java backend engineer jobs in Toronto

A global leader in information services is looking for a Senior Software Engineer to join their AI-driven team in Toronto. This role involves designing backend services for innovative AI solutions focused on accounting workflows. The ideal candidate should have strong Python skills, experience with AI systems, and a passion for developing reliable software....

Outlier is seeking skilled contributors to build OpenClaw-like autonomous agent components. Remote freelance role with pay up to $50 USD/hour. You can set your own schedule, typically 5–10 hours/week, potentially up to 40 hours. Payments are made weekly and via multiple payment methods.Ideal candidates have 2+ years in backend engineering or AI automation...

Off2Class in Toronto, Canada, is seeking a Senior Back-End Developer to strengthen and extend its ESL platform. You will own server-side architecture, APIs, and data processing to support schools, teachers, and learners. You will collaborate with the Lead Developer and TPM to deliver scalable backend features, improve performance, and ensure reliable...

Outlier is seeking a skilled OpenClaw Agent Builder for remote freelance work. Shape autonomous agents, build and evaluate multi-step workflows, and help train LLMs with real-world tasks. Weekly payments and flexible hours are available.Ideal candidates bring 2+ years in backend engineering or AI automation, with experience deploying production-grade...

Select how often (in days) to receive an alert: Select how often (in days) to receive an alert: Please be advised that our Careers site will be unavailable from November 28 at 12am ET to November 29 12am ET for scheduled system maintenance. Title: Software Engineer, Java, Global Payments Engineering (Future Opportunities) Requisition ID: 272327 Join a...

Altis Technology is seeking an Application Modernization Specialist to lead modernization efforts for Java and Angular applications in a major higher-education tech transformation. You will assess legacy code, design upgrade paths, and collaborate with developers, DBAs and infrastructure teams to deliver scalable, secure modern software. The role requires...

Broadridge in Canada is seeking a skilled Java developer to design, develop, and support Java-based applications and APIs that process business transactions and enable reliable data exchange. You will work with Kafka messaging, monitor performance, troubleshoot issues, and collaborate with business and technology teams in a hybrid environment.The role...

Astra-North Infoteck Inc. in Toronto is seeking a Site Reliability Engineer (SRE) with Java, Spring Boot, REST APIs, and a passion for automation to strengthen our cloud services. You will automate toil, manage incidents, define SLOs, and build observability pipelines using Prometheus, Grafana, and other modern tools, collaborating across engineering teams...

Job Title Backend Engineer Python (API & Platform Engineering) Location Toronto, Ontario (Onsite) Experience 5-10+ years Role Overview We are seeking a skilled Python Backend Engineer to build and scale high-performance backend systems. This role focuses on API development, platform engineering, and system design for enterprise‑grade, secure, and scalable...

Overview The Backend Engineer on the AI Platform team plays a critical role in building and evolving the backend systems that power internal products, customer-facing capabilities, AI-enabled workflows, and operational decision-making across the organization. This role is responsible for designing, building, testing, and operating reliable, scalable, and...

About the Role As a Senior QA Automation Engineer – Java & Playwright, you will make an impact by developing scalable automation solutions and leading end-to-end testing activities for enterprise applications. You will be a valued member of the Quality Engineering team and work collaboratively with development teams, business stakeholders, and...

Build backend-heavy Java applications with React.js in Toronto, working three days weekly from the hybrid office. Apply Spring Boot expertise daily. This Full Stack Engineer role emphasizes Java/J2EE, Spring, and dependency injection frameworks. You will contribute across React.js, AngularJS, HTML5, CSS3, and CMS platforms including WordPress. The work also...

Makeitfable, Toronto-based, remote-first, seeks a Senior Software Engineer with deep backend expertise and strong full-stack skills to deliver AI-powered applications and agentic workflows. This senior individual contributor role reports to the Director of Engineering and values ownership and fast, reliable delivery. You will collaborate with Product,...

Terminal builds telematics data infrastructure for the commercial fleet industry from Toronto. You will own end-to-end backend systems, shaping APIs and platform components used by customers to access data from 330+ providers. Join a team that ships at scale, with in-person collaboration in downtown Toronto. Expect to work on TypeScript/Node.js services...

Shape innovative trading solutions as a Lead Senior Java Engineer with RBC. This role focuses on high-performing backend product development in cloud environments, driving key business values for clients. Join the RBC Wealth Management Technology team in this lead role, where you will collaborate with Solution Architects and Software Engineers to design...

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...

About Genius AI Genius AI is building technology to help local businesses run themselves. Genius AI products do the admin work that keeps practitioners from the work they love and the people they serve. From GlossGenius to Reception, its products work 24/7 on busywork like booking, marketing, client management, finances, staff and inventory management, and...

Staff Software Engineer, Backend Platform Toronto, Canada 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...

Build secure identity services at Affirm using Python or Kotlin while working remotely from eligible Canadian provinces. Authentication is central to this customer-facing engineering work. As a mid-engineering Software Engineer II in Information Security, you will contribute to customer identity and access management capabilities. You will develop backend...

Take your software engineering career to new heights with Asepha as a Senior Software Engineer in Toronto or New York. Focus on backend development and AI integrations that redefine medication management. As a key team member at Asepha, your role is integral to shaping our engineering direction and delivering innovative solutions in pharmacy technology....