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Data Scientist & Machine Learning Engineer

Boston, MA | Technology

Job Description

We find our people as innovative as we do our company.

Fun, smart & vibrant people make up ourXu (pronounced "zoo") team! Our collaborative, dynamic & high energy environment makes this the kind of place where people want to work. Our Xu team is looking for additional members:

Data Scientist & Machine Learning Engineer

DataXu is looking for a Data Scientist & Machine Learning Engineer to join the Optimization Group.  The role will be located in our Downtown Boston headquarters. DataXu 's system is a ground breaking media analytics and media buying automation system.

The role is a part of the Core Technology Group reporting to the CTO. The Engineer/Scientist will mine petabytes of media data and write analytical software to automatically build optimal media buying algorithms.   The right person for this role will enjoy diving into messy data, cleaning it up, finding powerful insights, presenting them in a compelling way, then writing robust code to automate this process.


Dive into data, clean it up, and pull out insights that can be used to improve system performance

Develop algorithms to improve DataXu’s media buying platform

Run live experiments to prototype the improvements and prove their efficacy 

Assist the development team with productization of successful algorithms

Provide expert consultative assistance to other teams in the company 

Contribute to the technical vision for DataXu


Masters or PhD Degree in Machine Learning , Operations Research, Applied Math, or similar field

Experience with diving into messy data, finding insights, and presenting them to people in a way it can be easily understood

Experience with TB size (or PB size) datasets a plus

Experience with markets, auctions and/or advertising a plus

Excellent understanding of algorithms and data structures for optimization

Strong problem solving and analytical skills

Experience with UNIX environments (Linux)

Experience with software development in Java a plus

Experience with analysis tools such as R, Matlab, Weka, or similar

About the Company:

Headquartered in Boston, MA, with offices throughout North America and Europe, DataXu (www.dataxu.com)( Voted Advertising Age’s 2011 #5 Best Place to Work & Named "Top Place to Work in 2011" by Boston Globe) is the only multi-channel digital marketing management (DMM) platform offering real time optimization for display, video, and mobile advertisers. With exceptional growth, DataXu is a private, venture backed company with the resources to make a big impact and the agility to lead revolutionary change in both technology and media.

DataXu is leading a revolution in advertising with the first and only machine learning-based Digital Marketing Management (DMM) platform: DX3, which makes impression-level decisions in real time, optimizing the creative, consumer and contextual ad choices to help brands acquire more customers for less money. We’re already recognized as a leader in the Forrester Research December 2011 report: "The Forrester Wave™: Demand-Side Platforms, Q4 2011," in which DataXu is recognized as a Leader with DX3 ranked as the #1 current offering. http://www.dataxu.com/news/press-releases/forrester-wave-report/

Beyond its technology, DataXu has developed a trusted reputation for expertly advising and servicing advertisers and media agencies trying to cross the chasm into a data-driven way of working.  DataXu is now expanding those relationships globally.

Benefit Highlights:

Medical & Dental Insurance – 100% company paid deductible

FSA (Medical, Dependent & Transportation care)

Onsite dry cleaning service

Company paid weekly catered lunches

Innovation Days

Generous Employee Referral Program

Monthly Employee Recognition Program

Free snacks and drinks

Friday socials



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