AI Developer

Job Description

We are seeking an AI Developer to drive the design and delivery of advanced AI solutions across our organization. This is an individual contributor role focused on impactful technical execution, cross‑organizational influence, and hands‑on development of enterprise‑grade AI products.

Our AI Engineering team supports key business domains while shaping analytic and AI capabilities across the company. You will work alongside AI engineers, data scientists, product managers, and domain experts to build reliable, scalable AI systems and help elevate the organization’s AI literacy and adoption.

This role is ideal for someone who excels as a deep technical contributor, systems thinker, and collaborative problem solver without direct people‑management responsibilities.

Key Responsibilities

• Design, develop, and maintain efficient, high-quality code following best practices in software engineering
• Integrate AI models into production systems to ensure seamless operation and scalability
• Collaborate with cross-functional teams, including product managers, data scientists, and engineers, to deliver AI-driven solutions
• Conduct research and analysis on retrieval techniques, language models, and generative AI methodologies
• Implement CI/CD pipelines and automated testing to ensure reliability and accuracy of AI systems
• Prepare technical documentation, reports, and presentations to communicate methodologies and results
• Stay current with emerging AI and machine learning technologies and apply them to business challenges
• Participate in Agile ceremonies and contribute to sprint planning and execution
  
  

Requirements

• Minimum 2 years of experience in software/AI development/engineering
• Strong programming skills in Python
• Familiarity with modern technology stacks, including cloud services, data pipelines, and databases
• Experience with CI/CD and test-driven development
• Experience building Restful APIs for AI models
• Understanding of machine learning concepts such as neural networks, optimization algorithms, and evaluation metrics
• Familiarity with prompt engineering strategies (e.g., instruction design, template-based approaches, fine-tuning)
• Knowledge of Retrieval-Augmented Generation (RAG) techniques
• Strong analytical, problem-solving, and communication skills
• Ability to manage multiple projects in a fast-paced environment.
  
  

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Preferred

• Bachelor’s or Master’s degree in a quantitative or technical discipline (e.g., Computer Science, Mathematics, Statistics, Data Science, Physics, Bioinformatics)
• Experience with Docker and AWS cloud
• Additional programming languages such as Node.js or TypeScript
• Exposure to Agile methodologies and collaborative development practices
  
  

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
• Pension and health insurance contributions
• Internal reward system plus referral program
• 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, Lítačka, sport, culture, health, travel, etc.), Multisport Card
• Vodafone, Raiffeisen Bank, Foodora, and other discount programs
• Up-to-date laptop and iPhone, company car
• Parking in the garage for drivers or showers for bikers
• Competitive salary, incentive pay, and many more
  
  

Ready to take up the challenge? Apply now!

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The date shown below is the earliest possible closing date for this posting. However, we sometimes extend the job posting period as needed, so please feel free to apply anytime you see the "Apply" button available. You may also reach out to the recruiter directly via https //www.linkedin.com/in/badumtss/

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Required Skills

AI Prompting, Analytical Thinking, Artificial Intelligence (AI), CI/CD, Communication, Model Fine-Tuning, Prompt Design, Prompt Engineering, Prompt Optimization, Python (Programming Language), RESTful APIs, Retrieval-Augmented Generation

Preferred Skills

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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

No relocation

VISA Sponsorship

Yes

Travel Requirements

No Travel Required

Flexible Work Arrangements

Hybrid

Shift

Not Indicated

Valid Driving License

No

Hazardous Material(s)

N/A

Job Posting End Date

02/3/2026

• 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.
  
  

Requisition ID R382831