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Added 2 mins ago
KG
Reliability Engineer
Kinross Gold Corporation
Toronto, ON
- Full-time
The Fixed Plant Asset Reliability Engineer, as part of the Asset Management team, plays a vital role in enhancing the reliability, performance, and life cycle management of critical…
Added 2 mins ago
MP
Electrical Engineer
Master Power
Richmond Hill, ON
- Full-time
Master Power provides power generation equipment and engineered electrical solutions for industrial, commercial, and government applications. With roots dating back to 1962, the company…
Added 2 mins ago
HE
Electrical engineer and Automation
Hitachi Energy
Varennes, QC
- $90,000 to $120,000 CAD / year
- Full-time
Join a team that powers homes, schools, hospitals, and industries. As an automation and electrical Project Engineer, you’ll lead the design, implementation, and optimization of industrial…
Added 2 mins ago
CG
Software Engineer III - Financial Services
Cover Genius
Vancouver, BC
- $115,000 to $145,000 CAD / year
- Full-time
As a Software Engineer 3 in the Financial Services and Merchants domain, you will design, build, and maintain solutions for our top-tier partners across multiple platforms. Each partner…
Added 3 mins ago
Senior Rock Mechanics Engineer
WSP
Vancouver, BC
With an unmatched breadth and depth of engineering, advisory and science-based expertise, our global minds unite to power local solutions.
Added 3 mins ago
FT
Senior Workday Functional Specialist
Fanshawe Toronto@ILAC
London, ON
- Full-time
…analyzing business requirements, configuring and testing system solutions, supporting Workday releases, troubleshooting system issues, maintaining documentation, and ensuring the integrity,…
Added 18 mins ago
Electrical Engineer/Technologist
L3Harris Technologies
Enfield, NS
Job Title: Senior Associate, Electrical Engineer
Added 18 mins ago
Electrical Test Engineer
Moment Energy
Surrey, BC
We are seeking a detail-oriented and hands-on Electrical Test Engineer to join our dynamic team. This role is crucial for ensuring the safety, reliability, and performance of our innovative…
Added 29 mins ago
TT
Senior Software Engineer, Observability
Temporal Technologies
Canada
- Full-time
We have an opening for a Senior Software Engineer on our Infrastructure Team, with specific focus on Observability - both internal and customer-facing. This is an opportunity to join a…
Added 32 mins ago
Sr. Mechanical Engineer
Enerflex Ltd
Calgary, AB
The Senior Mechanical Engineer is a hands-on technical lead responsible for the mechanical engineering of modular process and water-treatment equipment packages from proposal and concept…
Added 46 mins ago
WI
Aviation Pavement Engineer
WSP in Canada
BC · British Columbia, Canada
- Full-time
Help shape the future of aviation infrastructure as an Aviation Pavement Engineer. From runway rehabilitation programs to airfield expansion projects, you'll apply your technical expertise…
Added 47 mins ago
H
HVAC Designer
Honeywell
Markham, ON
- Full-time
…development and implementation of our innovative products and solutions. You will work closely with customers and internal teams to ensure successful application and integration of…
Added 1 hour ago
M
AI Infrastructure Engineer
Mission.dev
Canada
- Full-time
As a founding Senior AI Infrastructure Engineer, you will report to the Chief Technology Officer to design and operate large-scale infrastructure for AI workloads on public cloud and…
Added 1 hour ago
HR
Mechanical Engineering Lead
Hughes Recruitment & Strategy Collective
SK · Saskatchewan, Canada
- Full-time
Above all, Denison’s people know their work matters. They are driving climate solutions, advancing projects with integrity, and proving that mining can deliver not just energy; but a better…
Added 1 hour ago
LE
Mechanical Engineer, Fire Protection Systems
LRI Engineering - Fire Protection & Building Code
Toronto, ON
- $80,000 to $130,000 CAD / year
- Full-time
…amazing team in downtown Toronto as a Fire Protection Systems…
Added 1 hour ago
Senior Reliability Engineer
Moment Energy
Surrey, BC
We are seeking a Senior Reliability Engineer to help ensure the long-term reliability, durability, and performance of Moment Energy's battery energy storage systems (BESS). In this role,…
Added 1 hour ago
Waste Engineer-in-Training
GHD Group Pty Ltd
Vancouver, BC
Due to our continued growth, we are seeking a Junior to Intermediate Engineer or Scientist with experience in waste management to join our team in Vancouver, Edmonton, or Calgary.
Added 1 hour ago
Development Lead - Air Canada Mobile Application
Air Canada
Toronto, ON
As the most senior engineer on the mobile application, the Development Lead is both the design authority for the mobile platform and the primary delivery authority within Air Canada’s…
Added 1 hour ago
M(
Principal Full-Stack Developer - Platform & Infrastructure
MaintainX (An Autodesk Company)
Remote, Canada
- $131,000 to $230,000 CAD / year
- Full-time
- Remote
In August 2026 MaintainX became part of Autodesk, joining Autodesk Operations Solutions, the organization unifying Autodesk's operations platform alongside Tandem, FlexSim and Fusion…
Added 1 hour ago
M
Senior AI Engineer, Big Data & AI Solutions
Mastercard
Vancouver, BC
- Full-time
As a Senior AI Engineer, you will work at the intersection of AI engineering and big data engineering, helping improve the models, data assets, and operational processes that power fraud…
Added 1 hour ago
KY
Senior Computer Vision Engineer
Koh Young Technology, Inc.
Vancouver, BC
- Full-time
· Engineer solutions for quality inspection equipment, medical equipment, and more.
Added 1 hour ago
B
Senior Electrical Engineer
BGIS
Toronto, ON
- Full-time
The Senior Electrical Engineer will be a member of the professional services team and provide electrical engineering and design to assigned electrical project deliverables. The Senior…
Added 1 hour ago
M
Principal Full-Stack Developer - Platform & Infrastructure
MaintainX
Montreal, QC
- $131,000 to $230,000 CAD / year
- Full-time
In August 2026 MaintainX became part of Autodesk, joining Autodesk Operations Solutions, the organization unifying Autodesk's operations platform alongside Tandem, FlexSim and Fusion…
Added 1 hour ago
M
Principal Full-Stack Developer - Platform & Infrastructure
MaintainX
Toronto, ON
- $131,000 to $230,000 CAD / year
- Full-time
In August 2026 MaintainX became part of Autodesk, joining Autodesk Operations Solutions, the organization unifying Autodesk's operations platform alongside Tandem, FlexSim and Fusion…
Added 1 hour ago
XC
Senior Developer Engineer/Leader - Montreal
Xcelerated Consulting Group, LLC.
Montreal, QC
- Contract
…support - for regulatory-critical deliverables, ensuring all solutions align with Group standards and stringent regulatory…

