Job Title: Principal Ruby Developer
Location: Belfast (Hybrid or Remote within NI)
Salary: Up to £90,000 + bonus
Type: Full-time, Permanent
Overview:
We're hiring a Principal Ruby Developer to join one of the most exciting engineering teams in Belfast. Locally owned and growing fast, this company is building an in-house platform that's helping blue-chip clients optimise delivery in their field, and they're setting the pace across the sector.
This is a brilliant opportunity to join a team that's on the rise, at a time when many in the market are standing still. You'll play a central role in shaping a high-impact product used across global client operations.
Key Responsibilities:
Lead the evolution of a modern Ruby codebase in a collaborative, product-focused team
Assist architectural decisions and mentor other developers across best practices
Solve complex technical problems with elegant, maintainable code
Drive continuous improvement, from testing to CI/CD pipelines
Collaborate closely with Product, Design, and DevOps to ensure delivery excellence
Requirements:
Proven experience in Ruby on Rails at a senior or principal level
A passion for building clean, scalable, production-ready systems
Experience working in product-led environments or scaling platforms
Strong communication and a desire to contribute to team culture and growth
Any exposure to modern DevOps, frontend, or cloud tools is a bonus
Why Join?
One of the most exciting engineering teams in Belfast, with real ownership and vision
Local founders, ambitious growth plans, and momentum in a tough market
Up to £85k + bonus + equity options
High autonomy, high impact, and the chance to help shape the future of the platform
Apply here or reach out to Aaron Somers at Ocho for more information via LinkedIn.