Principal Machine Learning Engineer

Almedia Inc.

Job Overview

Location

Berlin

Job Type

Full-time

Full Job Description

📋 Description

• As a Principal Machine Learning Engineer at Almedia Inc., you will take ownership of the hardest ML problems across the company's products and growth initiatives, driving technical direction and end-to-end delivery with minimal oversight in a high-impact, fast-growing environment.
• Day to day, you will design and own strategies for user reward schemes at scale, architect real-time personalisation systems for reward values, define methods to detect and diagnose underperforming campaigns, and apply advanced statistical and causal inference techniques to production ML systems while partnering with product and engineering leadership.
• Almedia is Europe’s #3 fastest-growing company in 2025 (FT1000), profitable from day one, and building the future of marketing by rewarding over 70 million users for engaging with advertisers’ products, offering a new way to acquire users for global brands.
• In this role, you will set the technical bar for ML across the organization, establish best practices, raise engineering quality, define where ML creates the most business value, and grow your influence by shaping how technical capability maps to strategic priorities while mentoring teams and driving innovation.

🎯 Requirements

• Strong track record of taking ambiguous, high-impact problems from first principles to production independently
• Deep expertise in statistics, causal inference, and experimentation at scale
• Mastery of Python and SQL, with extensive hands-on cloud and production systems experience
• History of setting technical direction and raising the bar for engineering teams
• Communication range to influence both engineers and senior business stakeholders

🏖️ Benefits

• Real impact and growth alongside a profitable startup from day one
• High-growth environment encouraging ownership and continuous improvement
• Generous bonus scheme valuing proactive and high-quality work

Skills & Technologies

Python

Senior

Onsite

Degree Required

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Almedia Inc.

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About Almedia Inc.

Almedia is a digital advertising company that develops technology and media solutions for brands seeking performance-driven campaigns. Its platform combines programmatic buying, data analytics, and proprietary optimization tools to deliver targeted display, video, and mobile inventory across North America. The company focuses on measurable outcomes, offering transparent reporting and audience insights to help advertisers maximize return on ad spend. Headquartered in Montreal, Almedia maintains direct publisher relationships and operates private marketplaces designed for mid-market and enterprise clients. Services include campaign management, creative production, and strategic consulting aligned with brand safety and viewability standards.

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