Appodeal is a dynamic US-based product company with a truly global presence.

We have offices in Warsaw and Barcelona, along with remote team members located around the world.

Our company thrives on diversity, collaboration, and innovation, making us a leader in the mobile app monetization space.

Why Appodeal?

At Appodeal, we’re more than just a company—we’re a team united by a common mission: to enable creators to start and scale successful mobile app businesses.

We take pride in our cutting-edge product and our internationally dispersed team of talented professionals.

Here’s what we value, and what we hope you do too:

• Continuous Learning and Growth: We are passionate about learning, growing personally, and building rewarding careers.
• Making an Impact: We are committed to building a history-defining company that leaves a lasting impact on the mobile app industry.
• Solving Exciting Challenges: We tackle complex problems every day, supported by a team of world-class professionals and mentors.
• Enjoying the Journey: We believe in having fun while working toward our goals.

We are seeking a skilled Machine Learning Engineer to join our Vector team in Barcelona. You will be responsible for building, maintaining, and optimizing our data infrastructure, ensuring seamless data flow and accessibility for machine learning (ML), analytical, and business needs. You will collaborate with a team of top-tier professionals to drive ML initiatives and help shape the future of our product.

Key Responsibilities:

• Build and optimize ML pipelines, ensuring seamless data integration for machine learning applications.
• Collaborate with data engineers, MLOps teams, and data scientists to deploy ML models and scale them across the organization.
• Continuously evaluate and improve existing ML models and workflows to ensure they meet business objectives and performance criteria.
• Stay up-to-date with the latest advancements in machine learning and apply relevant methodologies to enhance the company’s capabilities.

Requirements:

• Proven experience as a Machine Learning Engineer or similar role for at least 3 years.
• Strong proficiency in Python and common ML libraries (e.g., TensorFlow, PyTorch, Scikit-learn).
• Experience with ML pipelines and data integration tools.
• Hands-on experience with data storage solutions such as AWS S3, data lakes, and data warehouses.
• Familiarity with data orchestration tools (e.g., Airflow, Dagster).
• Experience deploying and scaling ML models in production environments.
• Experience in building high-load systems.
• Experience with vector databases.
• Experience working on systems that enable highly efficient and high-performance operation of models in production.
• Basic knowledge of working with Rust.

Nice to Have:

• Experience with ML infrastructure platforms like Databricks.
• Experience working with projects written in Rust
• Experience working in cross-functional teams with data engineers and product managers.
• A strong background in statistics and data science.

With an outstanding product and a mission that excites and inspires, Appodeal offers a unique opportunity to make an impact while being part of an amazing team.

Join us and help shape the future of mobile app success!