Quick Summary
Venture outside the ordinary - TMX Careers The TMX group of companies includes leading global exchanges such as the Toronto Stock Exchange, Montreal Exchange,
The TMX group of companies includes leading global exchanges such as the Toronto Stock Exchange, Montreal Exchange, and numerous innovative organizations enhancing capital markets. United as a global team, we’re connecting cross-functionally, traversing industries and geographies, moving opportunity into action, advancing global economic growth, and propelling progress. Through a rich exchange of ideas, meaningful collaboration, and a nimble operating model, we're powering some of the nation's most critical systems, fueling capital formation and innovation, bringing increased opportunity to business visionaries, product ingenuity to consumers, and career exploration to our team.
The role of the Senior Application Developer is to provide advanced technical and process oriented skills/knowledge, supported by good communication skills, in the development and support of mission critical business system applications.
Application development activities are conducted throughout the entire project life cycle and subsequent production support. The development stages range from project concept through architecture & design, construction, testing, implementation and support.
Analyze business requirements and use appropriate technologies (e.g. Object Oriented) to produce component, subsystem, and application level design.
Develop high performance and sustainable applications focusing on reusable components, stable interfaces, common libraries, etc.
Design and implement tools and drivers to confirm data consistency, measure the processing speed, and verify the system functional accuracy
Preparation of application operational/procedural documentation for users and technical support staff. Documentation to be produced according to divisional standards
Conduct/participate in design and code reviews, identify language related problems and performance issues, provide feedback and corrections related to online documentation, evaluate code compliance to enterprise and project standards
Occasionally provide 3rd level application support with rotational 7/24 pager duties to ensure mission critical application availability meet Service Level Agreements
Code management of release deliverables
Ongoing application support / maintenance including bug fixes, application enhancements, capacity, performance and disaster recovery testing and various ad hoc requests
Leadership and guidance of other development staff on various development assignments
Act as a technical liaison with various other business and technical groups, support coordination of activities to achieve successful task completion targets
Perform assessments and provide input to technical viability and cost efficiency of various project proposals
Provide assistance to management in the identification, scoping, estimation, scheduling, monitoring and delivery of various application deliverables
Maintain an understanding of current computer technologies and industry related applications with a particular focus on the securities industry. Keeps abreast of TSX and industry market directions and policies, regulations and future development plans
University degree in computer science or an equivalent combination of education and work experience
Solid experience and proficiency in developing both real-time transaction and batch processing concepts and techniques
Minimum five (5) years working experience in UNIX, Linux, C++, Java, C, SQL, Perl, and OO analysis and design
Ability to work independently and in collaboration with peers, business rules specialists and partners
Organized, focused and persistent – ability to work to the plan and meet delivery dates
Good interpersonal skills, verbal and written communication skills
Ability to manage and balance multiple concurrent assignments
Knowledge of TMX real-time market data feeds is an asset
Securities industry knowledge or Canadian Securities Course completion would be an asset
Please note that the salary range included is a guideline only. The salary offered may vary based on factors, including, but not limited to, the successful candidate’s relevant knowledge, skills, and experience.
The recruiting efforts for this role are intended to fill a vacant position.
Nice to Have
~1 min readPlease note that our company is not currently sponsoring work permit applications and the applicant must be authorized to work in the country where this position is located.
TMX is committed to creating and sustaining a collegial work environment in which all individuals are treated with dignity and respect and one which reflects the diversity of the community in which we operate. We provide accommodations for applicants and employees who require it.
Location & Eligibility
About this job
- Who can apply
- Canada
- Posted
- 9 days ago
Listing Details
- Posted
- October 29, 2026
- First seen
- November 7, 2026
- Last seen
- November 7, 2026
Posting Health
- Days active
- 0
- Repost count
- 0
- Trust Level
- 28%
- Scored at
- November 7, 2026
Signal breakdown
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