pHi, We’re Sundogs. We’re using AI and human creative expertise to transform video advertising. Working with the biggest brands in the world, we’re building a way to measure creative effectiveness – helping creators everywhere use AI to tell better, more creative stories, and make their video ads not just better, but revolutionary. /ppOur team is a global collection of Cannes-winning creatives, ex-Googlers, cutting edge data scientists, and start-up entrepreneurs, and we're poking at the future with curiosity and delight. /ppWe’re looking for a Senior Software Engineer who’s a product-minded, problem solver at heart, and excited to build the next generation of creative intelligence tools. /ppstrongThe Opportunity /strong /ppWe’re looking for a Senior Software Engineer who’s excited to build things from the ground up: someone who can think strategically, move fast, and care deeply about quality. You’ll be a key player in taking our product from MVP to scalable platform, helping global brands get real results from their creatives. /ppThis is not a narrowly scoped role. You’ll own critical systems end-to-end, and work closely with the data and product teams to translate creative ideas into production-level software. This role is fully remote and candidates from all geographies are welcome to apply. /ppPlease note application instructions. Resumes submitted only via LinkedIn will not be considered. /ppstrongYou’ll Thrive Here if You: /strong /pulliAre energized by ambiguity and enjoy bringing structure where it doesn’t yet exist /liliCollaborate well with non-technical teammates (creative, product, strategy) /liliWant to work directly with early adopters who are leading general brands and see your work in the wild, fast /liliWant to shape not just what we build, but how we build it: code,culture, process, and technical direction /li /ulpstrongWhat You'll Do /strong /pulliImprove and scale our Ad Scoring API based on client use cases /liliDesign Build scalable data systems and pipelines for creative and performance signals /liliBuild for scale: robust, scalable systems with great monitoring, alerting, and failure-handling /liliRefine our LLM pipelines (OpenAI, Gemini, etc.) for performance and reliability /liliCollaborate on creative uses of AI across the stack,



from scoring to benchmarks /li /ulpstrongTechnical Enablement Collaboration /strong /pulliWork directly with early API clients to support technical onboarding and create feedback loops to integrate into tech and product roadmaps /liliCollaborate across teams to make technical work clear and actionable /liliBring curiosity and empathy to every interaction—especially when translating technical concepts for non-technical teammates /li /ulpstrongWhat We're Looking For /strong /pulli7+ years backend engineering experience, ideally with some experience in fast-paced, high ambiguity environments (start-up or other) /liliDeep Python experience and fluency and production experience in GCP (or other major cloud provider) /liliFamiliarity with LLMs or data-intensive systems at scale, data engineering experience is a plus /liliProven ability to ship scalable, reliable, production-grade systems /liliClear, concise, curious and warm communicator, able to make technical concepts simple and accessible /liliEmpathetic collaborator, especially when working with non-technical peers, who thrives on feedback, iteration, and shared success /li /ulpstrongOur Stack: /strong /ppstrongWhat We Offer /strong /pulliEarly equity in a fast-growing start-up /liliFlexible, remote-first work environment. /liliDirect access to founding team, clients, and creative challenges /liliA culture that values curiosity, candor, and craftsmanship /li /ulpstrongNote: /strongOur team is fully remote and distributed within EST-CET timezones. While we are distributed across timezones, workdays are local hours (with occasional/rare exceptions). /ppstrongApplication Instructions /strong /ppSubmit your resume and prompt responses to /ppWe're not looking for polish, we're looking for clarity; we’re interested in your thinking process, not just the technical details. Resumes without answered prompts will not be considered. /ppIn 250 words or less, answer the following question:



/ppTell us about a time you re-designed or refactored a system (e.g., an API, data pipeline, architecture, or core service). What was the original problem or limitation? What changes did you make and why? What was the result? /ppIn 250 words or less, answer the following question: /ppPick a technical system, tool, or project you’ve worked on, like an API, data pipeline, ML model, or cloud architecture, and explain it clearly and simply, as if you were describing it to a teammate in marketing or creative. /ph3Seniority level /h3ullih3Seniority level /h3Mid-Senior level /li /ulh3Employment type /h3ullih3Employment type /h3Full-time /li /ulh3Job function /h3ullih3Job function /h3Engineering and Information Technology /lilih3Industries /h3Marketing Services /li /ulpReferrals increase your chances of interviewing at Sundogs Creative by 2x /ppGet notified about new Senior Software Engineer jobs in strongSpain /strong. /ph3Senior Full-Stack Software Engineer (Remote) /h3pGreater Madrid Metropolitan Area 1 month ago /ppGreater Barcelona Metropolitan Area 1 month ago /ph3Senior Software Engineer - Finance Domain /h3h3Manager, Software Engineering (Repayments Engineering) /h3h3Senior Software Quality Assurance Specialist /h3h3Engineering Manager - In-store Payment – Remote-First /h3pMadrid, Community of Madrid, Spain 6 days ago /ppBilbao, Basque Country, Spain 4 months ago /ppMadrid, Community of Madrid, Spain 3 weeks ago /ph3Senior Software Engineer (Frontend) - Remote in Spain /h3pMadrid, Community of Madrid, Spain 2 days ago /ppMadrid, Community of Madrid, Spain 1 month ago /ppMadrid, Community of Madrid, Spain 9 months ago /ph3Senior Software Engineer - U.S. or EU (remote) /h3pSpain $150,000.00-$195,000.00 8 months ago /ppSalamanca, Castilla and Leon, Spain 2 years ago /ph3Senior Software Engineer - Age of Empires (Remote) /h3pMadrid, Community of Madrid, Spain 5 days ago /ph3Senior Developer – Full Remote – EU Institutions /h3pBilbao, Basque Country, Spain 2 months ago /ppMadrid, Community of Madrid, Spain 4 months ago /ppMadrid, Community of Madrid, Spain 3 weeks ago /ppMadrid, Community of Madrid, Spain 6 months ago /ppWe’re unlocking community knowledge in a new way. Experts add insights directly into each article, started with the help of AI. /p #J-18808-Ljbffr

📌 Senior Software Engineer (Python/GCP) (España)
🏢 Sundogs Creative
📍 España