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Market Data Sr Developer - Python - Assistant Vice President

Job in Mississauga, Ontario, Canada
Listing for: 08763 Citi Canada Technology Services ULC
Full Time position
Listed on 2026-06-04
Job specializations:
  • Software Development
    Full Stack Developer, Software Engineer, Backend Developer, Cloud Engineer - Software
Job Description & How to Apply Below
Position: Market Data Sr Developer - Python and.Net - Assistant Vice President

The Fixed Income Technology team is a dynamic and fast-paced group responsible for developing and maintaining the trading, pricing, and risk management systems that support the firm's global Fixed Income business. We work directly with traders, quantitative analysts, and risk managers to deliver innovative solutions that provide a competitive edge in the market. Our mission is to build robust, scalable, and high-performance applications that are critical to the success of the business.

We are seeking a talented and highly motivated Senior Full Stack Developer to join our team. In this role, you will be responsible for the end-to-end design, development, and deployment of sophisticated applications for the Fixed Income trading desk. The ideal candidate is a passionate technologist with a strong command of both front-end and back-end development, comfortable working with complex financial data and demanding real-time requirements.

You will play a key role in building the next generation of our marketdata platform, from the user interface down to the database.

Key Responsibilities

Application Development
:
Design, build, test, and deploy high-quality, scalable, and robust full-stack applications for Fixed Income trading, and risk management.

Front-End Development
:
Create intuitive, responsive, and high-performance user interfaces using modern web technologies (, React, Angular) to visualize marketdata and workflows.

Back-End Development
:
Develop resilient server-side logic, microservices, and APIs to handle trade processing, data management, and integration with various internal and external systems.

Collaboration
:
Work closely with traders, quants, and business analysts to gather requirements, understand complex financial workflows, and translate them into technical solutions.

System Design
:
Participate in architectural design discussions and contribute to the overall vision and strategy for the technology platform.

Code Quality
:
Write clean, maintainable, and well-documented code. Participate in code reviews to ensure high standards of quality and consistency.

Database Management
:
Design and manage database schemas and write efficient queries for both SQL and No

SQL databases.

Production Support
:
Provide timely support for production applications, troubleshoot issues, and ensure system stability and performance.

Agile Practices: Actively participate in an Agile development environment, including sprint planning, daily stand-ups, and retrospectives.

Required Skills and Qualifications

Education
:
Bachelor’s or Master’s degree in Computer Science, Engineering, or a related technical field.

Experience
: 8+ years of professional experience in software development, with a proven track record as a Full Stack Developer.

Front

- End
:

Strong proficiency in JavaScript/TypeScript, HTML5, and CSS
3.

Hands-on experience with at least one modern front-end framework (, React, Angular).

Back-End
:

Strong proficiency in a server-side language C# (.NET Core) and Python (Intermediate knowledge) is required.

Having coding experience in Java (Spring Boot) is a bonus.

Experience designing and building RESTful APIs and microservices.

Databases
:

Solid experience with relational databases (Postgre

SQL, SQL Server, Oracle) including schema design and query optimization.

Experience with No

SQL databases (Mongo

DB, Redis, Cassandra).

Dev Ops
:

Proficiency with version control systems, primarily Git.

Experience with CI/CD pipelines and tools (Jenkins, Tekton, Harness).

Familiarity with containerization technologies like Docker and orchestration with Kubernetes.

Soft Skills
:

Excellent problem-solving and analytical skills.

Strong communication and interpersonal skills, with the ability to work effectively with both technical and non-technical stakeholders.

Ability to work under pressure in a fast-paced environment.

Preferred Qualifications

Domain Knowledge
:
Prior experience in Financial Services, particularly within Fixed Income (Bonds, Swaps, Futures, Options) or other capital markets domains.

Cloud Computing
:
Experience with developing and deploying applications on a major cloud platform (AWS, Azure, GCP).

Messaging Systems
:

Experience with real-time messaging…

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