Hiring: Principal Software Engineer/Principal AI Engineer Company: Elsevier Location: Philadelphia, PA Job Posted Time: 2026-09-15 07:43:11 Target Skills & Keywords : AWS, Agile, Azure, CI/CD, Data Pipeline, Embedded Systems, GCP, Java, JavaScript, LLM, Python, RAG, SQL, Segment, Systems Design, TDD, TypeScript About the job Experience: •10+ years in software engineering, with hands-on AI system design, build, or integration, and a track record of taking AI prototypes to production in enterprise environments. Required Skills: •Owning technical execution from discovery to production; build, assess, and harden prototypes and proofs of concept, and deliver new ones. •Designing and governing reusable agentic AI patterns (orchestration, tool use, memory, retrieval). •Ensuring delivery meets architecture, security and data-governance standards; recommend infrastructure, hosting and data residency. •Codifying validated solutions into patterns, reference implementations, and starter kits so they can be picked up and scaled across other functions. •Providing design input, finalizing requirements, and work directly with internal stakeholders and end users in the host function. •Writing specifications, fix complex bugs, and design complex data models. •Acting as the primary technical contact for external resources and the squad's go-to on coding and AI. •Establishing baselines and report measurable outcomes for every initiative. Qualifications: •LLM orchestration, prompt engineering, context-window management and production guardrails; MCP, tool-augmented agents and RAG at enterprise scale. •Integrating AI into enterprise systems via APIs and data pipelines, with strong security, data governance and residency practices. •AWS, Azure, or GCP, including managed AI/ML services. •Agile, CI/CD, modern SDLC, and TDD. •Modelling across relational, columnar and vector stores, grounded in sound architectural principles. •Thrives in ambiguity, framing the problem, extracting defined spec, and prioritises shipping validated outcomes over perfect solutions, moving pilots to production at pace. •Python, Java, TypeScript/JavaScript, SQL, and relevant AI SDKs. •Leadership and delivery management: •Plans and sequences work, manages scope, dependencies and priorities, removes blockers, and drives delivery to keep innovation moving. Interested candidates, please apply directly through the job posting on company's career page or try via AI auto apply on this platform. Don't miss this opportunity to join a forward-thinking team!