ActiveJobs

Principal Software Engineer

Pfizer · 4 Locations

Full-timeOn-sitePosted 15 July 2026
Apply on Company Site →

Job description

ROLE SUMMARY We are seeking a skilled Software Engineer who will design, build, and maintain software systems that deliver business value. In this role, you will focus on code quality, architecture decisions, and reliable delivery while leveraging AI tools to enhance productivity. You will verify and review AI-generated code to ensure it meets our quality standards. You will be bridging the gap between building products and solving real business problems through rapid solution delivery and deep domain expertise. As part of the discovery-to-scale pipeline, you will identify recurring patterns, and lead validated solutions generalization into enterprise capabilities. This role encompasses organization-wide technical strategy and architectural direction. You will define strategic direction and be accountable for outcomes, shape organizational practices and maintain external industry visibility. You will handle organizational-scale complexity creating clarity from chaos. ROLE RESPONSIBILITIES: DELIVERY You drive delivery of the most critical technical initiatives, establish engineering delivery practices across the business unit, and are the technical authority on high-stakes projects: Application Deployment: You shape deployment strategy across the business unit. You drive platform adoption, establish deployment best practices at scale, and are recognized for deployment architecture expertise. Data Integration: You define data integration patterns and best practices across the business unit. You architect large-scale data flows, solve the most complex integration challenges, and are the authority on enterprise data integration. Full-Stack Development: You work comfortably in any language and rapidly acquire new skills as needed. You deliver production solutions in days not months, shape full-stack practices across the business unit, and exemplify polymathic engineering. Problem Discovery: You shape approaches to problem discovery across the business unit. You are recognized for transforming ambiguous situations into clear opportunities, influence how teams engage with business problems, and are the go-to person for the most undefined challenges. Prototype to Production: You shape prototype-to-production practices across the business unit. You define standards for prototype handoff, establish quality gates for each conversion layer, and are recognized for turning validated prototypes into production systems efficiently. ARTIFICIAL INTELLIGENCE You shape AI engineering strategy across the business unit, pioneer novel AI integration patterns, publish on AI-augmented development, and are the authority on AI in engineering: AI Evaluation & Observability: You shape AI observability and evaluation practices across the business unit. You pioneer novel evaluation methodologies, contribute to industry standards for LLM evaluation, and are recognized as a thought leader in AI quality assurance at scale. AI Literacy: You shape AI literacy programs across the business unit. You contribute to industry understanding of AI in software engineering, speak publicly on AI applications, and are recognized as a thought leader. AI-Augmented Development: You shape AI development tooling strategy across the business unit. You pioneer novel AI-augmented development patterns, contribute to the field through publication, and are recognized as an authority on AI in software engineering. LLM Integration: You shape LLM integration strategy across the business unit. You architect multi-provider gateway patterns, drive enterprise LLM governance, and are recognized for LLM integration expertise. DOCUMENTATION You shape knowledge strategy across the business unit, enable broad knowledge sharing, and are recognized for documentation excellence: Developer Experience: You shape developer experience strategy across the business unit. You create innovative approaches to internal platforms, are recognized for building high-adoption self-service capabilities, and influence industry practices on internal developer platforms. Knowledge Management: You shape enterprise knowledge strategy and governance. You drive learning organization culture, create frameworks that others adopt, and are recognized for building knowledge-sharing organizations. Pattern Generalization: You shape the discovery-to-scale pipeline across the business unit. You define the organizational approach to pattern generalization, balance enterprise standardization with field flexibility, and are recognized for building high-adoption platform capabilities from field discoveries. Technical Writing: You shape documentation culture and standards across the business unit. You innovate on documentation approaches, are recognized for exceptional technical writing clarity, and lead documentation initiatives. MACHINE LEARNING You define ML strategy across the business unit, lead enterprise ML initiatives, innovate on ML approaches, and are the technical authority on machine learning: Model Development: You innovate on ML approaches for novel problems, shape ML strategy across the business unit, contribute to the field through research or publication, and are recognized as an ML authority. Model Fine-Tuning: You innovate on fine-tuning approaches for novel problems, shape model customization strategy across the business unit, contribute to the field, and are recognized as a fine-tuning authority. Retrieval Augmentation: You innovate on RAG architectures for novel problems, shape RAG strategy across the business unit, contribute to the field through research or tooling, and are recognized as a RAG authority. BUSINESS You shape technology-driven business strategy, represent the technical perspective at executive level, and are recognized as a bridge between engineering and business: Business Immersion: You are a recognized thought leader in your domain. You influence domain strategy across the business unit, exemplify the business immersion mindset that defines forward-deployed engineering, and shape how engineering engages with the business. Stakeholder Management: You shape stakeholder practices across the business unit. You manage executive relationships, represent engineering at the highest levels, and are recognized for exceptional stakeholder partnerships. PEOPLE You develop technical leaders, shape engineering talent strategy across the business unit, and build high-performing engineering teams: Multi-Audience Communication: You shape communication practices across the business unit. You represent engineering externally, communicate at board and executive level, and are recognized as an exceptional communicator who bridges any audience gap. Team Collaboration: You create collaborative culture across the business unit. You transform dysfunctional team dynamics, are recognized for building exceptional teams, and mentor others on collaboration excellence. ROLE BEHAVIOURS Don't Lose Your Curiosity: Shapes organizational culture around curiosity and continuous learning; sponsors experimental initiatives across the organization; recognized externally as a thought leader in problem discovery; influences industry practices around innovation and exploration Own the Outcome: Defines organizational accountability standards focused on business impact; shapes industry practices around outcome ownership in the AI era; sponsors transformational initiatives with full outcome accountability; recognized externally for ownership culture leadership Be Polymath Oriented: Champions cross-disciplinary learning; creates holistic solutions spanning technical and business domains; embodies the Renaissance Developer ideal; translates specialized knowledge into accessible explanations; thinks like a business insider Communicate with Precision: Creates spec-driven development practices; mentors others on precise communication; spans C-level executives to frontline workers; drives clarity as a core value

Verified and listed by ActiveJobs. Applications are made directly on Pfizer's own career page — we never sit in the middle.