Senior Backend Java Developer Location: Toronto, ON, Contract: 6 months, with potential for extension Employment Type: Contract We are seeking an experienced Senior Backend Java Developer to join a large enterprise technology environment working within Agile delivery teams. This role is ideal for a senior developer with deep expertise in modern Java and Spring Boot who can contribute to complex backend solutions, provide technical guidance, and work closely with Product Owners, Architects, Delivery Managers, QA teams, and other stakeholders. The successful candidate will work across modern and legacy environments, leveraging technologies including microservices, APIs, cloud platforms, CI/CD, AI-enabled development workflows, and enterprise data platforms.

Collaborate with Product Owners, Delivery Managers, SMEs, Architects, and technical teams to develop and recommend technical solutions.

- Assess user stories during each sprint, evaluate feasibility and complexity, recommend technical approaches, and identify potential challenges and impacts.
- Design, develop, and deliver high-quality backend solutions within established sprint and project timelines.
- Develop and automate unit and functional testing to ensure solutions align with business and technical requirements.
- Partner closely with QA teams on functional, regression, and performance testing.
- Evaluate the performance impact of new solutions, code, and interfaces and implement approaches that maximize system performance and user experience.
- Apply Agile principles and DevOps practices throughout the software development lifecycle.
- Provide second-line support for existing applications running across OpenShift, Linux, and Mainframe environments. 10+ years of professional Java development experience.




- Expert-level knowledge of modern Java, including Java 17, 21, and/or 25 , with strong coding and troubleshooting capabilities.
- Hands-on experience with CI/CD pipelines and GitHub Actions .
- Experience developing automated unit and functional tests.
- Hands-on experience with AI tools and agentic workflows , including using AI to improve development quality and delivery speed.
- Experience with MCP, microservices, OAuth 2.0, SQL, object-oriented programming, design patterns, and application security .
- Strong understanding of Agile development practices and rapid delivery environments.
- Robust analytical skills with excellent attention to detail and gap analysis capabilities.
- Knowledge of IBM Master Data Management (MDM).
- Experience supporting Mainframe or J2EE applications.
- Front-end UI development experience.
- Experience with technologies such as Kafka, Maven, DB2, MongoDB, Elasticsearch, OpenShift, PCF, Linux/AIX, and Mainframe environments .
- Experience with development and monitoring tools including Eclipse, IntelliJ, VS Code, Dynatrace, Postman, SoapUI, ServiceNow, Kibana, Apigee, and Vault .
- Familiarity with DevOps and collaboration tools including GitHub, UrbanCode Deploy, Helios Pipeline, Snyk, SonarQube, Aqua, JFrog Artifactory, Jira, Confluence, and Mural . Advanced backend Java development • AI-assisted software development and agentic workflows • CI/CD and DevOps • Application performance and troubleshooting • Agile delivery • Strong technical problem-solving • If you are a Senior Java Developer with strong Spring Boot, microservices, API, CI/CD, and modern AI development experience, we would like to hear from you. Apply directly or reach out to learn more about this opportunity.

📌 Senior Java Backend Developers (Toronto)
🏢 Infotek Consulting
📍 Toronto