java backend software engineer jobs in Toronto

At Affirm, we exist for the moments that matter—giving people a clear, predictable way to pay over time, with no hidden fees, no surprises, and no tradeoffs on what matters most. Identity Engineering owns the systems responsible for onboarding all consumers and managing their authentication and verification journeys across Affirm’s product surfaces. In...

Build Oracle data pipelines with Java and SQL as a Software Engineer I in Fivetran’s Toronto hybrid office, including two weekly office days. As part of the Oracle Connector Team, you will build pipeline features, improve architecture, and maintain reliable service operation. You will investigate data replication, analyze Oracle releases, and help...

Snap Inc is a technology company. We believe the camera presents the greatest opportunity to improve the way people live and communicate. Snap contributes to human progress by empowering people to express themselves, live in the moment, learn about the world, and have fun together.The Company operates Snapchat, a visual messaging app that enhances your...

At the company, our purpose is to serve and connect. We aim to achieve this by cultivating a work environment where all team members belong and have the opportunity to thrive. Interns work side-by-side with top engineers in the industry while having autonomy from the get-go. They contribute to user-facing products and are able to see their work go live...

Must Haves: • Java, Spring Boot, REST API, and HAPI FHIR development experience, including hands-on processing of FHIR R4 and DSTU2 resources in production-grade services. • NextGen Connect (Mirth) and HL7 v2 integration experience, including transformation, validation, routing, acknowledgements, error handling, Java-service integration, and practical...

Capital One Canada is offering a backend software engineering internship focused on building and scaling core backend services. You will work on data quality, regulatory compliance, and customer service automation within Team Interstellar, contributing to high-traffic production systems and ETL pipelines. You will gain hands-on experience with cloud...

161 Bay Street (93021), Canada, Toronto,Toronto, Ontario,Intern, Backend Software Engineer – Team Interstellar – Winter 2027 About Capital One Canada For 30 years, we?ve been on a mission to change banking for good. We challenge the traditional bank stereotype, fostering a culture where innovation thrives and bold ideas are celebrated. You?ll be...

At Lyft, our purpose is to serve and connect. We aim to achieve this by cultivating a work environment where all team members belong and have the opportunity to thrive. Interns work side-by-side with top engineers in the industry while having autonomy from the get-go. They contribute to user-facing products and are able to see their work go live quickly....

Excel as a Staff Backend Software Engineer at Motion, focusing on API design and backend services. Use your skills in Node, Type Script, and Mongo DB to influence company-wide operations.Join Motion's Platform team to develop and enhance high-quality backend solutions that cater to diverse product lines. You will collaborate closely with engineers to deliver...

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...

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 and...

BitGo (NYSE: BTGO) is the digital asset infrastructure company delivering custody, wallets, staking, trading, financing, stablecoins, and settlement services from regulated cold storage. Since 2013, BitGo has focused on accelerating the transition of the financial system to a digital asset economy. BitGo maintains a global presence and multiple regulated...

Snap Inc is a technology company. We believe the camera presents the greatest opportunity to improve the way people live and communicate. Snap contributes to human progress by empowering people to express themselves, live in the moment, learn about the world, and have fun together. The Company operates Snapchat, a visual messaging app that enhances your...

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...

About the Role We’re looking for Senior Backend Engineers to work on both Product and Product Platform based teams. Product focused Engineers work at the intersection of product and infrastructure to solve key business problems with elegant technical solutions. You'll operate our backend services and architecture that support all product functionality and...

 Job Description: Job Title: Full Stack Software Engineer (TypeScript / Python / Java)Job Location: 100% Remote - CanadaJob Type: T4 ContractExperience: 3+ YearsRate: CAD 45 - 50 per hour Role Summary: NearSource Technologies is seeking a Full Stack Software Engineer to develop innovative tools, prototypes, and proof-of-concept...

### Who you are - You are a strong backend engineer with excellent fundamentals in distributed systems, databases, networking, operating systems, and security - You have strong programming fundamentals and experience building production systems in languages such as Go, Python, Java, C++, Rust, or similar. You write clean, maintainable, well-tested code and...

Job Title: Full Stack Software Engineer (TypeScript / Python / Java) Job Location: 100% Remote - Canada Job Type: T4 Contract Experience: 3+ Years Rate: CAD 45 - 50 per hour Role Summary: NearSource Technologies is seeking a Full Stack Software Engineer to develop innovative tools, prototypes, and proof-of-concept implementations that support strategic...

At Affirm, we exist for the moments that matter—giving people a clear, predictable way to pay over time, with no hidden fees, no surprises, and no tradeoffs on what matters most. The Data and Storage Services team is responsible for Affirm's data infrastructure across OLTP and OLAP systems, spanning critical online checkout databases, batch orchestration,...

Build scalable backend applications and integrate AI-powered workflows into complex financial services environments.   The Role At Capco, we’re looking for a Java Backend Engineer with practical experience building AI-powered applications, workflows, and automation solutions within complex financial services environments. This role combines strong Java...