Backend Developer (Python) - Barcelona

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.

Compensation: a plan for Subscription Warrants for Company Creators (BSPCE) in accordance with company regulations, as well as a Pluxee card to manage your tax level through a voluntary compensation system across different services (transportation, dining, and childcare).

Benefits: as a home insurance provider and a supplier of green electricity and gas, we offer attractive deals to our employees. After all, there’s no reason why things should only be simpler for our customers!

Health: medical insurance through Alan or Sanitas to manage your healthcare expenses in an ultra-simple, paperless way, with up to 50% coverage by papernest (after 6 months in the company).

Meals & partnerships: a healthy breakfast offered every Tuesday, as well as partnerships with various services in Barcelona (restaurants, sports, leisure, and care centers).

Training: the development of our employees is essential. You'll have access to online training platforms dedicated to Tech. As well as Tech-Fridays twice a month, a day dedicated to innovation, your personal training or your technical watch.

Career Development: numerous opportunities are available for you to grow, whether by deepening your expertise or exploring new paths. We support you in your professional ambitions.

Remote Work: enjoy 2 days of remote work per week to optimize your focus and efficiency.

Hiring process:

• First call with Julie, Talent Acquisition Manager.
• Interview with Joaquim, Engineering Manager and your future manager.
• A technical test with code review.
• A last interview with Raphaël, Head of Engineering, and Cyril, our CTO.

Interested in this challenge? Don’t hesitate any longer—we look forward to meeting you! Regardless of your age, gender, background, religion, sexual orientation, or disability, there’s a place for you with us. Our selection processes are designed to be inclusive, and our work environment is adapted to everyone’s needs.

We particularly encourage applications from women. Even if you feel that you don’t meet all the criteria outlined in this job posting, please know that every application is valuable. We strongly believe that diverse and varied backgrounds enrich our team, and we will carefully consider your application. Parity and diversity are essential assets to our success.