Data Scientist IV

Summary

Join OpenX as a Data Scientist and work with petabytes of data daily to build cutting-edge models and platforms. You will extract data, develop ML pipelines, construct novel models, and guide projects from inception to production. The ideal candidate has a creative mind, strong analytical skills, and experience with deep learning and optimization. OpenX offers a competitive salary, flexible working hours, remote work options, and various benefits. The role requires a Ph.D. or MS in a related field with relevant experience, fluency in SQL and Python, and strong communication skills. Preferred qualifications include experience with GCP and mentorship experience.

Requirements

• Ph.D. in Data Science, Machine Learning, Computer Science, Physics, Mathematics, Operations Research or related technical field with 4+ years of relevant experience, or MS with 7+ years of relevant experience
• Fluency in SQL and Python
• Extensive experience with a variety of modeling methodologies, including deep learning and other ML techniques beyond common regression, particularly in the context of tensorflow and its related applications / environment
• Strong track record of nurturing DS / ML projects to maturity with maximal business impact as well as supporting and improving those projects beyond deployment
• Mastery of probability and statistics, especially techniques that scale to massive datasets
• Strong communication and presentation skills — proficient in analysis and summarization of the key points of a data set or experiment result

Responsibilities

• Extracting data from terabyte-scale datasets and transforming it to compact representations which are amenable to use by a wide variety of models
• Developing and managing ML pipelines to predict and model key components and phenomena in our ad exchange, leveraging these to answer questions and improve performance
• Construction of novel model types and tuning existing models and their products to enhance functionality and drive new developmental features
• Guiding and developing DS / ML projects from inception to production-level deployment while reporting to stakeholders on progress and challenges
• Coordinating with other members of the team to deploy, manage, and synchronize the function of all ML models in production and development

Preferred Qualifications

• Experience working with a cloud platform like GCP / AWS / Azure, with emphasis on GCP and the Tensorflow / Vertex platform
• Familiarity with other programming languages such as Java and Golang
• Experience providing mentorship and guidance to more junior employees
• Experience working in digital media, marketing technology or advertising technology

Benefits

• Employment contract (24 437 - 27 300 PLN gross/monthly) OR B2B (190 - 213 PLN net/hourly)
• Working with the newest technologies such as Cloud Computing (GCP)
• Challenges at work that are difficult to find anywhere else!
• Solving important problems in a scale
• Joining a company that is growing and scaling
• Flexible working hours & remote work option
• Annual performance bonus
• Tax-deductible system due to copyright protection: 75%
• Private health care for you and your family (covered by OpenX)
• Private life and travel insurance (Covid insurance included)
• MultiKafeteria program
• Training: access to the LinkedIn learning platform and Tech workshops
• Holiday Allowance
• Pension scheme (PPK from PZU)
• Additional paid day off
• Free parking lot
• Access to peer to peer recognition platform
• Monthly work-from-home allowance and one-time payment when you join us to help you set up your home office
• We celebrate team members' important personal milestones (vouchers, gifts)