elearnio GmbH

Role Description To grow our development team, we are currently looking for a Senior Full-Stack Developer (m/f/x). If you are passionate about understanding customer problems, designing solutions, and building the required software, let us talk. Your work can impact the future of digital learning & development for the years to come. - Develop, shape and maintain our modern responsive frontend and backend applications in a test-driven manner within an agile environment. - Improve our interactive learning environment by creating new features across the entire stack, and increasing its reliability and performance. - Design and implement intuitive user interfaces and seamless user experiences while building robust backend systems to power them. - Design and improve APIs to enable integrations with other tools in the HR system tech stack. - Build and enhance a real-time reporting system for gaining insights into our customers' learning, from data processing to interactive dashboards. - Design and implement AI-powered product features using large language models (LLMs), including content generation, AI-assisted user experiences and other AI-driven capabilities. - In a team, decide on all technical and design challenges and lay the foundation to scale our business. We work with: - Ruby on Rails and NodeJS in backend and TypeScript/JavaScript (Angular) ecosystem in frontend. - PostgreSQL and Redis, serverless hosting in AWS, using various AWS services. - CI/CD tooling with on-demand staging for every PR. - LLMs and AI solutions for content creation, summarization, and data analysis. Qualifications - Minimum of 5 years of experience developing web applications with modern frameworks (Ruby on Rails, Node.js, or similar backend; Angular or similar frontend). - Strong full-stack capabilities with the ability to build features end-to-end, from database to user interface. - Great understanding of relational and NoSQL databases. - Experience working with LLMs and AI APIs (OpenAI, Anthropic, or similar) and integrating AI features into applications. - Passion for testing best practices; you can write unit tests and have experience in test automation frameworks. - Experience with CI/CD pipelines and cloud infrastructure (AWS experience is a plus). - Proven empathy for our customers and ability to translate user needs into technical solutions. - Keen to take over end-to-end responsibility for features. - Fluent in English. Benefits - After your onboarding using our own tool, you will get responsibility and be able to contribute immediately. - We have a solid business, but are hungry for the next level of growth. You can be part of a joyful ride. - We have offices in Berlin, Germany and Bucharest, Romania. We also believe in the power of working remotely. So it is your choice from where you work. - We support flexible working hours. So it is your choice when you work. - elearnio is built on the idea of life-long learning. We offer a budget for your development and training needs. Application Process - Complete an online self-assessment (10 minutes). - Take-home engineering challenge. - Technical Interview with your future team members (60 minutes). - Interview with our Managing Director (30 minutes). - Offer extended to successful applicants.