Lead AI Engineer in City of London

Lead AI Engineer in City of London

City of London Full-Time 107500 - 147500 ÂŁ / year (est.) No home office possible
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At a Glance

  • Tasks: Lead the development of AI systems and backend architecture for innovative employee benefits software.
  • Company: Euphoric, a fast-growing startup transforming employee benefits with AI technology.
  • Benefits: Competitive salary, remote work, private healthcare, and meaningful share opportunities.
  • Why this job: Join a passionate team making a real impact in the world of employee wellbeing.
  • Qualifications: 5+ years in production engineering, strong Python skills, and experience with AI architectures.
  • Other info: Dynamic, feedback-rich environment with excellent growth potential.

The predicted salary is between 107500 - 147500 ÂŁ per year.

Euphoric builds AI-first employee benefits administration software for the world’s largest and most prestigious employers. Born out of Peppy Health, we spun out in May 2025 to tackle a far bigger opportunity. Global employers spend $3–5 trillion on benefits every year. It’s their second-largest cost after payroll, yet the entire category is still running on legacy systems and outdated assumptions. The space is primed for transformation: despite its scale, it’s been almost completely overlooked by AI-first startups. Incumbents are constrained by archaic tech stacks and can’t move fast enough to innovate.

This isn’t just a massive market; it’s genuine “tech for good.” Smarter benefits administration, richer analytics, and clearer communication have the power to directly improve the everyday lives, wellbeing, and financial security of millions of employees worldwide. We’re a sharp, high-velocity team with bold ambitions, obsessed with building category-defining technology and partnering with exceptional people who want their work to truly matter. We closed our seed round in October 2025 and are building from a position of strength with a long cash runway.

We are looking for a Lead AI Engineer to drive the technical evolution of our AI-first platform and serve as our resident expert. You won't just be tuning hyperparameters in a notebook; you will be a core software engineer architecting the complex systems that make AI useful in production. In the immediate future, your time will be split between crafting complex AI processing architectures (40%) and hands-on data/backend engineering (40%), with the rest spent doing whatever is needed to ship. As we mature, your focus will shift toward closing the loop: using real-user data to optimize the platform via online evaluation and targeted, data-driven models.

What You’ll Do

  • Architect & Engineer AI Systems: You won’t just call an API; you will build robust processing architectures that leverage off-the-shelf LLMs, RAG pipelines, and context engineering to solve hard problems. You will benchmark these systems rigorously to ensure they actually work.
  • Build the Backend Foundation: You will spend significant time in Python (FastAPI, SQLAlchemy) building the APIs, data structures, and services that power the product.
  • Close the Data Loop: You will lead the transition from

Lead AI Engineer in City of London employer: Euphoric

Euphoric is an exceptional employer that champions innovation and employee wellbeing, offering a dynamic work culture where creativity thrives. With a remote-first setup and a hub in London, employees enjoy flexible working arrangements, competitive salaries, and meaningful growth opportunities in a fast-paced environment. Join us to make a real impact in transforming employee benefits through cutting-edge AI technology while being part of a passionate team dedicated to building something that truly matters.
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Contact Detail:

Euphoric Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land Lead AI Engineer in City of London

✨Tip Number 1

Network like a pro! Reach out to people in the industry, attend meetups, and connect with potential colleagues on LinkedIn. You never know who might have the inside scoop on job openings or can put in a good word for you.

✨Tip Number 2

Show off your skills! Create a portfolio or GitHub repository showcasing your projects and contributions. This is your chance to demonstrate your expertise in AI systems and backend engineering, so make it shine!

✨Tip Number 3

Prepare for interviews by practising common technical questions and coding challenges. Brush up on your Python and AI concepts, and be ready to discuss how you've tackled complex problems in the past. Confidence is key!

✨Tip Number 4

Apply through our website! It’s the best way to ensure your application gets seen by the right people. Plus, it shows you're genuinely interested in joining our team at Euphoric and making a real impact.

We think you need these skills to ace Lead AI Engineer in City of London

Python
FastAPI
SQLAlchemy
Cloud Providers (GCP/AWS)
Foundation Models
LLMs
TensorFlow
PyTorch
Keras
Scikit-learn
Data Collection
Online Evaluation Metrics
React
TypeScript
Communication Skills

Some tips for your application 🫡

Show Your Passion: When you're writing your application, let your enthusiasm for AI and tech shine through! We want to see that you’re not just looking for a job, but that you genuinely care about making an impact in the employee benefits space.

Tailor Your Application: Make sure to customise your CV and cover letter to highlight your relevant experience. We love seeing how your skills align with our mission at Euphoric, so don’t be shy about showcasing your past projects and achievements!

Be Clear and Concise: Keep your application straightforward and to the point. We appreciate clarity, so avoid jargon and make it easy for us to understand your qualifications and what you can bring to the team.

Apply Through Our Website: Don’t forget to apply through our website! It’s the best way for us to receive your application and ensures you’re considered for the role. Plus, it shows you’re serious about joining our team!

How to prepare for a job interview at Euphoric

✨Know Your AI Stuff

Make sure you brush up on your knowledge of AI architectures and the specific technologies mentioned in the job description, like LLMs and RAG pipelines. Be ready to discuss how you've applied these in past projects and how they can be leveraged at Euphoric.

✨Showcase Your Engineering Skills

Prepare to talk about your experience with backend services, especially in Python and frameworks like FastAPI. Have examples ready that demonstrate your ability to build robust systems and how you've tackled challenges in production environments.

✨Be a Team Player

Euphoric values collaboration, so be prepared to discuss how you've worked in cross-functional teams. Share instances where you've mentored others or contributed to team success, highlighting your communication skills and team-oriented mindset.

✨Demonstrate Your Passion

Euphoric is looking for someone who takes their work seriously but not themselves. Show your enthusiasm for building impactful technology and be ready to share why you want to be part of a fast-paced, feedback-rich environment. Let your curiosity shine!

Lead AI Engineer in City of London
Euphoric
Location: City of London
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  • Lead AI Engineer in City of London

    City of London
    Full-Time
    107500 - 147500 ÂŁ / year (est.)
  • E

    Euphoric

    50-100
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