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Backend Developer Canada, Toronto Jobs (Hybrid work)

6 Job Offers

Senior Java Backend Developer
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Senior Java Backend Developer sought for the Global Fixed Income Trade Processing team in Toronto. You will design and build large, distributed systems for high-volume trade capture, leveraging 4+ years of Java expertise and strong Fixed Income knowledge. This role demands independent problem-sol...
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Not provided
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Citi
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Until further notice
Lead Backend Developer
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Lead Backend Developer sought to architect scalable enterprise data platforms and applications for risk management in Mississauga/Toronto. Requires 5+ years in Java or Python, expertise in big-data ecosystems (Spark, Flink, Kafka), microservices, and cloud environments. Lead technical strategy, m...
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120800.00 - 170800.00 USD / Year
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Citi
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Until further notice
Lead Backend Developer
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Lead Backend Developer role in Mississauga/Toronto: design scalable enterprise data platforms using Java/Python, Spark, Kafka, and Kubernetes. Drive microservices, CI/CD, and hybrid cloud solutions while mentoring engineers. Requires 5+ years in OOP, REST APIs, big-data ecosystems, and proven tec...
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120800.00 - 170800.00 USD / Year
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Citi
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Until further notice
Java Backend Developer
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Join a high-performing team in Toronto as a Java Backend Developer. You will design and build scalable microservices and APIs using Java, Spring Boot, and AWS. The role requires 8+ years of backend experience and expertise in cloud architecture and CI/CD. Contribute to enterprise-level applicatio...
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45.00 USD / Hour
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Realign
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Until further notice
AWS Backend Developer
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Join our Toronto team as a Senior AWS Backend Developer. Design and build secure, scalable microservices and serverless solutions using Node.js, Python, and core AWS services. This hands-on role requires 7+ years of cloud development experience and offers strong ownership from design to deploymen...
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65.00 - 75.00 CAD / Hour
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Apex Systems
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Software Developer Intern, Backend
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33.00 CAD / Hour
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Robinhood
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Until further notice

About the Backend Developer role

Are you a logical problem-solver passionate about building the robust systems that power our digital world? Your search for rewarding backend developer jobs begins with understanding this critical and in-demand profession. A Backend Developer is the architect of the server-side logic, databases, and application programming interfaces (APIs) that form the foundation of any web application, mobile app, or software service. While users interact with the sleek frontend interface, it is the backend developer who builds and maintains the complex engine, ensuring everything runs smoothly, securely, and efficiently behind the scenes.

Professionals in backend developer jobs are responsible for the core functionality of an application. Their typical day involves writing clean, scalable code to handle business logic, designing and managing databases (both relational like PostgreSQL and NoSQL like MongoDB), and developing secure and well-documented APIs that allow the frontend to communicate with the server. They build the very infrastructure that processes user requests, performs complex calculations, manages data storage and retrieval, and ensures the seamless flow of information. This role is fundamental to creating applications that are not only functional but also fast, reliable, and capable of handling millions of users.

Common responsibilities for backend developers extend beyond just writing code. They are deeply involved in system architecture, often designing and implementing microservices—a modern approach where an application is built as a suite of small, independent services. They focus on performance optimization, ensuring low latency and high throughput for data-heavy operations. Security is a paramount concern, requiring them to implement robust authentication, authorization, and data protection measures. Furthermore, backend developers are integral to the entire software development lifecycle, participating in system analysis, creating technical documentation, writing unit and integration tests, troubleshooting complex issues, and deploying applications using CI/CD pipelines and containerization tools like Docker and Kubernetes.

To succeed in backend developer jobs, a specific and robust skill set is required. Proficiency in one or more server-side programming languages is essential, with common choices being Java (often with the Spring Boot framework), Python (with Django or Flask), C#, Node.js, or Go. A strong grasp of database technologies, including both SQL and NoSQL principles, is non-negotiable. Understanding architectural patterns like microservices and concepts like RESTful API design, concurrent programming, and distributed systems is highly valued. Familiarity with cloud platforms (such as AWS, Azure, or GCP), version control with Git, and container orchestration is increasingly standard. Beyond technical prowess, successful backend developers possess exceptional analytical and problem-solving skills, a meticulous attention to detail, and the ability to collaborate effectively with frontend developers, product managers, and other stakeholders. If you are ready to build the digital backbone of tomorrow, explore the vast array of backend developer jobs available and launch a career at the heart of technology innovation.