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Sr Software Developer Jobs in Ontario (NOW HIRING)

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 ...

Kitchener, Ontario - Hybrid Senior Software Developer Join Sonova's Manufacturing Software team and help develop the sophisticated solutions that power our production while enabling data-driven ...

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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 ...

The CNN Growth team is hiring a Senior Software Engineer to help build and evolve the systems and user experiences that drive audience growth, engagement, and monetization acrossCNN's digital ...

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 ...

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 ...

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 ...

Join Savaria as a Senior Software Developer, where your skills in C#, .NET, and Clean Architecture will help enhance accessibility solutions. This on-site role is based in Brampton. As a global ...

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Shape the future of fintech as a Senior Software Developer at Wealthsimple. Focus on backend solutions that guarantee accuracy and efficiency for millions of users. We're seeking a motivated Senior ...

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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

Toronto, ON · On-site +1

CA$120K - CA$140K/yr

As a Senior Software Developer, you will be creating prototypes and software design proposals that align future-state product and architecture vision. You will continue to improve core product build ...

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 We're a naan traditional company... Summary We are seeking a Software Development Lead who is passionate about innovation and emerging technologies. This role involves ...

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Sr Software Developer information

What are some typical challenges Sr software developers face when leading project teams, and how can they effectively manage them?

Sr Software Developers often encounter challenges such as balancing coding responsibilities with mentoring junior team members, aligning technical solutions with business goals, and managing project timelines across cross-functional teams. Effective management involves clear communication, setting realistic expectations, and fostering a collaborative environment where team members can share ideas and resolve issues quickly. Leveraging agile methodologies and regular code reviews can also help maintain project momentum and ensure high-quality deliverables.

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

AspectSr Software DeveloperSoftware Engineer
Required CredentialsBachelor's degree in CS or related field; experience often preferredBachelor's or higher in CS or related field; certifications optional
Work EnvironmentDevelops software, collaborates with teams, and mentors junior staffDesigns, develops, tests, and maintains software applications
Employer & Industry UsageUsed across tech companies, startups, and enterprise firmsCommon in software development firms, tech companies, and IT departments

Both roles involve software development, but Sr Software Developers typically have more experience, leadership responsibilities, and mentorship duties. Software Engineers focus on designing and building software solutions, often with a broader scope. The roles overlap significantly, but the seniority and leadership aspect distinguish the Sr Software Developer from a general Software Engineer.

What do senior software developers do?

Senior software developers design, develop, and maintain software applications, often leading projects and mentoring junior team members. They analyze user requirements, write clean code, perform testing, and collaborate with cross-functional teams to ensure software quality and performance. Proficiency in programming languages, problem-solving skills, and experience with development tools are essential for this role.

What is a Sr software developer?

Sr Software Developers are experienced professionals responsible for designing, developing, and maintaining complex software applications. They typically lead technical teams, make architectural decisions, and mentor junior developers. Their role often involves collaborating with stakeholders to define requirements, ensuring code quality, and staying updated with emerging technologies. Senior developers play a crucial part in the software development lifecycle, helping to deliver robust and scalable solutions.

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

To thrive as a Sr Software Developer, you need advanced proficiency in programming languages (such as Java, Python, or C#), software architecture, and a bachelor's or master’s degree in computer science or a related field. Familiarity with development tools like Git, integrated development environments (IDEs), cloud platforms, and relevant certifications (e.g., AWS Certified Developer) are typically expected. Strong problem-solving, leadership, collaboration, and communication skills help you mentor junior developers and work effectively within teams. These abilities are crucial to building robust software solutions, driving technical excellence, and ensuring successful project delivery.
What cities in Ontario are hiring for Sr Software Developer jobs? Cities in Ontario with the most Sr Software Developer job openings:
Infographic showing various Sr Software Developer job openings in Ontario as of August 2026, with employment types broken down into 88% Full Time, 8% Part Time, and 4% Contract. Highlights an 88% Physical, 3% Hybrid, and 9% Remote job distribution.

Sr. Software Developer

Cority Software

Toronto, ON • On-site

Full-time

Re-posted 12 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