Senior Data Scientist

Almedia; Greater London; On-site; GBP 70,000 - 90,000; Full time

Job summary

A fast-growing tech startup in Greater London is seeking a Senior Data Scientist to improve their product and data capabilities. In this role, you will build and implement machine learning models, develop incentives and reward structures, and work closely with cross-functional teams to optimize user performance. The ideal candidate has experience in a product-focused environment, strong statistical knowledge, and proficiency in Python and SQL. Join a high-growth environment where your contributions will have a significant impact.

Benefits

Generous bonus scheme

High-growth environment

Opportunity for ownership of projects

Qualifications

• Experience building and deploying machine learning models in a product-focused environment.
• Strong statistical and modeling knowledge for experimentation and causal inference.
• Proficiency in Python and SQL, with experience on cloud platforms.

Responsibilities

• Build and implement machine learning models to personalize recommendations.
• Collaborate closely with product managers and engineers to integrate models.
• Support KPI definition to ensure meaningful impact of analyses.

Skills

Machine learning models

Statistical analysis

Python

SQL

Collaboration

Tools

GCP

DBT

Airflow

Kubernetes

Job description

This isn’t your regular job. Almedia is a place where those who want to push harder can accelerate their careers faster than anywhere else. We’re aiming to become Germany’s second bootstrapped unicorn. Almedia is already Europe’s #3 fastest-growing company in 2025 (FT1000).

We are building the future of marketing by rewarding our community of over 60 million users for engaging with our advertisers’ products. We are offering a new way to acquire users for the biggest companies in the world.

At Almedia you’ll:

• Own way more, way earlier — you’ll be trusted with responsibility fast.

• Push harder, get further — this isn’t a 9–5. We highly reward intensity.

• Join a rare environment — you will work with ambitious high-speed, high-ownership people.

• Fully present — we’re 5 days a week in the office to build the energising momentum we need.

Senior Data Scientist

We’re looking for a Senior Data Scientist to join our growing team in Berlin and help improve our product and data capabilities.

You’ll work hands-on with modelling and analytics to help the team understand user behaviour, optimise incentives, and build scalable, data-driven solutions.

What You’ll Work On

• Build and implement machine learning models that personalise recommendations and optimise user performance, engagement, and conversion

• Develop and optimise incentives and reward structures to motivate and retain users while improving in-app ROAS

• Collaborate with data analytics and engineering to improve data pipelines, visibility, and traceability

• Contribute to technical best practices including documentation, measurement plans, and experimentation frameworks

• Support KPI definition to ensure models, dashboards, and analyses have a clear purpose and measurable impact

Your Role

• Own individual projects and features from design to implementation

• Collaborate closely with product managers, engineers, and other data scientists to integrate models and insights

• Assist in refining architecture and processes to improve scalability and efficiency

• Participate in technical discussions and contribute ideas for optimisation

You Have

• Experience building and deploying machine learning models in a product-focused environment (Gaming, AdTech, or incentive-based systems preferred)

• Strong statistical and modelling knowledge for experimentation, uplift modelling, and causal inference

• Familiarity with modern data stacks and workflows (e.g., DBT, Airflow, Kubernetes)

• Proficiency in Python and SQL, with experience on cloud platforms (GCP preferred)

• Ability to collaborate effectively across teams and communicate technical concepts clearly

Bonus Points For

• Hands‑on experience with ML pipelines, model deployment, or adtech systems

• Exposure to payout, reward, or incentive systems

• Passion for gaming, data‑driven experimentation, and automation

Why Almedia?

• Scale With Almedia: Have a real impact and grow alongside a startup that has been profitable from day one.

• High‑Growth Environment: We encourage all staff to take ownership of projects and consistently raise the bar.

• Do More, Get More: Generous bonus scheme to ensure great, proactive work is valued.

We believe in fostering talent, evaluating all skill levels during the hiring process, and providing a clear path for growth. Almedia is an equal opportunity employer. We embrace and celebrate diversity, and encourage individuals from all backgrounds to apply.