Senior Software Development Engineer in Test

Posted Yesterday
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Mississauga, ON, CAN
In-Office
90K-120K Annually
Senior level
Real Estate • Energy • Defense • Industrial
The Role
Lead end-to-end quality for multiple projects, build and maintain scalable test automation, focus on API-first testing, identify delivery bottlenecks, mentor junior engineers, and collaborate with infrastructure teams to apply SRE principles, observability, CI/CD, and cloud practices to improve release confidence.
Summary Generated by Built In

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Do you want to build the software that builds cities? EllisDon’s construction technology team is made up of Full-Stack Developers, Data Analysts, UX Designers, Product Owners, IT Operations and we’re growing fast! Our team also includes some of the best digital modelers and BIM specialists in the industry, experts who are working with the latest tech on projects in the billions of dollars.

We are a software development studio of 140+ people, backed by one of Canada’s top construction firms, with over 70 years in the industry and completing over $5 billion of work each year. We build software that is solving real-world problems on some of Canada’s largest construction projects.

Above all, we at EllisDon work hard to deliver great careers to one another. We choose to celebrate the strength in our differences, every day. EllisDon’s commitment to Inclusive Diversity is to work together to create an environment where every employee feels safe to be their true and authentic self. Ultimately, EllisDon’s purpose is to provide people with similar values the opportunity to achieve their full potential; to deliver that opportunity for great careers to one another; and to contribute meaningfully to the community we share with others.

In case you’re curious, here’s what the industry thinks of us and some of the impacts we've made to the communities we work in and our latest Impact Report, highlighting how we're putting our values into practice in areas such as the climate & environment, inclusive diversity, indigenous relations, and health and safety.

As a Senior Software Development Engineer in Test you will: 

  • Manage the end-to-end quality lifecycle for multiple high priority projects simultaneously, ensuring consistent standards. 

  • Build tools that solve real problems. 

  • Be adept at API testing. We are an API-first testing team.   

  • Identify potential bottlenecks before they impact delivery.  

  • Provide technical guidance to junior and intermediate engineers on maintaining site reliability. 

  • Collaborate with infrastructure teams to incorporate SRE principles into the standard quality workflow. 

 

This is the right role for you if:  

  • A university degree in Software Engineering, Computer Science or equivalent. 

  • 7+ years of full-time industry experience in Software Quality Assurance. 

  • Proven technical prowess and experience in building and maintaining sophisticated test automation. Please provide a GitHub link/portfolio that demonstrates your ability to write clean and scalable code. 

  • A pragmatic mindset: you know when to automate, when to explore manually, and how to balance speed with risk. 

  • Experience in troubleshooting user-reported issues and thorough understanding of APIs. 

  • Demonstrated experience in leading initiatives and small teams; you should be comfortable making critical decisions and defending quality gates to stakeholders.  

  • Excellent communication skills (verbal and written). 

  • Familiarity with observability tools, CI/CD, and the cloud, and the ability to use signals to continuously improve testing and release confidence. will go a long way. 

  • The salary range for this role is: $90,000 - $120,000.

EllisDon is proud to provide this unique career opportunity that provides continuous learning, opportunity for growth, and a competitive compensation package within an environment that is committed to inclusion and respects diversity.

Go ahead and be yourself. We'll pay you for it!

We are an equal opportunity employer. We welcome people of any age, culture, subculture, gender identity or expression, sexual orientation, nationality, ethnicity, race, size, mental or physical status, veteran status, religion, language, political opinion, working-style preference, family status, education, and socio-economic status. The EllisDon core values of Integrity and Mutual Respect welcomes everyone, at work and in the community, and our value of Mutual Accountability, means that we all have a role to play. As an EllisDon employee, this will ultimately be your commitment to Inclusive Diversity.

Accommodation for Applicants with disabilities will be made during the recruitment process when requested.

We are committed to providing a positive candidate experience and ensuring timely updates are provided to all candidates. If you haven’t already, be sure to create a profile on our Careers page to remain up to date on the status of your application and learn about new career opportunities as they arise.

EllisDon uses AI tools to assist in screening and assessing applicants for this position. 

Skills Required

  • University degree in Software Engineering, Computer Science, or equivalent
  • 7+ years of full-time industry experience in Software Quality Assurance
  • Proven experience building and maintaining sophisticated test automation (provide GitHub link/portfolio)
  • Expertise in API testing and thorough understanding of APIs
  • Experience troubleshooting user-reported issues
  • Demonstrated experience leading initiatives and small teams
  • Ability to provide technical guidance on site reliability and maintain reliability practices
  • Excellent verbal and written communication skills
  • Pragmatic mindset: ability to balance automation and manual testing and assess risk
  • Familiarity with observability tools, CI/CD, and cloud
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The Company
10,000 Employees
Year Founded: 1951

What We Do

EllisDon Corporation is a 100% employee-owned global leader in construction and building services. The company provides a fully integrated, 'cradle-to-grave' suite of services, including general contracting, project management, and innovative technology solutions. It specializes in delivering sustainable and resilient infrastructure across diverse sectors, including healthcare, industrial, and civil projects, serving clients across Canada and international markets.

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