Top Tech Jobs & Startup Jobs in Toronto

Leads engineering activities spanning hardware, software, network infrastructure, system integration, controls, compliance, and technology roadmap development. Serves as a technology subject matter expert, defines system enhancements, recommends integrations, diagnoses root causes, assesses risk, mentors engineers, and drives operational improvements. The role requires strong backend programming, infrastructure, CI/CD, containerization, analytics, project management, communication, and experience in complex financial-services environments.

Leads engineering activities spanning hardware, software, network infrastructure, systems integration, controls, compliance, and technology roadmaps. Acts as a technology subject matter expert, defines system enhancements, recommends customizations, diagnoses root causes, assesses risk, and mentors junior staff. The role requires backend programming, databases, networking, REST APIs, CI/CD, containerization, analytics, project management, and process improvement experience in complex environments.

Provides senior technical and business support for production applications, ensuring stability, availability, functionality, and adherence to service levels. Responsibilities include monitoring, risk reconciliation, issue resolution, release support, contingency planning, documentation, risk assessment, and coordination with technology teams, vendors, users, and traders. The role leads stability and efficiency initiatives, advises stakeholders, coaches junior analysts, and independently manages complex application support issues.

Develop and maintain full stack applications for Citi’s Oracle Ledger Program using Java, Angular or React, REST APIs, and Selenium. Lead software delivery from analysis through implementation, provide advanced L3 production support, resolve complex issues, collaborate with business and technology teams, uphold engineering standards, and mentor developers within a global delivery model.

Design and build scalable Java backend systems, architect microservices and REST APIs, write and review production code, lead development initiatives, establish coding standards, mentor engineers, and guide technical strategy. The role also involves evaluating technologies, collaborating with product stakeholders, and applying emerging AI and machine learning tools to improve engineering practices and system design.

Lead the design, development, testing, deployment, and support of enterprise Java applications. Provide technical leadership, architecture guidance, feasibility estimates, security and compliance recommendations, and process improvements. Build cloud-native distributed systems using Java, Spring Boot, databases, messaging platforms, and CI/CD pipelines. Mentor developers, collaborate with business and technology teams, and drive end-to-end delivery using Agile and DevOps practices.

Develops and supports Oracle database and application systems, including feasibility analysis, design, testing, implementation, troubleshooting, performance tuning, and user support. The role evaluates complex application issues, develops PL/SQL solutions, recommends security measures, establishes operating procedures, advises stakeholders, and coaches junior analysts. It requires independent judgment, risk assessment, project participation, and compliance with applicable policies and regulations.

Develop and optimize a low-latency equities electronic trading platform, primarily the Smart Order Router. Design routing logic, venue analysis, and distributed microservices; lead technical discussions and code reviews; collaborate with product, quantitative research, and technology teams; improve testing and deployment; and maintain monitoring, reconciliation, and recovery solutions. The role also requires strong attention to compliance, risk management, system performance, and resiliency.

Leads complex technology projects and business analysis initiatives, translating stakeholder needs into system requirements and specifications. Evaluates technology solutions, manages risks, oversees timelines across interconnected applications, and drives data-informed decisions. Serves as a liaison between business and technology teams while mentoring staff and coordinating resources. Requires strong business analysis, project management, SDLC, Excel, communication, and organizational skills, with financial services experience preferred.

Lead applications systems analysis and development for Big Data platforms. Partner with management to define enhancements, resolve complex issues, enforce coding/testing standards, coach mid-level developers, and ensure compliance and risk management.