Senior Full Stack Developer (React, Node.js, JS & CSS)

Role Overview

Join Instrumental as a Senior Full Stack Developer to build modern web applications, custom HubSpot solutions, and scalable backend systems. Work closely with designers, strategists, and other developers to deliver high-quality digital experiences.

What You Will Do

Build and maintain applications using React and Node.js, develop HubSpot CRM UI Extensions and interactive front-end components, create serverless functions and custom-coded workflow actions using Node.js, and ensure high-quality, performant, and accessible web experiences.

Why It Might Be a Fit

You are a strong digital professional who understands how great design supports user experience, marketing performance, and business outcomes. You are confident collaborating across cross-functional teams, translating strategy into thoughtful execution, and managing multiple priorities in a fast-paced environment.

Requirements

• 5+ years of professional full-stack JavaScript development experience
• Strong proficiency in React.js and state management
• Solid experience with Node.js
• Strong understanding of modern CSS
• Experience working with APIs and data fetching
• Strong Git workflow experience

Benefits

• Comprehensive medical, dental, and vision insurance
• Short-term and long-term disability coverage
• Accident insurance
• 401(k) retirement plan
• 15 paid holidays plus generous PTO
• Quarterly incentive plan