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Senior Software Developer Jobs in Ontario (NOW HIRING)

Cority Software

Sr. Software Developer

Toronto, ON · On-site

Cority is looking for a Sr. Software Developer to be a part of our existing team. We are very interested in individuals who have a track record of finding creative solutions to unique problems and ...

Cority Software

Sr. Software Developer

Toronto, ON · On-site

Cority is looking for a Sr. Software Developer to be a part of our existing team. We are very interested in individuals who have a track record of finding creative solutions to unique problems and ...

OceanMD

Senior Software Developer

Toronto, ON · On-site

As our new Senior Software Developer, you will play a key role in designing, building, and evolving the software that powers patient engagement and eReferral solutions used by healthcare providers ...

Autodesk

Senior Software Developer

Toronto, ON

Job Requisition ID # 26WD96718 L'affichage de poste en francais suivra / The French job posting follows. 26WD96718, Senior Software Developer Position Overview We are seeking a passionate and ...

Geotab

Senior Software Developer

Oakville, ON · On-site

You are a skilled Senior Software Developer with extensive software design and implementation skills. You are skilled in the use of current programming languages and tools and generally act as a team ...

Bentley Systems

Senior Software Developer

Toronto, ON · On-site

Role A Senior Software Developer, Subsurface Information Management is responsible for the end-to-end design, development, and release of high-performance platform services and APIs that enable ...

Seequent

Senior Software Developer

Toronto, ON

Role A Senior Software Developer, Subsurface Information Management is responsible for the end-to-end design, development, and release of high-performance platform services and APIs that enable ...

Bentley Systems

Senior Software Developer

Toronto, ON · On-site

Role A Senior Software Developer, Subsurface Information Management is responsible for the end-to-end design, development, and release of high-performance platform services and APIs that enable ...

Autodesk

Senior Software Developer

Toronto, ON

CA$107K - CA$157K/yr

We are looking for a Senior Software Developer to help build the backend platform that powers these experiences. In this role, you will design and develop REST APIs, implement a flexible plugin ...

AssistIQ

Senior Software Developer

Toronto, ON

As a Senior Software Developer, you will be responsible for designing, developing and managing the cloud based services that power the AssistIQ platform. We're excited by candidates who enjoy and are ...

ABL Employment

Senior Software Developer

Oakville, ON · On-site +1

CA$120K - CA$135K/yr

Our client is seeking an experienced Senior Software Developer (Full Stack) with 7+ years of commercial software development experience to join their team in Oakville. In this role, you will lead the ...

Profound Medical

Senior Software Developer

Mississauga, ON · On-site

CA$120K - CA$160K/yr

General Accountability The Senior Software Developer is responsible for designing and delivering high-quality software solutions that supports business and product objectives. In our highly regulated ...

Teledyne

Senior Software Developer

Concord, ON · On-site

CA$93K - CA$124K/yr

Senior Software Developer (C++) - Lidar & Geospatial Systems Join Teledyne Optech, part of Teledyne Technologies, where you'll help turn complex lidar data into powerful geospatial insights. You'll ...

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All JobsSoftware Developer JobsSenior Software Developer JobsSenior Software Developer Jobs in Ontario

Senior Software Developer information

See Ontario salary details

$52.5K

$114.7K

$162.5K

How much do senior software developer jobs pay per year?

As of Sep 13, 2026, the average yearly pay for senior software developer in Ontario is $114,745.00, according to ZipRecruiter salary data. Most workers in this role earn between $95,000.00 and $130,000.00 per year, depending on experience, location, and employer.

What is a senior software developer?

Senior Software Developers are experienced professionals who design, develop, and maintain complex software applications. They often lead development teams, mentor junior developers, and make critical architectural decisions. Their responsibilities include writing high-quality code, troubleshooting technical issues, and ensuring that software projects meet performance and security standards. With deep expertise in programming languages and software engineering principles, they play a key role in delivering successful technology solutions for organizations.

What does a senior software developer do?

As a Senior Software Developer, you’ll typically be responsible for leading complex development projects, designing technical solutions, and mentoring junior team members. Daily tasks often include writing and reviewing code, participating in architecture discussions, collaborating with cross-functional teams (such as QA, product management, and DevOps), and troubleshooting high-level technical issues. You may also be involved in setting coding standards, conducting code reviews, and helping to plan sprints or project roadmaps.

What skills and qualifications are needed to thrive as a senior software developer?

