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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Data Scientist (Sota Team) - **Company:** Semrush - **Location:** Málaga, Spain - **Contract:** Permanent contract - **Skills:** Application Programming Interfaces (APIs), Artificial Intelligence, Algorithm Design, Big Data, Cloud Computing, Software Quality, Python (Programming Language), PostgreSQL, Machine Learning, Natural Language Processing, Named Entity Recognition, Standard Sql, Search Technologies, SQL Databases, Google Cloud, Large Language Models, Gitlab, Gitlab-ci, Low Latency, Semrush, Production Code, Data Analytics, Vertica, Docker, Web Api - **Published:** September 14, 2026 - **Apply:** https://www.buscojobs.com.es/senior-data-scientist-sota-team-en-malaga-ID-371239987 ## About the Role Move together. Raise the bar. Learn fast-grow faster. That's the default. And here's what else is needed to succeed in this role: Hard Skills: 5+ years of experience as a Data Scientist, Machine Learning Engineer, or in a similar role Strong knowledge of machine learning, statistics, and classical NLP techniques Strong Python and SQL skills Practical experience working with LLMs or LLM-based systems Understanding of how to evaluate model quality using datasets, benchmarks, or experiments Ability to write clean, maintainable, and reliable code Ownership mindset and ability to work with ambiguous product problems Soft Skills: You care about delivering working solutions, not just experiments You balance execution speed with code quality, reliability, and maintainability You communicate clearly and collaborate well across Data Science, Product, and Engineering Not required, but a plus Experience with RAG, AI agents, or agent-based systems Experience deploying ML or LLM-based solutions in production Experience with GCP, Vertex AI, or GitLab CI Experience with asynchronous Python, high-throughput API calls, or large-scale data processing Experience with monitoring, experiment tracking, or reproducible research practices ## Description Semrush is a brand visibility platform, empowering marketers to command their online presence and create measurable impact. We unify SEO authority and AI visibility, so brands are found, cited, and chosen everywhere search happens. That's how Semrush gained the trust of over 28 million users-from scaling startups to Fortune 500 companies.Here, you own the way you work, but we move as one unbeatable team.We don't just lead the market, we're busy creating the world where Semrush is an unfair advantage for every marketer.We move fast in ways to help you grow. Here, you have room to experiment, keep what works, and learn quickly from what doesn't.Ready to share our ambition and make an impact? Then, this role may be for you.About the roleBuild and improve LLM- and NLP-based systems used in AI Search optimization productsDesign evaluation frameworks and benchmarks for LLM outputs, prompts, and model behaviorWork on brand extraction, domain mapping, entity extraction, and related algorithmic tasksOptimize LLM pipelines for quality, cost, throughput, and reliabilityWrite clean, production-quality Python codeCollaborate with Product, Engineering, and other Data Scientists to turn product problems into working technical solutionsExamples of our projects:Brand Extraction and Domain Mapping- extracting brand names, mapping corresponding domains, and other relevant entities from LLM-generated responsesLLM quality evaluation and optimization- building benchmarks to evaluate prompt and model quality, while improving throughput, latency, and costAlgorithm development- designing and improving algorithms for product aliases, brand hierarchies, and other domain-specific problemsAbout youMove together. Raise the bar. Learn fast-grow faster. That's the default. And here's what else is needed to succeed in this role:Hard Skills:5+ years of experience as a Data Scientist, Machine Learning Engineer, or in a similar roleStrong knowledge of machine learning, statistics, and classical NLP techniquesStrong Python and SQL skillsPractical experience working with LLMs or LLM-based systemsUnderstanding of how to evaluate model quality using datasets, benchmarks, or experimentsAbility to write clean, maintainable, and reliable codeOwnership mindset and ability to work with ambiguous product problemsSoft Skills:You care about delivering working solutions, not just experimentsYou balance execution speed with code quality, reliability, and maintainabilityYou communicate clearly and collaborate well across Data Science, Product, and EngineeringNot required, but a plusExperience with RAG, AI agents, or agent-based systemsExperience deploying ML or LLM-based solutions in productionExperience with GCP, Vertex AI, or GitLab CIExperience with asynchronous Python, high-throughput API calls, or large-scale data processingExperience with monitoring, experiment tracking, or reproducible research practicesAbout the teamWe are a Data Science team focused on LLM- and NLP-powered products for AI Search optimization. We work on AIO, AI Summarization, Brand Extraction and Domain Mapping, building AI-driven solutions for SEO analysis, entity extraction, and domain understanding.Our stack:PythonGoogle Cloud PlatformClickHouse, PostgreSQLClearML, Docker, LangFuse, DVCLLM APIs: OpenAI, Google, Anthropic, PerplexityAbout the perksUnlimited PTOHobby & team building budget allowanceEmployee Support ProgramLoss of family member financial aidEmployee Resource GroupsA little more about usSemrush is the leading brand visibility platform, empowering marketers to command their online presence and create measurable impact.Built on the industry's most expansive proprietary dataset, Semrush delivers AI-driven insights across GEO, SEO, Agentic Search Optimization, content marketing, paid media, and social strategy. The company was founded in **** and is headquartered in Boston, MA with a global presence across North America, Europe and Asia.We've built something people are proud to be part of. And the awards agree: Great Place to Work, DEI Workplace, Diversity Champion Award, International Inclusion Award, Most Women Friendly Employers, Best Place for Working Parents. All thanks to ****+ employees who build the company every day.About our Diversity, Equity, and Inclusion commitmentsSemrush is an equal opportunity employer. Building a better future for marketers around the world unites people from all backgrounds. Even if you feel that you don't 100% match all requirements, don't be discouraged to apply! We are committed to ensure that everyone feels a sense of belonging in the workplace.We do not discriminate based upon race, religion, creed, color, national origin, sex, pregnancy, sexual orientation, gender identity, gender expression, age, ancestry, physical or mental disability, or medical condition including medical characteristics, genetic identity, marital status, military service, or any other classification protected by applicable local, state or federal laws.Ready to be a part of this mission? 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