Freelance Java Swing Developer Jobs in Toronto, ON

The Senior UI/Angular Developer is responsible for participation in the establishment and implementation of new or revised application systems and programs for Par Loan Trading in Fixed Income Trading Services technology team. The overall objective of this role is to contribute to applications systems analysis and programming activities.

• Conduct tasks related to feasibility studies, time and cost estimates, IT planning, risk technology, applications development, model development, and establish and implement new or revised applications systems and programs to meet specific business needs or user areas
• Monitor and control all phases of development process and analysis, design, construction, testing, and implementation as well as provide user and operational support on applications to business users
• Utilize in-depth specialty knowledge of applications development to analyze complex problems/issues, provide evaluation of business process, system process, and industry standards, and make evaluative judgement
• Recommend and develop security measures in post implementation analysis of business usage to ensure successful system design and functionality
• Consult with users/clients and other technology groups on issues, recommend advanced programming solutions, and install and assist customer exposure systems
• Ensure essential procedures are followed and help define operating standards and processes
• Serve as advisor or coach to new or lower level analysts
• Has the ability to operate with a limited level of direct supervision.
• Can exercise independence of judgement and autonomy.
• Acts as SME to senior stakeholders and/or other team members.
• Appropriately assess risk when business decisions are made, demonstrating particular consideration for the firm’s reputation and safeguarding Citigroup, its clients and assets, by driving compliance with applicable laws, rules and regulations, adhering to Policy, applying sound ethical judgement regarding personal behavior, conduct and business practices, and escalating, managing and reporting control issues with transparency.

• 3+ years of hands‑on experience with Angular (version 15+ required).
• 3+ years of experience in Node.js, Docker, Web Services, and designing/implementing distributed architectures.
• Proven experience developing real‑time messaging systems (e.g., WebSocket), crucial for high‑performance trading applications.
• Strong understanding and practical application of Test‑Driven Development (TDD) principles.
• Proficient in using source control software, particularly Git.

• Solid and demonstrable understanding of Fixed Income and Derivative products, and the workflows of sales and trading desks.
• Knowledge of Oracle RDBMS, MSSQL, or Apache Pinot.
• Knowledge of technologies like .NET/WPF or Java Swing.
• 2+ years of experience with React (version 18+).

• Bachelor’s degree/University degree or equivalent experience.

Join our team to contribute to impactful projects that directly enhance the efficiency and effectiveness of our Fixed Income Sales and Trading desks, and advance your career in a dynamic environment.

This job description provides a high-level review of the types of work performed. Other job‑related duties may be assigned as required.

Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law.

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