Senior Software Engineer, Machine Learning
Appnexus Inc.
 New York, NY
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Position Description

Senior SoftwareEngineer,Machine LearningAppNexus’ mission is to build a better Internet. We develop a technology platform that powers the real-time sale and purchaseof digital advertising. Our platform is engineered to provide one of the fastest, most reliable, and massively scaled advertising systems in the industry. As a transparent and independent partner for some of the largest publishers and advertisers,AppNexushelps ensure that the Internet stays open and free. Over the past 3 years, we haveseen50% year-over-year growth in the number of creativesadded, and we currently manage over 90MM creatives. We are working on solutions to classify creatives with 99.9% accuracy usingpre-trainedimage feature extraction models and deep learning.

AppNexusis the enormous potential for personal and professional growth. You will be joining a small team that is only starting to scratch the surface on how we can leverage machine learning to enhance our offering.

About the job:

Develop infrastructure and tools toproductionizenewalgorithmsin a repeatable manner

Enhancecurrentcreative classifier to increase coverage while maintaining accuracy

Collaborate with Data Scientiststo prototype newalgorithmsand designexperimentsfor evaluation

Identify opportunities to apply machinelearningmethodologiesto solve new problems

Participate in design discussions about new features and approaches to implementing new services

About your skills:BA/BS degreeand 5+ yearsof experience OR MS/Ph.Ddegree and 3+ years of experience in software engineering (Degree in

Machine Learningor related field preferred)Experience building machine learning systems at scale

Experience with Pythonandscikit-learnpreferredExperience with Machine Learning APIs and libraries;KerasandTensor


Knowledge of databases preferred

More about you:You care about finding the right solutionsto problems.

Hiring Manager:

Mike CenRecruiter:Elcio Salgado