain) Full-time 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...

Join BitGo as a Senior Backend Engineer focusing on mobile solutions in Toronto. You'll design robust APIs and enhance the user experience for retail clients. In this full-time role at BitGo, you will collaborate intensively within the Mobile Engineering team to develop scalable services that empower our API-centric platform. With 6+ years of server-side...

Build secure, scalable backend infrastructure at LotusFlare, using distributed systems expertise to support millions of concurrent API calls globally. As a Senior Backend Engineer, you will develop, secure, and scale mission-critical systems for LotusFlare’s DNO Cloud platform. You will own software from development through production maintenance, while...

Coursera in Toronto is seeking a Senior Software Developer on the Monetization team to lead technical initiatives, owning service architecture and product API development, and modeling data for scalable backend systems. You will design scalable architectures using Java, Play, Scala, and modern data stores, balancing hands-on coding with technical...

Canada Full-Time CAD 154000–176000 / Posted 1 day ago This listing may have closed. It is no longer in our live feed. Location Canada Job type Full-Time Salary CAD 154000–176000 / Posted 18 Oct 2026 (1 day ago) Region Canada Category Software Engineering Source Jobicy Work mode Remote Overview of the role We’re on a mission to modernize...

ROLE: SENIOR SOFTWARE ENGINEER TEAM: PRODUCT LOCATION: TORONTO (HYBRID) COMPANY OVERVIEW Salt is a North American marketing agency that creates connected experiences through creative, digital & media innovation. Our mission is to "Earn The World's Attention" and Salt is built to find, develop, execute, and amplify the ideas that are worthy of our...

Location: Toronto; must be able to work a hybrid schedule from our Toronto office. Job Overview We are seeking a highly skilled Senior/Staff Software Engineer with deep expertise in Python and modern backend frameworks to join the alitheia team. You will build scalable, secure and high-performance APIs and services that power data-driven solutions. The...

Secure Every Identity, from AI to Human Identity 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. Senior Software Engineer, Security Engineering Our flexible and neutral products, Okta Platform and Auth0 Platform, provide secure access,...

About the Team DoorDash is building the world's most reliable on-demand, logistics engine for delivery! We're looking for experienced engineers to join our fast-growing engineering team to help us develop a 24x7, global infrastructure system that powers DoorDash's three-sided marketplace of consumers, merchants, and dashers. About the Role We're looking for...

Tubi’s Internal Tools team is at the forefront of AI integration, developing everything from developer resources to production-grade AI for business operations. We are the group responsible for turning AI from an experiment into an operating capability: training, infrastructure, developer agents, and AI-powered business systems. Engineers operate with high...

Build AI security products as a Senior Software Engineer, using strong frontend skills and backend understanding in North America. Shape a new engineering team. This senior seat focuses on securing leading AI applications and helping organisations govern AI usage. You will combine software engineering, distributed systems, LLMs, and AI APIs across product...

Elevate your career at BitGo as a Senior Mobile Software Engineer, working onsite in Toronto. Build state-of-the-art mobile applications for secure digital asset management on iOS and Android. This full-time role emphasizes design ownership, performance, and security for retail user apps. Candidates must bring 5+ years of mobile development experience,...

Make a difference in healthcare at PocketHealth as a Senior Software Engineer. Enhance patient access to care through innovative automation and seamless system integrations. You will play a critical role in deploying our Conductor platform from start to finish, working directly with stakeholders to ensure successful outcomes. Your full-stack engineering...

Shape financial software at Baselane as a Senior Full Stack Engineer, owning reliable features across frontend, backend, APIs, and relational databases. This senior position supports Baselane’s banking and financial management platform for individual landlords and real estate investors. You will translate Product and Design requirements into technical...

Join a leading AI lab as a Senior Software Engineer focused on refining language model capabilities. Work remotely at your convenience while utilizing your expertise in software development tasks. Ethos is seeking experienced Senior Software Engineers with over five years of experience in top technology companies. This flexible role allows you to engage in...

Description Description: Designs, develops, integrates, tests, deploys, and maintains enterprise platform capabilities across the user-interface, service, API, workflow, integration, and data-access layers. The role builds reusable platform services that can support multiple government programs, while also implementing the service-specific connections...

Swift and iOS SDK expertise drive product-focused engineering at DoorDash Technologies Canada Inc. in Toronto, building reliable mobile experiences. As a Senior Software Engineer, iOS, you will build complex applications for DoorDash’s consumer, merchant, and driver ecosystem. You will work within product teams, make product decisions, and improve mobile...

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 success. Backed by...

Build secure, scalable software at Faire using Kotlin, cloud computing, and automation. This hybrid role supports product engineering across the marketplace. As a Senior Software Engineer on Product Security, you will help engineering teams develop and deploy secure software. You will build reusable frameworks, consult during product design, and strengthen...

Join a leading AI lab as a Senior Software Engineer focused on refining language model capabilities. Work remotely at your convenience while utilizing your expertise in software development tasks. Ethos is seeking experienced Senior Software Engineers with over five years of experience in top technology companies. This flexible role allows you to engage in...