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Senior Data Scientist (Sugar Team)

On-site in Spain·Full-time·Added 2 days ago (last checked 7 Nov)

Semrush

2 open roles

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Our summary

Work mode
On-site, Spain
Contract
Full-time
English
Required
Experience
5+ years
Education
University degree

Visa options

  • The ad doesn’t mention sponsorship

    Not a refusal, but not a yes. Worth asking in your first message.

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Skills

Nice to have

Requirements

Nice to have

  • 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.

Pay & benefits

What you'll get

  • Unlimited PTO
  • Hobby & team building budget allowance
  • Employee Support Program
  • Loss of family member financial aid
  • Employee Resource Groups

The role

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

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

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 Semrush

Semrush is a leading SaaS platform in the marketing technology (MarTech) industry, providing a comprehensive suite of tools for SEO, content marketing, competitive research, PPC, and social media management. Founded in 2008, the company has grown to serve over 100,000 paying customers worldwide, with a global team of more than 1,000 employees. Semrush is publicly traded on the New York Stock Exchange under the ticker SEMR, and its platform is widely used by digital marketers, agencies, and enterprises to optimize their online visibility.

Semrush has a significant presence in Spain, with a major office in Barcelona that serves as a key hub for product development and engineering. The company is known for its remote-first culture, allowing employees to work from anywhere, which is particularly attractive for international professionals. Semrush actively hires globally, offering a diverse and inclusive work environment with a strong emphasis on professional growth and work-life balance. For international candidates, Semrush provides a supportive relocation experience, including visa sponsorship and a collaborative, English-speaking work culture.

Industry
MarTech
Founded
2008
Employees
1,000–5,000
Headquarters
Boston, USA
In Spain
Barcelona

Good to know if you are moving

  • Semrush is a remote-first company, allowing employees to work from anywhere, which is ideal for international professionals seeking flexibility.
  • The Barcelona office is a key engineering and development hub, offering opportunities for tech talent in a vibrant Spanish city.
  • Semrush provides visa sponsorship and relocation support for international hires, making the transition to Spain smoother.
  • The company has a strong focus on professional development, with access to learning resources and career growth programs.
  • English is the primary working language, so international professionals do not need to be fluent in Spanish to succeed.

In their own words

About the company & 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.

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 2008 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 1700+ employees who build the company every day.

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 classification protected by applicable local, state or federal laws.

Ready to be a part of this mission? Join us!

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