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Senior Software Developer Jobs in Chelsea, QC (NOW HIRING)

Micro1

Remote Senior Software Engineer

Ottawa, ON · Remote

Senior Software Engineer $50 - $100/hourpay Required Skills Python3 JAVA Rust Algorithms Basics C++ Typescript bug fixing feature implementation codebase refactoring performance optimization About ...

Micro1

Remote Senior Software Engineer

Ottawa, ON · Remote

Senior Software Engineer $50 - $100/hourpay Required Skills Python3 JAVA Rust Algorithms Basics C++ Typescript bug fixing feature implementation codebase refactoring performance optimization About ...

CIRA

Senior Software Developer (12 months)

Ottawa, ON · On-site +1

Who you are: You're a passionate software developer who wants your work to make a difference. You have a strong background in cybersecurity and an interest in DNS and networking technologies. You're ...

CIRA

Senior Software Developer (12 months)

Ottawa, ON · On-site

Who you are: You're a passionate software developer who wants your work to make a difference. You have a strong background in cybersecurity and an interest in DNS and networking technologies. Youre ...

CIRA

Senior Software Developer (12 months)

Ottawa, ON · On-site

Who you are: You're a passionate software developer who wants your work to make a difference. You have a strong background in cybersecurity and an interest in DNS and networking technologies. You're ...

SRC Can

Intermediate Software Developer

Gloucester, ON · On-site

Reporting to the Senior Staff Software Developer, this role will leverage software engineering skillsets to support the SRC enterprise portfolio of signals intelligence (SIGINT) and EW suite of ...

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Senior Software Developer information

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 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 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 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 cities near Chelsea, QC are hiring for Senior Software Developer jobs? Cities near Chelsea, QC with the most Senior Software Developer job openings:
Senior Software Developer jobs near you
Infographic showing various Senior Software Developer job openings in Chelsea, QC as of August 2026, with employment types broken down into 1% Internship, 87% Full Time, 8% Part Time, and 4% Contract. Highlights an 87% Physical, 4% Hybrid, and 9% Remote job distribution.

Senior Software Developer in Test

Barracuda Networks Inc.

Ottawa, ON • Hybrid

Other

This job post has expired 1 day ago. Applications are no longer accepted.

Job description

Come join our passionate team! Barracuda is a leading cybersecurity company providing complete protection against complex threats. Our platform protects email, data, applications, and networks with innovative solutions, and a managed XDR service, to strengthen cyber resilience. Hundreds of thousands of IT professionals and managed service providers worldwide trust us to protect and support them with solutions that are easy to buy, deploy, and use.
We are committed to a candidate selection process and work environment that is inclusive andbarrier free. To ensure candidates are assessed in a fair andequitablemanner,accommodationswill be provided to prospective employeesin accordance withthe Accessibility for Ontarians with Disabilities Act (AODA) and the Ontario Human Rights Code.
Envision Yourself at Barracuda:
We are seeking a passionate and hardworkingSoftware Senior Developer in Test to join our cross-functional Agile team. You will work on innovative cloud security products that protect our customers' sensitive information, partnering closely with Product and Development teams to implement critical quality standards. You will help drive AI-assisted testing strategies and leverage modern automation tools to accelerate delivery of reliable, high-quality software.
Tech Stack:
  • Languages: JavaScript (TypeScript) / Python / Java / Kotlin
  • Cloud: AWS (EC2, ALB, Lambda, API Gateway, S3)
  • Frameworks: React, Django, Maven, Gradle
  • CI/CD: GitHub, GitHub Actions, CircleCI
  • Databases: MySQL, PostgreSQL, Cassandra, DynamoDB, Elasticsearch
  • Infrastructure: Docker, Kubernetes/EKS, ECS
  • Testing Frameworks: Mabl, Playwright
  • AI-Powered Dev & QA Tools: GitHub Copilot, Copilot for Azure, Mabl AI, Testim, Applitools, ChatGPT/Claude for test generation
Nice to haves:
  • Familiarity with Email/auth protocols: SMTP, POP, IMAP, LDAP
  • Microsoft 365 / Azure Active Directory / MS Graph API
  • Security domain knowledge
  • Non-functional automation tools (load testing: k6, Gatling, JMeter)
  • Perl experience
  • Familiarity with AI testing platforms (e.g., Functionize, Sauce Labs AI, LambdaTest AI)
What you will be working on:
  • Build manual and automated test plans from business requirements
  • Develop, maintain, and execute automated test suites covering functional and non-functional use cases
  • Leverage AI coding assistants (GitHub Copilot) to accelerate test script authoring and code review
  • Use AI-driven testing tools (Mabl AI, Testim) to auto-heal flaky tests and generate intelligent test coverage
  • Integrate LLMs or AI APIs for test data generation, log analysis, and root cause summarization
  • Collaborate with engineers, product owners, and stakeholders to ensure high-quality software releases
  • Define timelines, work breakdowns, and manage the QA CI/CD pipeline
  • Write code snippets and validate API endpoints
  • Mentor junior team members and lead QA environment troubleshooting
  • Identify, document, and drive resolution of defects in close coordination with development teams
What you bring to the role:
  • 5+ years of experience in software development, testing, and automation
  • Coding, design and analytical skills
  • Experience in a full project testing life cycle including test case creation, script development, manual and automated testing
  • Automation skills and experience using tools including Mabl and Playwright,
  • Strong experience in Agile development methodologies and utilizing technologies such as GIT, GitHub Actions for Continuous Integration, and Continuous Delivery.
  • Experience in Relational and non-relational databases (SQL and Non-SQL)
  • Strong programming skills in languages such as TypeScript/Python
  • Common testing practices in a highly agile project environment
  • Experience with AWS including knowledge of cloud infrastructure and services
  • Ability to work collaboratively and communicate clearly in a fast-paced, dynamic environment
  • Guide junior SDETs to succeed in their journey.
  • Experience in manual testing & performance testing, analyzing test logs, creating test reports and keeping the manager updated on the progress on a regular basis.
  • Experience with perl, Docker, and Kubernetes is a plus.
What you'll get from us:
A team where you can voice your opinion, make an impact, and where you and your experience are valued. Internal mobility - there are opportunities for cross training and the ability to attain your next career step within Barracuda, in addition to equity, in the form of non-qualifying options.
The anticipated on-target earnings range for this role is CAD 105,000 to CAD 135,000. Actual compensation offered will be dependent upon the individual's skills, experience, and qualifications as they directly relate to the requirements of the position, the budget for the position, and applicable employment laws.
#LI-hybrid
Job ID 27 - 0035

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