Backend Software Engineer

Overview Join to apply for the Backend Software Engineer role at Seedtag . We’re looking for a Backend Software Engineer to join our team and help shape the future of contextual advertising as we continue to expand globally. Who We Are Every day, our teams develop new services that reach over 200 million users worldwide with fast response times to ensure that we deliver the best user experience. We’re fully committed to the DevOps culture, where we provide the platform that our Software Developers and Data Scientists use to manage over 100 different microservices, pushing dozens of changes to production every day. All of this is built on top of Kubernetes in Google Cloud Platform and Amazon Web Services. If you are interested in joining one of the fastest-growing scale-ups in Europe and working on massive scalability challenges, this is the place for you. Responsibilities Design and build backend services and APIs that empower our internal campaign management platform. Work closely with product and data teams to understand campaign workflows and pain points. Build scalable integrations with third-party platforms such as Xandr and Equativ. Model and manage business-critical data (campaigns, bookings, creatives, user access, audits, metrics…). Propose technical solutions that are pragmatic, extensible, and sustainable over time. Participate in architectural discussions and decision-making within the team. Champion engineering best practices and mentor other team members. What You’ll Need to Succeed You have a deep understanding of back-end development with at least 5 years of demonstrable experience building scalable, high-performance systems. You care about producing maintainable code and have experience applying programming patterns within a microservice architecture. You are a big-picture thinker who can align technical work with business goals. You are a problem solver who enjoys tackling complex technical challenges. You are a continuous learner who stays current with technology trends. You are a strong communicator and can work effectively in a team with both technical and non-technical stakeholders. You are adaptable and comfortable in a dynamic, fast-paced environment. If you possess these qualities and are excited about the opportunity to work on challenging, high-impact projects with a talented and passionate team, we encourage you to apply for this position. Why Join Seedtag? Growth & Opportunity: A key moment to join with vast career development prospects. Flexibility: The option to work 100% remote (within Europe where Seedtag has legal entities) or hybrid, depending on what works best. Learning & Development: Online courses and optional English or Spanish group classes. Inclusive Culture: A supportive environment that values personal growth. Fun & Connection: Team activities, company offsites, and more Gympass: Access to wellness programs and fitness classes. Seedsave Program: Exclusive discounts to help you save for the future. Home office budget: Up to €1,000 for equipment. Paid travels to our HQ in Madrid to work in person with your squad members. Ready to join the Seedtag adventure? Send us your CV and let’s grow together At Seedtag, we’re committed to creating an inclusive environment where everyone can thrive. We welcome diverse perspectives as they fuel our innovation and growth. Please let us know if you require accommodations during the hiring process and we’ll ensure a positive and accessible experience. Seniority level : Mid-Senior level Employment type : Full-time Job function : Backend Software Engineering Industries : Advertising Services Referrals increase your chances of interviewing at Seedtag by 2x Get notified about new Software Engineer jobs in Spain . End of refined description. #J-18808-Ljbffr