Senior Full-Stack UI Developer

Quantum Corporation leads the world in helping users collaboratively solve some of the world's hardest computer challenges. Whether its wrangling Petabytes of data for cutting edge movie production, managing global content production workflows, exploring new sources of energy, or managing oceans of content and blending collaborative high-speed workflows with cutting-edge object storage, Quantum has the tools and technology to help you engineer the solution that works now - and preserves your work for decades to come. You are applying to an exceptional team that contributes to enhancing our position as a proven global expert in data management.

Overview

We are seeking a Senior Full-Stack UI Developer with strong expertise in React and Backend-for-Frontend (BFF) architectures to join our engineering team in Centennial, Colorado. In this role, you will take technical ownership of user-facing applications, spanning front-end architecture and UI-focused backend services that enable performance, scalable, and intuitive enterprise experiences.

You will work closely with product management, UX designers, and backend platform teams to translate product vision and Figma-based designs into robust, production-ready solutions. This role blends hands-on development with technical leadership, mentoring, and architectural influence across the UI stack.

Key Responsibilities

• Design, architect, and develop modern web applications using React and Build and maintain Backend-for-Frontend (BFF) services that aggregate, adapt, and optimize backend APIs for UI consumption.
• Collaborate with UX and product teams to translate Figma designs into high-quality, reusable UI components aligned with design systems.
• Define and evolve front-end and BFF architectures with a focus on performance, scalability, security, and maintainability.
• Partner with backend engineers to define API contracts and data models that support complex enterprise workflows.
• Drive UI performance optimization, accessibility, and cross-browser
• Lead code reviews, establish best practices, and ensure consistent engineering standards across UI and BFF layers.
• Mentor junior and mid-level engineers and contribute to raising the overall quality bar of the Proactively identify technical debt and lead refactoring or modernization efforts where needed.
• Stay current with modern UI, full-stack, and API design trends and recommend adoption where

Qualifications

Required

• Bachelor’s degree in computer science, Computer Engineering, or a related field (or equivalent practical experience).
• 8+ years of professional experience building user-facing web
• Strong hands-on experience with React in production
• Experience designing and implementing BFF or UI-focused backend services (Node.js, REST, GraphQL, or similar).
• Advanced proficiency in JavaScript (ES6+), TypeScript, HTML5, and
• Experience working closely with UX teams and implementing designs from Figma or similar design
• Strong understanding of responsive design, accessibility standards, and browser
• Experience integrating front-end applications with RESTful and/or GraphQL
• Solid experience with Git and modern CI/CD
• Strong debugging and troubleshooting skills across front-end and API
• Ability to work effectively in a collaborative, in-office engineering

Preferred

• Experience with enterprise-scale or data-intensive
• Background in storage, infrastructure, or distributed
• Experience building and maintaining reusable UI component libraries or design
• Familiarity with API security, authentication, and authorization
• Experience working in Agile/Scrum development

Soft Skills

• Strong technical leadership and problem-solving
• Clear, concise communication with both technical and non-technical
• High attention to detail and commitment to quality and
• Ability to influence architectural direction across the UI and API
• Comfort balancing hands-on development with mentorship and technical

Quantum provides a diverse portfolio of health plans for medical and prescription, dental, vision, life, disability, and supplemental medical insurance options. We also support our team members’ efforts to develop and maintain a healthy lifestyle through reimbursement and educational programs. Quantum offers a company-matched 401(k) plan to help employees save for retirement in a tax-advantaged way. We also have an Employee Stock Purchase Program for purchasing Quantum stock at a discounted rate.

Anticipated Salary Range: $125,000 - $150,000 for qualified applicants. 

The above pay range represents Quantum's good faith and reasonable estimate of possible compensation at the time of posting. Pay within the range will be based on a variety of factors, including but not limited to, relevant experience, knowledge/education, skills/abilities, internal equity, and budgetary considerations.

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