Senior Fullstack Ruby / Ember Software Engineer

Growth Acceleration Partners•Colorado Springs, CO

15h•Remote

About The Position

We are looking for a Senior Fullstack Ruby/Ember Software Engineer to design, build, and maintain scalable, reliable, and high-performing web applications. In this role, you will take technical ownership across the entire software stack, translating complex product requirements into resilient architectures using Ruby on Rails and Ember.js. Operating with high autonomy within an Agile engineering team, you will drive technical decisions, mentor peers, and collaborate closely with cross-functional partners to deliver seamless, impactful user experiences.

Requirements

5+ years of professional software engineering experience building and maintaining full-stack web applications
3+ years of dedicated, hands-on experience developing backend services with Ruby, with a strong focus on Ruby on Rails
Proven experience developing modern, interactive frontend interfaces using Ember.js or modern JavaScript frameworks
Demonstrated track record in designing, building, and consuming APIs (REST, GraphQL, gRPC)
Solid background in relational database schema design, complex SQL query optimization, and automated testing
Hands-on experience working in containerized environments (Docker, Kubernetes) and deploying through modern CI/CD pipelines
Deep expertise in Ruby, Ruby on Rails, and backend architectural design
Ember.js (or modern JavaScript frameworks), JavaScript (ES6+), HTML5, and CSS3
RESTful APIs, GraphQL, gRPC, relational databases (PostgreSQL, MySQL), and SQL optimization
Automated unit and integration testing frameworks (e.g., RSpec, Minitest, Ember Testing Library)
Docker, Kubernetes, CI/CD tools (GitHub Actions, Jenkins), Git version control, and cloud platforms (AWS, Azure, or GCP)
Advanced English proficiency (written and verbal)
Exceptional technical communication, active listening, and cross-functional collaboration abilities
High degree of technical ownership, self-direction, and a proactive problem-solving mindset
Strong mentoring capabilities and a commitment to knowledge sharing and team growth
Excellent time management, prioritization skills, and agility to adapt to evolving technical requirements

Nice To Haves

Experience integrating AI-assisted development tools (e.g., Cursor, GitHub Copilot, Claude Code) into engineering workflows
Hands-on experience implementing web application security standards (OWASP Top 10, OAuth2)
Advanced performance tuning skills (caching strategies with Redis/Memcached, background jobs, database indexing)
Prior experience collaborating within distributed, remote-first engineering teams

Responsibilities

Architect, develop, test, and maintain robust, scalable full-stack applications using Ruby on Rails and Ember.js
Own feature delivery end-to-end—from architectural planning and task estimation to production deployment and monitoring
Design, implement, and consume efficient APIs (REST, GraphQL, gRPC) connecting frontend interfaces with backend services
Optimize application performance, database queries, and frontend rendering to ensure low latency and high reliability
Write comprehensive unit and integration test suites to maintain code quality, maintainability, and test coverage
Actively participate in architectural discussions, establish engineering best practices, and mentor fellow engineers
Collaborate cross-functionally with Product Managers, UI/UX Designers, and QA Engineers within Scrum/Kanban frameworks