Toronto, On Backend developer web & infrastructure Jobs – 72 Openings This Week

Member of Technical Staff - Agents
Steel —Toronto, ON
- Full-time
- APIs
- AI
- Communication skills
Quick apply
Senior Backend Developer (.Net)
SimCorp A/S —Toronto, ON
- $99,840–$118,400 a year
- Full-time
- Hybrid work
- Azure
- DevOps
- English
Senior Software Engineer
GFL Environmental —Vaughan, ON
- DevOps
- Databases
- AWS
Engineering Manager, HRIS Flow Platform
Rippling —Toronto, ON
- $186,000–$310,000 a year
- Hybrid work
- APIs
- Leadership
- Communication skills
Senior AI Engineer, (Global Security)
Royal Bank of Canada —Toronto, ON
- Full-time
- Azure
- Research
- Databases
7d
Senior Technical Product Owner
Sago Mini —Toronto, ON
- $115,000–$145,000 a year
- Full-time
- Computer Science
- Engineering
- APIs
Quick apply
2d
Senior DevOps Engineer
Lush Handmade Cosmetics —Toronto, ON
- $91,000–$99,000 a year
- Full-time
- Hybrid work
- DevOps
- Databases
- Scripting
Quick apply
VP, Product
Platform.sh —Toronto, ON
- Immediate opening
- Remote
- DevOps
- Leadership
- Paid time off
Quick apply
Director, Platform Engineering
Maple —Toronto, ON
- Full-time
- Hybrid work
- DevOps
- AWS
- Epic
- Dental care
- Life insurance
Quick apply
9d
Senior Director Engineering, Home Software Applications
Generac Power Systems Inc —Toronto, ON
- $239,000–$323,000 a year
- Full-time
- Doctoral degree
- Computer Science
- Engineering
- Disability insurance
- Dental care
Quick apply

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Senior Backend Developer (.Net)
SimCorp A/S —Toronto, ON
Each team and consultant have a high degree of freedom to plan, organize and design their work. Design, implement, and maintain DevOps practices and tools to…
$99,840–$118,400 a year
Senior .Net Developer
InTandem Talent —Richmond Hill, ON
Education: A degree or diploma in Computer Science, Software Engineering, or a related field. Problem Solver: Excellent troubleshooting skills and the ability…
$90,000–$105,000 a year
6d

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Senior Software Engineer (Laravel/PHP, Node.js, React)
Frontier Dental Supply —Markham, ON
This is a hands-on leadership role where you will combine deep technical expertise with strategic thinking — writing production code daily while shaping…
$90,000–$110,000 a year
Software Developer
Sync.com —Toronto, ON
Experience in SaaS development and subscription billing integration (Chargebee). We are seeking a versatile and results-oriented Software Developer with…
$97,000–$100,000 a year

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Member of Technical Staff - Agents

Steel -
Toronto, ON

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Job details

Full-time

Qualifications

Full-stack development
GitHub
APIs
AI
Communication skills
Debugging

Full job description

About Steel

Steel is building open-source browser infrastructure for AI agents and apps. We make it easy for developers to ship AI products that interact with the web using our Sessions API.

With over 7,000 GitHub stars, dozens of paying customers, and millions of sessions served monthly, we grew our platform 50x in 2025 purely through word-of-mouth and our open-source community. Backed by world-class investors, we're building a small, highly motivated, and talent-dense team that's shaping the future of how humans interact with the internet.

More on the problems we're solving: https://docs.steel.dev/overview/intro-to-steel

Public referral bonus: Introduce us to a candidate who joins Steel and we'll send you $10,000

The Role

We're looking for an exceptional engineer to shape how AI agents interact with the web by building the open-source frameworks/demos and shaping the developer experience that makes Steel indispensable for AI developers.

Sample projects include...

Building developer tools to run browser agents on top of Steel's Sessions API
Running experiments to learn which models/prompts/harnesses actually work for browser automation
Building eval sets to rigorously benchmark agents against real-world scenarios
Creating open-source demos that show what's possible with AI agents and browsers
Working with customers to help them deploy custom agents into their workflows
Writing a technical post unpacking learnings from a 2-day debugging session

Requirements:

4+ years writing high-quality, production code
AI-native - a heavy user of AI agents in day-to-day coding workflows
Experience shipping full-stack product features end-to-end and enjoy moving between design, frontend, backend, and model integration
Interest in developer tooling and opinions about developer ergonomics
Strong communication skills with comfort writing technical content
Strong product sense
Thrive in highly autonomous work environments

Applying

If there appears to be a fit, we'll reach out to schedule 2-3 short technicals. After, we'll schedule an on-site in our office, where you'll work on a small project, discuss ideas, and meet the team.

Quick apply

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backend developer web & infrastructure jobs in toronto, on

Member of Technical Staff - Agents

Senior Backend Developer (.Net)

Senior Software Engineer

Engineering Manager, HRIS Flow Platform

Senior AI Engineer, (Global Security)

Senior Technical Product Owner

Senior DevOps Engineer

VP, Product

Director, Platform Engineering

Senior Director Engineering, Home Software Applications

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