Top Tech Jobs & Startup Jobs in Toronto

Design and deliver enterprise reporting APIs and Java-based data pipelines using Spring Boot, Oracle, ETL/ELT workflows, and event-streaming platforms. Responsibilities include API design, application development, testing, deployment, monitoring, security, SQL optimization, data warehousing, user support, risk assessment, and mentoring junior analysts. The role requires independent technical judgment and collaboration with business and technology stakeholders.

Leads hands-on data science and AI initiatives across modeling, Generative AI, agentic workflows, data engineering, governance, validation, and production deployment. Develops statistical and machine-learning solutions, RAG applications, evaluation frameworks, and scalable analytical services using Python and SQL. Partners with engineering, architecture, product, risk, and business teams while providing technical guidance, establishing standards, and ensuring responsible AI, privacy, security, and model-risk controls.

Develop and maintain a global Delta One execution platform for ETF trading. Responsibilities include Java architecture and development, requirements analysis, system design, testing, implementation, production support, workflow enhancement, data integration, documentation, and support-team training. The role collaborates with business analysts and development teams in an agile environment, communicates risks and progress, and supports low-latency trading technology across financial markets.

Develop and maintain scalable applications for the Operations Workbench platform. Responsibilities include hands-on software design, coding, testing, deployment, API and database development, cloud-native implementation, and application security. The role promotes engineering quality, participates in Agile/Scrum activities, collaborates with technical and business stakeholders, and contributes to reusable solutions and modern development practices.

Develop and deploy scalable enterprise applications for an Operations Workbench platform. Responsibilities include hands-on Java development, testing, Agile/Scrum participation, API and database work, cloud-native technologies, event-driven messaging, CI/CD, and collaboration with developers, QA, product owners, and architects. The role emphasizes engineering best practices, problem solving, operational workflow automation, and continuous learning.

Develop and maintain Java applications and microservices, participating across feasibility, design, development, testing, implementation, and production support. Analyze complex application and business problems, recommend programming and security solutions, collaborate with users and technology teams, and ensure development standards and controls. The role also provides technical guidance to junior analysts and requires independent judgment, risk awareness, and compliance with banking policies.

Leads hands-on data science and AI initiatives across statistical modeling, machine learning, Generative AI, agentic workflows, and production implementation. Builds RAG solutions, analytical pipelines, evaluation frameworks, and scalable model services while applying governance, privacy, explainability, fairness, and responsible AI controls. Partners with engineering, architecture, product, risk, and business teams; provides technical leadership, peer review, documentation, and implementation guidance.

Develop full-stack applications for next-generation markets technology using Java and front-end technologies. Responsibilities include end-to-end software delivery, pair programming, stakeholder collaboration, requirements analysis, risk identification, system design, architecture contributions, implementation, and quality assurance. The role emphasizes clean, maintainable code, event-driven design, databases, and enterprise software development, with preferred experience in DevOps, CI/CD, containers, Kubernetes, OpenShift, Kafka, and resilient systems.

Design and deliver secure, high-performing Java microservices and REST APIs supporting Citi’s global reference data platforms. Lead architecture decisions, establish coding and security standards, coordinate global engineering teams, and select development tools. The role involves enterprise application development with Spring, relational databases, messaging, cloud platforms, automated testing, and build tools. Preferred experience includes NoSQL, GraphQL, Angular or React, integration frameworks, shell scripting, API gateways, and CI/CD pipelines.

Leads architecture and hands-on development of low-latency, high-throughput risk platforms for global trading desks. Designs distributed Java systems, optimizes multithreaded performance, develops event-driven pipelines with Kafka and Solace, and coordinates integrations with trading, market data, clearing, and regulatory systems. Provides technical leadership, stakeholder advisory, architectural governance, mentorship, and adoption of AI-assisted engineering practices.