HexErgy is an innovative startup in the cleantech sector that is revolutionizing the landscape of energy communities. Born from a vision of a sustainable future and fueled by the growing need for energy transition, HexErgy has developed a SaaS (software as a service) solution based on blockchain. This platform adopts an end-to-end approach, supporting energy communities at every stage, from design to implementation and management. We are seeking a talented and motivated Backend Developer who is passionate about building efficient, scalable, and maintainable applications. You should have a solid background in Django, experience with blockchain technologies, and familiarity with cloud services, particularly AWS. As a Backend Developer at HexErgy, you will take ownership of key parts of our platform, building new features and optimizing existing ones. You will work closely with our frontend team and external consultants, ensuring a robust, scalable, and secure backend infrastructure. You will also contribute to designing and evolving data models, managing databases, and ensuring best practices in cybersecurity. Designing and improving database schemas, writing efficient SQL queries, and managing data models. Ensuring high standards of cybersecurity across the platform. Collaborating with the frontend team to ensure smooth integration and with external consultants to coordinate technical solutions. Deploying and monitoring applications in the AWS cloud environment (nice to have, but strongly appreciated). Key Qualities We Value Proficient in Python and familiar with its ecosystem; Experience with AWScloud services and infrastructure; Knowledge ofRESTful API design and development; Understanding of database technologies, both SQL and NoSQL; Familiarity with version control systems, preferably Git; Italian (mother tongue) and English (fluent) required. Experience with AWS cloud services and DevOps practices. Familiarity with agile methodologies. Professional Growth: We're passionate about helping our team members grow. Enjoy flexible working hours. Work in a fast-paced, innovative environment where your ideas and contributions make a real impact.