Senior Backend Engineer (m/f/d)

Barcelona, Barcelona, Spain Vor Ort Senior 26.04.2026
Backend-Entwickler backend-developer Product Manager Software Engineer
<p style="text-align: left;"><strong><em>Location</em></strong><em>: Come and join us in Barcelona!</em></p> <p>We are looking for a talented and motivated <strong>Senior Backend Engineer </strong>(m/f/d) for our new Driver Onboarding team.</p> <p>As part of a highly skilled, cross-functional team comprising Fullstack Engineers, Backend Engineers, a Product Manager, a Product Designer, a Data Analyst, and a technical Engineering Manager, you will help shape the future of mobility with FREENOW and assist our drivers in their daily work.</p> <p>Our team is the cornerstone of the driver experience, with a core focus on streamlining the driver registration flow and ensuring the integrity of our platform through advanced document validation processes. Our mission is to provide a fast, frictionless, and secure onboarding journey for every new driver. We achieve this by:</p> <ul> <li>Designing and implementing the entire <strong>driver registration and onboarding journey</strong>, making it simple, intuitive, and fast.</li> <li>Developing and maintaining robust, <strong>automated document validation systems</strong> to ensure compliance and quick approval for drivers.</li> <li>Collaborating closely with Operations and other engineering teams to <strong>constantly</strong> <strong>optimize process automation</strong> within the document lifecycle.</li> <li>Providing self-service tools that <strong>empower drivers</strong> to efficiently manage their documentation and account details.</li> <li>Integrating key insights into internal systems, fostering collaboration across teams to <strong>improve the overall driver experience</strong>.</li> </ul> <p>As a critical part of our company, this team's work directly impacts thousands of drivers and, ultimately, the experiences of millions of customers. Your contributions in this role will have a <strong>tangible and far-reaching effect</strong> on the lives of many.</p> <p>As an engineer on our team, you will tackle the exciting challenges of <strong>building a best-in-class driver onboarding platform</strong>. This includes designing and building <strong>innovative, high-scale solutions for document validation and workflow automation</strong>, directly enhancing the start-to-finish experience for our drivers and ensuring the quality and compliance of our fleet. You'll be involved in every stage of product development, from ideation to implementation, ensuring a seamless and impactful experience.</p> <p>We also value a mindset that <strong>challenges the status quo</strong>—constantly exploring new technologies and approaches to improve our products and maintain a <strong>state-of-the-art codebase</strong>. Beyond technical excellence, your contributions will help foster a <strong>collaborative and inspiring team culture</strong>, making our workplace an enjoyable and fulfilling environment.</p> <hr> <h2><strong>YOUR DAILY ADVENTURES WILL INCLUDE:</strong></h2> <ul> <li>Own the Feature, Own the Code – feel responsible for what you create. It all starts with bringing in your feature ideas, goes over development, testing and ends in deploying your code and monitoring it.</li> <li>Design and develop systems based on product requirements or refactorings.</li> <li>Maintain and improve the existing systems by finding bottlenecks and performance issues and improving resource usage (DB access, cache, messaging, etc.).</li> <li>Collaborate with your team members in an Agile environment, contribute to and live our agile ceremonies.</li> <li>You care about teamwork: Be accountable for all topics above, but work together with the team on them.</li> <li>Stay on top of the latest technology trends and bring best practices to our daily work.</li> </ul> <p><strong>Our Techstack</strong>: Kotlin | Java | AWS | Docker | Git | Kafka | ElasticSearch &amp;<a href="https://stackshare.io/free-now"> more</a></p> <hr> <h2><strong>TO BE SUCCESSFUL IN THIS ROLE:</strong></h2> <ul> <li>Passionate about Kotlin or Java.