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Senior Quantitative Developer Jobs in Ontario (NOW HIRING)

P@thlion Staffing Careers

... quantitative data for evidence‑based decision‑making * Facilitates dialogue and discussion ... Experience with DevOps tools such as GitHub, Jira and Jenkins * Experience with Cloud solution ...

Jay Analytix

UI React Developer (QTS)

Toronto, ON · Hybrid

We are seeking a UI React Developer with strong Redux experience to join the Quantitative and ... Demonstrate project implementations to key stakeholders, including senior management, executives ...

Jay Analytix

UI React Developer (QTS)

Toronto, ON · On-site

We are seeking a UI React Developer with strong Redux experience to join the Quantitative and ... Demonstrate project implementations to key stakeholders, including senior management, executives ...

DAC Group

Senior Data Scientist

Toronto, ON

... quantitative research * Demonstrated track record of developing and implementing analytical ... Expert-level proficiency in statistical programming (Python or R) with ability to write production ...

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Senior Quantitative Developer information

What is a senior quantitative developer?

A Senior Quantitative Developer is an experienced professional who combines advanced programming skills with deep knowledge of mathematical and statistical modeling to design, implement, and optimize complex financial algorithms and trading systems. They work closely with quantitative analysts and traders to translate mathematical models into efficient, production-ready code, often focusing on areas such as risk management, pricing, and market data analysis. In addition to strong coding abilities, typically in languages like C++, Python, or Java, they are expected to have expertise in financial markets, data structures, and performance optimization. Senior Quantitative Developers often mentor junior team members and contribute to the strategic direction of technology and model development within their firm.

What are the key skills and qualifications needed to thrive as a senior quantitative developer?

To thrive as a Senior Quantitative Developer, you need a strong background in mathematics, statistics, computer science, and financial theory, typically supported by an advanced degree in a quantitative field. Proficiency in programming languages such as Python, C++, or Java, and experience using quantitative libraries, databases, and version control systems are essential, alongside knowledge of relevant industry tools like MATLAB or R. Strong problem-solving skills, attention to detail, and the ability to communicate complex concepts clearly are crucial soft skills for this role. These abilities enable effective development and implementation of quantitative models, ensuring robust financial analysis and supporting critical business decisions.

How does a senior quantitative developer typically collaborate with quantitative researchers and traders?

A Senior Quantitative Developer works closely with quantitative researchers to translate their mathematical models into robust, production-ready code. They also partner with traders to understand their workflow needs and ensure that trading systems are reliable, efficient, and responsive to market conditions. Effective communication is key, as the developer must bridge the gap between research insights and operational trading platforms. This collaboration often involves iterative feedback, rapid prototyping, and ongoing support to adapt systems to new strategies or market data.

What is the difference between Senior Quantitative Developer vs Quantitative Analyst?

AspectSenior Quantitative DeveloperQuantitative Analyst
Required CredentialsAdvanced degrees in math, finance, or computer science; programming skillsSimilar educational background; strong analytical skills
Work EnvironmentDevelops trading algorithms, implements models, collaborates with tech teamsPerforms data analysis, risk assessment, supports trading strategies
Employer & Industry UsageFinancial firms, hedge funds, investment banksAsset management firms, hedge funds, banks

The main difference is that Senior Quantitative Developers focus on building and implementing trading models and software, while Quantitative Analysts primarily analyze data and develop trading strategies. Both roles require strong quantitative skills, but the developer role emphasizes programming and system development, whereas analysts focus more on data analysis and research.

What are the most commonly searched types of Quantitative Developer jobs in Ontario?

The most popular types of Quantitative Developer jobs in Ontario are:

What are popular job titles related to Senior Quantitative Developer jobs in Ontario?

For Senior Quantitative Developer jobs in Ontario, the most frequently searched job titles are:

What job categories do people searching Senior Quantitative Developer jobs in Ontario look for?

The top searched job categories for Senior Quantitative Developer jobs in Ontario are:

What cities in Ontario are hiring for Senior Quantitative Developer jobs?

Cities in Ontario with the most Senior Quantitative Developer job openings:

Senior Quantitative Developer jobs near you
Infographic showing various Senior Quantitative Developer job openings in Ontario as of August 2026, with employment types broken down into 100% Full Time. Highlights an 60% In-person, and 40% Remote job distribution.

