Job Title: Senior / Staff Ruby on Rails Engineer
Salary: £80k-£100k + Equity
Company Description: Fast-growing HR-tech SaaS platform
Location: London, UK
Job Description: You will lead the technical evolution of a high-impact platform connecting elite professionals with global leadership opportunities. This role involves decoupling a mature Rails monolith into modern services, building AI-enhanced matching tools, and mentoring a talented engineering team. You will drive technical strategy while shipping end-to-end features in a collaborative, cross-functional environment.
Why this role is remarkable:
Impactful mission-driven work focused on democratizing access to senior-level career opportunities globally.
Profitable and stable scale-up recognized for rapid growth and a commitment to technical excellence.
High-agency environment where you will influence architectural decisions and lead significant 0-to-1 technical initiatives.
What you will do:
Lead the migration of core platform services from a monolithic architecture to more scalable, maintainable systems.
Develop and implement AI-powered discovery features to improve matching efficiency for high-stakes professional placements.
Mentor mid-level engineers through code reviews and architectural guidance to foster a culture of continuous learning.
The ideal candidate:
10+ years of professional experience with Ruby on Rails and a deep understanding of web application architecture.
Strong full-stack proficiency including modern JavaScript frameworks like Vue.js or React and CSS frameworks like Tailwind.
Proven track record of autonomously solving complex problems and driving technical change in a fast-paced startup environment.