Lightspeed Commerce, Inc.

Principal Software Developer

Remote, Canada

Remote

Full-time

Apply About employer

Applications open in a new tab.

Job details

Job type: Full-time
Workplace: Remote
Posting language: English
Posted: Oct 14, 2026

Original job description

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!

We’re looking for a Principal Engineer to help shape the architecture and technical direction of Lightspeed’s Retail Point of Sale experience - the software merchants rely on to run their stores, serve their customers, and keep their businesses moving.

This is a high-impact individual contributor role. You’ll work across teams to make the POS more reliable, scalable, performant, and easier to evolve. You’ll personally contribute to the most important technical problems while raising the quality of engineering across Retail through clear technical leadership, strong judgment, and practical mentorship.

You’ll help us build software that works in the real world: across devices, hardware, networks, payments, inventory, and the many edge cases that make retail challenging. You’ll bring a systems perspective to complex problems while staying close enough to the work to understand the details and help teams deliver.

What you’ll be responsible for

Setting and communicating the architectural direction for key areas of Retail Point of Sale.
Ensuring that systems supporting new POS capabilities are well-designed, secure, scalable, observable, and resilient.
Helping teams design reliable experiences across checkout, hardware, network connectivity, payments, sales, inventory, and order workflows.
Leading architectural deep-dives and identifying opportunities to simplify systems, reduce duplication, improve performance, and lower operational risk.
Driving improvements in reliability, availability, latency, and recovery - especially in the moments that matter most to merchants and their customers.
Identifying recurring sources of incidents, customer pain, and non-project overhead, then creating practical plans to address them.
Establishing and evolving engineering practices across design, testing, deployment, observability, incident management, and technical decision-making.
Partnering with Product, Design, Support, and other engineering leaders to turn ambiguous business and customer problems into sound technical direction.
Mentoring senior engineers and technical leaders, helping them grow their scope and make better decisions independently.
Creating alignment across teams without relying on formal authority, and making thoughtful trade-offs between immediate delivery and long-term platform health.
Contributing to the wider Retail Engineering organization wherever your experience can create leverage.

What you’ll bring to the team

Significant experience designing and building business-critical software systems in production.
A track record of technical leadership across multiple teams or a broad product area.
Experience shaping architecture across a large, evolving system with meaningful scale and operational complexity.
Experience building and operating cloud-based systems with strong expectations for reliability, security, and performance.
A history of delivering important outcomes under challenging timelines and incomplete information.
Strong systems-thinking skills, with the ability to move between product intent, architecture, implementation details, and operational reality.
Experience working across more than one technology stack or technical layer. Our environment includes backend services, web and mobile clients, data stores, APIs, event-driven systems, and infrastructure.
Outstanding written and verbal communication skills, with the ability to make complex ideas clear and decisions concise.
The judgment to moderate technical conversations, navigate disagreement, and move groups toward decisions.
A hands-on approach. You don’t need to write every line of code, but you should be comfortable going deep, prototyping, reviewing designs, and contributing directly when it matters.

