> Markdown version of [/jobs/ext/1611658-junior-solutions-engineer](https://www.wearedevelopers.com/jobs/ext/1611658-junior-solutions-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Junior Solutions Engineer - **Company:** Seedtag - **Location:** Madrid, Spain (Remote available) - **Contract:** Permanent contract - **Skills:** HTML, JavaScript (Programming Language), Machine Learning, Tools for Reporting - **Published:** July 20, 2026 - **Apply:** https://www.buscojobs.com.es/junior-solutions-engineer-en-madrid-ID-363450119 ## About the Role Have a relevant degree in engineering, mathematics, statistics or an analytics related field. Have coding knowledge and a solid understanding of the programmatic advertising ecosystem. Have 1 year of work experience, ideally in digital advertising or programmatic media. Have full proficiency in Spanish and a good level of English. Are energetic, proactive and eager to work in a dynamic environment. Are a real team player with good communication and cooperation skills. It would be a big plus if you: Have previous experience in a startup or have a background in consulting. Have knowledge of JavaScript or HTML. ## Description OverviewSeedtag Madrid, Community of Madrid, SpainWe're looking for aJunior Solutions Engineerto join our team in Madrid and help shape the future of contextual advertising as we continue to expand globally.Who We AreAt Seedtag, we lead the way in contextual advertising with our machine learning-powered platform.Our technology provides superior brand safety, human-like content understanding, and advanced cookieless targeting, making ads more engaging and respectful.Founded by two ex-Googlers in ****, we've grown to over 600 Seedtaggers across 18 countries, raising €250M to revolutionize digital advertising.Your ChallengeTake full ownership of our global supply sources, ensuring stability, scalability, and optimal performance across SSPs.Collaborate with local teams and cross-market stakeholders to improve yield and monetization strategies for our inventory.Monitor and analyze upper-funnel metrics (fill rate, bid requests, win rate) to detect anomalies and implement real-time solutions.Manage relationships with premium publishers and editorial groups worldwide, aligning supply-side priorities with advertiser demand.Ensure seamless connections between our SSPs and buyers on key DSPs, optimizing deal structures, floor prices, and ad quality.Leverage data and reporting tools to guide decision-making, testing new formats, placements, and integrations.Act as a programmatic expert, proposing scalable improvements in supply chain efficiency and revenue performance.Bring a creative, analytical mindset to uncover new opportunities in the dynamic world of contextual and cookieless advertising.What You'll Need to SucceedHave a relevant degree in engineering, mathematics, statistics or an analytics related field.Have coding knowledge and a solid understanding of the programmatic advertising ecosystem.Have 1 year of work experience, ideally in digital advertising or programmatic media.Have full proficiency in Spanish and a good level of English.Are energetic, proactive and eager to work in a dynamic environment.Are a real team player with good communication and cooperation skills.It would be a big plus if you:Have previous experience in a startup or have a background in consulting.Have knowledge of JavaScript or HTML.Why Join Seedtag?Growth & Opportunity: A key moment to join with vast career development prospects.Flexibility: At Seedtag, we trust you to balance work and life effortlessly with the option to work from home, the office, or even the beach in our hybrid mode.Learning & Development: Online courses in ODILO, and optional English or Spanish group classes.Inclusive Culture: We foster a supportive environment that values personal growth.Fun & Connection: Participate in team activities, company offsites, and more!Additional PerksFlexible benefits plan: Restaurant, transportation, and kindergarten vouchers.Health insurance: Comprehensive coverage included.Gympass: Access to wellness programs and fitness classes.Seedsave Program: Exclusive discounts to help you save for the future.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.EEO statement:We're an equal opportunity employer.All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, or protected veteran status.#J-*****-Ljbffr ## Related Videos - [The Resilience of the World Wide Web](https://www.wearedevelopers.com/videos/1281-the-resilience-of-the-world-wide-web) - [Introduction to Azure Machine Learning](https://www.wearedevelopers.com/videos/368-introduction-to-azure-machine-learning) - [Minimising the Carbon Footprint of Workloads](https://www.wearedevelopers.com/videos/1198-minimising-the-carbon-footprint-of-workloads) - [Why Your Best Mediors Never Become Seniors (And How to Fix It)](https://www.wearedevelopers.com/videos/2108-why-your-best-mediors-never-become-seniors-and-how-to-fix-it) - [NoLoJS - Avoiding JavaScript Cruft with HTML and CSS - Aaron T. 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