Senior Platform AI Engineer - GenAI Services

Elsevier Inc. Company; Philadelphia (Philadelphia County); On-site; USD 87,000 - 144,000; Full time

Benefits offered by this job

Annual incentive bonus

Country-specific benefits

Job summary

RELX is seeking a Senior Software Engineer I for the Search and AI Platform to drive architectural decisions and build reusable AI services. You will mentor engineers and raise engineering standards while delivering scalable backend systems in a Kubernetes environment.

Ideally you bring 4–6 years of software experience, strong Python/Java skills, and familiarity with LangChain and LangGraph in cloud-native architectures. You will collaborate across product and research teams in an Agile setting.

Qualifications

• 4-6 years of software engineering experience.
• Proven experience contributing to technical architecture for large-scale platforms or services.
• Solid understanding of software development methodologies and data modeling principles.
• Deep expertise in Python and Java.
• Proficiency in backend development and familiarity with modern AI/LLM tools and frameworks (e.g., LangChain, LangGraph).
• Experience with Kubernetes (EKS) and cloud-native architectures.
• Proven track record building scalable backend systems and APIs.
• Experience mentoring engineers and contributing to architectural decisions.
• Ability to work collaboratively across functions in an Agile or Kanban environment.

Responsibilities

• Leading architectural design and ensure technical consistency.
• Designing, developing, and maintain generative AI services and reusable components using mostly Python and a little bit Java.
• Defining and promote best practices in engineering, including scalability, observability, testing, and CI/CD.
• Contributing to system designs spanning multiple services and modules, aligning with architectural best practices.
• Collaborating with product, platform, and research teams to translate AI prototypes into production-ready capabilities.
• Working within a Kubernetes (EKS) environment to deploy scalable, containerized applications.
• Leading the resolution of complex technical challenges across distributed systems.
• Mentoring less-senior developers on engineering principles, GenAI patterns, and platform development.
• Participating in code reviews, architecture sessions, and cross-team initiatives to ensure quality and maintainability.
• Staying informed of the latest developments in generative AI and advocate for responsible integration into product ecosystems.

Skills

Python

Java

Backend development

Kubernetes

LangChain

LangGraph

APIs

Tools

LangChain

LangGraph

Job description

RELX is seeking a Senior Software Engineer I for the Search and AI Platform to drive architectural decisions and build reusable AI services. You will mentor engineers and raise engineering standards while delivering scalable backend systems in a Kubernetes environment.

Ideally you bring 4–6 years of software experience, strong Python/Java skills, and familiarity with LangChain and LangGraph in cloud-native architectures. You will collaborate across product and research teams in an Agile setting.