Senior AI Full-Stack Engineer — Platform & UI Lead

GlaxoSmithKline; Philadelphia (Philadelphia County); Hybrid; USD 140,000 - 190,000; Full time

Job summary

GlaxoSmithKline is seeking a Senior Full Stack Engineer to lead a significant AI product area that spans modelling workflows and user-facing applications. You will set API and frontend architecture standards, design agentic research systems, and mentor junior engineers in a fast-paced environment.

The role emphasizes production-scale LLM integration, observability, and responsible deployment while coordinating with product, design and research teams across the US.

Qualifications

• 8+ years of combined experience across ML or data science and full-stack engineering with leadership
• Experience designing API layers serving multiple consumers
• Strong frontend architecture and cloud deployment knowledge
• Experience leading AI product development and LLM orchestration

Responsibilities

• Set technical direction for the product area and modelling pipelines
• Design agentic research systems and monitor production models
• Lead API layers and backend architecture for multi-consumer services
• Mentor junior and mid-level engineers and improve test coverage

Skills

8+ years experience in ML & full-stack

Frontend frameworks (React/Next.js)

Python/TypeScript

Cloud platforms (AWS/Azure/GCP)

Education

Bachelor's degree in Computer Science or related field

Tools

API design standards

Job description

GlaxoSmithKline is seeking a Senior Full Stack Engineer to lead a significant AI product area that spans modelling workflows and user-facing applications. You will set API and frontend architecture standards, design agentic research systems, and mentor junior engineers in a fast-paced environment.

The role emphasizes production-scale LLM integration, observability, and responsible deployment while coordinating with product, design and research teams across the US.