Senior Data Scientist

Engineering & Development Los Angeles, California


Internet Brands and WebMD are looking for a Data Scientist to join our Los Angeles based headquarters, and work on exciting personalization initiatives! The ideal candidate has a practical background in machine learning, with experience in natural language understanding, information retrieval, knowledge extraction, or deep learning. You will be helping to lead the machine learning effort, working with product engineers and data scientists in building content recommendation, personalization, and business intelligence models to enhance our customer experience and business intelligence capabilities.

- Selecting features, building and optimizing classifiers using machine learning techniques

- Data mining using state-of-the-art methods.
- Extending company’s data with third party sources of information when needed.
- Processing, cleansing, and verifying the integrity of data used for analysis.
- Doing ad-hoc analysis and presenting results in a clear manner.
- Apply machine learning, collaborative filtering, NLP, and deep learning methods to massive data sets.
- Collaborate with cross-functional agile teams of software engineers, domain experts, and others to build new product features for multiple business units.
- Collaborate with data scientists across a variety of businesses to prioritize and promote our machine learning efforts.

Skills and Qualifications:
- B.S., M.S. or PhD in Computer Science, Software Engineering, Information Science, Mathematics, Statistics, Electrical Engineering, Physics or related fields or equivalent experience.

- Excellent understanding of machine learning techniques and algorithms, such as k-NN, Naive Bayes, SVM, Decision Forests, etc.
- Experience with common data science toolkits, such as R, Scikit-learn, NumPy, Tensorflow.
- Strong knowledge in POS tagger, shallow and deep parser, feature scaling, dimensionality reduction & data compression techniques, TF-IDF, SVM, Ensemble models (Bagging, Boosting), model tuning using grid-search etc.
- 5+ years of software development experience in NLP development & or text analytics.
- 5+ years of experience implementing machine learning systems at scale in Python (preferred), Scala, or Java.
- You care about agile software processes, data-driven development, reliability, and responsible experimentation.
- You preferably have machine learning publications or work on open source to share with us.
-This role is based onsite at Internet Brands headquarters in El Segundo, CA

Excellence in at least one of these is highly desirable:
- Experience with data visualization tools, such as D3.js, GGplot, etc.

- Proficiency in using query languages such as SQL.
- Experience with NoSQL databases.
- Experience with data processing and storage frameworks like Hadoop, Spark, Kafka, etc.

About Internet Brands:

Headquartered in El Segundo, Calif., Internet Brands® is a fully integrated online media and software services organization focused on four high-value vertical categories: Health, Automotive, Legal, and Home/Travel. The company's award-winning consumer websites lead their categories and serve more than 250 million monthly visitors, while a full range of web presence offerings has established deep, long-term relationships with SMB and enterprise clients. Internet Brands' powerful, proprietary operating platform provides the flexibility and scalability to fuel the company's continued growth. Internet Brands is a portfolio company of KKR and Temasek. For more information, please visit

Internet Brands and its wholly-owned affiliates are an equal opportunity employer.