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Principal Full Stack Engineer

PublishedPublished: 9/19/2026
GRUBBRR is seeking a senior full-stack software engineer to help expand and build our next-generation suite of self-ordering applications. We strive to build Cloud-native, consumer-first, UX-friendly kiosks and online applications across a variety of verticals supporting enterprise clients and small businesses. Behind our consumer applications, we integrate and interact with a deep stack of payment, loyalty, and POS systems.

Our challenge and goal is to provide a frictionless experience for our end-consumers and easy-to-use management capabilities for our customers to work with the variety of systems that already power their businesses.

Experience Required:

• Minimum 5 years of relevant experience

• Proficient with Server-side development (.Net Core preferred)

• Proficient with serverless implementation such as Cloud functions

• Proficient working with message broker technology

• Proficient with data modeling

• Proficient with HTML5/CSS3/Javascript (ES5/ES6)

• Proficient with a component-based architecture framework (i.e React, Svelte, Angular)

• Proficient with SQL (such as MSSQL) and document-based (Azure NoSQL Cosmos or equivalent) database technologies

• Good understanding of Event-Driven Microservices Architecture

• Experience leading a small team of developers as technical lead

• Proficient in utilizing Git for merging, reverting and otherwise managing multiple repositories

• Proficient in code-sharing techniques such as maintaining private NPM packages, monorepos, etc

• Familiarity and comfort with setting up deployment and build pipelines

• Experience working in a design system or shared component ecosystem

• Experience working with / building offline-first web applications

• Experience building shared, modular systems to support and be consumed by many applications

• Experience working with unique hardware/browser constraints

• Experience with designing SaaS products and cloud infrastructure

• Experience with Mobile platform/app development

Key Responsibilities:

• Developing architecture, UIs and backend services for our products

• Extending our current toolchain and shared libraries for new use-cases and custom applications

• Reviewing code and providing guidance/feedback to other team members to maintain clean, high-quality codebases

• Collaborating with architecture team to design and develop various features