**Job Offer: Backend Developer (Full time)** **Company:** DiamondNXT – Diamond Backed NFT **Location:** On\-site **Form:** Part\-Time **About DiamondNXT** DiamondNXT is an innovative blockchain\-based diamond tokenization platform, combining tangible assets with Web3 technology. Our mission is to transform the diamond industry through transparency, security, and decentralization. **Job Description** We are looking for an experienced **Backend Developer** to join our development team. The ideal candidate will be responsible for developing and maintaining server infrastructure, APIs, and system integrations to ensure the performance and security of the DiamondNXT platform. **Responsibilities** * Develop and maintain the platform's backend infrastructure. * Create and maintain efficient and secure APIs. * Work closely with the front\-end team to ensure seamless integration between the backend and frontend. * Implement best practices for security and scalability. * Monitor and improve system performance. * Maintain and improve development documentation. **Requirements** * Strong experience in backend development, with proficiency in languages such as **Python, Java, or Node.js**. * In\-depth knowledge of **SQL and NoSQL databases**. * Experience with **servers and cloud environments** (e.g., AWS or Azure). * Familiarity with **Web3 and blockchain technologies** is a plus. * Ability to work independently and as part of a team. * Excellent communication skills in **English and/or Spanish**. **Benefits** * Opportunity to work in an **innovative startup** at the intersection of blockchain and tangible assets. * **Flexible hours** and hybrid work arrangements. * Collaboration with an **international team** of technology and finance experts. * Possibility to expand collaboration on future projects. * **Applicant Must Be Residing in Portugal as National or On\-Residency Basis** Tipo de oferta: Integral/Full\-time Benefícios: * Acesso à internet * Cartão/Ticket refeição * Estacionamento gratuito * Horário flexível * Subsídio de transporte Habilitações literárias: * Pós\-graduação (Obrigatório) Experiência: * Dev?: 2 anos (Obrigatório)