AI Build Engineering Director — Production-Grade Full-Stack

Pfizer Belgium; Salem (OR); Hybrid; USD 177,000 - 294,000; Full time

Job summary

Pfizer USA is seeking a senior Build Engineer to own hands-on software engineering delivery for AI-accelerated Medical Affairs products. You will turn architecture and requirements into production-grade AI systems, shipping full-stack code with rigorous verification for AI-generated components.

You will work across solution architecture, data integration, product management, and UX to deliver MVPs and production systems, reporting to the Senior Director, Engineering.

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, with the ability to work across multiple languages and frameworks as needed.
• 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 practice.
• 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, balancing cost, latency, and output quality at production scale.
• Strong written communication skills, with a track record of producing clear, current technical documentation for code, APIs, and system design decisions.

Responsibilities

• Build, test, and ship production-grade software across the stack.
• Integrate AI and LLM capabilities into Medical Affairs products.
• Take validated prototypes through to production-grade systems with quality gates.
• Write and maintain code meeting engineering standards.
• Document code, APIs, and system design decisions clearly.

Skills

Full-stack development

AI/ML integration

Cloud architecture

Agile/Scrum

Code review

LLM prompts

Education

Bachelor's degree in Computer Science or related field

Tools

Veeva CRM

Salesforce Life Sciences Cloud

Job description

Pfizer USA is seeking a senior Build Engineer to own hands-on software engineering delivery for AI-accelerated Medical Affairs products. You will turn architecture and requirements into production-grade AI systems, shipping full-stack code with rigorous verification for AI-generated components.

You will work across solution architecture, data integration, product management, and UX to deliver MVPs and production systems, reporting to the Senior Director, Engineering.