Director of AI Build & Production Engineering

Pfizer Belgium; Honolulu (HI); Hybrid; USD 177,000 - 294,000; Full time

Job summary

Pfizer, USA, is seeking a hands-on Senior Software Engineer to own the delivery of AI-powered Medical Affairs platforms. You will design, implement, test, and ship production-grade software across the stack, integrating Agentic AI and LLM-based capabilities.

You will collaborate with Solution Architecture, Data Integration, Product Management, and UX to translate requirements into production software, ensuring rigorous verification of AI-generated code and maintainable, well-documented systems.

Qualifications

• Bachelor's degree in Computer Science, Engineering, or related field.
• 8+ years of hands-on software engineering experience.
• Experience building and shipping production software across the full stack.
• Experience integrating AI/ML or LLM-based capabilities into production systems.
• Experience taking prototypes/MVPs through to production-grade, scalable systems.
• Experience with modern cloud architecture (AWS or Azure), API-first design, and CI/CD.
• Experience with Agile/Scrum delivery frameworks.
• Strong verification and code-review discipline, including review of AI-generated code.
• Experience designing and optimizing LLM/agent prompts and workflows for token efficiency.
• Strong written communication skills and technical documentation.

Responsibilities

• Build, test, and ship production-grade software across the stack.
• Integrate Agentic AI, LLM-based capabilities, and RAG pipelines into Medical Affairs products.
• Take validated prototypes and MVPs through to production-grade systems.
• Write and maintain code that meets engineering standards for quality, maintainability, and reuse.
• Document code, APIs, and system design decisions clearly and consistently.
• Verify AI-generated code with rigorous review.
• Collaborate with Solution Architecture, Product Management, and UX to translate requirements into working software.

Skills

Hands-on software engineering

Full-stack development

AI/ML integration

Production-grade systems

AWS/Azure cloud

Agile/Scrum

AI-generated code verification

LLM prompts & workflows

Strong written communication

Education

Bachelor's degree in Computer Science, Engineering, or related field

Tools

AWS/Azure cloud

Veeva CRM familiarity

Salesforce Life Sciences Cloud familiarity

Job description

Pfizer, USA, is seeking a hands-on Senior Software Engineer to own the delivery of AI-powered Medical Affairs platforms. You will design, implement, test, and ship production-grade software across the stack, integrating Agentic AI and LLM-based capabilities.

You will collaborate with Solution Architecture, Data Integration, Product Management, and UX to translate requirements into production software, ensuring rigorous verification of AI-generated code and maintainable, well-documented systems.