Summary
✨ AI‑Generated
A team of senior Python backend engineers is being assembled for a critical platform modernization initiative. You will design and deploy highly available microservices and RESTful APIs, build scalable systems capable of high transaction volumes with low latency, and design and optimize database schemas. The role is hands-on and focused on complex distributed-system challenges.
Highlights
High-impact contract role focused on scalable, secure microservices and REST APIs, with a strong emphasis on distributed systems, high transaction volumes, low latency, and platform modernization.
Description
Job Description: Senior Python Backend Engineer
Location: Downtown Toronto, ON (100% Onsite)
Contract Duration: Immediate start through December 2026 (High likelihood of extension based on performance)
Experience Level: 5–10+ Years
Interview Process: Mandatory In-Person Technical Interview in Downtown Toronto.
About the Role
We are seeking 10 highly skilled Senior Python Backend Engineers to join a critical platform modernization initiative.
This is a high-impact role focused on building robust, scalable, and secure microservices that power core business operations.
You will be working in a collaborative, agile environment to solve complex distributed-system challenges.
Core Responsibilities
Architecture & Design: Design, develop, and deploy high-availability microservices and RESTful APIs using Python.System Development: Build and maintain scalable backend systems capable of handling high transaction volumes with low latency.Database Management: Design and optimize schemas for both relational (SQL) and non-relational (NoSQL) databases.Cloud Infrastructure: Deploy and manage applications within public cloud environments (AWS/Azure/GCP), utilizing containerization and orchestration tools.DevOps & CI/CD: Champion modern DevOps practices, implementing robust CI/CD pipelines and infrastructure-as-code.Collaboration: Participate in system design reviews, code reviews, and technical documentation.
Collaborate effectively with cross-functional teams to ensure seamless integration.Observability: Implement monitoring, logging, and alerting solutions to ensure system health and performance.Required Qualifications (Must-Haves)
Education: Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field from a recognized Canadian university or college.Experience: 7 to 10+ years of professional software development experience, with a strong focus on backend engineering.Programming: Expert proficiency in Python (not data science/scripting focused).API Development: Extensive experience designing and building RESTful APIs with JSON and documenting via OpenAPI/Swagger.Architecture: Strong background in Microservices and Distributed Systems design (event-driven architecture, messaging queues).Databases: Proven experience with both SQL (e.g., PostgreSQL, MySQL) and NoSQL (e.g., DynamoDB, Cassandra, MongoDB).Cloud: Hands-on experience with at least one major cloud provider (AWS, Azure, or GCP).DevOps: Solid understanding of Git, CI/CD pipelines, and modern operational practices.System Design: Excellent system design capabilities and the ability to articulate trade-offs.Preferred Qualifications (Nice-to-Haves)
Domain: Experience in the Financial Services, Payments, or Fintech sector.Containerization: Production experience with Docker and orchestration tools like Kubernetes (EKS/AKS/GKE).Security: Knowledge of security best practices, compliance standards, and IAM.Observability: Experience with tools like Datadog, Prometheus, Grafana, or ELK Stack.
