Top Tech Jobs & Startup Jobs in Toronto

Design, implement, and deploy Java/Spring Boot microservices and single-page applications for an event-driven deal management platform. Participate in coding, peer reviews, CI/CD, performance tuning (MongoDB), testing (TDD/BDD), troubleshooting, and lead agile delivery efforts with product and DevOps partners.

Senior Developer/SRE will lead technical components, design and write object-oriented code, manage CI/CD (LightSpeed) pipelines, troubleshoot production issues, collaborate on shared codebases, apply networking/REST API/database/CLI knowledge, ensure software quality through reviews and testing, and mentor junior engineers.

Participate in application systems analysis and development, design and implement enhancements, test and debug, identify security vulnerabilities, support cloud-native and microservices solutions, consult with stakeholders, mentor junior analysts, and contribute to CI/CD and containerized deployments.

Lead and implement scalable backend Java applications for a global client onboarding platform. Design, develop, test, and deploy microservices and RESTful APIs; improve performance and reliability; mentor mid-level developers; partner with stakeholders to integrate systems and deliver compliant, secure solutions.

Provide L2 production support for data and client platforms in a 24x6 global follow-the-sun model: incident triage, escalation, SLA-driven communications, problem management, monitoring/automation (Grafana, ITRS Geneos), scripting-based automation (Shell/Python), SQL-based data investigations, change management, and mentoring SMEs while contributing to cloud migration and AI-assisted operations initiatives.

Lead design, implementation, and management of CI/CD, container platforms, IaC, and observability. Build pipelines with Tekton and Harness, administer OpenShift/Kubernetes, automate provisioning with Terraform/Ansible, and monitor systems with Prometheus/Grafana. Collaborate with development teams, ensure resiliency/scalability/security, drive platform strategy, perform root cause analysis, and enforce compliance and quality standards.

Design, build, and maintain scalable data pipelines and enterprise AI agents using Python, FastAPI, PySpark, Kafka, and Databricks. Deploy GenAI agents with Google ADK/Flash LLMs, build data federation and Data Mesh layers (Starburst), automate microservice integrations on cloud-native platforms (OpenShift/Kubernetes) with CI/CD, and integrate agentic tools (Devin.AI, GitHub Copilot, MCP) via prompt engineering. Ensure data quality, security, and regulatory compliance while improving data engineering processes.

Lead and manage Java development initiatives, ensuring high-quality application solutions while mentoring teams and overseeing architectural designs. Drive Agile delivery processes and system integrations while collaborating with stakeholders.

Develop and support Java applications for fixed-income trading technology. Responsibilities include feasibility analysis, system design, coding, testing, implementation, user support, security measures, risk assessment, and process improvement. The role advises business and technology stakeholders, mentors junior analysts, and serves as a subject matter expert. Required experience includes distributed Java/web applications, Spring-based frameworks, containers, virtualization, and real-time messaging systems.

Develop and support backend Java applications for Citi’s capital-markets platform. Responsibilities include system analysis, application design, coding, testing, implementation, production support, security improvements, risk assessment, and stakeholder consultation. The role requires independent problem solving, technical guidance for junior analysts, and collaboration across technology teams while maintaining compliance and operational standards.