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High Tech Genesis

Python Backend Engineer

Toronto, ON, Canada

Pay: $55 to $70 CAD / hour
Job type: Contract
Apply by: Nov 1, 2026
Experience: 5–10+ years of backend software development experience.
Posting language: English
Posted: Oct 2, 2026

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Original job description

Overview

We are looking for an experienced Backend Python Engineer to design, develop, maintain, and scale web application platforms and backend services using Python. This role is ideal for someone who is strong in end-to-end platform engineering, including designing and building applications from the ground up, ongoing development and maintenance, system architecture, and delivering secure, scalable, high-performance solutions.

Key Responsibilities

Design, develop, and maintain scalable web application platforms and backend services using Python.
Build backend applications and platform capabilities from the ground up, from initial architecture and design through development, deployment, and ongoing maintenance.
Use Python as the primary backend development language to build robust, maintainable, and high-performance applications.
Design and build RESTful APIs, integrations, and backend services.
Contribute to scalable platform and system architecture, including technical design and architectural decisions.
Own backend solutions throughout the application lifecycle, including design, development, enhancement, troubleshooting, and maintenance.
Collaborate with cross-functional teams to deliver reliable backend and platform solutions.
Optimize application performance, scalability, security, and reliability.
Participate in code reviews and follow engineering best practices.
Troubleshoot complex technical issues and contribute to continuous improvement of the platform.

Requirements

5–10+ years of backend software development experience.
Strong professional experience with Python backend development.
Demonstrated experience designing and building web application platforms from the ground up.
Strong understanding of backend application design, development, architecture, and ongoing maintenance.
Experience developing and maintaining production-grade web applications and backend platforms.
Experience with REST APIs, JSON, and OpenAPI.
Solid understanding of system design, scalable architectures, and distributed applications.
Experience with SQL and/or NoSQL databases.
Experience with AWS, Azure, or GCP.
Familiarity with Git, CI/CD, and DevOps practices.
Strong communication, problem-solving, and collaboration skills.
Bachelor's or Master's degree in Computer Science, Engineering, or a related field.

Preferred Qualifications

Experience in financial services or fintech.
Knowledge of microservices, Docker, and Kubernetes.
Familiarity with security, high-availability, and fault-tolerant systems.
Experience designing platforms for scalability, performance, and reliability.
Experience owning backend applications through the full software development lifecycle.

Apply About employer

More about this job

Responsibilities

Design, build, and maintain Python-based web application platforms, backend services, REST APIs, and integrations throughout the full application lifecycle. Contribute to architecture and technical decisions while improving performance, scalability, security, and reliability, collaborating with cross-functional teams and troubleshooting complex issues.

Requirements

Requires 5–10+ years of backend software development experience, strong Python expertise, and experience building and maintaining production-grade web platforms from the ground up. Candidates should understand REST APIs, JSON, OpenAPI, scalable and distributed system design, SQL or NoSQL databases, cloud platforms, Git, CI/CD, and DevOps; a bachelor's or master's degree in a related field is specified.

Skills

Python
Backend Development
Web Application Development
REST APIs
JSON
OpenAPI
System Design
Scalable Architecture
Distributed Applications
SQL
NoSQL
AWS
Azure
Google Cloud Platform
Git
CI/CD

Visa sponsorship

Not detected in the job text

Keywords

Python
Backend Development
Web Applications
Backend Services
REST APIs
JSON
OpenAPI
System Architecture
System Design
Scalable Architecture
Distributed Applications
SQL
NoSQL
AWS
Azure
Google Cloud Platform
Git
CI/CD
DevOps
Microservices
Docker
Kubernetes
Financial Services
Fintech
High Availability
Fault Tolerance
Code Reviews
Performance Optimization
Security

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