Principal Full Stack Engineer

GRUBBRR®; Boca Raton (FL); On-site; USD 120,000 - 160,000; Full time

Job summary

GRUBBRR is seeking a senior full-stack software engineer to expand and build our next-generation suite of self-ordering applications. We aim to deliver Cloud-native, consumer-first kiosks and online apps across verticals for enterprise clients and small businesses, integrating payment, loyalty, and POS systems.

The role focuses on designing scalable systems, leading a small team, and delivering modular, offline-capable software across web and mobile platforms.

Qualifications

• Minimum 5 years of relevant experience.
• Proficient with Server-side development (.Net Core preferred).
• Proficient with serverless implementation such as Cloud functions.
• Proficient with message broker technology.
• Proficient with data modeling.
• Proficient with HTML5/CSS3/Javascript (ES5/ES6).
• Proficient with a component-based architecture framework (React, Svelte, Angular).
• Proficient with SQL (MSSQL) and document-based databases (Azure NoSQL Cosmos or equivalent).
• 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 managing multiple repositories.
• Proficient in code-sharing techniques such as private NPM packages, monorepos, etc.
• Familiarity with deployment/build pipelines.
• Experience in design systems or shared component ecosystems.
• Experience building offline-first web applications.
• Experience building shared, modular systems for many apps.
• Experience working with unique hardware/browser constraints.
• Experience with SaaS product design and cloud infrastructure.
• Experience with mobile platform/app development.

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 to maintain clean, high-quality codebases.
• Collaborating with architecture team to design and develop various features.

Skills

Full-stack development

Net Core

Serverless

Message brokers

Data modeling

HTML/CSS/JS

React/Svelte/Angular

SQL & Cosmos DB

Event-driven microservices

Team leadership

Git

Monorepos & private NPM

CI/CD pipelines

Offline-first web apps

Hardware/browser constraints

Tools

Git

NPM

CI/CD tooling

Azure Cosmos DB

MS SQL

Job description

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.

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