Overview For our development center in Lindau am Bodensee, we are looking for the Fullstack Developer. On-site in Lindau with home office possibility Full- or part-time Junior - Senior level A current CV is sufficient. We look forward to receiving your application. Tasks Join our team and help shape the future of our blockchain-based trading platform. Depending on your strengths and interests, you’ll contribute to one or more of the following areas: Build and enhance frontend features using Vue.js and TypeScript, including Web3 integrations Develop and maintain microservices with Java (Spring Boot) on Kubernetes/AWS Write and deploy smart contracts in Solidity or Rust Implement AWS Lambda functions and contribute to infrastructure automation Extend our simulation and validation framework in Java or Python Improve our DevOps pipelines and cloud infrastructure You'll also design and implement unit and end-to-end API tests, troubleshoot issues, and contribute to the continuous improvement of our system. Your profile Willing to relocate or already based near Lindau, with availability for on-site collaboration at least 2 days per week Experience with microservice development using Java and Spring Boot Solid understanding of database technologies and the Java Persistence API (JPA) Comfortable working in an agile, fast-paced environment Familiarity with some of the technologies mentioned above (e.g., Vue.js, AWS, Solidity, Kubernetes) Eagerness to learn new tools, frameworks, and concepts Why us? Impact : At 21X you can make a difference. Take your chance to help shape the world of finance with your skills Growth : You have the opportunity to be part of a rapidly growing company with great opportunities for further training and advancement Appreciation : We welcome your experience and skills – 21X is always open to your suggestions and ideas Responsibility : Take responsibility and set your own goals to be able to use your full potential Flexibility : Whether Early Bird or Night Owl - find your ideal working rhythm About us 21X is a Frankfurt-based fintech at the forefront of revolutionizing capital markets through the use of blockchain technology for the trading and settlement of digital securities. In December 2024 we secured our license to launch and operate a ground-breaking DLT trading and settlement system (DLT TSS) trading venue, a milestone that positions the company as a leader in the transition to digital finance. 21X is ideally positioned to enable smart contract-based issuance, trading and settlement of tokenized stocks, bonds and funds, offering unparalleled transparency, efficiency and security. The 21X exchange is set to launch in the spring of 2025, bringing the future of capital markets to life. We are a highly motivated global team of experts with a deep knowledge of capital markets, digital assets and public blockchains.