Principal Software Engineer

SupplyHouse.com is an industry-leading e‑commerce company specializing in HVAC, plumbing, heating, and electrical supplies since 2004. We run the largest marketplace for the trades with over 250,000 products and 300,000 customers. Our core values are Generosity, Respect, Innovation, Teamwork, and GRIT , and we are committed to a supportive, diverse, and empowering work environment.

Through an Employer of Record (EOR), we are looking for a Principal Backend Engineer to join our IT team from Canada. This senior technical leader will report to the Sr. Director of IT and will act as a system architect, guiding the design and delivery of scalable, reliable, and high‑performance solutions across our e‑commerce and internal platforms.

Location: Remote from Canada
Role Type: Full‑Time
Schedule: Monday through Friday, 8:00 a.m. to 5:00 p.m. with time‑zone flexibility
Base Salary: $155,000 – $195,000 CAD per year
Travel: 3 visits per year to the headquarters in Melville, NY; travel expenses reimbursed. Remote work is available beyond these visits.

• Architect end‑to‑end software solutions using modern frameworks and design patterns aligned with scalability, performance, and maintainability goals.
• Lead system design discussions for high‑traffic applications, ensuring robust architecture for business‑critical services.
• Evaluate, recommend, and implement architectural improvements to enhance scalability, observability, and resilience.
• Define and uphold best practices for code quality, security, accessibility, and data privacy compliance.
• Lead complex, cross‑functional projects from concept to delivery, aligning engineering solutions with business needs.
• Collaborate with product and business teams to define technical vision and ensure cohesive project execution.
• Oversee the technical implementation of new features and services, ensuring efficient use of system resources and infrastructure.
• Build and maintain distributed systems using Spring Boot microservices, Docker, and Kubernetes.
• Design and optimize high‑performance databases using MySQL and Oracle, leveraging indexing and tuning for efficiency.
• Implement and manage Redis for caching, Eureka Server for service registration, and the ELK Stack for monitoring and analytics.
• Configure Nginx and Apache for load balancing and high availability across production systems.

• Own and maintain CI/CD pipelines using Jenkins for automated builds, testing, and deployments.
• Ensure system health and stability through proactive monitoring, logging, and alerting strategies.
• Drive improvements in deployment automation, infrastructure as code, and site reliability practices.
• Act as a technical advisor and mentor, helping develop engineers’ skills in architecture, design, and problem‑solving.
• Conduct code and design reviews to maintain engineering excellence.
• Collaborate effectively with senior leadership and cross‑departmental stakeholders to influence company‑wide technical initiatives.
• Foster a culture of innovation, ownership, and accountability across the engineering organization.

• Bachelor’s degree or foreign equivalent in Computer Science, Engineering, Information Technology, or related field.
• 10+ years of experience in enterprise‑level software development.
• Advanced proficiency in Java, Spring Boot, Microservices Architecture, MySQL, Oracle, Redis, React, modern front‑end frameworks, Docker, Kubernetes, Jenkins CI/CD, Linux/UNIX, Nginx, Apache, and ELK Stack .
• Deep understanding of data structures, algorithms, and system design principles .
• Proven ability to architect and deliver complex backend systems and mentor technical teams .
• Strong collaboration skills with the ability to influence senior leaders and align multiple teams toward shared goals.

• 100% paid comprehensive and private medical, dental, and vision insurance.
• Employee assistance program (EAP).
• Life and AD&D insurance; spouse and dependent life insurance.
• Short‑ and long‑term disability.
• Paid time off and country‑specific holidays.
• Company‑provided equipment and a one‑time $250 work‑from‑home stipend.
• $750 annual professional development budget.
• Company rewards and recognition program.
• Ownership for All program – every team member benefits from company growth.
• Wellness initiatives supporting work‑life balance.
• Career growth opportunities through hands‑on training, diversity and inclusion initiatives, internal mobility, and a professional development budget.
• Giving back to the trades and organizations worldwide through donation drives, employee‑nominated contributions, and DE&I support.
• Open and respectful environment where every employee has a voice.

Through our partnership with Remote.com, a global Employer of Record, you can join SupplyHouse from home while your employment is handled compliantly and securely. Remote handles payroll, benefits, taxes, and local compliance so you can focus on your work and career growth. Though Remote manages these functions, you remain part of the SupplyHouse team: connected to our culture, collaborating with colleagues, and contributing to our shared success.

• SupplyHouse.com is an Equal Opportunity Employer and strongly values inclusion, encouraging applicants from all backgrounds and experiences.
• All application materials, assessments, and interview responses must be your own original work; the use of AI tools, plagiarism, or any uncredited assistance is not permitted and may result in disqualification.
• We conduct thorough background checks on all potential employees in accordance with applicable laws and regulations.
• All emails from the SupplyHouse team will be sent from an @supplyhouse.com email address; please exercise caution if you receive an email from an alternate domain.