Full-Stack & Mobile Engineer

Intro For this position we are only looking for candidates located in Greece, Germany or Austria . Nairon GmbH is a Swiss startup building AI voice agents that answer and make phone calls for businesses. Our platform runs real-time conversations over the phone and on the web, connected to our customers' telephony and business tools. We value clear communication, thoughtful engineering, and a collaborative approach to problem-solving. Join us as we continue to develop tools that make a difference. Tasks As a Full-Stack & Mobile Engineer at Nairon GmbH, you will build our product on the web and on the phone in the customer's hand. Your responsibilities will include: Designing, developing and maintaining our web application with Next.js, React, Tailwind CSS and TypeScript : the flow editor, call analytics, billing and partner tools. Building our native companion app with Expo / React Native or Swift . Building features across the stack, from the user interface to the database with Prisma and PostgreSQL, and the Python services behind them. Owning features end to end: turning customer needs into requirements, shipping them and checking that they help. Applying DevOps practices to support development and deployment, including Docker and, when appropriate, Kubernetes . Participating in technical discussions, code reviews and architectural planning

• Experience: Any relevant experience in web or mobile development is welcome; we are open to junior, mid-level and senior candidates who demonstrate strong practical skills and a willingness to learn.
• Technical Skills: Required: Proficiency with Next.js , React and TypeScript .
• Experience building mobile apps with Expo / React Native , Swift or a comparable stack

• Tailwind CSS , Prisma , PostgreSQL or Supabase .
• Python and FastAPI for backend services.
• Docker and Kubernetes basics; experience with real-time features, audio or AI products.
• Communication: English proficiency is essential , both written and spoken, as it is the working language for all positions.
• German is a plus.
• Soft Skills: Ability to work independently and as part of a distributed team.
• Product sense: you ask why before you build.
• Willingness to take ownership of features and contribute to team discussions

Flexible Work Setup: Work fully remotely or from a co-working space - whichever suits you best. Equipment Provided: Company laptop and phone provided for all employees. Collaborative Environment: Join a small, agile team where your contributions have a direct impact. Growth Opportunities: Web, backend and mobile in one role, with the chance to expand into AI-related work over time. Closing If you're excited about building a product people use on the web and on their phones, we'd love to hear from you.