Principal Software Developer
Job in
Toronto, Ontario, M5A, Canada
Listing for:
Lightspeed
Full Time
position
Listed on 2026-02-16
Job specializations:
-
Software Development
Software Engineer, Full Stack Developer
Job Description & How to Apply Below
Hi there! Thanks for stopping by 👋
Are you actively looking for a new opportunity? Or just checking the market? Well… you might just be in the right place!
As a hands-on Principal Software Developer, you’ll guide design and architecture of the critical system components of the flagship Lightspeed Retail product used by thousands of merchants around the world. You will personally contribute to the key parts of the systems to deliver innovative solutions that meet customer needs. You will uplevel engineering craft across the organization, by providing technical guidance, promoting best practices, mentoring fellow engineers, while empowering the teams to build towards a sustainable architecture.
For this role, you should be located in Canada, and able to work within EST/EDT hours. We offer a choice of fully remote, partially remote or fully office-based work environments (incities with local offices).
What you'll be responsible for
Ensuring that systems built to support new initiatives are well designed and scalable.Analyzing existing systems and infrastructure landscape, identifying opportunities to improve architecture, reduce duplication, make systems more performant and robust.Identifying key recurring patterns leading to incidents and non-project overhead, and coming up with a plan to address thoseDriving improvements in our systems reliability and performance.Improving development practices, from design reviews, to testing and deployment, and to incident managementYou conduct architectural deep-dives and mentor key members across all services teams.As a senior member of the engineering team, you will also play a key in developing a high-performance culture in the Retail organization.Contributing as part of the wider team to achieve organizational objectives even if this means doing things that aren’t strictly within the scope of your role.What you’ll be bringing to the team
15+ years of professional experience in software development5+ years of experience as a technical leader for multiple teams2+ years of experience in managing architecture across multiple teams with more than 35+ engineers.History of developing business critical systems at scale, to run on the cloud.History of delivering key outcomes for the business, under challenging timelines.Experience in more than one technology stack such as Go, PHP, Java, RoR, Python, etc.Outstanding written and verbal communication skills, with the ability to convey ideas concisely.Ability to moderate technical conversations, handle diverse opinions, and make quick decisions.Even better if you have, but not necessary
Expertise in distributed systems and building multi-region systems for the cloudDeep expertise in domain-driven software developmentAbility to lead and guide a team of engineers while contributing alongside themRetail or Ecommerce domain experienceExperience with people management responsibilitiesWho you are
You have a passion for software development and a customer-focused mindsetYou are a team player who can work with, and help grow, other developersYou understand the need for constant improvement, self-growth, and accountabilityYou step up to lead features, solve problems, and research new technologiesYou set ambitious goals, and act with a sense of urgency and focusWe know that people are more than what’s on their CV. If you’re unsure that you have the right profile for the role... hit the ‘Apply’ button and give it a try!
What’s in it for you:
Join a growing team and help us move to the next levelAmazing benefits & perks, including equity for all LightspeedersConstant development of both your skill-set and business acumen with limitless growth opportunitiesLots of autonomy, flexible work cultureInnovation time to explore and learn at workShaping the company by joining cultural & technical committeesTons of growth opportunities into technical or people management rolesOpportunity to join a fast-paced, high-growth companyOpportunity to learn, expand your skill set, forge wonderful relationships and make your mark within the diverse and inclusive Lightspeed family, a true Canadian tech success story…. And enjoy a range of benefits that…
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