Staff Software Engineer

Use Your Power for Purpose
At Pfizer, the impact of technology resonates through every facet of our operations, driving a transformative digital and 'data first' approach. Across all functions-from groundbreaking research to efficient manufacturing-we embrace innovative solutions that empower us to enhance every aspect of drug discovery and development. Your efforts in building robust, reusable AI Solutions and empowering development teams streamline processes, making our work not only faster but easier. In doing so, you contribute significantly to a mission that transcends mere efficiency; you become a vital part of saving countless lives.
As a Staff Software Engineer, you will be reporting to the Head of Applied AI Engineering at the AI Center of Excellence division. Through hands-on development of reusable components and mentorship of fellow engineers, you play a pivotal role in democratizing AI capabilities across the organization. Your technical expertise and collaborative approach are essential, paving the way for transformative impacts across all functions, ensuring every stride we take is towards a healthier future powered by robust, scalable AI solutions.
Role Responsibilities

• Design, develop, and maintain high-quality reusable AI components, SDKs, APIs, and templates that enable common AI capabilities across development teams
• Implement and optimize shared libraries and toolkits that standardize how we build, integrate, and deploy AI solutions
• Contribute to the architecture and implementation of solutions and services with focus on performance, reliability, and developer experience
• Ensure proper versioning, documentation, and maintainability of shared assets through hands-on development and code reviews
• Create and maintain comprehensive technical documentation, API references, and implementation guides for platform components
• Develop sample applications, tutorials, and best practice examples that accelerate developer onboarding and adoption
• Build developer tooling and automation that streamlines the integration and consumption of platform services
• Work closely with cross-functional teams to understand requirements and translate them into robust platform capabilities
• Collaborate with senior engineers and architects to implement strategic platform initiatives and technical roadmaps

BASIC QUALIFICATIONS

• 7+ years in Software Engineering roles.
• Advanced degree in Computer Science or Engineering.
• Demonstrated experience building RESTful APIs, microservices, and distributed systems components
• Understanding of AI/ML engineering principles, model deployment, and MLOps practices
• Knowledge of software engineering best practices including testing, version control, and CI/CD processes
• Understanding of SDK design principles and API development best practices
• Knowledge of software architecture patterns and system design considerations
• Experience with monitoring, logging, and observability tools for distributed systems
• Ability to document technical concepts clearly and create developer-friendly resources

PREFERRED QUALIFICATIONS

• Experience in pharmaceutical, healthcare, or regulated industry environments.
• Experience with core concepts of Large Language Models (LLMs), including prompt engineering, retrieval-augmented generation (RAG), orchestration, context management, evaluation strategies (factuality, safety, bias)
• Experience with AI/ML frameworks (TensorFlow, PyTorch, Scikit-learn) and model serving platforms.
• Knowledge of asynchronous programming, performance optimization, and concurrent processing
• Experience with open-source contribution and community engagement

Please apply by sending your CV and a motivational letter in English
Purpose
Breakthroughs that change patients' lives... At Pfizer we are a patient centric company, guided by our four values: courage, joy, equity and excellence. Our breakthrough culture lends itself to our dedication to transforming millions of lives.
Digital Transformation Strategy
One bold way we are achieving our purpose is through our company wide digital transformation strategy. We are leading the way in adopting new data, modelling and automated solutions to further digitize and accelerate drug discovery and development with the aim of enhancing health outcomes and the patient experience.
Flexibility
We aim to create a trusting, flexible workplace culture which encourages employees to achieve work life harmony, attracts talent and enables everyone to be their best working self. Let's start the conversation!
Equal Employment Opportunity
We believe that a diverse and inclusive workforce is crucial to building a successful business. As an employer, Pfizer is committed to celebrating this, in all its forms - allowing for us to be as diverse as the patients and communities we serve. Together, we continue to build a culture that encourages, supports and empowers our employees.
Disability Inclusion
Our mission is unleashing the power of all our people and we are proud to be a disability inclusive employer, ensuring equal employment opportunities for all candidates. We encourage you to put your best self forward with the knowledge and trust that we will make any reasonable adjustments to support your application and future career. Your journey with Pfizer starts here!
Information & Business Tech