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Python Developer

  • Toronto, ON
  • Hybrid
  • Posted Oct 4, 2026
  • 1 position

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Employment type
Contract
Experience level
Senior · 5+ years
Apply by
Nov 1, 2026
Posting language
English
Working hours
40 hours per week
Office presence
4 days per week
Seniority
Mid-Senior level
Application method
Direct apply is available

Job summary

Develop and optimize high-performance data processing workflows and pipelines using Python, pandas, and polars, integrating with ClickHouse and NATS. Build containerized and distributed solutions with Docker, Kubernetes, and Dask, and maintain quality through pytest testing and collaborative Git practices.

Job details

Python Developer Toronto, ON - Hybrid (4 Days WFO) 6-12 months Role Descriptions: Job Description We are seeking a skilled Python Developer to join our data engineering team. You will design| develop| and maintain high-performance data processing pipelines using modern Python frameworks and tools. In this role| youll work with large-scale datasets| containerized systems| and distributed computing platforms to deliver robust data solutions. Key Responsibilities Develop and optimize data manipulation workflows using pandas and polars to handle large datasets efficiently. Design and implement containerized applications using Docker and Kubernetes to ensure scalable| reliable deployments. Build and maintain data pipelines integrating with Click House columnar databases for analytical workloads. Develop event-driven architectures using NATS messaging systems for asynchronous data processing. Write comprehensive unit tests using pytest to ensure code quality and reliability. Implement distributed computing solutions with Dask for processing data beyond single-machine memory constraints. Manage version control using Git and collaborate on code repositories following best practices. Required Skills and Experience Python & Data Processing: Advanced proficiency in pandas and polars for data manipulation| transformation| and analysis. Experience optimizing code performance for large datasets. Containerization & Orchestration: Hands-on experience with Docker for building container images and composing multi-container applications. Knowledge of Kubernetes for container orchestration and deployment management. Data Infrastructure: Working knowledge of ClickHouse or similar columnar databases for OLAP workloads and analytical queries. Messaging & Streaming: Familiarity with NATS.io for building message-driven systems and asynchronous workflows. Testing & Quality Assurance: Proficiency with pytest for writing unit tests| integration tests| and maintaining code coverage standards. Distributed Computing: Experience with Dask for parallel processing and handling out-of-core computations. Version Control: Strong command of Git workflows| branching strategies| and collaborative development practices. Preferred Qualifications Experience with additional Python libraries for data science and machine learning. Familiarity with CI/CD pipelines and DevOps practices. Background in financial services or capital markets data systems.

What you’ll do

Develop and optimize high-performance data processing workflows and pipelines using Python, pandas, and polars, integrating with ClickHouse and NATS. Build containerized and distributed solutions with Docker, Kubernetes, and Dask, and maintain quality through pytest testing and collaborative Git practices.

Requirements

Requires advanced Python data-processing skills with pandas and polars, experience optimizing large-dataset workloads, and hands-on knowledge of Docker, Kubernetes, and Dask. Candidates should also have familiarity with ClickHouse or similar columnar databases, NATS, pytest, and collaborative Git workflows; CI/CD, data science, machine learning, or financial-services experience is preferred.

Listed skills

  • Kubernetes · Preferred
  • CI/CD · Preferred
  • Docker · Preferred
  • Git · Preferred
  • Python · Preferred

Other relevant skills

Identified from the job description. Confirm important requirements above.

  • Python
  • Pandas
  • Polars
  • Docker
  • Kubernetes
  • ClickHouse
  • NATS
  • Pytest
  • Dask
  • Git
  • Data Pipelines
  • Distributed Computing
  • Data Processing
  • Unit Testing
  • CI/CD

Job areas

  • Software
  • Technology
  • Data & Analytics
  • Engineering

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