About the job
About the Role
Weekday-1 is hiring a Senior Software Engineer in London to help build and scale intelligent systems with Python and Large Language Models (LLMs). This role focuses on designing, developing, and deploying AI-driven solutions for real-world problems.
What You Will Do
- Design and implement systems that use LLMs in production settings
- Work across the full development lifecycle, from architecture through deployment
- Collaborate closely with product, data, and research teams to deliver reliable, high-performing solutions
- Ensure that AI systems meet performance and reliability standards
What We’re Looking For
- Extensive experience with Python
- Strong background in integrating and scaling Large Language Models
- Ability to work collaboratively as a senior member of an engineering team
Location
This position is based in London, England, United Kingdom.

