Since 2015, papernest has been transforming the way people manage their contracts, making subscription, management, and switching simple through one smart, intuitive platform.We have supported more than 2 million customers across France, Spain, and Italy.
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Along the way, we have continued to invest in new verticals, establishing papernest as a high-performing, innovative, and competitive scale-up in a fast-growing market.With over 900 employees, we are strengthening our position as a European market leader.As a Senior Backend Engineer, you will play a key role in strengthening and scaling the technical foundations of our Spanish market operations.Your responsibilities:You will be responsible for designing, building, and evolving backend systems that support business growth, operational efficiency, and long-term scalability.
Acting as a bridge between business operations and technology,



you will translate operational requirements into reliable, maintainable, and scalable software solutions.In a dynamic and fast-evolving environment, you will bring structure and engineering rigor.
You will contribute to architectural decisions, establish best practices, and ensure that backend systems are resilient, performant, and aligned with the company’s strategic objectives.Your mission includes:Designing and implementing scalable backend services and APIsImproving system reliability, performance, and maintainabilityPartnering closely with operations and business stakeholders to understand evolving needsDriving technical excellence and reducing technical debt through pragmatic decision-makingContributing to architectural standards and long-term platform strategySupporting the scalability of our Spanish market by building robust, future-proof infrastructureThis role requires a hands-on senior engineer who combin

📌 Senior Back-end Developer Python (Barcelona)
🏢 papernest
📍 Barcelona