Top Tech Jobs & Startup Jobs in Toronto

Senior Java engineer responsible for architecting and delivering large-scale Credit Risk and Capital Markets platforms. The role leads modernization from monoliths to cloud-native microservices, cloud migration, distributed data processing, and high-availability systems. Responsibilities include technical ownership, architectural decisions, production delivery, collaboration across global teams, mentoring engineers, and evaluating AI-assisted development tools. Requires deep Core Java expertise, distributed systems knowledge, database experience, and Capital Markets domain expertise.

Develop and maintain scalable automated testing solutions for complex applications and trading platforms. Responsibilities include UI, API, service-level, and database validation; test strategy and planning; CI/CD integration; continuous test execution; risk assessment; and collaboration with global business, development, and QA teams. The role also mentors junior engineers, advises stakeholders, supports application implementation, and independently manages quality engineering projects.

Develop and maintain scalable, cloud-native applications for a financial services Operations Workbench platform. Design robust Java solutions, implement event-driven architectures, collaborate within an Agile/Scrum team, promote engineering best practices, and partner with business and technical stakeholders. The role requires expertise in Kubernetes, Docker, Kafka, databases, APIs, application security, and CI/CD, with opportunities to apply emerging technologies and improve operational efficiency.

Develops and supports Java applications and batch systems for Citi’s capital markets technology organization. Responsibilities include feasibility analysis, system design, coding, testing, implementation, performance tuning, security improvements, production support, and agile enhancements. The role collaborates with business and technology stakeholders, provides advanced programming solutions, manages risks and controls, follows development standards, and coaches junior analysts. Technologies include Java, Spring, Kafka, microservices, Kubernetes, Docker, databases, and CI/CD tooling.

Leads HR business execution across financial planning, workforce strategy, technology investment, reporting, and operational administration. Advises HR leadership by translating financial and workforce data into decisions, oversees budgeting and forecasting, evaluates technology investments, manages cross-HR initiatives, and ensures reporting accuracy, compliance, and risk transparency. The role also manages real estate planning, onboarding and offboarding, workforce requests, and a globally distributed team of 5–6 direct reports.

Leads a complex Internal Audit function focused on Finance Controllers, SOX, SEC reporting, accounting policy, reconciliations, controls, and governance. Manages audit professionals across locations, budgets, stakeholder relationships, regulatory issue validation, risk assessments, and business initiatives. Identifies control issues, recommends solutions, delivers assurance and committee reporting, and drives continuous improvement in audit methods and technology. Requires extensive international banking audit experience, strong financial reporting expertise, leadership capabilities, and senior stakeholder management.

Develops and supports ETL applications and data pipelines across legacy and modern platforms. Responsibilities include systems analysis, design, construction, testing, implementation, operational support, troubleshooting ETL processes and SQL workloads, performance tuning, and continuous improvement. The role requires expertise in ETL architecture, data warehousing, Unix scripting, Oracle or MySQL, application integration, and database development, with exposure to streaming technologies and modern languages such as Spark, Scala, Java, or Python.

Develop production-grade backend systems and risk algorithms using Python, Generative AI, prompt engineering, and RAG. Deploy scalable services on Kubernetes, optimize token usage, process conversational data, and deliver unit-tested, continuously integrated software. Collaborate with cross-functional teams to design platform features, evaluate emerging AI technologies, document systems, and support reliable production operations. Requires 4+ years of Python backend development experience and a bachelor's degree or equivalent experience.

Leads engineering excellence across Citi’s global technology organization by championing engineering culture, operationalizing DORA metrics, driving software delivery improvements, and managing large-scale technical and cultural change. The role remains hands-on through code reviews, design discussions, and prototyping, while integrating AI into engineering practices, coordinating concurrent initiatives, and communicating technical strategies to senior stakeholders.

Leads strategic sourcing and procurement for Citi Commerce Media, developing sourcing strategies, negotiating commercial terms, managing supplier and retailer relationships, and driving contract execution. Builds scalable contracting, vendor management, governance, and onboarding processes for advertisers, agencies, technology platforms, data providers, and measurement partners. Partners with Legal, analytics, and business teams to manage risk, compliance, supplier selection, category strategy, and commercial performance.