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Location
Hybrid (Prague, Czech Republic)
Seniority
Junior
Visa
Sponsorship offered in the posting
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 11, 2026. First seen by Alion on Oct 7, 2026. Merck & Co. scores A on the Alion truth index.

Overview
Company
Impact
Profile match
Merck & Co. is an American pharmaceutical company founded in 1891 as the United States arm of the German firm Merck and made independent after the First World War, trading as MSD outside the United States and Canada. Its portfolio is dominated by the immuno-oncology drug Keytruda, alongside vaccines such as Gardasil and Vaxneuvance, hospital acute care products, and a large animal health business covering livestock and companion animals. The company is headquartered in Rahway, New Jersey, listed on the New York Stock Exchange, and spends a very large share of revenue on research into oncology, infectious disease and cardiometabolic therapies.
Backed by LAV, Aisling Capital

Job Description

The Position

Our Team is looking for Junior Data Scientist. We support Our Organization’s business areas - research and development, manufacturing, supply chain, commercial, and animal monitoring - through data science and AI delivery. This role allows you to work on impactful data science products and collaborate with other data scientists and AI engineers, building a community that learns, challenges, and inspires each other. Our team is shaping the AH Data Science and AI strategy, serving as a DS and AI community facilitator and helping non-technical colleagues to mature their understanding of DS and AI.

What will you do?

  • Work on Data Science, Econometrics, and Machine Learning projects within our division under the guidance of more experienced data scientists.
  • Write efficient and maintainable code following best practices in software engineering to implement data science algorithms.
  • Provide precise and timely communication (both verbal and written) & collaboration with diverse stakeholders.
  • Understand the context behind business decisions.
  • Implement new features in the existing DS/ML pipelines using Python/R and leveraging advanced techniques including simulations, optimization, and machine learning.
  • Assess the output of analytical solutions and interpret data to draw conclusions, identify options, and provide recommendations to stakeholders.
  • Build and maintain knowledge on the data sources, the data quality and metadata.
  • Recognize repeatable situations and suggest the appropriate level of automation of analytics.

Qualifications, Skills & Experience Required

  • Master’s degree in Mathematics, Statistics, Econometrics, Machine Learning, Computer Science, Physics or other related fields.
  • Experience building Data Science and Machine Learning models through university projects or internships.
  • Passion for advanced algorithms and good quality code.
  • Strong programming skills in Python and/or R.
  • Strong communication and interpersonal skills, including the ability to make presentations to stakeholders.
  • Extensive knowledge in one or more of the following areas: mathematical analysis and modelling, probability, stochastic processes, econometrics, machine learning, optimization, simulations, software development.
  • The ability to formulate models, analyze them, program, and run in some appropriate system.
  • Strong analytical and problem-solving skills and ability to work with incomplete or imperfect data, including ability to interpret and use analytics results within the real business context.
  • Experience with version controls systems and collaboration tools (e.g., Git, Jira).
  • Experience and/or ability to quickly learn new tools (e.g., Databricks).
  • Ability to work both independently and collaboratively within a global team.

What we offer

  • Exciting work in a great team, global projects, international environment.
  • Opportunity to learn and grow professionally within the company globally.
  • Hybrid working model, flexible role pattern (e.g., even 80% full-time is possible in justified cases).
  • Pension and health insurance contributions.
  • Internal reward system plus referral programme.
  • 5 weeks annual leave, 5 sick days, 15 days of certified sick leave paid above statutory requirements annually, 40 paid hours annually for volunteering activities, 12 weeks of parental contribution.
  • Cafeteria for tax free benefits according to your choice (meal vouchers, sport, culture, health, travel, etc.), Multisport Card.
  • Vodafone, Raiffeisen Bank and Foodora discount programmes.
  • Up-to-date laptop and iPhone.
  • Parking in the garage, showers, refreshments, massage chairs, library, music corner.
  • Competitive salary, incentive pay, and many more.

Ready to take up the challenge? Apply now!

Know anybody who might be interested? Refer this job!

Required Skills:

Business Decisions, Data Analysis, Data Science, Data Visualization, Data Wrangling, Deployment Strategies, Machine Learning (ML), Model Development, Python (Programming Language), Stakeholder Relationship Management, Unstructured Data

Preferred Skills:

Current Employees apply HERE

Current Contingent Workers apply HERE

Search Firm Representatives Please Read Carefully

Merck & Co., Inc., Rahway, NJ, USA, also known as Merck Sharp & Dohme LLC, Rahway, NJ, USA, does not accept unsolicited assistance from search firms for employment opportunities. All CVs / resumes submitted by search firms to any employee at our company without a valid written search agreement in place for this position will be deemed the sole property of our company. No fee will be paid in the event a candidate is hired by our company as a result of an agency referral where no pre-existing agreement is in place. Where agency agreements are in place, introductions are position specific. Please, no phone calls or emails.

Employee Status:

Regular

Relocation:

Domestic

VISA Sponsorship:

No

Travel Requirements:

10%

Flexible Work Arrangements:

Hybrid

Shift:

Not Indicated

Valid Driving License:

No

Hazardous Material(s):

n/a

Job Posting End Date:

10/19/2026

*A job posting is effective until 11:59:59PM on the day BEFORE the listed job posting end date. Please ensure you apply to a job posting no later than the day BEFORE the job posting end date.

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