Intern - Capital Markets, Quantitative Strategies and Research (May 2027 - 4 months)

Ontario Teachers

Toronto, ON • On-site

CA$30 - CA$36/hr

Full-time

Posted 14 days ago

Job description

The deadline to apply for this role is:

Until 11:59 PM of September 21, 2026

The opportunity

Do you want to use your research skills and curiosity about markets to explore and build new systematic investment strategies?

We are Quantitative Strategies and Research (QSR), an innovation-driven team within Capital Markets at Ontario Teachers' Pension Plan. We manage a broad and diversified portfolio, built using quantitative models, and are looking for an intern to join us thisSpring 2027.

We have varied educational backgrounds and research interests, and we are all passionate about understanding market drivers and using tools like data science, statistics, and programming to test and run our ideas. We are working on a lot of different projects - whether you are anundergradcurious about quantitativeinvestingor a graduate student with advanced and original research contributions, we have something for you!

Who you will work with

QSR is a team of 15, based in Toronto. Some of us focus on research and portfolio management, others on data science and technology. You will report to one of the team's senior members based on the best match for your interests and our needs.You will work on research projects and collaborate with other team members.We will encourage you to think independently and explore and present your ownideasand we will guide and help you along the way.

As a member of Capital Markets, a dynamic team of more than 80 investment professionals working across liquid markets, you will also have unparalleled opportunities to meet and learn from people with different areas of expertise and approaches to investing!

What youwill do

  • Contribute to QSR's broad research and development initiatives (we tend to work inMatlaband Python)

  • Apply a wide array of quantitative techniques (e.g., from statistics, machine learning, optimization, etc.) to explore and test investment and portfolio hypotheses

  • Review, critique, and implement research papers from academia or the practitioner community

  • Present and discuss your results with the team and gather feedback for improvement

  • Work on a variety of datasets, e.g., sourcing, cleaning, visualization, and predictive modelling

  • Propose original ideas (e.g., based on personal interests, prior experience, or graduate research) and test them on real-world data

  • Gain experience in one or several asset classes, including equities, fixed income, currencies, and commodities

  • Contribute to the development and optimization of our portfolio implementation infrastructure and analytical tools

What you will need

  • To be enrolled in aMaster'sor Ph.D. program or upper-year undergraduate program providing solid quantitative research and/or technology foundations (e.g., math, stats, computer science, engineering, economics, etc.)

  • A passion for research,demonstratedthrough academic work (e.g., papers published, research projects or theses) or personal projects

  • Broad programming experience, especially in scientific programming (we tend to work inMatlaband Python)

  • Curiosity and interestaboutapplying research and technology in the context of understanding markets and building portfolio systems.

  • You should be returning to your studies after the work term is completed

#LI-SS

What we're offering

The expected hourly range for this role is $30 - $36 depending on experience and qualifications.

  • Numerous opportunities for professional growth and development, including lunch and learns

  • Student led team building events on a monthly basis

  • Employee discount programs including Edvantage and Perkopolis

At Ontario Teachers', diversity is one of our core strengths. We take pride in ensuring that the people we hire and the culture we create, reflect and embrace diversity of thought, background and experience. Through our Diversity, Equity and Inclusion strategy and our Employee Resource Groups (ERGs), we celebrate diversity and foster inclusion through events for colleagues to connect for professional development, networking & mentoring. We are building an inclusive and equitable workplace where our talent is respected, accepted and empowered to be themselves. To learn more about our commitment to Diversity, Equity and Inclusion, check out Life at Teachers'.

How to apply

Are you ready to pursue new challenges and take your career to the next level? Apply today! The following documents are required to be uploaded with your application:

  • Resume

  • Copy of your transcripts

You will also be invited to complete a pre-recorded digital interview as part of your application. Please complete it within 48 hours of application submission.

Intern Application Guidance

  • We will be reviewing applications on a rolling basis. We recommend candidates apply as soon as possible.

  • To help us better understand your interests and career goals, we recommend candidates apply to their top 3-5 positions for the term.

We thank you for applying, however, only those selected for a personal interview will be contacted. Note that candidates must be legally entitled to work in the country where this role is located.

Accommodations are available upon request (peopleandculture@otpp.com) for candidates with a disability taking part in the recruitment process and once hired.

Ontario Teachers' may use AI-based tools to assist in screening and assessing applicants for this position. These tools may help us identify candidates whose skills and experience align with Ontario Teachers' objectives by analyzing information provided in resumes and applications. Our use of AI does not replace human decision-making.

To learn more about how Teachers' uses AI with your personal information, please visit our Privacy Centre.

Functional Areas:

Administration


Vacancy:

Current

Requisition ID:

7168#LI-SS1

Apply