Senior Fullstack Ember / Ruby Software Engineer (Frontend-Focused)

Growth Acceleration Partners • Colorado Springs, CO

6d

About The Position

We are looking for a Senior Fullstack Software Engineer with a strong frontend focus in Ember.js, combined with solid backend experience in Ruby on Rails. In this role, you will lead the development of user-facing features while contributing to backend services that support scalable, reliable applications.
You bring deep experience building complex frontend applications, a strong eye for usability and maintainability, and the ability to collaborate closely with backend engineers, designers, and product stakeholders. While frontend is your primary strength, you are comfortable working across the stack and contributing to architectural and technical decisions.

Requirements

• Bachelor’s Degree in Computer Science or a related field.
• 5+ years of experience building software applications in production environments.
• 3+ years of hands-on experience developing frontend applications using Ember.js.
• Professional experience working with Ruby and Ruby on Rails in fullstack teams.
• Experience owning and delivering user-facing features end to end.
• Strong expertise in Ember.js, including components, services, routing, and state management.
• Proficiency in JavaScript, HTML, and CSS, with a solid understanding of responsive design and UI best practices.
• Experience translating product and design requirements into clean, maintainable UI implementations.
• Familiarity with frontend testing practices and tools (unit, integration, and acceptance tests).
• Ability to optimize frontend performance, accessibility, and usability.
• Experience building and maintaining backend services using Ruby on Rails.
• Strong understanding of API-driven architectures (REST, GraphQL, gRPC).
• Experience working with relational databases and SQL.
• Familiarity with authentication, authorization, and secure data handling.
• Experience with version control systems (Git, GitHub, GitLab).
• Familiarity with Agile methodologies (Scrum, Kanban).
• Experience with CI/CD pipelines (GitHub Actions, Jenkins).
• Exposure to containerized environments (Docker, Kubernetes).
• Experience working with cloud platforms such as AWS, Azure, or GCP.
• Advanced English proficiency (written and verbal).
• Strong communication skills and ability to collaborate with designers, product managers, and engineers.
• Comfortable mentoring peers and contributing to shared frontend standards and best practices.
• Strong time management skills and ability to balance multiple priorities.
• Proactive, detail-oriented, and ownership-driven mindset.
• Open to learning and evolving with new frontend and fullstack technologies.

Nice To Haves

• Experience improving frontend architecture in large or long-lived Ember applications.
• Knowledge of security best practices (e.g., OWASP, OAuth).
• Experience with performance optimization across frontend and backend layers.
• Background working in SaaS or data-intensive products.

Responsibilities

• Lead the development of user-facing features
• Contributing to backend services that support scalable, reliable applications
• Collaborate closely with backend engineers, designers, and product stakeholders
• Comfortable working across the stack and contributing to architectural and technical decisions

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Number of Employees: 251-500 employees