Data Scientist, Visual Analytics

| Chicago
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Company Description
Epsilon is the leader in outcome-based marketing. We enable marketing that's built on proof, not promises. Through Epsilon PeopleCloud, the marketing platform for personalizing consumer journeys with performance transparency, Epsilon helps marketers anticipate, activate and prove measurable business outcomes. Powered by CORE ID®, the most accurate and stable identity management platform representing 200+ million people, Epsilon's award-winning data and technology is rooted in privacy by design and underpinned by powerful AI. With more than 50 years of experience in personalization and performance working with the world's top brands, agencies and publishers, Epsilon is a trusted partner leading CRM, digital media, loyalty and email programs. Positioned at the core of Publicis Groupe, Epsilon is a global company with over 8,000 employees in over 40 offices around the world. For more information, visit epsilon.com. Follow us on Twitter at @EpsilonMktg.
Job Description
As a Data Scientist in our Decision Sciences Visualization team, you will create innovative visual analytics systems that reveal, explore and explain complex patterns and phenomena from Epsilon's peta-scale and massively-dimensional digital marketing ecosystem. You will reduce this complexity into sophisticated, interactive visual metaphors and stories that demonstrate the business value of Epsilon's platform directly to our stakeholders and global customers (which includes some of the world's largest brands). Our visualization challenges span hundreds of millions of highly detailed individual profiles across hundreds of millions of web sites and apps tied together by sophisticated real-time analytics that make near instantaneous decisions on messaging to those profiles trillions of times a day. This provides an incredibly rich environment of business questions and answers that are hidden within petabytes of data.
In this role, you will be a key member of a multi-disciplinary R&D team creating a full-stack visual analytics system that connects to big data platforms and machine learning systems to present complex enterprise-critical information in an engaging, intuitive and informative manner. This is a multi-faceted team effort involving an array of technologies such as Python, PySpark, Scala, SQL, Hadoop/HDFS, Elastic Search, GPU clusters, D3.js, Reactjs and more. We are looking for strong candidates with extensive experience in clustering, dimensionality reduction and machine learning (particularly unsupervised techniques) on large scale computing clusters, and who are driven by the desire to see those results translated into actionable insights.
Responsibilities
  • Develop an understanding of Epsilon's Digital Media Services (DMS) personalization platform and proprietary datasets
  • Work closely with internal and external stakeholders and data providers to support data ingestion, insights, aggregations and trending projects
  • Manage data logistics including data transfers, understanding data structures, business rules, and beyond to enable project execution
  • Design, implement and validate your solutions in using SQL/HiveQL, Scala, Spark or Python, PySpark on a large state-of-the-art cluster; in some cases, the solutions may be based on GPU-computation or Elastic Search platforms as well
  • Work with our Engineering teams to develop and integrate your solutions into Epsilon's DMS platform
  • Participate fully in our collaborative approach to research and applications projects
  • Be a supportive and positive contributor in a highly collaborative, multi-disciplinary R&D team with shared and overlapping responsibilities, all in support of a strong mission with purpose and proven results

Qualifications
  • Master's degree in Computer Science, Data Science, Statistics, Engineering, Mathematics or a related scientific discipline
  • 2+ years of relevant industrial experience
  • 2+ years of hands-on industry use in SQL or HiveQL
  • Extensive experience with Spark, Scala or Python on large-data platforms such as Hadoop, HDFS, AWS
  • Desire to work in a highly collaborative environment with team members having a broad set of skills including data engineering, full stack systems, data science, data visualization, UI, and UX

Additional, But Not Required Skills
  • Experience with data engineering at scale in a production environment
  • Experience with real-time compute systems for data query and algorithms such as Elastic Search and GPU clusters
  • Experience with machine learning techniques (supervised and unsupervised) as well as feature engineering
  • Experience with TensorFlow, CUDA or other systems for GPU-accelerated processing
  • Experience with Docker for deploying data applications via containers
  • Experience with aspects of full stack development

Qualifications
Additional Information
Great People, Deserve Great Benefits
We know that we have some of the brightest and most talented associates in the world, and we believe in rewarding them accordingly. If you work here, expect competitive pay, comprehensive health coverage, and endless opportunities to advance your career.
Epsilon is an Equal Opportunity Employer. Epsilon's policy is not to discriminate against any applicant or employee based on actual or perceived race, age, sex or gender (including pregnancy), marital status, national origin, ancestry, citizenship status, mental or physical disability, religion, creed, color, sexual orientation, gender identity or expression (including transgender status), veteran status, genetic information, or any other characteristic protected by applicable federal, state or local law. Epsilon also prohibits harassment of applicants and employees based on any of these protected categories.
Epsilon will provide accommodations to applicants needing accommodations to complete the application process.
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Technology we use

