senior backend software engineer python jobs in Toronto

Design, develop, and maintain high-quality, maintainable Java applications using clean code principles, SOLID principles, and established design patterns.Build modular, reusable, and testable Java applications and RESTful APIs.Develop microservices using frameworks such as Spring and Spring Boot.Apply strong knowledge of core Java,...

Build secure-by-design AI software with Cohere in a remote-friendly environment, using Python, Kubernetes, and modern authentication standards. As a Senior Software Engineer focused on security, you will secure North’s architecture and ship production features. Your work includes OIDC and OAuth 2.0 flows, JWT validation, token lifecycle management,...

At Swoop, our mission is simple: Improving patient outcomes. As a market leader in AI-driven, data-powered, and privacy-compliant healthcare engagement, we connect the signals that drive earlier diagnosis, better treatment decisions, and sustained adherence. Our integrated, privacy-safe platform, enables life sciences companies to drive measurable...

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...

Miratech seeks a Senior AI Engineer to join our enterprise AI initiative and enhance a centralized AI orchestration platform. You will work with Python, LangGraph, and LangChain to enable intelligent workflows and AI-powered chat across multiple business use cases. You will contribute to agent planning, tool invocation, and integration with backend systems,...

If you are unable to complete this application due to a disability, contact this employer to ask for an accommodation or an alternative application process. Senior Staff Software Engineer Development Professional Job title: Senior Staff Software Engineer - Innovation Studio Report to: Director, Engineering About Priority Commerce Priority Commerce is a...

Explore the role of Staff Software Engineer with a focus on backend architecture and document analysis in a hybrid workplace. Bring your skills to a company committed to transparency and justice. This role targets seasoned developers with a strong backend emphasis to advance our document analysis platform. You'll focus on designing scalable services,...

Why Join Exadel We're an AI-first global tech company with 25+ years of engineering leadership, 2,000+ team members, and 500+ active projects powering Fortune 500 clients, including HBO, Microsoft, Google, and Starbucks. From AI platforms to digital transformation, we partner with enterprise leaders to build what's next.What powers it all? Our people are...

Miratech seeks a Senior AI Engineer to join our enterprise AI initiative and enhance a centralized AI orchestration platform. You will work with Python, LangGraph, and LangChain to enable intelligent workflows and AI-powered chat across multiple business use cases. You will contribute to agent planning, tool invocation, and integration with backend systems,...

Shape the future of automation at Intellistack as a Software Engineer, utilizing your backend expertise to design impactful digital solutions in a hybrid setting. This role focuses on creating identity and authentication services, deploying cutting-edge technology while collaborating with multiple teams. You will be instrumental in developing scalable...

Dawninfotek is seeking a Software Developer proficient in Java and Python to design and build robust software solutions. The role emphasizes strong backend development with Java, Python, and ML-related tasks, plus API design and data handling. Familiarity with databases and CI/CD practices is valued, with a focus on delivering scalable applications....

Build robust frontend products at OpenTable while working hybrid in the office two days weekly, using semantic HTML, CSS, and automated testing. As a Senior Software Engineer on the Premium Marketing Frontend team, you will develop advertising and marketing products. You will support features used by restaurant partners to engage diners in real time. The...

Shape software architecture and engineering quality at Appnovation while leading a dedicated team serving a health and longevity client. Apply React, Python, and Node.js expertise hands-on.As Technical Lead, you will own the team's technical direction and deliver clear plans from business goals. This hands-on position combines design, coding, code review,...

Elevate your career with Ring as a Senior Software Development Engineer in Toronto. Lead the design of large-scale platforms that connect millions of devices and services seamlessly. In this pivotal role, you will guide the technical direction of high-throughput systems and collaborate across teams to tackle challenges in distributed systems and real-time...

Join Broadridge as a Senior Software Engineer and innovate within our Securities Finance and Collateral Management team. You'll design and enhance financial systems while leading significant projects and maintaining code excellence. This hands-on role requires over 10 years of software development experience, focusing on agile methodologies. You’ll play a...

Join MLSE as a Senior Software Engineer focused on driving software innovation through cloud infrastructure and developer tooling. Help build engaging fan experiences across sports and entertainment. This senior, hands-on engineering role requires extensive experience across software development and cloud platforms. You will design and enhance production...

Transform financial services with Questrade as a Senior Software Engineer. Leverage AI to enhance customer experiences while working in a hybrid environment with cutting-edge technology. At QFG, we are seeking a Senior Software Engineer to lead the development of a next-generation Loan Origination System within our Questbank team. In this hybrid role, you...

Elevate your career with SimCorp as a Senior Software Engineer focusing on AI and Quality Engineering. This hybrid role in Toronto emphasizes collaboration on innovative solutions for financial technology clients. As part of an agile team of 5-7 engineers, you will contribute mainly to the SimCorp Data Ingestion product. You will engage in understanding...

About the Role As a Senior Mobile Software Engineer within our US Retirement technology organization, you will design, build, and deliver high-quality mobile and backend solutions for our Retirement customers. Working across the full stack, you will develop React Native applications and NestJS services, contribute to architectural decisions, and help...

Miratech seeks a Senior AI Engineer to join our US healthcare client and help build an enterprise AI platform for intelligent workflows, conversational experiences, and automation. You will design scalable agent architectures using Python, LangGraph, and LangChain, integrating with enterprise systems and APIs and collaborating with a high-performing team to...