Backend Engineer

Princeton IT Services, Inc; Toronto; On-site; CAD 110,000 - 170,000; Full time

Job summary

Princeton IT Services, Inc. seeks a seasoned Backend Engineer specialized in Python to design, develop, and scale high-performance backend services for financial platforms.

You will build RESTful APIs, contribute to platform engineering, and work on distributed systems with a focus on security and reliability. The role requires 5–10+ years of experience, strong communication, and collaboration with product, DevOps, and frontend teams.

Qualifications

• 5-10+ years of backend experience required.
• Strong Python backend development skills with API design.
• Experience with REST, JSON, and OpenAPI.
• Solid system design, scalability, and performance focus.
• Experience with SQL and NoSQL databases.
• Experience with cloud platforms (AWS, Azure, or GCP).
• Familiarity with CI/CD pipelines and DevOps practices.
• Bachelor's or Master's degree from a Canadian university/college.

Responsibilities

• Design, develop, and maintain scalable backend services using Python.
• Build and manage RESTful APIs and backend integrations.
• Contribute to platform engineering initiatives to improve reliability and scalability.
• Participate in system design discussions for distributed systems.
• Collaborate with frontend, DevOps, and product teams to deliver end-to-end solutions.
• Optimize performance, security, and observability of backend services.
• Participate in code reviews and ensure engineering best practices.

Skills

Python backend development

REST APIs

OpenAPI

System design

SQL

NoSQL databases

Cloud platforms

CI/CD

DevOps practices

Communication skills

Education

Bachelor's or Master's degree in CS/SE

Tools

Docker

Kubernetes

Job description

Job Title

Backend Engineer Python (API & Platform Engineering)

Location

Toronto, Ontario (Onsite)

Experience

5-10+ years

Role Overview

We are seeking a skilled Python Backend Engineer to build and scale high-performance backend systems. This role focuses on API development, platform engineering, and system design for enterprise‑grade, secure, and scalable financial platforms.

Key Responsibilities

• Design, develop, and maintain scalable backend services using Python.
• Build and manage RESTful APIs and backend integrations.
• Contribute to platform engineering initiatives to improve reliability and scalability.
• Participate in system design discussions for distributed systems.
• Collaborate with frontend, DevOps, and product teams to deliver end‑to‑end solutions.
• Optimize performance, security, and observability of backend services.
• Participate in code reviews and ensure engineering best practices.

Required Skills & Qualifications

• Strong experience with Python backend development.
• Hands‑on experience with REST APIs, JSON, and OpenAPI.
• Solid understanding of system design, scalability, fault tolerance, and performance optimization.
• Experience in platform engineering or building shared backend platforms.
• Strong knowledge of SQL and NoSQL databases.
• Experience with cloud platforms such as AWS, Azure, or GCP.
• Familiarity with CI/CD pipelines, Git, and DevOps practices.
• Bachelor's or Master's degree from a Canadian university or college.
• Strong communication and problem‑solving skills.

Preferred Qualifications

• Experience in financial services or fintech environments.
• Knowledge of microservices architecture.
• Experience with Docker and Kubernetes.
• Exposure to security, compliance, and high‑availability systems.

Why Join?

• Work on mission‑critical financial platforms.
• Gain exposure to large‑scale, high‑impact systems.
• Join a collaborative, engineering‑driven culture.
• Contribute to modern backend and platform engineering initiatives.