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Software Engineer Three Jobs in Toronto, ON (NOW HIRING)

Td

Software Engineer III

Toronto, ON · On-site

CA$125K - CA$154K/yr

Role Summary As a lead software engineer, you are accountable for shaping and delivering end-to-end solutions for enterprise-grade platforms and complex initiatives. You set technical direction ...

Td

Software Engineer III

Toronto, ON · On-site

CA$125K - CA$154K/yr

Role Summary As a lead software engineer, you are accountable for shaping and delivering end-to-end solutions for enterprise-grade platforms and complex initiatives. You set technical direction ...

Td

Software Engineer III

Toronto, ON · On-site

CA$125K - CA$154K/yr

Develop and maintain technical solutions, ensuring adherence to engineering and architectural design principles while meeting business requirements. Provide technical expertise with a focus on ...

Td

Software Engineer III (AI Integration)

Toronto, ON · On-site +1

CA$125K - CA$154K/yr

This role combines software engineering, data science, and machine learning expertise to develop scalable AI systems in production environments. Key Responsibilities * Develop end-to-end pipelines ...

Td

Salesforce Software Engineer III

Toronto, ON · On-site

CA$114K - CA$154K/yr

Bachelor's degree in computer science, Engineering, or related field. * 8+ years of Salesforce platform experience. * 3+ years in a Technical Lead or Solution Lead role. * Strong expertise in: * Apex

YO AI Labs

Software Engineer - Remote

Toronto, ON · Remote

Required Skills and Qualifications: * 3+ years of hands-on software engineering experience. * Strong experience in at least one backend or full-stack engineering environment, such as Python ...

Ritchie Bros.

Software Engineer

Mississauga, ON

Support application portfolio for "level 3" incidents as necessary * Collaboration & Learning ... Bachelor's degree in Computer Science, Software Engineering, or a related field, OR equivalent ...

Distributech

Software Engineer

Toronto, ON · Remote

CA$8/hr

This is a hands-on engineering role where you'll contribute across the full software development ... * 3-5 years of professional software development experience * Strong experience developing ...

InvestorCOM

Software Engineer

Toronto, ON · Remote

This is a hands-on engineering role where you'll contribute across the full software development ... * 3-5 years of professional software development experience * Strong experience developing ...

Scotiabank

Software Engineer

Scarborough, ON

We'd love to work with you if you have: * 3-5 years of hands-on software engineering experience. * Proficiency with: .NET, C#, Java, React, SQL, Node.js * Experience with: Azure DevOps (TFS), Visual ...

Scotiabank

Software Engineer

Toronto, ON · On-site

We'd love to work with you if you have: * 3-5 years of hands-on software engineering experience. * Proficiency with NET, C#, Java, React, SQL, Node.js. * Experience with Azure DevOps (TFS), Visual ...

Ontario Health

Lead Software Engineer

Toronto, ON · On-site

Three personal days and two float days annually , providing added flexibility to support work-life ... Consider this opportunity. The Lead Software Engineer will be responsible for the design ...

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Software Engineer Three information

What is the difference between Software Engineer Three vs Software Engineer Two?

AspectSoftware Engineer ThreeSoftware Engineer Two
Required CredentialsBachelor's degree in CS or related field; 3+ years experienceBachelor's degree in CS or related field; 1-3 years experience
Work EnvironmentCollaborates on complex projects, mentors junior staffWorks on assigned modules, less mentorship responsibility
Employer & Industry UsageCommonly used in tech companies, software firmsWidely used across similar industries
Search & Comparison IntentOften compared for career progression, salary benchmarksOften compared to understand role differences

Software Engineer Three typically has more experience, handles complex tasks, and mentors others compared to Software Engineer Two. The roles are part of a progression path in software development, with Software Engineer Three expected to take on greater responsibilities and demonstrate advanced technical skills.

Software Engineer Three jobs near you
Infographic showing various Software Engineer Three job openings in Toronto, ON as of August 2026, with employment types broken down into 100% Full Time. Highlights an 69% In-person, 6% Hybrid, and 25% Remote job distribution.

Software Engineer III

ZoomInfo Technologies LLC

Toronto, ON • On-site

Full-time

Re-posted 3 days ago

ZoomInfo rating

8.9

Company rating: 8.9 out of 10

Based on 8 frontline employees who took The Breakroom Quiz

40th of 246 rated software companies

Job description

What You'll do:

  • Provide day-to-day operational coverage across the delivery systems-help service teams ship, investigate deploy issues, keep the shared packages and ingress layer in good shape, and respond when something needs attention.
  • Implement features, fixes, and improvements in TypeScript/Node (NestJS) on the delivery systems and in Go on the automation platform, with code review and support from senior engineers on the team.
  • Contribute to our infrastructure-intelligence tooling and MCP/agentic automation that provisions, updates, and audits infrastructure.
  • Work within our ArgoCD / Helm / GitHub Actions delivery model-declarative changes, safe rollouts, and clean rollbacks.

What you bring: 

  • 5+ years of software engineering experience, or equivalent, ideally with some exposure to infrastructure, platform, or backend/services work.
  • Solid proficiency in Go or TypeScript/JavaScript, and a genuine willingness to become productive in the other. The delivery systems are TypeScript/Node (NestJS, in an Nx monorepo); the automation platform is Go. You write clear, tested, maintainable code and are eager to grow.
  • Good engineering fundamentals-building and consuming APIs, debugging, testing, version control, and reasoning about how a change affects others.
  • Some hands-on experience with-or strong eagerness to learn-Kubernetes (K8s), cloud providers (GCP and/or AWS), and CI/CD tooling like GitHub Actions and Helm.
  • Interest in (or some exposure to) the GitOps model-declarative, Git-driven deployment with tools like ArgoCD.
  • A collaborative, communicative style, and comfort learning an unfamiliar production system-asking good questions and learning before changing.

Bonus Points: 

  • Exposure to Terraform, Temporal (or other workflow engines), or MCP / agentic AI.
  • Any hands-on work with GitOps tooling (ArgoCD, Helm) or a self-service deployment platform.
  • Contributions to open-source infrastructure, CD, or developer-tooling projects.

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What ZoomInfo employees say

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Benefits

Hours and flexibility

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