Python Developer – Kitchener, Ontario

GTS; Kitchener; On-site; CAD 70,000 - 90,000; Full time

Job summary

A financial services technology firm is seeking a Python developer to join their Data Services team. The role involves building and improving systems for trading infrastructure, developing APIs, and optimizing databases. Candidates should have strong Python skills and experience with relational databases, preferably MySQL. This position offers hands-on exposure to senior management and a collaborative environment.

Benefits

Free lunch daily

Access to a fully stocked pantry

Casual dress code

Qualifications

• Strong proficiency in Python.
• Hands-on experience with relational databases, preferably MySQL.
• Strong communication skills for diverse audiences.
• Demonstrated experience in a Linux environment.
• Excellent attention to detail and quality of work.

Responsibilities

• Build and maintain data ingestion and transformation pipelines.
• Develop APIs for reference data distribution and trading operations.
• Maintain and optimize databases.
• Automate processes and deploy services.
• Support applications for compliance reporting.

Skills

Python proficiency

Relational databases experience

Communication skills

Linux environment experience

Organizational skills

Attention to detail

Collaborative working

Education

Bachelor’s degree in computer science, engineering, or related field

Tools

MySQL

FastAPI

Airflow

Kafka

Redis

Docker

Nomad

Job description

Overview

We are looking for a Python developer with excellent problem-solving skills to join our Data Services team. In this role, you will build and improve critical systems that power our firm’s trading infrastructure, ranging from reference data ingestion to API development, database design, and compliance reporting. You will collaborate with our global technical team and gain exposure to senior management, providing unparalleled access to industry expertise and the freedom to influence technical architecture and business operations.

About GTS

GTS is a collection of financial services companies spanning a wide array of asset classes and investment approaches, all powered by the combination of market expertise with innovative, proprietary technology. With roots as a quantitative trading firm continually building for the future, the GTS family of companies are able to leverage the latest in artificial intelligence systems and sophisticated pricing models to bring consistency, efficiency, and transparency to today’s financial markets. GTS’s electronic market maker GTS Securities accounts for 3-5% of daily cash equities volume in the U.S. and is a leading Designated Market Maker (DMM) at the New York Stock Exchange, responsible for nearly $13 trillion of market capitalization. For more information on GTS, please visit www.gtsx.com.

Responsibilities

• Build and maintain data ingestion and transformation pipelines (e.g., security master lists, market data)
• Develop APIs for reference data distribution and trading operations
• Maintain and optimize databases
• Automate processes and deploy services
• Support and develop applications for compliance reporting
• Maintain and improve CI/CD infrastructure

Qualifications

• Strong proficiency in Python
• Hands-on experience with relational databases (preferably MySQL)
• A bachelor’s degree in computer science, engineering, or a related field, or equivalent practical experience
• Strong communication skills, with the ability to explain technical concepts to diverse audiences
• Demonstrated experience operating in a Linux environment
• Strong organizational skills and sense of responsibility
• Excellent attention to detail and pride in the quality of one’s work
• Demonstrated ability to make informed trade-offs and design decisions
• Ability to work collaboratively and autonomously, with a willingness to share knowledge and support junior team members

Nice-to-Haves

• 2-3 years of finance industry experience
• An interest in ownership and a desire to become a subject matter expert
• Familiarity with:
  • Python REST API framework (preferably FastAPI)
  • Airflow scheduler
  • Message queues, preferably Kafka
  • NoSQL data stores, preferably Redis
  • Containerization and orchestration technologies, preferably Docker and Nomad

What We Offer

We work to ensure our employees enjoy a high quality-of-life, including in-office perks like free lunch daily and access to a fully stocked pantry. Casual dress code when working in the office.

EEO Statement

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, age, national origin, or protected veteran status, and will not be discriminated against on the basis of disability.

Apply

Unsolicited resumes: We do not accept unsolicited headhunter and agency resumes and will not pay fees to any third-party agency or company that does not have a signed agreement with GTS.