.This year marks 10 years since we launched the idea that simplifying our customers' lives is possible by offering an innovative solution that allows them to easily subscribe to, manage, and switch all types of contracts through a unique and intuitive platform.In that time, we have supported more than 1.5 million customers in France, Spain, and Italy, while investing in new verticals and positioning ourselves as a highly efficient, innovative, and competitive scale-up in a rapidly growing market.With over 900 employees across 3 locations, we are solidifying our position as a market leader in Europe. We are always on the lookout for talent ready to join a dedicated and motivated team driven by a meaningful project. Working with us means embracing a culture of excellence, innovation, and real impact.As a Backend Developer, you will join the B2B applications team to support papernest in its relationships with its real estate and banking partners.Your responsibilities : Take ownership of the product from a technical point of view.Work closely with development, product, QA and other teams across Europe.Challenge product requirements and anticipate technical difficulties.Ensure state-of-the-art design and implementation with respect to the overall platform architecture.Participate in roadmap planning and take responsibility for its execution.Develop features to ensure unit and integration test coverage.Ensure that delivered features work seamlessly from integration to production.Assist in the continuous improvement of team practices.Ability to strategically step back to improve deployment frequency, reduce the number of bugs introduced and shorten the "time to change".Actively participate in knowledge sharing, mentoring of junior developers and fair evaluation of employees.Our Stack: Backend: Python, Django, Celery, Redis.Frontend: Angular 16, Redux, RxJS, Jasmine.Infrastructure: AWS, Docker, Continuous Integration and Deployment on Github.Your profile : You have at least 3 years of Python backend development experience.A very good command (or even experience) of Python and Django.Good experience with relational and/or non-relational databases (migration management, performance work, large data volumes, understanding of Django ORM, choice between relational and non-relational databases).You have a good knowledge of Docker/Git. You know the web world. You are passionate about new technologies.You demonstrate rigor and autonomy.User experience is an aspect of the product that you particularly appreciate.A good level of English (written and oral) is essential.What we offer : Thrive in an international and inclusive environment: everyone has a place at papernest. With over 46 different nationalities, it's not uncommon here to start a sentence in English and finish it en français or en español