Top Tech Jobs & Startup Jobs in Toronto

Provides first-line technical and business support for Citi applications used by spread-products trading teams. Responsibilities include troubleshooting user issues, coordinating with technology partners and vendors, supporting releases and disaster recovery testing, performing post-release checks, maintaining documentation, assessing application risks, and contributing to stability and process-improvement initiatives. The role requires independent judgment, stakeholder communication, financial-markets awareness, and adherence to technology controls and regulatory policies.

Design and build Java-based microservices for global reference data platforms. Drive architecture decisions, develop REST APIs and secure cloud-ready applications, establish coding and architecture standards, collaborate with distributed engineering teams, and mentor engineers. The role requires expertise in Java, Spring technologies, databases, messaging, cloud platforms, testing, and secure software development.

Provides production and application support for Citi’s critical eFX applications. Responsibilities include monitoring, issue resolution, risk reconciliation, stability improvements, release support, documentation, contingency planning, incident escalation, and stakeholder coordination. The role partners with development, infrastructure, business, and vendor teams, supports application enhancements, identifies risks and vulnerabilities, and coaches junior analysts. Foreign Exchange or markets support experience is preferred.

Lead architecture and end-to-end delivery of mission-critical, cloud-native distributed systems. Design microservices and event-driven platforms, develop Java and Spring services, establish engineering standards, mentor senior engineers, and guide design reviews. Partner with SRE and platform teams on Kubernetes, CI/CD, infrastructure as code, observability, security, compliance, data integration, and operational excellence. Translate business needs into technical roadmaps and communicate architecture decisions across technical and non-technical stakeholders.

Develop and maintain enterprise full-stack applications using Java Spring Boot, React.js, and TypeScript. Design microservices, RESTful APIs, and MCP services for AI agents; deploy cloud-native solutions using AWS, Kubernetes, OpenShift, Docker, S3, and Oracle. Collaborate with cross-functional teams, conduct systems analysis, ensure secure and maintainable software, support production applications, assess risks, and mentor junior developers.

Leads Markets data risk execution, including data quality issue management, governance, control implementation, reporting, remediation, and risk assessment. Partners with trading businesses, risk, finance, and governance stakeholders to resolve issues, meet regulatory requirements, and improve data controls. Serves as a subject matter expert while applying advanced SQL, Tableau, Python, and data analytics to support Markets data quality and regulatory initiatives.

Designs, deploys, maintains, and supports infrastructure, middleware, connectivity, and hardware for FX electronic trading applications. Provides technical leadership, performance engineering, L3 production support, and infrastructure design across global application teams. Leads migrations, replatforming, releases, and small projects while collaborating with developers, DevOps, business, and production support teams. Serves as a local infrastructure subject-matter expert and lead engineer.

Develop and implement new or revised applications, supporting feasibility analysis, estimation, planning, design, testing, implementation, and operational support. Analyze complex application and business-process issues, recommend programming solutions, establish security measures and operating standards, and assess risk. The role also advises stakeholders, coaches junior analysts, supports users, and operates independently while ensuring compliance with applicable policies and regulations.

Leads product strategy and delivery for a global corporate actions data platform. Responsibilities include defining product vision, roadmaps, requirements, epics, user stories, and backlogs; modeling and validating data; designing web and API interfaces; governing golden-copy and vendor hierarchy rules; coordinating providers, technology, operations, and business stakeholders; driving automation and AI-ready data initiatives; and overseeing testing, training, releases, and platform adoption.

Lead hands-on development of Citi’s production-grade, multi-tenant AI platform. Build full-stack AI components, intelligent agent orchestration, Model Context Protocol servers, advanced retrieval-augmented generation pipelines, and vector/graph database integrations. Partner with subject matter experts and UI/API teams to deliver scalable enterprise automation. The role requires technical leadership, production AI engineering experience, AWS expertise, and ownership of complex platform delivery.