> JEyes / Rails

Copper CRM, a SaaS company revolutionizing CRM software with a Google Workspace-native tool, is seeking a Staff Software Engineer. This role involves technical leadership, architectural guidance, and mentoring within a collaborative environment. The required tech stack includes Ruby on Rails, Ember.js, WebExtensions, Postgres, OpenSearch, Redis, Resque, Docker, and Kubernetes. Minimum requirements are 8+ years of backend engineering experience, with at least 2 years in a Staff role, proficiency in Ruby on Rails, deep knowledge of distributed systems, databases, API architecture, and experience with CI/CD and Kubernetes environments.

Engine, a fintech and travel platform company, is seeking a Senior Engineering Manager to lead teams focused on the lodging search and rooms product areas. Requires 5+ years of engineering management experience. Key technologies include TypeScript/Node.js, Java/Kotlin, Ruby on Rails, AWS, and Datadog.

elearnio GmbH, a Berlin/Bucharest-based SaaS company in the HR tech sector, is looking for a Senior Full-Stack Developer for their remote EU team. The role involves developing and maintaining their award-winning onboarding and training platform, including new features, integrations, and AI-powered capabilities (LLMs). Key technologies include Ruby on Rails, NodeJS, TypeScript/JavaScript (Angular), PostgreSQL, Redis, and AWS. Minimum requirements include 5 years of web application development experience, strong full-stack skills, database knowledge (relational/NoSQL), experience with LLMs/AI APIs, and testing best practices.