Senior AI Backend Engineer: Scalable, High-Performance APIs

Refinitiv; Toronto; Hybrid; CAD 100,000 - 145,000; Full time

Benefits offered by this job

Flexible vacation

Mental Health Days

Career development programs

Job summary

A leading technology firm in Toronto is seeking a Senior Software Engineer to design and optimize backend systems for AI-powered platforms. In this role, you will architect high-performance services, manage large-scale data flows, and collaborate with cross-functional teams to implement AI capabilities. Candidates should have over 7 years of experience in backend development, with strong skills in Python and FastAPI. This position offers competitive compensation and a flexible hybrid work model.

Qualifications

• Minimum 7+ years building backend systems, APIs, and microservices.
• Strong proficiency in Python, FastAPI, PostgreSQL, and AWS cloud services.
• Deep understanding of distributed systems and architecture.

Responsibilities

• Design and build backend services supporting real-time AI interactions.
• Collaborate with ML engineers and product managers to create scalable solutions.
• Integrate backend systems with modern LLM providers.

Skills

Python

FastAPI

PostgreSQL

AWS cloud services

Distributed systems

Job description

A leading technology firm in Toronto is seeking a Senior Software Engineer to design and optimize backend systems for AI-powered platforms. In this role, you will architect high-performance services, manage large-scale data flows, and collaborate with cross-functional teams to implement AI capabilities. Candidates should have over 7 years of experience in backend development, with strong skills in Python and FastAPI. This position offers competitive compensation and a flexible hybrid work model.