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Senior Python Developer

Altis Recruitment

Toronto, Ontario

Senior Python Developer

Altis Recruitment

Toronto, Ontario
 
Salary: Information unavailable
 

We’re looking for a Senior Python Developer with a strong grasp of backend systems and a passion for building robust, maintainable solutions that directly impact the customer experience. You’ll join a collaborative team working on real-time streaming and event-driven applications, primarily using Python and AWS services. This role offers exposure to serverless architecture, large-scale backend systems, and migration projects, all within a dynamic, team-oriented environment.

 

This role is ideal for someone who:

  • Has a solid understanding of backend development and enjoys writing production-quality code daily
  • Is interested in distributed, serverless, and event-driven systems
  • Enjoys problem-solving and digging into technical challenges
  • Wants to collaborate closely with senior engineers and cross-functional teams
  • Takes ownership of projects end-to-end and values teamwork and good communication
  • Is eager to learn and grow within a modern tech environment

 

In this role, you will:

  • Contribute to the development, maintenance, and enhancement of backend messaging services and real-time streaming applications
  • Work with Platform A → Platform B integrations, including upstream/downstream processing and migration projects
  • Collaborate with internal teams to implement messaging logic using configuration-driven approaches
  • Participate in architectural discussions and design scalable, event-driven solutions with senior engineers
  • Build observability features such as metrics, logs, and alerts to support operational health and end-to-end visibility
  • Support platform reliability and performance improvements through data analysis, metrics, and incident investigations
  • Gain exposure to serverless design patterns, real-time and batch processing, and large-scale backend systems

 

Tech Stack & Tools:

  • Language: Python
  • AWS Services: Lambda, S3, SQS, EMR, DynamoDB (and other services for scalability/event-driven design)
  • Streaming/Architecture: Kafka, OneStream, real-time streaming, event-driven applications
  • Tooling: Jenkins, internal CI/CD platforms, Infrastructure as Code (IaC)
  • Focus: Backend development, migrations, and small enhancements/maintenance work


We appreciate the time and effort all applicants invest in their submissions. Please note that only candidates shortlisted for this role will be contacted directly. However, your profile will remain under consideration for future opportunities that align with your experience and career goals. All qualified applicants will receive fair consideration for employment. We welcome individuals of all backgrounds, experiences, and identities including those who identify as women, members of racialized groups, Indigenous Peoples, persons with disabilities, and 2SLGBTQIA+ communities. If you require an accommodation, please review our accessibility policy and reach out to our accessibility officer with any questions. Our human recruiters review all applications and always make the final hiring decision. On occasion, we also use AI-assisted tools to help review applications.

We are committed to hiring military and Veteran spouses and encourage you to identify your connection with the MSEN when reaching out to us or applying to any of our open roles.

 

Have questions or want to learn more about us? We would love to hear from you!

 

majella.de.freitas@altis.com

 

Whenever possible, reach out to a named contact rather than a general inbox  - it helps ensure a quicker, more personalized response. If you hit a bounce-back, let us know at

employment.Emploi@cfmws.com

 

 

 

About Altis Recruitment

Welcome on behalf on the Altis Recruitment team! Altis has a long-standing business relationship with the Defence community. For more than 30 years, we have been grateful to work alongside the Department of National Defence and countless military professionals. We know that family members of military personnel often make many personal sacrifices to support their loved ones. We understand that it can be difficult to pursue a career when embracing sudden changes like relocation and deployment. For some, this has meant putting a pause on career goals or professional development. We would like to provide you with everything you need for a successful and confident job search – in addition to access to job opportunities. Download the checklists our experts have created to help you be at your best from application to interview.