Senior Machine Learning Researcher

RTB House; Warszawa; On-site; PLN 252,951 - 379,426; Full time

Benefits offered by this job

Attractive salary

Flexible working conditions

Team of experienced enthusiasts

Access to the latest technologies

Job summary

A global marketing technology company is seeking an experienced Machine Learning Engineer to design deep neural network models predicting user behavior. The ideal candidate has over 4 years of experience, a strong programming background in Python or Java, and a passion for continual learning in Machine Learning. Flexible working conditions and access to the latest technologies are offered for optimizing algorithms that cater to large user bases.

Qualifications

• 4+ years of hands-on experience with Machine Learning or Data Science.
• Interest and willingness to constantly develop in the area of Machine Learning.
• Knowledge of statistics and probability.
• Proficiency in programming.

Responsibilities

• Design and implement deep neural network models to predict user behavior.
• Analyze the latest works in the field of Machine Learning.
• Conduct and analyze A/B tests of new solutions.
• Develop and test new approaches to modeling key bidding issues.

Skills

Machine Learning

Data Science

Programming Proficiency

Statistics

Interest in Machine Learning

Tools

Python

Java

Scala

PyTorch

NumPy

Pandas

Jupyter Notebooks

Job description

Company Overview

RTB House is a global company that provides state‑of‑the‑art marketing technologies for top brands and agencies worldwide. Its proprietary ad‑buying engine is the first in the world to be powered entirely by Deep Learning algorithms, enabling advertisers to generate outstanding results and reach their goals at every stage of the funnel. Founded in 2012 and operating in 90+ markets, RTB House embraces first‑party advertising and a relentless approach to innovation, offering end‑to‑end Deep Learning‑powered AdTech products to maximize conversion, drive new customer acquisition, create engagement, and fuel long‑term demand for a global client base.

Location

Poland

You Will

• Design and implement deep neural network models to predict the behavior and preferences of Internet users
• Analyze the latest works in the field of Machine Learning
• Conduct and analyze A/B tests of new solutions
• Develop and test new approaches to modeling key issues, such as bidding in first‑price auctions

Desired Experience

• 4+ years of hands‑on experience with Machine Learning or Data Science
• Interest and willingness to constantly develop in the area of Machine Learning
• Knowledge of statistics and probability
• Proficiency in programming

Selected Technologies Used

• Python, Java, Scala
• PyTorch, NumPy, Pandas
• Jupyter Notebooks

Additional Advantages Will Be

• Experience in the ML industry
• Experience in designing recommendation systems
• Practical knowledge of the tools we use

Sample Topics

• Implementation and analysis of new model architectures, such as convolutional networks and transformers
• Analyze the difference in the distribution of training and production data, estimate the scale of the problem, identify the best solution, and implement and deploy it
• Experiments with the use of transfer learning
• Develop a completely new approach to generating product recommendations that is free from proxy targets and uses a contrastive loss function

We Offer

• A very attractive salary
• Work in a team of enthusiasts with experience in machine learning who willingly share their knowledge and skills
• Extremely flexible cooperation conditions—work when it is convenient for you and devote as much time as you can; you can work fully remotely
• Access to the latest technologies and the possibility of real use of them in a large‑scale, highly dynamic project
• Possibility to use the knowledge and competences in practical applications—while optimizing algorithms supporting hundreds of millions of Internet users and monthly buyers of billions of advertising views in the RTB model, based on extensive data sets
• The effects of your work are immediately visible in the company's business results
• Possibility to publish your results

Apply now! You don't need to tick every box to apply. If you are passionate about digital marketing, send us your CV and we'll review it.