Senior Data Scientist

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 role
Work on new directions and solutions for the market
Look for ways to improve existing algorithms
Introduce and experiment with new data source
Collaborate with data engineers and product teams
About you
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:
Bachelor's degree is required or equivalent practical experience
5+ years of experience as a DS / MLE
Strong understanding of the principles of machine learning algorithms, probability theory, statistics, linear algebra
High proficiency in Python and ML stack
Hands-on experience working with LLMs
Knowledge of SQL
Not required, but a plus: Experience deploying and maintaining LLM-based solutions in production
Practical knowledge of RAG and building AI agents
Experience with GitLab CI
Experience with GCP and Vertex AI
Experience in developing ETL processes with Airflow
Experience in deploying ML systems with batch/real-time processing and monitoring (Grafana, Prometheus, Alertmanager)
Reproducible research
Soft skills
Strong sense of delivery ownership, balancing execution speed with engineering standards and quality requirements
Proven ability to ship reliable, maintainable code under tight timelines without compromising technical quality
Track record of driving alignment and close collaboration across cross-functional teams
About the team: We are a data science team responsible for supporting teams working in the SEO and AI SEO domains. We create internal services using machine learning, based on which other teams implement new features. Our team includes 1 Data Science Manager, 4 Data Scientists, and 2 ML Engineers and we are looking for an additional Senior Data Scientist to join our team.
Our stack
Google Cloud Platform
Data Storage: ClickHouse
Language: Python
Tools: Airflow, k8s, Docker, Catboost, Pandas
LLM APIs: OpenAI, Google, Anthropic
Examples of our projects
Keyword Search Volumes - a metric that shows how many times people search a specific keyword in search engines
AI Topic Volume & Traffic - evaluating the popularity of topics in the AI search engine platforms
Keyword Search Intent - goals that users pursue when they make a request in a search engine
About the perks
Unlimited PTO
Hobby & team building budget allowance
Employee Support Program
Loss of family member financial aid
Employee Resource Groups
A little more about us Semrush 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 commitments
Semrush is an equal opportunity employer. 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 classif