Staff Engineer - Machine Learning & Pricing (AI)

TL;DR

Staff Engineer - Machine Learning & Pricing (AI): Designing, scaling, and optimizing systems that power pricing logic, machine learning models, and data-driven growth experiments with an accent on turning complex behavioral and market data into real-time, intelligent pricing systems. Focus on building and scaling dynamic pricing algorithms, deploying ML models for user value prediction, and developing experimentation frameworks for continuous optimization.

Location: On-site in Berlin, Germany. Requires 5 days a week in the office.

Salary: €105,000–€130,000

Company

hirify.global is a fast-growing tech startup focused on building the future of marketing by rewarding over 60 million users for engaging with advertiser products.

What you will do

• Lead the end-to-end design, development, and deployment of ML and pricing systems.
• Build and scale dynamic pricing algorithms that adapt to real-time user behavior and market signals.
• Design and deploy ML models that predict user value, engagement, and conversion probability.
• Develop experimentation frameworks for continuous testing and optimization of pricing strategies.
• Create high-performance data and ML pipelines integrated with backend services.
• Define technical direction and provide leadership across engineering and data science teams.

Requirements

• Proven experience designing and scaling ML-driven systems in production.
• Strong knowledge of Python, data processing, and system design.
• Experience with experimentation, dynamic pricing, or predictive modeling.
• Solid understanding of SQL and cloud environments (AWS or GCP).
• Experience collaborating across engineering, product, and data science functions.

Nice to have

• Hands-on experience with ML model training, deployment, and monitoring pipelines.
• Work on pricing, auction, or optimization systems at scale.
• Background in adtech, gaming, or performance marketing environments.
• Passion for data-driven decision making and automation.

Culture & Benefits

• Equity in hirify.global for all Berlin-based employees.
• Opportunity to grow with a profitable startup from day one.
• Central Berlin office, fully stocked and built for collaboration.
• Transport subsidy, breakfasts and lunches.
• Language learning, Urban Sports Club membership.
• Emphasis on talent fostering and clear growth paths.