Mid / Senior Backend Engineer

Are you passionate about working on tech projects with a real-world impact? Would you like to be part of a company with a strong vision, solid product, and a multidisciplinary team driven by innovation? If you're a Backend Engineer experienced in Python and excited by the challenge of scaling systems that power the renewable energy revolution, this role is for you.What will you do?As a Mid / Senior Backend Engineer – Python, you'll be a key technical contributor responsible for designing, developing, and maintaining the backend architecture of a robust battery management platform. You'll work in a collaborative environment alongside DevOps, Software, and Hardware Engineers, as well as Product Managers.Your key responsibilities will include : - Designing and developing scalable, secure, and efficient backend solutions for hardware / software integration.- Identifying technical risks and proposing architectural improvements for scalability and performance.- Delivering high-quality, tested code within agreed timelines.- Documenting technical standards, data streaming processes, and analytics workflows.- Proactively troubleshooting and resolving system issues to minimize operational impact.- Managing and optimizing cloud infrastructure resources to ensure reliability and efficiency.- Collaborating cross-functionally to ensure smooth service integration and system health.What are we looking for?- 4+ years of experience in backend development.- Strong proficiency in Python for backend applications.- Good command of AWS, especially Lambda-based architectures.- Solid knowledge of SQL, clean code principles, and OOP.- Experience with Docker, microservices, and event-driven systems.- Strong documentation and communication skills.- Advanced English proficiency (spoken and written).Bonus points for : - Experience with Infrastructure as Code tools such as Terraform.- Experience with the Serverless and FastAPI frameworks.- Knowledge of Kafka and analytical databases like Clickhouse.