Software Engineer

Winmark Corporation•Plymouth, MN

34d

About The Position

Winmark Corporation is a nationally recognized franchisor of the resale retail brands: Once Upon A Child®, Plato’s Closet®, Play It Again Sports®, Music Go Round® and Style Encore®. Our software engineer team builds and operates the technology platforms that power thousands of resale franchise locations across North America. Our brands rely on proprietary point-of-sale and enterprise systems to run their businesses every day. This role designs, evolves, and supports the core retail platform systems that power store operations at scale. Engineers in this role shape architectural direction, partner on complex initiatives from design through production operation, and are directly accountable for system reliability, performance, and operational continuity.

Requirements

4-year degree in Computer Science or Computer Engineering or related field of study.
7+ years building and operating production-grade systems.
Ownership of complex systems from architecture through production operation
Ability to diagnose and resolve production issues using logs, metrics, and debugging tools
Experience operating transactional systems involving inventory, payments, or financial records
Relational or non-relational data modeling for transactional workloads
Backend service development using TypeScript, Node.js, Nest.js .NET, or comparable frameworks
Modern frontend development using React or similar frameworks
Automated testing strategies spanning unit, integration, and end-to-end layers

Nice To Haves

Retail or multi-location franchisee systems
Distributed or offline-first architectures
Payments, hardware integrations, or third-party APIs
Supporting legacy systems during modernization.

Responsibilities

Architect and evolve core point-of-sale and enterprise systems supporting thousands of retail locations
Partner on complex initiatives from technical design through deployment and ongoing production ownership
Modernize legacy platform components while preserving operational stability for active stores
Design backend services, frontend applications, and data models for long-term maintainability
Translate business requirements into durable technical designs and implementation decisions
Diagnose and resolve production issues across application, data, and infrastructure layers
Design systems that maintain reliability and performance under real transactional workloads
Implement testing strategies that protect critical workflows and enable safe releases
Improve engineering quality through design reviews, code reviews, and technical guidance
Make technical tradeoffs balancing delivery speed, scalability, reliability, and business risk