pbLocation: /b Fully remote – Europe (CET ±3 hours)br/bSalary: /b €75,000–€105,000/year, depending on location and experiencebr/bContract: /b B2B preferred, flexiblebr/bExperience: /b 5+ yearsbr/bImportant: /b Must be comfortable working with explicit NSFW content.
/ph3About the Role /h3pWe're looking for an experienced bSenior Ruby on Rails Engineer /b to join a fast-growing AI technology company behind an AI companionship platform used by millions worldwide.
/ppYou'll work on scalable, AI-powered applications, developing new features and improving existing functionality alongside the CTO, Tech Lead and wider engineering team.
/ppThis is a hands-on individual contributor role for someone who enjoys coding, taking ownership and delivering high-quality solutions in a fast-moving environment.
/ph3Key Responsibilities /h3ullipDesign, develop and maintain scalable backend applications using Ruby on Rails.
/p /lilipBuild new features and improve existing platform functionality.
/p /lilipWork with Product Managers to translate requirements into technical solutions and estimate development efforts.
/p /lilipWrite clean, maintainable, well-tested production code.
/p /lilipParticipate in code reviews, testing and technical decision-making.
/p /lilipTroubleshoot issues and improve application performance, reliability and scalability.
/p /lilipCollaborate with distributed engineering, product and infrastructure teams.
/p /li /ulh3Requirements /h3ullip5+ years of commercial experience in backend or full-stack software engineering.
/p /lilipStrong, hands-on Ruby on Rails experience,



ideally recent and in production.
/p /lilipExperience building and scaling production applications with real users.
/p /lilipAbility to take ownership of features from requirements through development, testing and deployment.
/p /lilipPrevious experience in a startup, scale-up or similarly fast-paced environment.
/p /lilipStrong problem-solving skills and the ability to balance code quality with delivery speed.
/p /lilipExcellent English and experience working with international teams.
/p /lilipFull comfort working with uncensored AI companionship products and explicit NSFW content.
/p /li /ulh3Tech Stack /h3pRuby on Rails, PostgreSQL, Redis, Hotwire (Turbo and Stimulus) and Tailwind CSS.
/ph3Nice to Have /h3ullipExperience with generative AI, LLMs, NLP or machine learning.
/p /lilipFamiliarity with modern Rails development practices and AI-assisted coding tools.
/p /lilipExperience working with globally distributed engineering teams.
/p /li /ulh3What's on Offer?
/h3ullip100% remote working.
/p /lilipCompetitive salary, depending on location and experience.
/p /lilipDirect collaboration with senior engineering leadership.
/p /lilipOpportunity to influence technical decisions and product development.
/p /lilip20 days of paid annual leave.
/p /lilipLearning and development budget, health and wellbeing support.
/p /lilipCompany laptop and equipment.
/p /lilipAccess to AI development tools, including Cursor, Claude Code and ChatGPT.
/p /lilipAnnual company gathering.
/p /li /ul #J-*****-Ljbffr

📌 Senior Ruby On Rails Engineer (Remote) (Lazio)
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📍 Lazio