</li> <li>Experience with the quirks of Spring Boot or similar frameworks, automated tests and CI/CD tools.</li> <li>Familiarity with monitoring tools (i.e., Grafana, Datadog, Kibana etc.).</li> <li>Knowledge of microservices architecture.</li> <li>Keen about principles and practices of scalable web applications, such as RESTful API’s, dealing with transactions, and resiliency.</li> <li>Familiar with messaging by using Kafka or RabbitMQ.</li> <li>High level of creativity; there’s all the freedom to think outside the box.</li> <li>Be communicative, proactive, and always collaborative.</li> <li>Excellent written and verbal communication skills in English.</li> </ul> <p>Nice to have:&nbsp;</p> <ul> <li>Experience working with AWS or similar cloud service providers.</li> <li>Familiar with Agile methodologies such as Scrum or Kanban.</li> <li>Experience with document automation validation.</li> <li>Experience working with Large Language Models (LLMs) and AI-driven products.</li> <li>Experience in Python, particularly for data processing or AI integration tasks.</li> </ul> <hr> <h2><strong>BENEFITS &amp; PERKS IN A NUTSHELL:</strong></h2> <table> <tbody> <tr> <td> <ul> <li>Flexible working arrangements</li> </ul> </td> <td> <ul> <li>LinkedIn Learning</li> </ul> </td> </tr> <tr> <td> <ul> <li>Sabbatical &amp; special leave policies</li> </ul> </td> <td> <ul> <li>WeRoad partnership</li> </ul> </td> </tr> <tr> <td> <ul> <li>Birthday, 24th + 31st December off</li> </ul> </td> <td> <ul> <li>Short term EU work policy</li> </ul> </td> </tr> <tr> <td> <ul> <li>Mobility Credit</li> </ul> </td> <td> <ul> <li>Health Insurance</li> </ul> </td> </tr> <tr> <td> <ul> <li>Employee assistance program</li> </ul> </td> <td>&nbsp;</td> </tr> </tbody> </table> <hr> <h2><strong>DIVERSITY, EQUITY &amp; INCLUSION:</strong></h2> <p><span style="font-weight: 400;">FREE NOW is an equal opportunity employer and we consider qualified applicants regardless of race, religion, national origin, gender, gender identity, sexual orientation, disability or age.</span><span style="font-weight: 400;"><br></span><span style="font-weight: 400;"> We want you to grow and evolve,</span><a href="https://www.youtube.com/watch?v=dOUL_n8pSGQ"><span style="font-weight: 400;"> </span><span style="font-weight: 400;">bring your true self to work</span></a><span style="font-weight: 400;">. </span></p> <hr> <h2>SEE WHAT OUR AWESOME COLLEAGUES SAY ABOUT US<strong>:</strong></h2> <p><a href="https://www.glassdoor.de/%C3%9Cberblick/Arbeit-bei-FREE-NOW-EI_IE954578.11,19.htm" target="_blank"><img style="max-width: 100%;" src="https://eu-images.contentstack.com/v3/assets/blt6e28a7086c72dd55/bltadef6ed7354e9cc4/65a10957984e23040a418da6/glassdoor-logotype-rgb_2.png" alt="" width="150"></a>&nbsp; &nbsp; &nbsp; &nbsp;<a href="https://www.kununu.com/de/mytaxi-intelligent-apps" target="_blank"><img style="max-width: 100%;" src="https://eu-images.contentstack.com/v3/assets/blt6e28a7086c72dd55/blte53af231aaa0c840/65a109382311a30407ba07ce/kununu_logo_black_2.png" alt="" width="150"></a> &nbsp; &nbsp; &nbsp; &nbsp;<a href="https://www.linkedin.com/company/free-now/life/2b1603ea-741a-49f8-9847-f1214f483a1a/" target="_blank"><img style="max-width: 100%;" src="https://brand.linkedin.com/content/dam/me/business/en-us/amp/brand-site/v2/bg/LI-Logo.svg.original.svg" alt="" width="143"></a></p> <hr> <h2><strong>ABOUT US:</strong></h2> <p>Freenow by Lyft empowers smarter mobility decisions, helping people to move freely and cities to thrive. Through our multi-mobility app, we feature broad options for everyone across 9 European markets and over 180 cities. Millions of passengers can access services including taxis, private hire vehicles, carsharing, car rental, e-scooters, e-bikes, e-mopeds, and public transport within a single app.&nbsp;</p> <p>In July 2025 Freenow was acquired by Lyft, a global mobility platform, which connects riders and drivers for billions of rides across North America and Europe. Together, Freenow and Lyft are creating a more caring and connected world, with transportation for everyone. We are a global, diverse, highly motivated, and collaborative team that strives for excellence and likes to have fun. Ready for your next ride?</p>