python backend engineer jobs in Toronto

About Meaningful technical impact – Build applications and services that directly support Fitch Ratings' analytical and operational workflows, used by teams across the organization. Innovation‑first culture and experimentation – Permission to challenge established patterns, explore emerging technologies including AI, and drive proof‑of‑concepts...

Blue J, a Toronto‑based leader in AI for tax professionals, is seeking a Software Developer II to join our high‑performing backend team. You will design and implement critical systems, collaborate with peers, and ship significant features frequently. We value 5+ years of backend experience, 2+ years with TypeScript, and strong skills in Node.js, Kafka,...

A technology company is looking for a Senior Back End Software Engineer to join their fully remote team. The ideal candidate will have at least 7 years of back-end software development experience and expertise in Python, FastAPI, and AWS services. This role involves designing and maintaining high-quality code, owning the software development lifecycle, and...

The Opportunity We're at an exciting point: agentic automation is moving from prototype to production, and we need a senior engineer who can own high-impact work end-to-end. You'll turn ambiguous goals into shippable milestones, operate what you build in production, and iterate fast based on real customer feedback — all in a team that moves quickly...

Join us in building the future of finance.Our mission is to democratize finance for all. An estimated $124 trillion of assets will be inherited by younger generations in the next two decades. The largest transfer of wealth in human history. If you’re ready to be at the epicenter of this historic cultural and financial shift, keep reading.About the team +...

Bayview Asset Management, LLC is seeking a Backend Engineer for the AI Platform team to design, build, test, and operate scalable backend services powering internal products and AI-enabled workflows.You will develop APIs, ensure reliability, and deploy on major clouds, collaborating with product, data, and AI teams in a regulated environment. This fully...

Build mission-critical backend systems with C# and .NET at OpenTable, working hybrid from the Toronto office two days weekly. Support real-time reservation technology. As a Software Engineer II, you will design and implement services for inventory, availability, and reservation flows. The TMS Inventory team owns complex distributed systems where reliability...

A prominent investment management firm in Toronto seeks a Senior Full Stack Developer proficient in Angular and Python. The role involves managing project timelines, designing software solutions in collaboration with stakeholders, and developing scalable applications. Candidates should have experience with cloud technologies, preferably AWS, and be familiar...

Kake is a remote-first company and a people-first global community of senior engineers. Kake engineers are behind some of the world’s most innovative products (Brands you’ve heard!), from Fortune 500 to fast-growing companies. We believe it’s not where your table is, but what you bring to the table that matters. Our community spans 45,000+ engineers...

Build Authentication as a Service at eBay with Java, Spring Boot, REST, and cloud infrastructure expertise. Work on scalable backend systems. As a Senior Software Engineer, you will develop production-grade backend services for authentication workflows. You will shape architecture, infrastructure, and deployment foundations for a reusable platform extending...

Luxoft in Toronto is seeking a senior data engineer to support the Analytical Work Bench integration, including AWS-based data pipelines and Jupyter Lab IDE work. You will design and implement scalable data flows, collaborate with end users to gather requirements, and ensure code quality with standard testing practices.Join a team that leverages PySpark,...

The OpportunityWe're at an exciting point: agentic automation is moving from prototype to production, and we need a senior engineer who can own high-impact work end-to-end. You'll turn ambiguous goals into shippable milestones, operate what you build in production, and iterate fast based on real customer feedback — all in a team that moves quickly without...

Senior Software Engineer, Backend - InternationalToronto, CanadaWho We AreAt Justworks, you’ll enjoy a welcoming and casual environment, great benefits, wellness program offerings, company retreats, and the ability to interact with and learn from leaders in the startup community. We work hard and care about our most prized asset - our people.We’re...

CMiC, headquartered in Toronto, is a software company focused on the construction industry. We offer a SaaS or Private Hosted platform with modules for Financials, Payroll, Project Management and Budgeting, serving North America and expanding internationally.We are seeking a Back-End Developer with Oracle PL/SQL and Java REST API experience to focus on...

A leading tech firm is seeking a skilled developer proficient in Java and Spring Boot, alongside strong SQL Server knowledge. The role requires familiarity with RESTful API implementation and security best practices for back-end development. The ideal candidate must have experience with version control systems like Git and possess 6-8 years in the field....

Quantum Technology Recruiting Inc. is seeking a Backend Software Engineer with strong Rust expertise. You will design and build high-performance backend services for a secure, scalable identity and security platform, working in a hybrid model in Ontario. The role involves developing REST and/or gRPC APIs, collaborating with architecture, frontend, and cloud...

A culture and arts platform is seeking a Mid-Senior Back End Developer in Ottawa to enhance its API for the Amuse platform. Candidates should have experience with Go or equivalent languages, and a knack for data analytics and GIS applications. This fully remote role offers equity, generous vacation, and collaborative team dynamics. Join us to enrich the...

A leading streaming service in Toronto is looking for a Senior Software Engineer specializing in Rust. In this role, you will lead the development of backend services and tools, focusing on high-performance system architecture. Candidates should have at least 4 years of software development experience, particularly with Rust, and be enthusiastic about...

A leading IT consultancy firm is seeking a candidate in Toronto to architect and implement AWS cloud native solutions. The role requires expertise in microservices, serverless architectures, and REST API development. Candidates should ensure security best practices and actively collaborate with cross-functional teams. The annual salary ranges from CA$ 90,000...

CLR3 in Toronto is growing its engineering team. You will design, build and ship backend services, APIs and data pipelines that run in production, collaborating with a small senior team. We work on real-time, high-throughput systems including streaming pipelines, RPC infrastructure and data platforms. You will own what you build, including monitoring,...