To thrive as a Senior Software Developer, you need deep expertise in programming languages, software architecture, and problem-solving, typically backed by a bachelor’s degree in computer science or a related field. Proficiency with development frameworks, version control systems like Git, and cloud platforms such as AWS or Azure is standard, and certifications in these areas can be beneficial. Leadership, strong communication, and mentoring abilities set standout candidates apart in this role. These skills ensure that complex projects are delivered efficiently, code quality is maintained, and junior team members are effectively guided for overall team success.

What is the difference between Senior Software Developer vs Software Engineer?

AspectSenior Software DeveloperSoftware Engineer
CredentialsBachelor's degree in CS or related field; experience often 5+ yearsBachelor's or higher in CS or related field; similar experience levels
Work EnvironmentCollaborates on complex projects, mentors juniors, leads technical effortsDesigns, develops, tests software; may work on specific modules or systems
Industry UsageCommonly used in tech companies, startups, and enterprise firmsWidely used across industries, often interchangeable with developer roles

The main difference is that Senior Software Developers typically have more experience, leadership responsibilities, and focus on complex project oversight, while Software Engineers may focus more on designing and implementing software solutions. Both roles require similar credentials and are integral in software development teams, but Senior Software Developers often take on mentorship and strategic tasks.

More about Senior Software Developer jobs

What are the most commonly searched types of Software Developer jobs in Ontario?

The most popular types of Software Developer jobs in Ontario are:

What are popular job titles related to Senior Software Developer jobs in Ontario?

For Senior Software Developer jobs in Ontario, the most frequently searched job titles are:

What job categories do people searching Senior Software Developer jobs in Ontario look for?

The top searched job categories for Senior Software Developer jobs in Ontario are:

What cities in Ontario are hiring for Senior Software Developer jobs?

Cities in Ontario with the most Senior Software Developer job openings:

What are popular job titles related to Senior Software Developer jobs in ON?

For Senior Software Developer jobs in ON, the most frequently searched job titles are:

Senior Software Developer jobs near you
Infographic showing various Senior Software Developer job openings in Ontario as of August 2026, with employment types broken down into 85% Full Time, 11% Part Time, and 4% Contract. Highlights an 85% Physical, 4% Hybrid, and 11% Remote job distribution, with an average salary of $114,745 per year, or $55.2 per hour.

Sr. Software Developer

Toronto, ON • On-site

Cority Software
See more jobs at Cority Softwareexternal

Full-time

Re-posted 20 days ago

Job description

Software Developer

Technology · Toronto, Ontario

POSITION DESCRIPTION

POSITION: Software Developer

REPORTS TO: Manager, Software Engineering                    

Cority is the global enterprise EHS software provider creating industry-leading technology to empower those who transform the way the world works.
For over 35 years, Cority has been powered by the spirit of innovation, deep domain expertise, and a commitment to integrity that enables higher levels of operational and sustainable performance with the most comprehensive, human-centered, and secure SaaS platform to help workers and businesses thrive in 100 countries around the world.The company enjoys the industry’s highest levels of client satisfaction and has received many awards for its strong employee culture and outstanding business performance. To learn more, visit www.cority.com.

POSITION SUMMARY:

Cority is looking for a Sr. Software Developer to be a part of our existing team. We are very interested in individuals who have a track record of finding creative solutions to unique problems and who thrive in challenging situations. We take the success of our customers incredibly seriously and our team is a critical part of this success. We are looking for absolutely and only the best people. Reporting to the Development Manager, the Software Developer is primarily responsible for designing and modifying base Cority software, as well as working with Product Development to develop software to meet client needs.


RESPONSIBILITIES: 

  • Designs and develops new software and modifies and enhances existing software for clients’ systems, and for Cority’s base software.
  • Communicates directly with Cority clients to ensure that requirements and specifications are understood fully.
  • Reviews completed software designs or prototypes with clients.
  • Tests software and ensures that completed work correctly meets requirements.
  • Works in conjunction with other developers on development projects and ensures that their work is compatible with, and does not duplicate the work of others.
  • Diagnoses and repairs software problems or bugs, and assists clients with technical problems and helps to resolve those problems.


REQUIRED QUALIFICATIONS:

  • Must have a university degree in computer science or a related program with equivalent work experience
  • 5 years’ experience in developing software
  • Strong interpersonal and communication skills, creative thinker
  • Knowledge of Web development software including .Net and C#
  • Experience in the development of database applications using relational database systems such as SQL Server

PREFERRED QUALIFICATIONS:

  • Frontend testing automation using Selenium
  • Scripting with batch/powershell/python
  • Knowledge of Docker
  • Knowledge of AWS or similar CI/CD pipelines
  • Experience with ASP.NET Core, NHibernate/Entity Framework, JQuery, Ajax, Web Services, JavaScript, Typescript or RESTful API
  • Previous experience in the field of environmental and/or chemical management
 

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