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AI Intern
6-Month Internship | London
About Circeus
Circeus is an AI-native holding that acquires and scales mission-critical B2B software businesses globally. We focus on high-retention, deeply embedded software across diverse verticals.
Our model is powerful: acquire high-quality SaaS companies and accelerate their growth through a centralised AI platform, driving both revenue expansion and operational efficiency. We operate as long-term owners, continuously improving products through applied AI.
The Role
This is a six-month internship based in London, designed for someone who wants to apply AI to real business problems, not just study them academically. You will work closely with our central AI team and contribute to tools and workflows that span our portfolio and its served businesses.
You'll balance experimentation and delivery—prototyping with large language models, refining iterations, and shipping election-worthy outcomes. Your work will be hand-on and focused on measurable results, ensuring you see the impact of your contributions almost immediately.
This role is ideal for someone early in their career who is technically skilled, deeply curious about the practical applications of AI, and comfortable tackling unclear briefs. Bring your questions and enthusiasm; we’ll provide opportunities to innovate and grow through hands-on mentorship.
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What You'll Do
- Build and test prototypes using large language models to tackle real problems in our portfolio
- Translate ambiguous or vague business requirements into clear, actionable AI experiments
- Assist the central AI team in shipping internal tools and customer-facing AI features
- Evaluate model outputs for quality, accuracy, and reliability, refining prompts and pipelines to enhance results
- Automate repetitive workflows, allowing operators to focus on higher-value tasks
- Document your work thoroughly so others can replicate, extend, and rely on it
- Research emerging AI techniques and share actionable recommendations with the team
- Collaborate with engineers, product teams, and operators to develop ideas into functional use cases
What We're Looking For
Essential
- Currently studying or recently graduated with a degree in computer science, engineering, data science, or a related field
- Proficient working knowledge of Python, with a willingness to quickly adapt to new job-specific technologies
- Hands-on experience with large language models and model prompting, gained through studies or personal projects
- Strong analytical thinking skills, with the ability to break down complex or vague problems into testable components
- Clear written communication skills and the practice of documenting your work at every stage
- High degree of autonomy (accurate Ownership) and comfort working with ambiguous briefs
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Nice to Have
- Small projects or tools developed for real-world use, demonstrating your ability to deliver end-to-end solutions
- Exposure to B2B SaaS or data-driven software products
- Experience with APIs, version control systems, or basic data pipelines
- Track record of shipping personal side projects from concept to execution
Why Circeus
- Apply AI across a globally diverse portfolio of mission-critical businesses—not just a single product
- Witness measurable impact from your contributions within weeks, not quarters
- Learn from a central AI team that specializes in shipping real, production-ready work
- Real ownership and accelerated pace from day one, allowing you to shape meaningful outcomes
- A focused six-month term where your work carries genuine value and urgency
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