  • Engineering
    • C#Languages
    • C++Languages
    • JavaLanguages
    • JavascriptLanguages
    • PerlLanguages
    • PHPLanguages
    • PythonLanguages
    • RLanguages
    • ScalaLanguages
    • SqlLanguages
    • MapRLanguages
    • D3JSLibraries
    • jQueryLibraries
    • ReactLibraries
    • Juptyer NotebookLibraries
    • AngularJSFrameworks
    • Backbone.jsFrameworks
    • CakePHPFrameworks
    • Ember.jsFrameworks
    • HadoopFrameworks
    • LaravelFrameworks
    • Node.jsFrameworks
    • SparkFrameworks
    • TensorFlowFrameworks
    • HbaseFrameworks
    • Kafka Frameworks
    • StormFrameworks
    • CassandraDatabases
    • HBaseDatabases
    • HiveDatabases
    • Microsoft SQL ServerDatabases
    • MySQLDatabases
    • OracleDatabases
    • PostgreSQLDatabases
    • GreenplumDatabases
    • NoSQLDatabases

Location

101 N Wacker Drive, Chicago, IL 60606

An Insider's view of Epsilon

What's something quirky about your company?

We have a company band, made up of anywhere from 30 to 40 employees at a given time. The band has a large following and performs at charity events around Chicago. They also perform a full set at Epsilon’s holiday party each year at the House of Blues. My jaw hit the floor when I saw my peers up on stage rocking out.

Paul

Associate Automation & Infrastructure Engineer

How do you collaborate with other teams in the company?

We collaborate through storytelling. It’s not ‘how’ we build it, but rather ‘why’ we build it. We need to tell stakeholders a story about a consumer pain point, solving it in a differentiated manner and the larger vision. Then, collaboration occurs as we incorporate feedback and have a motivated team building towards a shared vision.

Matt

VP, Product Management:

How would you describe the company’s work-life balance?

Conversant has a very good work-life balance, including unlimited PTO. As a young adult, traveling around the world is one my top priorities and working with a company that aligns with that is a huge plus. I have had the flexibility to visit 7 countries. That flexibility is one of many things that has kept me at Conversant for five years.

Alba

Team Lead, Engineering

What are Epsilon Perks + Benefits

Epsilon Benefits Overview

At Epsilon, we offer benefits and perks that enable our associates to thrive and foster a culture of innovation.

Culture
Volunteer in local community
Epsilon participates in local community activities such as the Greater Chicago Food Depository, Off the Street Club, Chicago Cares Serve-A-Thon, Habitat for Humanity and Ronald McDonald House.
Partners with Nonprofits
Friends outside of work
Eat lunch together
Intracompany committees
Epsilon has a Social Committee that organizes social, charitable and sports activities.
Daily sync
Open door policy
Group brainstorming sessions
Open office floor plan
Diversity
Dedicated Diversity/Inclusion Staff
Unconscious bias training
Health Insurance & Wellness Benefits
Flexible Spending Account (FSA)
Disability Insurance
Dental Benefits
Vision Benefits
Health Insurance Benefits
Life Insurance
Pet Insurance
Wellness Programs
Onsite Gym
Team workouts
Epsilon team fitness initiatives include intramural softball, volleyball and soccer.
Retirement & Stock Options Benefits
401(K)
401(K) Matching
Performance Bonus
Match charitable contributions
Child Care & Parental Leave Benefits
Child Care Benefits
Epsilon provides back-up care benefits.
Remote Work Program
Family Medical Leave
Adoption Assistance
Vacation & Time Off Benefits
Unlimited Vacation Policy
Generous PTO
Paid Volunteer Time
Paid Holidays
Paid Sick Days
Perks & Discounts
Beer on Tap
Casual Dress
Commuter Benefits
Company Outings
Epsilon hosts an annual summer boat party on Lake Michigan and a holiday party at the House of Blues, where our employee-run band performs the live entertainment all night.
Game Room
Happy Hours
Happy hours are hosted at team's discretion.
Parking
Recreational Clubs
Fitness Subsidies
Professional Development Benefits
Job Training & Conferences
Epsilon offers employees professional development opportunities like on-site training courses and the ability to attend job-related conferences and seminars.
Tuition Reimbursement
Lunch and learns
Epsilon hosts lunch and learn meetings on occasion.
Promote from within
Mentorship program
Our mentorship program includes 1-to-1 program and career mentoring.
Time allotted for learning
Epsilon encourages employees to complete 48 hours of professional development training per year.
Online course subscriptions available
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