Senior Data Scientist | London, UK

SGI; London; Hybrid; GBP 150,000 - 200,000; Full time

Job summary

A recruiting firm in London is seeking a Senior Data Scientist for a hybrid role focused on AdTech and gaming. You'll develop ML models to optimize user acquisition and drive better business outcomes. The ideal candidate has over 5 years of experience in data science, strong Python and SQL skills, and a proactive attitude. The position offers competitive salary and equity in a well-funded startup environment.

Benefits

Flexible hybrid working

Strong equity offering

Qualifications

• 5+ years in data science or ML roles, ideally within AdTech or gaming.
• Experience with time-series modelling, UA data, or predictive analytics.
• A creative, proactive mindset with a commercial eye for data-driven outcomes.

Responsibilities

• Develop ML models for LTV prediction and user acquisition optimisation.
• Lead modelling initiatives from design to deployment.
• Partner with teams to deliver measurable impact.

Skills

Strong coding skills in Python

Experience with SQL

Knowledge of modern ML libraries (XGBoost, PyTorch)

Experience in data science or ML roles

Job description

Senior Data Scientist – AdTech and/or Gaming | London (Hybrid)

Competitive salary+ Equity
London HQ | Hybrid (2–3 days/month in office)
High-growth startup | Backed by Tier-1 VCs

We’re hiring a Senior Data Scientist for a high-impact role at the intersection of AdTech and gaming. This is a rare chance to join a team solving billions in wasted UA spend with investment-grade ML models and petabyte-scale data.
Whether your background is in programmatic advertising, mobile user acquisition, or gaming analytics, you’ll be building the models that drive smarter spend, deeper insights, and better business outcomes.

What You’ll Do:

• Develop ML models for LTV prediction, user acquisition optimisation, and forecasting.
• Lead modelling initiatives from design to deployment.
• Work on real-world problems in AdTech, mobile gaming, or both.
• Explore new data sources and signals to improve model performance.
• Partner with engineers, PMs and commercial teams to deliver measurable impact.

You’ll Need:

• 5+ years in data science or ML roles, ideally within AdTech or gaming.
• Strong coding skills in Python, SQL, and modern ML libraries (XGBoost, PyTorch, etc.).
• Experience with time-series modelling, UA data, or predictive analytics.
• A creative, proactive mindset and a commercial eye for how data drives outcomes.
• Bonus: Experience in mobile games, DSPs, RTB, or performance marketing analytics.

Why Apply?

• Tackle real, large-scale problems in AdTech/gaming with ML that matters.
• Join a well-funded, low-ego startup with tier-1 investors and proven leadership.
• Shape the future of data-driven decision making in digital media.
• Flexible hybrid working and strong equity offering.

Interested in learning more?

Let’s talk. Or send someone my way who fits the bill!

contact: [e-mail]

#DataScience #AdTech #Gaming #MachineLearning #Hiring #Startups #LTV #UserAcquisition #Programmatic #LondonTech

SGI, founded in 2015, is an International Recruitment business specialising in Technology Recruitment. We operate across Europe in the UK, Nordics, Be...

Boost your career

Boost your career

Find thousands of job opportunities by signing up to eFinancialCareers today.