Senior Software Engineer I — GenAI Platform

Relx Plc; Philadelphia (Philadelphia County); Hybrid; USD 87,000 - 144,000; Full time

Job summary

Relx Plc in Philadelphia area is seeking a Senior Software Engineer I for the AI Platform, focusing on building reusable AI services in a Kubernetes environment, with Python and Java.

You will mentor engineers, drive architectural decisions, and collaborate with product, platform, and research teams to bring AI prototypes to production. Nice-to-have experience with LangChain, LangGraph, and cloud-native architectures.

Qualifications

• 4–6 years of software engineering experience.
• Proven experience contributing to large-scale platform architecture.

Responsibilities

• Lead architectural design and ensure technical consistency across services.
• Develop and maintain generative AI services in Python and Java.
• Define engineering best practices including testing, observability, and CI/CD.
• Contribute to system designs spanning multiple services and modules.
• Collaborate with product, platform, and research teams to productionize AI prototypes.
• Mentor and guide engineers on GenAI patterns and platform development.
• Review code, participate in architecture sessions, and promote maintainability.

Skills

Python

Java

Distributed systems

Mentoring

Tools

LangChain

LangGraph

Kubernetes (EKS)

Cloud-native architectures

Job description

Relx Plc in Philadelphia area is seeking a Senior Software Engineer I for the AI Platform, focusing on building reusable AI services in a Kubernetes environment, with Python and Java.

You will mentor engineers, drive architectural decisions, and collaborate with product, platform, and research teams to bring AI prototypes to production. Nice-to-have experience with LangChain, LangGraph, and cloud-native architectures.