




Summary: Join NousLib, a rapidly expanding dating platform, as a Senior Ruby on Rails Developer to lead feature development, improve architecture, and drive technical decisions within a remote-first tech team. Highlights: 1. Lead feature work impacting millions of users on a fast-scaling platform 2. Focus on high-impact projects like custom customer service and matching features 3. Collaborate with a senior, distributed team in an async culture Work with NousLib — one of Europe’s fastest\-growing dating platforms **About the Opportunity:** NousLib is not just another dating app. With over 2\.5 million users, triple\-digit growth, and a place in the Top 10 Lifestyle Apps in France, they’re reshaping how open\-minded people connect. As part of their remote\-first tech team via Workana Premium, you’ll join as a Senior Ruby on Rails Developer and lead feature work that touches both product and platform. The app is built on Rails with a sleek mobile webview — and it’s scaling fast across Europe, Japan, and the UK. **What You’ll Build:** **Your first months will focus on two high\-impact projects:** * A custom in\-house customer service platform (think Zendesk, rebuilt for the privacy\-sensitive needs of a dating app) * A story\-based matching feature where users connect through shared fantasies — match on desire, not looks. Both projects will stretch your backend muscles and offer plenty of room to improve architecture, performance, and team processes. **Day\-to\-Day Responsibilities:** * Implement backend features in Ruby on Rails for both web and mobile * Design performant APIs and services that scale * Collaborate with frontend (Vue/React) and mobile freelancers * Refactor legacy logic and improve performance on high\-traffic code * Drive technical decisions as you grow into deeper ownership **Requirements:** * 5\+ years of professional experience with Ruby on Rails * Strong database skills (MySQL, Redis, MongoDB) * Solid frontend awareness (React/Vue, HTML/CSS) — you’ll interface with it, not own it * Collaborative mindset — you’ll work with a distributed team across LATAM and Europe * Familiarity with mobile (Swift/Kotlin) ecosystems is a plus * Self\-sufficient, communicative, and product\-aware **Nice\-to\-Have:** * Hotwire, WebRTC, AI/LLM interest * Experience with moderation tools, chat/messaging features, or user privacy systems **Benefits:** * Fully remote, async culture — work autonomously with no micromanagement * Join a senior team with real product vision * Trip to Paris after 8 months to meet the team ✈️ * Impact features seen by millions of users


