Key responsibilities Develop, test and support real-time financial applications.

Troubleshoot performance, latency, data-flow and production issues.

Lead projects from requirements gathering through implementation.

Design real-time reporting and visualisation features.

Identify automation opportunities and operational risks.

Present solutions to senior stakeholders.

Contribute to shared UI standards and the wider frontend development community.

Core requirements Degree in Computer Science or a related field.

Strong Java

Script knowledge, including ES2020+, algorithms, data structures, concurrency and design patterns.

Experience with React, RxJS and Redux.

Experience building scalable, well-tested frontend platforms.





Knowledge of modern browser and PWA technologies such as Web Workers, Service Workers, IndexedDB, caching and Web

Sockets.

Solid communication, organisation and leadership skills.

Preferred experience Financial-services or Capital Markets experience.

Type

Script, Node.js, Java or Python.

Cypress, Playwright or Jest.

Docker, Kubernetes, Jenkins and modern Java

Script build tools.

Open

Fin, Electron, SQL, GraphQL, D3, AG Grid and related frontend technologies.

Agile, Scrum or Kanban experience.

Working arrangement: Hybrid, typically 2 3 office days per week on an alternating schedule.

📌 Senior UI Developer (Toronto)
🏢 MSZ SYSTEMS
📍 Toronto