Role Overview We are seeking a highly skilled and experienced Senior Software Development Engineer in Test (SDET) to join our engineering team, supporting the development and deployment of our next ...
Role Overview We are seeking a highly skilled and experienced Senior Software Development Engineer in Test (SDET) to join our engineering team, supporting the development and deployment of our next ...
Your role As a Senior Software Developer in Test (SDET) in the Contact Center QA team, you're both a skilled developer who builds elegant, scalable test frameworks and a quality advocate who leads a ...
Your role As a Senior Software Developer in Test (SDET) in the Contact Center QA team, you're both a skilled developer who builds elegant, scalable test frameworks and a quality advocate who leads a ...
Sr. SDET
Kitchener, ON · On-site
Your role As a Senior Software Developer in Test (SDET) in the Contact Center QA team, you're both a skilled developer who builds elegant, scalable test frameworks and a quality advocate who leads a ...
Quick apply
Sr. SDET
Kitchener, ON · On-site
Your role As a Senior Software Developer in Test (SDET) in the Contact Center QA team, you're both a skilled developer who builds elegant, scalable test frameworks and a quality advocate who leads a ...
Clear progression path toward Senior or Staff Quality Engineering roles. What You'll Do Quality Execution & Ownership * Own quality for assigned features, services, or components. * Design and ...
Clear progression path toward Senior or Staff Quality Engineering roles. What You'll Do Quality Execution & Ownership * Own quality for assigned features, services, or components. * Design and ...
We are seeking a Senior Software Engineer / Software Developer specializing in React Native and high-performance frontend development for mobile platforms. In this role, you will define the ...
We are seeking a Senior Software Engineer / Software Developer specializing in React Native and high-performance frontend development for mobile platforms. In this role, you will define the ...
Software Development Engineer in Test
CA$70K - CA$120K/yr
Role Overview We are looking for a Software Development Engineer in Test (SDET) to join our team who will be responsible for ensuring the quality of deliverables throughout the software development ...
Software Development Engineer in Test
CA$70K - CA$120K/yr
Role Overview We are looking for a Software Development Engineer in Test (SDET) to join our team who will be responsible for ensuring the quality of deliverables throughout the software development ...
Senior Software Developer (Remote)
Waterloo, ON · Remote
CA$110K - CA$145K/yr
We are looking for a strategic and collaborative Senior Software Developer to join our Development & Engineering team to work on our Social Media Archiving Solutions. In this role, you will be a key ...
Quick apply
Senior Software Developer (Remote)
Waterloo, ON · Remote
CA$110K - CA$145K/yr
We are looking for a strategic and collaborative Senior Software Developer to join our Development & Engineering team to work on our Social Media Archiving Solutions. In this role, you will be a key ...
Senior Software Engineer / Software Developer (React Native)
CA$141K - CA$212K/yr
We are seeking a Senior Software Engineer / Software Developer specializing in React Native and high-performance frontend development for mobile platforms. In this role, you will define the ...
Senior Software Engineer / Software Developer (React Native)
CA$141K - CA$212K/yr
We are seeking a Senior Software Engineer / Software Developer specializing in React Native and high-performance frontend development for mobile platforms. In this role, you will define the ...
Kitchener, Ontario - Hybrid Senior Software Developer Join Sonova's Manufacturing Software team and ... development experience Strong experience with data engineering technologies, including ETL ...
Kitchener, Ontario - Hybrid Senior Software Developer Join Sonova's Manufacturing Software team and ... development experience Strong experience with data engineering technologies, including ETL ...
Senior Software Developer & Tech Lead .NET | Cloud | Distributed Systems | Technical Leadership ... You will remain actively involved in architecture, design, development, code reviews, production ...
Senior Software Developer & Tech Lead .NET | Cloud | Distributed Systems | Technical Leadership ... You will remain actively involved in architecture, design, development, code reviews, production ...
Software Engineer
Waterloo, ON · Hybrid
... senior role, you will be a key technical leader at the vital intersection of software development ... Expert-level programming proficiency in Go. * 5-7 years of experience in system design and software ...
