Ruby on Rails Developer

To take ownership of bug fixing and incremental improvements across an existing Ruby on Rails platform, ensuring issues are resolved efficiently and the application remains stable, secure, and production-ready as customer demand increases., Investigate, diagnose, and resolve bugs within a live Ruby on Rails codebase Deliver small enhancements and refinements to improve platform reliability Work closely with the technical lead to prioritise and deploy fixes Support internal teams where platform issues affect customer delivery Contribute to improving documentation, structure, and overall code quality, Technical discussion with Head of Tech Final conversation focused on delivery approach and cultural fit

Notes / Constraints

UK-based candidates only Must be comfortable working within a security-conscious environment This role is focused on bug fixing and platform reliability rather than new feature ownership

Commercial experience working with Ruby on Rails Strong debugging and troubleshooting capability Experience working within an existing production codebase UK-based with ability to attend initial on-site onboarding in Birmingham

Nice to Have

Experience within SaaS or cyber security environments Familiarity with Linux environments Exposure to virtualised infrastructure or cloud-based hosting Experience working in small, fast-moving engineering teams, Successfully resolve smaller bugs independently Demonstrate clear communication with the technical lead 60 Days

Confidently handle more complex bug investigations Begin identifying recurring stability issues and suggesting improvements Reduce backlog items through consistent delivery 90 Days

Fully embedded in the engineering workflow Owning bug triage and resolution process Contributing to platform reliability improvements beyond reactive fixes

Working Style and Culture Fit

Comfortable working within a close-knit, founder-led environment Pragmatic, delivery-focused mindset Clear communicator, able to explain technical issues simply Ideally able to spend initial time on-site in Birmingham before moving to a more flexible hybrid arrangement

Our client is a UK-based cyber security business operating in the supply chain and vulnerability scanning space. Following continued commercial growth and increased enterprise engagement, they are strengthening platform stability and internal engineering capability. This hire exists to improve reliability, the core product is built in Ruby on Rails and is live with paying customers. As usage increases, the focus is on resolving bugs efficiently, improving code quality, and ensuring the platform behaves consistently under load. This is not a greenfield build, it is a hands-on stabilisation and improvement role inside a growing cyber technology environment.