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Senior Software Developer Jobs in Ancaster, ON (NOW HIRING)

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 ...

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 ...

As we scale up, we are looking for a Senior Software Developer to help us build the software that is changing the face of the feed industry. This is a new vacancy due to growing business needs. Job ...

Senior Software Developer - HD

Kitchener, ON · On-site

CA$100K - CA$140K/yr

As we scale up, we are looking for a Senior Software Developer to help us build the software that is changing the face of the feed industry. This is a new vacancy due to growing business needs. Job ...

Knowledge, skills, training, and experience in software requirements and design engineering skills using a well-defined disciplined engineering process or methodology; * Familiarity with Microsoft ...

New

As a Senior Mobile Software Developer, you are primarily responsible for owning the end-to-end mobile experience - architecting, building, and maintaining efficient, reliable, and scalable mobile ...

Be Seen First

We are seeking an experienced Senior Software Developer (Full Stack) with 7+ years of commercial software engineering experience. In this key on-site role in Mississauga, you will lead the ...

Geotab is seeking a Software Developer who will support other developers within Geotab by ... Participate in a 24x7 on-call rotating schedule (if applicable), supported by senior team members.

About the role We're looking for a Senior Software Development to join our growing team! What you ... Implement CI/CD pipelines using Azure DevOps , including build, test, and release automation ...

As we scale up, we're looking for a Senior Embedded Software Developer to help us build the embedded software that is changing the face of the feed industry. Job Summary : The ideal candidate will ...

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Senior Software Developer information

See Ancaster, ON salary details

$48.8K

$106.6K

$151K

How much do senior software developer jobs pay per year?

As of Sep 6, 2026, the average yearly pay for senior software developer in Ancaster, ON is $106,619.00, according to ZipRecruiter salary data. Most workers in this role earn between $88,272.00 and $120,794.00 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.

What are the most commonly searched types of Software Developer jobs in Ancaster, ON?

The most popular types of Software Developer jobs in Ancaster, ON are:

What cities near Ancaster, ON are hiring for Senior Software Developer jobs?

Cities near Ancaster, ON with the most Senior Software Developer job openings:

Infographic showing various Senior Software Developer job openings in Ancaster, ON as of August 2026, with employment types broken down into 81% Full Time, 15% Part Time, 1% Temporary, and 3% Contract. Highlights an 85% Physical, 4% Hybrid, and 11% Remote job distribution, with an average salary of $106,619 per year, or $51.3 per hour.

Senior Software Developer

Geotab

Oakville, ON • On-site

Full-time

Medical, Dental, Retirement

Posted 5 days ago


Job description

Who you are:

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 resource on custom development initiatives. You find reward in building robust software that can function 24/7 with no down time. If you love technology, are passionate about creating scaleable software, SDKs and APIs and are keen on contributing to open source projects - we would love to hear from you.

What you'll do:

The Senior Software Developer will be part of a team who builds a web-based, state-of-the-art, telematics platform that makes sense of the data collected by our custom-built hardware. We receive detailed data and metrics for millions of vehicles and devices globally, which is processed and interpreted to create actionable information for our customers. You will write high-performance C# code to process and store this information in real time. Understanding the performance impact of good systems design, multithreading, and scalability is a must for this position.

How you'll make an impact:
  • Listen and contribute to design discussions and make detailed notes and documenting requirements and technical design.
  • Provide guidance to more junior team members, sharing knowledge across the teams.
  • Write scalable, high quality and secure software in a variety of programming languages and environments, such as C#, JavaScript, SQL.
  • Perform quality assurance by doing peer review, ensuring coding standards are followed, looking for logic errors and other bugs.
  • Analyze call stacks, trace files, performance data to troubleshoot and identify the root cause of bugs.
  • Participate in development of prototypes, minimum viable products and proofs of concept.
  • Provide assistance to our support staff and resellers from a technical perspective. This may be in the form of on-call or ad-hoc questions
  • relating to how certain features work or verifying the behaviour by reviewing code.
  • Research new language features, frameworks and other relevant technologies and offer recommendations to Leads and senior leaders.
  • Assist in defining best practices to be used in the team.
  • Provide design documents and documentation to ensure efficient maintenance and code reuse.
  • Ensure the functionality, performance, scalability, reliability, realistic implementation schedules and system architecture for each assignment.
  • Participate in a 24x7 on-call rotating schedule.
What you'll bring to the role:
  • 5 - 8 years of experience as a Software Developer using object-oriented programming to build scalable applications.
  • Post-secondary Diploma/Degree in Computer Science, Software Engineering, or a related field.
  • Knowledge of multiple general purpose programming languages (e.g. C#, Java, Python), as well as experience with Python, Google Compute Engine, and Google BigQuery.
  • Experience with SQL Server, Postgres, and expert knowledge in optimizing databases (e.g. MySQL).
  • Working knowledge of Docker and Kubernetes, and proficiency in Git (or another distributed source control tool) with experience resolving merge conflicts and renaming branches.
  • Strong analytical, problem-solving, and project management skills to manage projects from needs identification through to completion.
  • Strong team player with an entrepreneurial mindset, meticulous attention to detail, and technical competence using software programs like Google Suite.
If you got this far, we hope you're feeling excited about this role! Even if you don't feel you meet every single requirement, we still encourage you to apply.
 
Please note: Geotab does not accept agency resumes and is not responsible for any fees related to unsolicited resumes. Please do not forward resumes to Geotab employees.
 
This posting is for an existing vacancy.
 
Why job seekers choose Geotab:

Flex working arrangements
Home office reimbursement program
Baby bonus & parental leave top up program
Online learning and networking opportunities
Electric vehicle purchase incentive program
Competitive medical and dental benefits
Retirement savings program

*The above are offered to full-time permanent employees only

How we work:
At Geotab, we have adopted a flexible hybrid working model in that we have systems, functions, programs and policies in place to support both in-person and virtual work. However, you are welcomed and encouraged to come into our beautiful, safe, clean offices as often as you like. When working from home, you are required to have a reliable internet connection with at least 50mb DL/10mb UL. Virtual work is supported with cloud-based applications, collaboration tools and asynchronous working. The health and safety of employees are a top priority. We encourage work-life balance and keep the Geotab culture going strong with online social events, chat rooms and gatherings. Join us and help reshape the future of technology!
 
We believe that ensuring diversity is fundamental to our future growth and progress and is an integral part of our business. We believe that success happens where new ideas can flourish - in an environment that is rich in diversity and a place where people from various backgrounds can work together. Geotab encourages applications from all qualified individuals. We are committed to accommodating people with disabilities during the recruitment and assessment processes and when people are hired. We will ensure the accessibility needs of employees with disabilities are taken into account as part of performance management, career development, training and redeployment processes. If you require accommodation at any stage of the application process or want more information about our diversity and inclusion as well as accommodation policies and practices, please contact us at careers@geotab.com. By submitting a job application to Geotab Inc. or its affiliates and subsidiaries (collectively, "Geotab"), you acknowledge Geotab's collection, use and disclosure of your personal data in accordance with our Privacy Policy. Click here to read our Privacy Notice. Click here to learn more about what happens with your personal data.