senior backend software engineer python jobs in Toronto

# Backend Software EngineerQuantum Technology Recruiting Inc. · Canada · Mid · HybridView & Apply## About the RoleWe are hiring a **Backend Software Engineer with strong Rust expertise** to join a growing engineering team building secure, scalable, high-performance backend services for a next-generation identity and security platform.This is a hands-on...

Job Title : Senior Software Engineer (Trading Technology Software Development) Technical Team Lead / Software Development Manager Welcome to Pinnacle, the ultimate destination for sports enthusiasts seeking an exhilarating sportsbook and gaming experience! Established in 1998, we have solidified our position as one of the globe's foremost licensed online...

Forma.ai is seeking a Senior Staff Backend Engineer to own backend architecture across multiple domains, influencing design and data models for enterprise-grade workflows. You will lead complex initiatives, ship high-impact systems, and mentor engineers while collaborating with Product and Analytics teams. The role emphasizes ownership, cross-team...

Justworks in Toronto, Canada is seeking a Senior Software Engineer to own large-scale projects from discovery through launch, delivering measurable customer impact. You will collaborate with product and design teams to craft scalable solutions and drive robust testing, monitoring and deployment practices. You will improve performance and reliability of...

Raise is hiring a Senior Backend Engineer for their Toronto office. This hybrid role involves leading architecture and design initiatives and mentoring engineering teams. With 10-15 years of IT experience, you will drive automation and cloud-native projects. The ideal candidate will have strong technical skills in Azure, Kubernetes, and Java, among others,...

Grafana Labs is the company behind Grafana Cloud, the fully managed observability platform trusted by more than 10,000 organizations to ensure reliability, resolve incidents faster, and optimize telemetry at scale. Built on open source and open standards and designed for interoperability across any stack, Grafana Cloud brings AI to observability and...

Fullscript is hiring a senior IAM backend engineer in Canada. You will collaborate with a focused development pod to build and maintain IAM capabilities, focusing on authentication, authorization, and security across services. You’ll contribute to a scalable backend stack using Ruby on Rails, GraphQL, and Apollo, while partnering with product, security,...

Reuters in Toronto, Canada is seeking a hands-on Senior Software Engineer with strong DevOps and cloud platform expertise. You will design, build, deploy, and operate scalable cloud-native services using Java, Spring Boot, AWS and PostgreSQL, while owning CI/CD pipelines and infrastructure as code. You will partner with Product, Architecture, Security and...

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 insurance,...

About Magical Magical is an agentic automation platform bringing state-of-the-art AI to healthcare—delivering AI agents that actually work in production. About Magical Magical is an agentic automation platform bringing state-of-the-art AI to healthcare—delivering AI agents that actually work in production. We believe the future of healthcare isn't about...

Overview of the roleWe’re on a mission to modernize insurance, making it simpler, more accessible, and customer-first. The insurance industry is a $1T market that’s remained largely untouched by the digital revolution, and PolicyMe is here to change that. As a remote-first, Toronto-based startup with big ambitions, we’re building the future of...

The Platform team creates the technology that enables Spotify to learn quickly and scale easily, enabling rapid growth in our users and our business around the globe. Spanning many disciplines, we work to make the business work; creating the infrastructure, tooling, frameworks, and capabilities needed to welcome a billion customers. Spotify is looking for a...

Affim is seeking a software engineer to help design, build, and scale backend systems using Python or Kotlin. You will work with AWS, Kafka, Flink, and Kubernetes within a distributed architecture, delivering robust features in a remote-first environment across Canada. You will join the Streaming team, break down work into phases, collaborate with product...

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...

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 clients'...

BettingJobs is hiring a Senior Software Engineer a global leader in online gaming, to join a new backend engineering team in Toronto. Responsibilities: Design, develop, and maintain high-performance .NET backend services Build and manage real-time data pipelines and integrations. Extend legacy systems to ensure stability and backward compatibility. Diagnose...

About CircleCI Engineering CI/CD has been solved. Now it’s being reinvented. AI agents don’t just run pipelines. They write code, trigger builds, interpret failures, and propose fixes. The interfaces that developers use to understand and trust that work don’t exist yet. We’re building them. At CircleCI, our guiding principles aren’t posters on a...

Build enterprise banking software with Java and Spring Boot in a hybrid Downtown Toronto engineering team. Apply backend expertise across scalable solutions. This Java Software Engineer role requires five-plus years of experience and focuses primarily on backend development. You will work with Java, Spring Boot, microservices, PostgreSQL, Docker, and cloud...

We are hiring a Bookkeeper to maintain accurate financial records, manage daily accounting tasks, and assist with payroll and financial reporting. Full-time Key Details Schedule - Monday to Friday Location - Etobicoke, ON Time - 9:00 AM to 5:00 PM Key Responsibilities Maintain accurate financial records and bookkeeping entries. Manage...

Hybrid remote (2-3x a month in the Toronto office) Sage Recruiting is partnering with a fast-growing SaaS startup that’s bringing modern engineering to one of the most outdated industries around. Their work directly affects electrical grid reliability and how major utilities operate. If you’ve ever looked at repeated outages and thought technology should...