Top Tech Jobs & Startup Jobs in Toronto

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.

Leads global HR partnership and service delivery for assigned client groups. Manages HR teams across geographies, coaches managers, oversees employee relations, partners with HR advisors and centers of excellence, and executes global HR priorities. Directs HR strategy, policy development, compliance, organizational capability, talent processes, and service improvements while advising business leaders and managing complex HR issues.

Leads Java application development, systems analysis, programming, and software design within established architecture standards. Partners with management and technology teams to deliver system enhancements, products, and process improvements. Resolves complex application and business-process issues, establishes coding and testing standards, assesses risk and compliance, and advises or coaches mid-level developers and analysts. Requires advanced Java expertise, project leadership, and strong communication skills.

Own Citi’s Canadian domestic payments portfolio across real-time, batch, and legacy rails. Define product strategy, manage P&L and commercial growth, lead product teams, oversee modernization initiatives, and represent Citi with regulators and industry bodies. The role requires deep expertise in Canada’s payments ecosystem, including ACSS, Real-Time Rail, Interac, risk governance, operational resilience, and regulatory compliance.

Manages moderately complex internal audits and assessments of risk and control environments. Develops audit reports, reviews business monitoring summaries, leads reviews, manages audit activities and teams, advises on change initiatives, and recommends solutions for risk and control issues. The role requires collaboration with business leaders, application of audit standards and regulations, and expertise in technology and cybersecurity controls.

Develop and support sophisticated client-side applications for a rates trading technology team. Responsibilities include designing scalable UI architecture, coding and testing web applications, integrating streaming feeds and REST APIs, collaborating with trading desks, improving SDLC practices, delivering complex projects, and providing third-line production support. The role also requires technical analysis, risk and compliance awareness, innovation, and understanding of financial derivatives.

Architect and develop scalable Python backend systems for financial risk and intelligence platforms. Apply Generative AI, prompt engineering, token optimization, and RAG to analyze multimodal financial communications and derive trading and risk insights. Build resilient APIs on Kubernetes, research emerging LLM technologies, and collaborate with quantitative, product, risk, and compliance teams. Responsibilities include testing, code reviews, CI/CD, system documentation, and production deployment at global enterprise scale.

Develop and maintain Java Spring Boot microservices, REST APIs, Angular applications, and Kafka-based event-driven systems for lending workflows. Deploy and operate containerized applications on AWS ECS, manage GitHub-based CI/CD, configure batch scheduling, support relational and NoSQL databases, and enforce application security. Participate across the software development lifecycle, provide production support, establish engineering standards, and collaborate with technical and business stakeholders in an Agile environment.

Leads UI/UX application development for Citi’s global Fixed Income Trade Processing platform. Responsibilities include designing and implementing robust, testable code; improving reliability, scalability, and performance; supporting microservices and CI/CD modernization; resolving complex technical problems; ensuring architectural alignment and regulatory compliance; and coaching mid-level developers. The role requires advanced web development expertise using HTML5, JavaScript, React, and Node.js, with financial products and AI development tools as beneficial experience.

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.