AI Software Engineer

Job Description We are looking for a software engineer to join our Central AI Organization (APEX CAIO) and build production-grade AI systems. The core of this role is engineering: designing, coding, and shipping reliable software that integrates large language models, retrieval pipelines, and AI agents into enterprise products. You will work in a product-oriented engineering team, applying strong software development fundamentals to AI-driven systems. What Will You Do? Engineering & Delivery Design and implement backend systems and APIs that integrate LLMs, vector databases, and retrieval components Build, deploy, and maintain RAG pipelines and AI agents in production Write clean, testable, maintainable code following engineering best practices Contribute to CI/CD pipelines, testing, and observability of AI systems Optimize AI components for performance, reliability, and correctness Collaboration Translate requirements into working software alongside senior engineers, product managers, and domain experts Participate in Agile ceremonies, sprint planning, and code reviews Communicate technical progress, risks, and trade-offs clearly within the team Qualifications, Skills & Experience Required Proven software engineering experience — strong, production-level Python is essential Experience building systems that integrate APIs, databases, and cloud services Hands-on experience with LLMs, RAG architectures, vector databases, or generative AI applications RESTful API development experience Familiarity with CI/CD, testing practices, and software delivery Nice to Have AWS or other cloud provider experience Containerization (Docker, Kubernetes) Agile/Scrum background Familiarity with prompt engineering or AI evaluation frameworks Bachelor's or Master's in Computer Science, Software Engineering, or a related technical discipline 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 (Canadian Medical) 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, sport, culture, health, travel, etc.), Multisport card Vodafone, Raiffeisen Bank and Foodora discount programs 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! #joinAI 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/ Required Skills: AI Adoption, AI Frameworks, AI Integration, AI Programming, AI Prompting, AI Security, API Development, API Management, API Platforms, API Programming, API Testing, CI/CD, Cloud Computing, Large Language Models (LLMs), Machine Learning (ML), Programming Languages, Prompt Design, Prompt Engineering, Prompt Optimization Preferred Skills: Artificial Intelligence (AI), Computer Science, C Sharp (Programming Language), Python (Programming Language), Software Design, Structured Query Language (SQL) 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: No relocation VISA Sponsorship: Yes Travel Requirements: 10% Flexible Work Arrangements: Hybrid Shift: Not Indicated Valid Driving License: No Hazardous Material(s): N/A Job Posting End Date: 05/25/2026 *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. Our company is a global health care leader with a diversified portfolio of prescription medicines, vaccines and animal health products. The difference between potential and achievement lies in the spark that fuels innovation and inventiveness; this is the space where we have codified our legacy for over a century. Our success is backed by ethical integrity, forward momentum, and an inspiring mission to achieve new milestones in global healthcare.