Senior Full-Stack Developer (f/m/x)
With our award-winning SaaS solution for digital preboarding, onboarding, and learning & development, we are helping companies train their employees and make them ready to be productive. Companies can quickly and easily digitize knowledge and create didactically valuable training formats from it.
We are based in Berlin (Germany) and Bucharest (Romania) and support remote work.
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.
Tasks
- 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
Requirements
- 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 build on the idea of life-long learning. We offer a budget for your development and training needs.
Our 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
elearnio is committed to diversity, equity, and inclusion. We believe our team should reflect a rich diversity, so we encourage people of all backgrounds to apply. We're an Equal Opportunity Employer and do not discriminate based on race, color, gender, sexual orientation, gender identity or expression, age, religion, disability, national origin, veteran status, or any other status.
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