senior backend software engineer python jobs in Toronto

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...

Building on more than 30 years of businessexpertise,we arean international wealth,bankingand asset management software provider empowering clients to embrace their future challenges while providinggreat performancetoday. TheObjectwayGroupis a future-proof technology player with a well-establishedtrack recordin the financial services industrywithover...

Waabi, founded by AI visionary Raquel Urtasun, is the leader in Physical AI. With a world‑class team, we're unlocking the next era of autonomous transportation with technology that's powering commercial autonomous trucks and robotaxis. Waabi is backed by and partners with world leaders in AI, automotive, logistics, and deep tech. The Evaluation...

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...

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...

About Canals Canals builds software for wholesale distributors, helping them operate more efficiently through automation and AI. Our customers are the companies responsible for moving the materials that power the real economy; electrical supplies, plumbing products, roofing materials, HVAC equipment, and more. Every day, thousands of people rely on Canals to...

Drive Java application reliability at Sun Life through hybrid work, incident leadership, and observability for critical digital experiences.The e-Business team in Application Operations Support seeks a Senior Software Engineer with 7+ years of Java support, analysis, and development experience. You will help keep systems reliable, scalable, secure, and...

Job DescriptionBe a part of a team, Wealth Management Technology, to build and transform Backend Trading products for our clients. You will be heavily involved in shaping our RBC technology landscape, delivering key business values for our clients.  Assist with integrating, extending our trading services, working with other trading applications and...

About Behavox Behavox is a cloud-native AI company providing an integrated controls platform for global banks, asset managers, hedge funds, private equity firms, insurance businesses, and commodity firms. The platform unifies communications and trade surveillance, compliant archiving, policy management as well as front-office analytics on a single, AI-native...

We are building a modern data platform centered on Snowflake and we’re seeking a Snowflake-focused data professional to design, build and operationalize Snowflake-native solutions. The role combines advanced Snowflake development (Snowpark, Streams & Tasks, Snowpipe), data architecture and platform engineering to deliver performant, secure, governed data...

Join BuildOps in changing the commercial contracting landscape as a Senior Software Engineer. Work hybrid as you build and enhance vital software solutions that empower contractors. As part of a distributed team, your mission will be to create high-quality software that meets industry needs. This includes backend development, frontend React capability, and...

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 with...

# Senior Software Engineer, Security Engineering - Platform (Auth0)Okta · okta.comCategory: Cloud SecurityLocation: Toronto, Ontario, CanadaLevel: Senior## Quality of lifeWhat the posting states. Hover or tap a perk to see the line it came from.* Paid parental leave* EquitySecure Every Identity, from AI to HumanIdentity is the key to unlocking the...

MaintainX is the world's leading AI-powered maintenance and asset management platform, serving 13,000+ customers including Duracell, Shell, Cintas, and Brenntag. We raised $150M in Series D funding led by Bessemer Venture Partners and Bain Capital Ventures, bringing our total funding to $254M. We were named to the Forbes 2025 Cloud 100, the definitive...

S'more about the team The Production Scheduling Technology team builds and maintains the platform that powers how HelloFresh plans, sequences, and optimizes production across our operations. Our team has developed the first iteration of the next-generation internal system with a planning engine that now automates the end-to-end planning process – a system...

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...