Even better if you have, but it’s not required

Experience building point-of-sale, commerce, ecommerce, payments, inventory, or other transaction-heavy systems.
Deep experience with distributed systems, offline-capable software, multi-region systems, or high-availability platforms.
Experience working with hardware integrations, payment terminals, peripherals, or environments with unreliable network connectivity.
Strong understanding of domain-driven design, event-driven architecture, data consistency, and migration strategies.
Experience improving a large or legacy system through incremental modernization rather than a risky rewrite.
Experience leading technical work across web, backend, mobile, and platform teams.
Experience with people management or formal technical leadership responsibilities.

Who you are

You care deeply about the customer and understand that technical decisions should make merchants’ work simpler and more dependable.
You are energized by complex systems and can make them easier for others to understand and improve.
You combine high standards with pragmatism. You know when to invest in the foundation and when to make a focused trade-off to keep moving.
You lead through influence, clarity, and trust rather than title.
You are comfortable being accountable for outcomes that extend beyond your immediate team.
You seek out difficult problems, step into ambiguity, and create momentum.
You are a generous technical partner who makes the people around you stronger.
You communicate directly and respectfully, especially when the stakes are high or opinions differ.
You stay curious, learn from what happens in production, and continuously improve your own judgment.
As a global company with employees and clients outside of Quebec, fluency in English as a working language is required for this position.

Fuel your growth. Find your people.

At Lightspeed, your growth is our priority. We invest in you with continuous learning opportunities, global mobility and benefits designed to support you - all within a driven, diverse and inclusive team that’s passionate about empowering our communities

Please note that we ask applicants to disclose any criminal convictions, and we conduct criminal record checks as part of our hiring process for this role.

To all recruitment agencies: Lightspeed does not accept unsolicited agency resumes. If we have not directly engaged your company in writing to supply candidates for a specific vacancy, Lightspeed will not be responsible for any fees related to unsolicited resumes.

Lightspeed is a proud equal opportunity employer and we are committed to creating an inclusive and barrier-free workplace. Lightspeed welcomes and encourages applications from people with disabilities. Accommodations are available on request for candidates taking part in all aspects of the selection process.

Where to from here?

Obviously, this has to be mutually beneficial: we want you to step into a role you love, and we want to offer you a place you’re proud to come to every day. For a glimpse into our world check out our career page here.

Lightspeed is building communities through commerce, and we need people from all backgrounds and lived experiences to do that. We were founded in 2005, in Montreal’s gay village and our original members were all part of the LGBTQ+ community. The ethos of our business has been about inclusion from the very beginning, and we strive to provide a workplace where everyone belongs.

Who we are:

Powering the businesses that are the backbone of the global economy, Lightspeed's one-stop commerce platform helps merchants innovate to simplify, scale, and provide exceptional customer experiences. Our cloud commerce solution transforms and unifies online and physical operations, multichannel sales, expansion to new locations, global payments, financial solutions, and connection to supplier networks.

Founded in Montréal, Canada in 2005, Lightspeed is dual-listed on the New York Stock Exchange (NYSE: LSPD) and Toronto Stock Exchange (TSX: LSPD). With teams across North America, Europe, and Asia Pacific, the company serves retail, hospitality, and golf businesses in over 100 countries.

Lightspeed handles your information in accordance with our Applicant Privacy Statement.

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More about this job

Responsibilities

You will set the architectural direction for the Retail Point of Sale system to ensure it is scalable, reliable, and performant. Additionally, you will lead technical deep-dives, mentor senior engineers, and partner with cross-functional teams to solve complex business problems.

Requirements

The role requires significant experience in designing and building business-critical, large-scale cloud systems with a focus on operational complexity. You must possess strong systems-thinking skills, a track record of technical leadership, and the ability to communicate complex ideas effectively.

Skills

Software architecture
Systems thinking
Technical leadership
Mentorship
Cloud-based systems
Distributed systems
Reliability engineering
Scalability
Performance optimization
Incident management
Domain-driven design
Event-driven architecture
API design
Hardware integration
Communication skills
Strategic decision-making

Benefits

Global mobility
Inclusive workplace

Remote locations

Canada

Remote locations (standardized)

Canada

Visa sponsorship

Not detected in the job text

Keywords

Software architecture
Point of Sale
Retail
Cloud-based systems
Distributed systems
Scalability
Reliability
Observability
API
Event-driven architecture
Domain-driven design
Hardware integration
Mentorship
Technical leadership
Performance engineering
Incident management
Modernization
Systems thinking
Backend
Mobile
Web
Data stores
Infrastructure
Payments
Inventory
Commerce
High-availability
Software development
Engineering practices
Technical strategy

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