We’re looking for a Full-Stack Engineer to join our team and help shape the future of contextual advertising as we continue to expand globally.
Who We Are At Seedtag, our goal is to lead the change in the advertising industry because we believe that effective advertising should not be at odds with users’ privacy.
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.
As a Full-Stack Engineer in the AdServing team, you’ll help shape two of Seedtag’s most critical tools:
Our SDK, the agent embedded in 200M+ devices daily, responsible for rendering ads in real time.
You’ll be working with modern, typed front-end languages (Rescript and React),



building performant interfaces and reliable APIs, all while collaborating with design and backend teams to make sure everything just works.
Developing scalable backend APIs to support dynamic creative logic and data syncing.
Collaborating with designers, backend engineers, and product stakeholders to align on needs and priorities.
Working across the stack, from micro frontends to backend services.
Applying and advocating for clean code, testing, performance, and maintainability.
We practice DevOps, Peer Reviews, Continuous Discovery, Delivery and Integration.
We collaborate on Slack, Notion, JIRA, Github.
Our core tech values reflect our commitment to delivering exceptional results, fostering a culture of continuous learning, and always putting the customer’s needs first. Our tech team aims to solve problems that make a meaningful difference, and we measure our success by the impact we have on the customer.
~ We al

📌 Full Stack Engineer/Agile Engineer (España)
🏢 Seedtag
📍 España