Top Tech Jobs & Startup Jobs in Toronto

Design, develop, test, deploy, and maintain Java and Spring Boot backend services and microservices. Implement automated testing, CI/CD pipelines, deployment automation, secure coding practices, and version-control workflows. Troubleshoot production issues, contribute to code reviews, documentation, architecture modernization, and technical debt reduction. Collaborate with product, architecture, DevOps, QA, and technology teams in an Agile environment while supporting compliance and risk-management objectives.

Develop and support full-stack Java applications, including analysis, design, coding, testing, implementation, security, and production support. Build scalable microservices and single-page applications using Java, Spring Boot, React or Angular, SQL, Docker, and automated testing tools. Collaborate with business users and technology teams, assess risks, optimize performance, follow CI/CD practices, and mentor junior analysts. The role requires independent judgment, technical expertise, and experience delivering applications in high-availability environments.

Senior Full-Stack Java Engineer responsible for designing, developing, testing, deploying, and supporting enterprise applications. The role requires strong Java and Spring expertise, modern frontend development with JavaScript or TypeScript and React, relational and NoSQL database experience, and CI/CD knowledge. Responsibilities include architecture alignment, security remediation, performance optimization, code reviews, Agile collaboration, technical mentoring, production support, and end-to-end delivery of complex features in a financial services environment.

Leads application development and systems analysis initiatives, partnering with management and technology teams to deliver system enhancements and process improvements. Provides advanced programming, architecture, coding, testing, debugging, and implementation expertise. Resolves complex business and technical problems, advises on risks and compliance, and mentors developers and analysts. The role also manages priorities, supports successful projects, and ensures applications align with architectural standards and business objectives.

Leads application development and systems analysis, coordinating technology teams to implement enhancements, improve processes, and maintain architectural standards. Resolves complex systems and business-process issues, establishes coding and testing standards, evaluates risks, and develops innovative solutions. Acts as a subject matter expert and mentors mid-level developers and analysts while supporting successful project delivery and regulatory compliance.

Lead architecture and hands-on development of enterprise-scale backend services in Java. Define scalable microservices and REST APIs, implement identity and access management (OAuth2/OpenID Connect), optimize performance, integrate content providers, mentor senior engineers, and lead incident resolution and root-cause analysis for critical production systems.

Supports strategic planning, business analysis, financial and workforce analysis, governance, process improvement, and portfolio management for a Fixed Income Technology organization. Partners with Technology, Finance, and business stakeholders to analyze requirements, budgets, resources, risks, and performance. Develops business cases, dashboards, executive presentations, and recommendations while tracking strategic initiatives, dependencies, milestones, benefits, and outcomes.

Supports strategic planning, business analysis, financial and workforce analysis, process improvement, governance, and portfolio management within a Fixed Income Technology organization. The role gathers requirements, analyzes budgets and resources, develops business cases, prepares executive reporting, tracks strategic initiatives, monitors risks and dependencies, and facilitates stakeholder alignment across Technology, Finance, and Business teams.

Build and oversee robust full-stack applications for OTC derivatives within Markets Technology. Responsibilities include participating across the SDLC, reviewing technical solutions, shaping application-development strategies, collaborating with product, business, and support teams, managing risks and controls, and strengthening engineering culture. The role requires Java and modern web development expertise, cloud and distributed-systems experience, leadership, stakeholder management, and strong communication skills.

Develop and own front-end and full-stack web applications for Citi’s trade processing platform. Build React and HTML5 interfaces, modernize legacy UI components, integrate .NET/C# services, and ensure automated testing, security, compliance, and design quality. Responsibilities include requirements analysis, implementation, technical recommendations, production support, stakeholder consultation, risk assessment, process standards, and mentoring junior team members. The role supports capital markets applications and requires independent judgment and collaboration across technology and business teams.