Senior UI Developer in Mississauga

We are seeking a highly skilled and experienced Senior Application Developer to join our dynamic Rates Technology team. This position is responsible for the design, development, and implementation of new and revised application systems and programs. The candidate will perform in-depth application systems analysis and programming, collaborating closely with various technology and business teams globally to deliver robust and efficient software solutions. The primary objective of this role is to drive innovation and technical excellence within our trading application landscape.

Responsibilities:

• Role Overview and Key Responsibilities: As a Senior Application Developer, you will be at the forefront of our technology initiatives, contributing directly to the systems that support our Rates trading business. Your primary duties will involve a combination of hands-on UI development and system design.
• Core Activities:
• Business Collaboration: You will work in close partnership with the Rates trading desks to thoroughly understand their requirements and workflow challenges. A key part of your role will be to translate these complex business needs into intuitive, efficient, and user-centric UI designs.
• UI Development: You will be responsible for designing scalable Web UI architecture, writing high-quality code, and conducting comprehensive testing to ensure functionality meets business specifications.
• Process Improvement: You will actively contribute to the continual improvement of our software development lifecycle (SDLC). This involves refining development methodologies, enhancing code quality standards, and adopting best practices to increase efficiency and product reliability.
• Project Delivery: Leveraging your hands-on development skills and deep technical expertise, you will play a major role in delivering large-scale, complex technology projects from conception through to deployment.
• Production Support: You will serve as a third-line support contact for the production system, handling escalated issues that require deep technical analysis.
• Detailed Responsibilities:
• Technical Analysis: Meticulously review and analyze proposed technical solutions for new and existing projects to ensure they are robust, scalable, and aligned with architectural standards.
• Business Integration: Develop a comprehensive knowledge of how different areas of the business integrate and function to accomplish strategic goals, ensuring that technology solutions enhance these processes.
• Innovation: Actively impact the future of Applications Development by identifying opportunities for innovation, researching emerging trends, and adapting cutting-edge technologies to deliver best-in-class software solutions.
• Standards and Procedures: Ensure all essential development and operational procedures are strictly followed.
• Risk and Compliance Management: Appropriately assess risk when making business and technical decisions, giving particular consideration to the firm’s reputation and the safeguarding of Citigroup, its clients, and its assets. Drive compliance with all applicable laws, rules, and regulations by adhering to company policies and applying sound ethical judgment in all personal and business conduct.

Knowledge and Experience:

• Development Experience: A minimum of 6+ years of in-depth professional development experience, with a dominant focus on building sophisticated client-side applications.
• Client-Side Technologies: Extensive, hands-on experience in modern client-side development, including expert-level proficiency in Angular/ReactJS, JavaScript, HTML5, ES6+, TypeScript, and reactive programming paradigms (e.g., RxJS).
• API and Data Integration: Proven experience with high-throughput, low-latency systems, including the design and integration of streaming data feeds and RESTful APIs.
• Core Technology Stack: Extensive practical experience with a range of essential back-end and middleware technologies, specifically including Kafka, Solace, and MongoDB.
• DevOps and Deployment: Demonstrable experience with modern CI/CD pipelines and tools, such as Tekton, and container orchestration platforms like OpenShift and Kubernetes.

Professional Skills:

• A self-starting individual with prior experience working in a fast-paced, desk-facing role within a financial services environment.
• Exposure to and appreciation for software quality techniques such as Test-Driven Development (TDD) and application performance profiling.
• A strong mathematical aptitude and a genuine ambition to learn the complex mathematics associated with financial derivatives.
• Excellent aptitude for analysis and a methodical, effective approach to problem-solving.
• Consistently demonstrates clear and concise written and verbal communication skills.
• High attention to detail, strong self-motivation, and a persistent willingness to learn and adapt.

Business Knowledge: Prior knowledge of the Rates Derivatives business is preferred and will be a significant advantage.

Education: Bachelor’s degree/University degree or equivalent experience. Master’s degree preferred.