Senior Full Stack Developer, React, Node.js, JS, CSS

🕒 June 5

⛰️ Colorado – Remote

⛰️ Colorado – Remote

💵 $69k - $95k / year

⏰ Full Time

🟠 Senior

🔙 Backend Engineer

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Instrumental Group

WebsiteLinkedInAll Job Openings

51 - 200 employees

🏥 Healthcare

🏭 Manufacturing

💼 Consulting

Healthcare • Manufacturing • Consulting

Instrumental Group is a full-service digital agency dedicated to helping organizations scale with the help of HubSpot. With expertise in both creative and technical domains, Instrumental Group provides strategic digital solutions, including website development, systems integration, and custom applications, all aimed at enhancing business performance for mid-to-enterprise level clients globally. As an elite HubSpot partner, the company offers accredited solutions across various industries, with a strong focus on healthcare, manufacturing, SaaS, and finance. They are committed to putting the customer first, delivering growth-oriented results, and supporting enterprise clients with a range of award-winning strategies and services.

📋 Description

• 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 • Develop and maintain HubSpot CMS themes, templates, and modules (training provided if needed) • Ensure high-quality, performant, and accessible web experiences • Work within project management tools (ClickUp, Jira, Asana, or Teamwork), Slack, and GitHub • Collaborate with designers and strategists to translate requirements into technical solutions • Stay current with modern web technologies and best practices

🎯 Requirements

• 5+ years of professional full-stack JavaScript development experience • Strong proficiency in React.js and state management (Redux, Zustand, Context API, etc.) • Solid experience with Node.js (Express, serverless functions, API development) • Strong understanding of modern CSS (SCSS, Tailwind, CSS-in-JS, Grid, Flex, etc.) • Experience working with APIs and data fetching (Axios or similar) • Strong Git workflow experience (branches, pull requests, code reviews) • Willingness to learn HubSpot CMS and CRM development • Bonus Experience (Not Required, But Nice to Have) • Experience with HubSpot CMS and HubL • Experience building HubSpot CRM UI Extensions • Familiarity with GraphQL and REST APIs • Experience with other CMS platforms (WordPress, etc.) • Experience with backend languages (Python, PHP, Go, Elixir) • Experience with databases (PostgreSQL, MongoDB, Firebase, Supabase, MySQL, Convex) • Experience deploying apps to Vercel, Netlify, Render, or DigitalOcean • Spanish fluency (a plus, not required)

🏖️ Benefits

• Comprehensive medical, dental, and vision insurance • Short-term and long-term disability coverage • Accident insurance for additional peace of mind • 401(k) retirement plan • 15 paid holidays plus generous PTO • Quarterly incentive plan • Collaborative, high-performance team culture • Award-winning workplace recognized by Inc. and Great Place to Work