Description

Coefficient is hiring a full-time Data Scientist to build and deploy AI and machine learning solutions for government, startup, and other clients, while also contributing to internal products. The role requires Python, SQL, modern LLM application patterns, embeddings, vector databases, prompt engineering, model APIs, and production MLOps/LLMOps, along with strong agentic coding and communication skills. It is a UK-based hybrid role based in Central London, requiring travel to London for approximately 2–4 days per month, with an annual salary of £38,000 and no Skilled Worker visa sponsorship.

Required Skills

Python
SQL
LLM applications
Vector databases
Prompt engineering
MLOps
Agentic coding

Additional Information

Required Previous Experiences: Hands-on experience with at least one LLM application pattern, including RAG, fine-tuning, or LLM evaluation suites
Experience deploying models into production with versioning, monitoring, and iteration
Preferred Qualifications: Fluency in Python and SQL across the Python Open Data Science Stack
Excellent agentic coding skills with tools such as Claude Code, Cursor, and GitHub Copilot
Strong communication and knowledge-sharing skills

Benefits & perks

💸 **Co-working Spaces:** Regular co-working days at different locations in London with the team plus full access to the Hubble co-working network at all times to use a space near where you live.
🎓 **Learning and Professional Development:** Potential to improve skills through paid courses and subscriptions. We encourage all our team to engage with professional communities, we actively sponsor
🎟️ **Conference Budget:** £1000 per employee in year 1, rising to £2000 by year 3. This can help cover tickets, accommodation, and travel to attend relevant conferences.
👂 **Spill: **All-in-one mental health support programme with on-demand access to a variety of support. We cover 8 hours of therapy with a remote therapist for each team member every year, worth up to
🧠 **Headspace: **Paid membership to Headspace to encourage good daily mental practices.
📚 **10% Time:** 4 hours per week dedicated to improving skills or pursuing your own project.
💻 **Laptop & Peripherals:** Company-owned Apple laptop plus peripherals such as a monitor and keyboard, for making remote working both comfortable and safe.
💃 **Team Culture:** We have a fantastic small team who enjoy socials together - everything from guided walking tours to escape rooms to Bake Off experiences.
### 📋 What to expect from the hiring process:
We aim for a transparent, efficient, and enjoyable hiring process. Here is what you can expect:
Round 1: Application Screening
We review your application materials (CV, screening questions, and code samples) to assess the initial match.
Note: Your application must include answers to the screening questions and code samples to proceed beyond this stage.
Round 2: One-Way Video Interview (Non-Technical)
This is designed for us to get a better sense of your interests and personality outside of your technical skills.
Round 3: Practical Coding Exercise (1 hour)
You will be booked for a 1-hour slot to complete a coding test. This exercise is carefully designed to mirror the practical, real-world data tasks you can expect to do at Coefficient.
Round 4: Technical Interview (1 hour)
You will meet with a member of our Data Team for a deep dive into the technical skills required for the role. Expect a collaborative session, including **pair programming**, to see how you approach pr
Round 5: Final Conversation with the CEO
This is an opportunity to discuss your motivations, long-term career goals, and ensure a strong cultural alignment. We want to know that you'll be a great fit for our team, but we also want to help yo
### ⏱️ ⏱️ Our Commitment to You
Speed:** We are committed to moving quickly with this role, and you can expect **swift feedback** after each completed round.
Feedback Policy:** We are unfortunately unable to offer feedback before Round 2. Feedback for subsequent rounds will always be provided if requested.
Please ensure that emails from our hiring platform (Workable) are not being filtered into your spam/junk folder. We want to make sure you receive all correspondence promptly!
Due to a large volume of applications, we are unable to consider applicants without code samples and submitted screening questions.

About Coefficient

Coefficient

data consultancy85 Great Portland Street London United Kingdom1-10

Coefficient is a data consultancy offering data science, engineering, machine learning and other AI-related services as well as bespoke training courses.

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Data Scientist at Coefficient

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