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Senior Software Developer Engineer Jobs in Ontario

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 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 ...

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 ...

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 ...

CA$135K - CA$160K/yr

Our New Senior Software Developer: As a Senior Software Developer, you will work with other developers to create and maintain software, tools, and infrastructure for web applications, services, and ...

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 ...

Senior Software Developer

Toronto, ON · On-site

CA$96K - CA$142K/yr

Zynga is looking for a Senior Software Engineer to join the Data Ingestion team in our Analytics organization. The Data Ingestion team builds SDKs and near real-time ingestion pipelines to collect ...

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 ...

As a Senior Software Developer, you will be responsible for designing, developing and managing the ... We are looking for an engineer who embraces modern AI tools as a core part of their development ...

Work is performed under the supervision, guidance, and direction of more senior software developers ... Engineer (P. Eng.) in Ontario Qualifications Education • Bachelor's Degree in Computer Science ...

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 ...

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 ...

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 ...

As a Senior Software Developer in Toronto, you will manage and scale monorepo builds using Bazel and own the remote build execution cluster, while enhancing CI pipelines across thousands of daily ...

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Senior Software Developer Engineer information

What is a senior software developer engineer?

Senior Software Developer Engineers are experienced professionals who design, develop, and maintain complex software systems. They lead technical projects, mentor junior developers, and collaborate with cross-functional teams to deliver high-quality solutions. Their responsibilities often include architecting software, reviewing code, ensuring best practices, and troubleshooting critical issues. Senior developers play a key role in shaping technical strategies and guiding the overall direction of software projects.

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

A Senior Software Developer Engineer requires advanced programming skills, deep understanding of software architecture, and several years of experience with a relevant degree in computer science or a related field. Familiarity with modern development frameworks, version control systems like Git, and certifications such as AWS Certified Developer or Microsoft Certified: Azure Developer Associate are often expected. Strong problem-solving abilities, effective communication, and leadership skills help in mentoring teams and collaborating on complex projects. These competencies ensure high-quality software delivery, efficient teamwork, and innovation within dynamic tech environments.

What are some common challenges faced by senior software developer engineers when leading project teams?

Senior Software Developer Engineers often encounter challenges such as balancing technical leadership with hands-on coding, managing cross-functional communication, and aligning team members with project goals. They may also need to mentor junior developers while ensuring code quality and timely delivery of features. Navigating competing priorities and rapidly changing requirements requires strong problem-solving skills and adaptability, as well as effective collaboration with project managers, designers, and QA teams.

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

AspectSenior Software Developer EngineerSoftware Developer
Required CredentialsBachelor's degree in CS or related field; 3+ years experience; sometimes certifications like Microsoft or AWSBachelor's degree in CS or related field; 0-2 years experience; certifications are optional
Work EnvironmentTeam lead roles, project planning, mentoringDevelopment tasks, coding, testing
Employer & Industry UsageTech companies, software firms, startupsSame as Senior Software Developer Engineer

The main difference is experience level and responsibilities. Senior Software Developer Engineers typically have more experience, take on leadership roles, and mentor junior developers, while Software Developers focus on coding and implementing features. Both roles are essential in software development teams, but the senior position involves more strategic and supervisory duties.

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

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

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

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

Infographic showing various Senior Software Developer Engineer 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.

Sr. Software Developer

Cority Software

Toronto, ON • On-site

Full-time

Re-posted 7 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