senior full stack software engineer jobs in Toronto

What We Do We build AI models to enable smaller, faster, and more successful clinical trials. What We Do We build AI models to enable smaller, faster, and more successful clinical trials. About Altis Labs Altis Labs is a computational imaging company focused on improving how oncology trials measure treatment benefit. Our core technology is IPRO, an AI model...

3 weeks ago Be among the first 25 applicantsCompany OverviewAthennian increases trust in business. Our products help legal, finance, and tax teams be transaction and audit-ready by organizing business entity and corporate structure information. Over 370,000 business entities in almost every country are managed on Athennian to automate workflows for...

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...

The Senior ETL Developer plays a critical role in designing, developing, and maintaining enterprise‑grade data integration solutions that support analytics, reporting, and operational decision‑making. In this role, you will leverage deep expertise in Informatica, SQL, and cloud‑based data platforms to build scalable, reliable ETL pipelines. You will...

Design and build scalable applications for data acquisition, management, and visualizationBuild and maintain full-stack Nota features, from React components through GraphQL schemas to PostgreSQL query performanceDesign, deploy, and scale ML inference services on Ray Serve and Kubernetes, including model versioning, autoscaling, and observabilityArchitect and...

Build internal applications at Cohere using TypeScript, React, Python, and Next.js in a remote-friendly engineering environment. Create tools supporting frontier AI model development. As a Senior Full-Stack Software Engineer, you will craft browser and server experiences for user-facing products. You will collaborate with annotators, ML researchers, product...

Build production web applications in Toronto with React, TypeScript, Node.js, or Python for Mecka AI’s global operations. Use AI tools daily. As a Senior Full Stack Software Engineer, you will own features across frontend, backend, and operational integrations. You will translate requirements from operators and data teams into reliable software. The work...

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...

Build enterprise-grade fintech applications as a Senior Full Stack Software Engineer with Angular, Java Spring Boot, AWS, and SQL expertise. Curinos develops B2B SaaS applications helping financial institutions improve pricing and portfolio management. In this senior role, you will work across front-end, back-end, and cloud infrastructure. You will help...

Build full-stack products at Snowflake with Golang, Python, TypeScript, and React across backend services and user interfaces. As a Senior Software Engineer, you will deliver initiatives spanning the full technology stack. You will own features across notebook services, container runtimes, and UI while partnering with product managers, designers, and...

3 weeks ago Be among the first 25 applicants Company Overview Athennian increases trust in business. Our products help legal, finance, and tax teams be transaction and audit-ready by organizing business entity and corporate structure information. Over 370,000 business entities in almost every country are managed on Athennian to automate workflows for...

Build end-to-end product features at WorkWhile using JavaScript, React, React Native, or Python. The engineering team works hybrid from SF, NY, or Toronto. As a Software Engineer, you will collaborate with leadership and cross-functional partners on impactful product development. You will lead projects through design, implementation, delivery, and...

Build full-stack products at Snowflake with Golang, Python, TypeScript, and React across backend services and user interfaces. As a Senior Software Engineer, you will deliver initiatives spanning the full technology stack. You will own features across notebook services, container runtimes, and UI while partnering with product managers, designers, and...

Build production web applications in Toronto with React, TypeScript, Node.js, or Python for Mecka AI’s global operations. Use AI tools daily. As a Senior Full Stack Software Engineer, you will own features across frontend, backend, and operational integrations. You will translate requirements from operators and data teams into reliable software. The work...

As a Senior Software Engineer on our Provider team, you will have the opportunity to apply your Full Stack expertise towards building the next generation of our core infrastructure that will enable thousands of hospitals and clinics — and empower millions of patients — to discover a better healthcare experience. The Provider team has a big mandate - and...

As a Senior Software Engineer on our Provider team, you will have the opportunity to apply your Full Stack expertise towards building the next generation of our core infrastructure that will enable thousands of hospitals and clinics — and empower millions of patients — to discover a better healthcare experience. The Provider team has a big mandate - and...

Senior Full-Stack Engineer - Capital Markets & Derivatives Are you passionate about building innovative technology solutions in Capital Markets? Join Manulife’s Derivatives Product Team and help shape the future of trading, risk management, and AI-driven financial platforms. We're seeking a Senior Full-Stack Engineer with strong software engineering...

The Senior ETL Developer plays a critical role in designing, developing, and maintaining enterprise‑grade data integration solutions that support analytics, reporting, and operational decision‑making. In this role, you will leverage deep expertise in Informatica, SQL, and cloud‑based data platforms to build scalable, reliable ETL pipelines. You will...

Design and build scalable applications for data acquisition, management, and visualization Build and maintain full-stack Nota features, from React components through GraphQL schemas to PostgreSQL query performance Design, deploy, and scale ML inference services on Ray Serve and Kubernetes, including model versioning, autoscaling, and observability Architect...

Build end-to-end product features at WorkWhile using JavaScript, React, React Native, or Python. The engineering team works hybrid from SF, NY, or Toronto. As a Software Engineer, you will collaborate with leadership and cross-functional partners on impactful product development. You will lead projects through design, implementation, delivery, and iteration....