Software Engineer
Waterloo, ON · Hybrid
... senior role, you will be a key technical leader at the vital intersection of software development ... Expert-level programming proficiency in Go. * 5-7 years of experience in system design and software ...
Senior Software Engineer, Backend Waterloo, ON Build what's next for players. We're a startup ... Establish coding standards, testing strategies, deployment patterns, and development practices that ...
Senior Software Engineer, Backend Waterloo, ON Build what's next for players. We're a startup ... Establish coding standards, testing strategies, deployment patterns, and development practices that ...
Senior Software Developer - HD
Kitchener, ON · On-site
As we scale up, we are looking for a Senior Software Developer to help us build the software that ... years of professional software development experience * Demonstrated Computer vision, ML ...
Senior Software Developer - HD
Kitchener, ON · On-site
As we scale up, we are looking for a Senior Software Developer to help us build the software that ... years of professional software development experience * Demonstrated Computer vision, ML ...
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 ... years of professional software development experience * Demonstrated Computer vision , ML ...
Quick apply
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 ... years of professional software development experience * Demonstrated Computer vision , ML ...
Senior Software Developer Cloud
Waterloo, ON · On-site
From product development to implementation, our unified Enterprise Imaging Platform is purpose ... We are seeking a Senior Software Developer to join our Waterloo team. As a vital member of our team ...
Senior Software Developer Cloud
Waterloo, ON · On-site
From product development to implementation, our unified Enterprise Imaging Platform is purpose ... We are seeking a Senior Software Developer to join our Waterloo team. As a vital member of our team ...
Senior Software Engineer/ Software Developer (Backend)
Waterloo, ON · On-site
CA$141K - CA$212K/yr
Senior Software Engineer, Backend Waterloo, ON Build what's next for players. We're a startup ... Proficiency in server-side development (Node.js with TypeScript preferred). * Experience with ...
Senior Software Engineer/ Software Developer (Backend)
Waterloo, ON · On-site
CA$141K - CA$212K/yr
Senior Software Engineer, Backend Waterloo, ON Build what's next for players. We're a startup ... Proficiency in server-side development (Node.js with TypeScript preferred). * Experience with ...
This is a senior role involving software development, architectural design, and technical team ... What You'll Do Team Delivery & Engineering Management * Delivery & Sprint Planning: Manage tickets ...
This is a senior role involving software development, architectural design, and technical team ... What You'll Do Team Delivery & Engineering Management * Delivery & Sprint Planning: Manage tickets ...
This is a senior role involving software development, architectural design, and technical team ... What You'll Do Team Delivery & Engineering Management * Delivery & Sprint Planning: Manage tickets ...
Quick apply
This is a senior role involving software development, architectural design, and technical team ... What You'll Do Team Delivery & Engineering Management * Delivery & Sprint Planning: Manage tickets ...
The Opportunity We are committed to building great software and great engineering teams, and we're looking for a Senior Development Manager to lead multiple squads building our Parks & Recreation ...
The Opportunity We are committed to building great software and great engineering teams, and we're looking for a Senior Development Manager to lead multiple squads building our Parks & Recreation ...
The Opportunity We are committed to building great software and great engineering teams, and we're looking for a Senior Development Manager to lead multiple squads building our Parks & Recreation ...
Quick apply
The Opportunity We are committed to building great software and great engineering teams, and we're looking for a Senior Development Manager to lead multiple squads building our Parks & Recreation ...
Senior Software Development Engineer information
What is a senior software development engineer?
What are the key skills and qualifications needed to thrive as a senior software development engineer?
What are some common challenges senior software development engineers face when leading cross-functional projects?
