We want you on our team! At Rockstart, we are looking for a Backend Developer . About the Role: We're looking for a backend software engineer with solid Python experience and knowledge of cloud infrastructure management ( AWS ). You'll be a key player in the development and evolution of our platform, working on robust, scalable, and high-quality features. If you enjoy technical challenges and are passionate about constant learning, we want to meet you! Main Responsibilities: Design, develop, test, and deploy backend services and APIs using Python . Actively contribute to the platform architecture on AWS . Work with databases such as MongoDB , PostgreSQL , and MySQL . Ensure code quality through unit testing and code reviews. Resolve technical issues and optimize application performance. Collaborate with the technical lead, product team, and other engineers. Participate in technical planning and definition of the product roadmap. Stay up-to-date on the latest technologies and best practices in backend and cloud development. Technical Requirements: Experience in backend development with Python . Knowledge of AWS services (e.g. EC2, S3, RDS, Lambda). Experience with databases: MongoDB , PostgreSQL , MySQL . Experience with Python web frameworks (e.g., Django , Flask ); knowledge of FastAPI is a plus. Understanding the design and implementation of RESTful APIs. Experience with version control systems such as Git . Skills and Personal Attributes: Passion for Development: You are passionate about programming and building technological solutions. Quality Orientation: You write clean, maintainable, and efficient code. Desire to Learn: Proactive in acquiring new knowledge and technologies. Proactivity and Autonomy: Able to address problems independently. Excellent Communication Skills: Ability to collaborate with different profiles. Adaptability to a dynamic startup environment. What Do We Offer? Opportunity to be part of a startup with great potential. Role with direct impact on the product and users. Collaborative and growth-focused work environment. Ongoing opportunities for learning and professional development. What are the benefits and contractual conditions? Indefinite Term Contract. Working modality: Remote. Flexible hours. Access to coworking space. Celebrating birthdays and special days. What requirements must you meet? 5 years of experience in backend development. Experience in team building and leadership. Skills : Mastery of FastAPI , Angular and Python . Optional knowledge in AI and Vertex. Understanding the RAG AI System with Gemini. Self-management and ability to work in a team. Leadership and communication skills.