Principal Software Developer

🕒 September 23

🇨🇦 Canada – Remote

⏰ Full Time

🔴 Lead

🧑‍💻 Full-stack Engineer

👻 Ghost score 20%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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Lightspeed Commerce

WebsiteLinkedInAll Job Openings

1001 - 5000 employees

Founded 2005

☁️ SaaS

🛒 Retail

SaaS • Retail

Lightspeed Commerce is a cloud-based point-of-sale (POS) and payments SaaS platform that powers in-person and online commerce for retailers, restaurants, golf facilities and wholesalers. It provides omnichannel POS, inventory management, eCommerce, payments and reconciliation, workforce and payroll, analytics/insights (including Lightspeed AI), hardware integrations, capital/funding, and wholesale tools (NuORDER). Lightspeed emphasizes scalable, customizable systems for multi-location businesses and reports supporting ~150,000 customer locations worldwide.

📋 Description

• Shape the architecture and technical direction of Lightspeed’s Retail Point of Sale (POS) experience • Define and communicate the architectural vision for key areas of the Retail POS • Ensure systems are well-designed, secure, scalable, observable, and resilient • Help teams design reliable experiences for checkout, hardware, network connectivity, payments, sales, inventory, and order flows • Lead architectural reviews and identify opportunities to simplify systems, reduce duplication, improve performance, and lower operational risk • Drive improvements in reliability, availability, latency, and recovery • Identify recurring sources of incidents, customer pain points, and unplanned operational workload, then develop action plans • Establish and evolve engineering practices for design, testing, deployment, observability, incident management, and technical decision-making • Collaborate with product, design, support, and engineering leaders • Coach and guide senior engineers and technical leaders • Build alignment across teams without formal authority and balance immediate delivery with the platform’s long-term health • Contribute to the Retail engineering organization wherever the experience can create leverage

🎯 Requirements

• Significant experience designing and developing mission-critical software systems in production environments • Demonstrated track record of technical leadership across multiple teams or across a broad product scope • Experience shaping architectures within large-scale, scalable systems with significant operational scale and complexity • Experience building and operating cloud systems subject to high reliability, security, and performance requirements • Proven ability to deliver key outcomes on tight timelines and with incomplete information • Strong systems-thinking skills • Experience working across multiple technology stacks or technical layers, including backend, web and mobile clients, databases, APIs, event-driven systems, and infrastructure • Excellent written and verbal communication skills • Ability to simplify complex ideas and make decisions concise • Sound judgment to moderate technical discussions, manage disagreements, and guide groups toward clear decisions • Hands-on approach, with the ability to dive deep, prototype, review architectures, and contribute directly • Fluency in English as a working language is required • Disclosure of any criminal convictions and a criminal background check are required as part of the hiring process • Nice to have: point-of-sale systems, e-commerce, payments, inventory management, or high-volume transaction systems • Nice to have: distributed systems, offline software, multi-region architectures, or highly available platforms • Nice to have: hardware integrations, payment terminals, peripherals, or unreliable network connectivity • Nice to have: Domain-Driven Design, event-driven architectures, data consistency, and migration strategies • Nice to have: incremental modernization of large or legacy systems • Nice to have: technical initiatives spanning web, backend, mobile, and platform teams • Nice to have: people management or formal technical leadership responsibilities

🏖️ Benefits

• Flexible work environment • A culture that celebrates performance • The opportunity to make an impact on a team offering career growth opportunities • Opportunities that will shape your career • Flexible paid time off and remote work policies • Stock options • Retirement plan contributions • Learning and career development opportunities • Health and wellness allowance • Volunteer time off • Employee interest groups and sponsored sports teams • Computer purchase program to acquire a personal MacBook • Enhanced parental leave • Continuous learning • International mobility • Benefits designed to support employees