What is the difference between Senior Software Development Engineer vs Software Development Engineer?
| Aspect | Senior Software Development Engineer | Software Development Engineer |
|---|---|---|
| Experience | Typically 5+ years, with leadership responsibilities | Entry to mid-level, 1-3 years of experience |
| Responsibilities | Designing complex systems, mentoring juniors, leading projects | Implementing features, fixing bugs, collaborating on code |
| Skills & Certifications | Proficiency in multiple programming languages, system design, often with certifications | Strong coding skills, foundational knowledge, less emphasis on certifications |
| Work Environment | Often leads teams, involved in architecture decisions | Focused on individual contributions, team collaboration |
The main difference between a Senior Software Development Engineer and a Software Development Engineer lies in experience, responsibilities, and leadership. Seniors typically lead projects and mentor others, while juniors focus on coding and task completion. Both roles are vital in software development teams, with seniors bringing more strategic input and mentorship.
What are the most commonly searched types of Software Development Engineer jobs in Waterloo, ON?
The most popular types of Software Development Engineer jobs in Waterloo, ON are:
What cities near Waterloo, ON are hiring for Senior Software Development Engineer jobs?
Cities near Waterloo, ON with the most Senior Software Development Engineer job openings:

Senior Software Development Engineer in Test
Waterloo, ON
Full-time
Medical, Retirement
Re-posted 3 days ago
Job description
We are seeking a highly skilled and experienced Senior Software Development Engineer in Test (SDET) to join our engineering team, supporting the development and deployment of our next-generation AI-powered products. In this role, you will architect, build, and maintain production-grade test infrastructure and automation frameworks to ensure the reliability and performance of our cloud platform. You will write high-quality, maintainable code for testing tools, CI/CD pipelines, and validation systems that serve as critical engineering infrastructure. You will work closely with developers, product managers, and other SDETs to design and implement robust cloud test strategies, automation frameworks, and validation tools.
The successful candidate will flourish making meaningful contributions and elegant solutions, be determined, and manage major turning points independently in a fast-paced environment. You'll approach test automation as a software engineering discipline, applying the same rigor to test code that you would to production code, treating test infrastructure as a product that serves internal customers (developers) with the same care as customer-facing features.
Architect and build reusable test frameworks and libraries that serve as shared infrastructure across teams;
Design and implement testing SDKs and tools that enable other engineers to write better tests faster;
Contribute to the product codebase by improving testability, instrumentation, and observability;
Conduct code reviews for test automation pull requests, ensuring best practices and maintainability;
Apply software engineering principles (design patterns, SOLID) to test automation architecture;
Define and maintain an automation roadmap aligned with team goals and product evolution;
Act as a subject matter expert in test strategy and tooling within your domain;
Mentor and coach other SDETs or SWEs on Quality Engineering best practices;
Engineer end-to-end CI/CD pipelines including build orchestration, deployment automation, and infrastructure-as-code for test environments;
Validate deployments across multiple cloud environments;
Work closely with development to improve the quality of the product.
5+ years of experience in Software Development in the Quality Engineering field with a strong focus on cloud automation;
Strong software engineering skills with demonstrated proficiency in at least one programming language (e.g., Python, C#, Java), including:
Object-oriented design and design patterns
Writing clean, maintainable, well-documented code
Version control (Git) and code review practices
Software architecture and system design principles
Experience with or strong interest in AI-powered development workflows;
Experience building production-quality automation frameworks, testing libraries, or developer tools from scratch;
Strong understanding of software architecture, APIs, SDKs, and system integration testing with hands-on experience designing and implementing APIs for test frameworks or validation tools;
Familiarity with CI/CD pipelines and cloud-based testing environments;
Excellent problem-solving skills and attention to detail;
Strong communication and collaboration skills.
Familiarity with testing LLM-powered applications and agentic systems;
Experience with infrastructure-as-code (CDK, Terraform, CloudFormation);
Familiarity with software design patterns and refactoring techniques;
Background in distributed systems or cloud architecture;
Knowledge of observability patterns (structured logging, distributed tracing, metrics instrumentation);
Familiarity with monitoring and alerting tools (e.g., Grafana, DataDog, CloudWatch);
Experience with BDD, contract testing (Pact);
Familiarity with AWS: S3, DynamoDB, OpenSearch;
Exposure to security testing, performance testing, and regression strategies;
Knowledge of Docker containers.