What are the responsibilities and job description for the Marketing Data Scientist II position at CJ?
Company Description
Welcome to Our World
We’ve been leading the charge in the affiliate industry from day one—establishing performance marketing and paving the way for future innovations. We're known for maintaining one of the largest, most reliable partnership platforms with impeccable, personalized service.
Founded in Santa Barbara, California in 1998, CJ (formerly Commission Junction) stands as the most trusted name in performance marketing. We specialize in building partnerships between top brands and reputable publishers to drive revenue and business growth. CJ’s industry-leading solutions make us the platform of choice for over 3,800 global brands across sectors like retail, travel, finance, technology, and home services. As part of Publicis Groupe, our savvy data capabilities, cutting-edge tech, and strategic expertise facilitate genuine connections, allowing brands to reach consumers wherever they are.
A Quick Peek at Affiliate Marketing
Think back to your last online purchase. Did an influencer tip you off about a great product and offer a discount? Or perhaps you relied on a trusted review site to make your decision? Whatever path you took, affiliate publishers likely played a role by influencing, informing, or helping you find the best deal. CJ connects brands with these publishers, creating valuable resources for shoppers like you.
Overview
In this Data Scientist II role at CJ, you will build and scale data science, AI, and analytics solutions that drive smarter marketing decisions and power innovation across the business. You will work at the intersection of machine learning, data engineering, and analytics, developing production-ready models, data pipelines, and data products that support areas such as LLM visibility, conversational analytics, and next-generation marketing intelligence.
You will partner closely with Data Science, Engineering, and Product teams to design and deliver scalable solutions, including recommendation systems, AI-driven applications, and modern data workflows. This role is ideal for someone who enjoys solving complex problems, working with large-scale data, and building solutions that are used across both internal teams and client-facing applications.
Responsibilities
What you will do:
What we look for:
This is a hybrid role requiring 3 days a week in Atlanta or Chicago
You must be work authorized in the United States without the need for employer sponsorship.
CJ is the leader in Performance Marketing. We take pride in our innovative technology, comprehensive data solutions and our people. We equip our teams with advanced tools, training and career development opportunities all to provide modern solutions, strategies and support to deliver high quality results for our clients. We work in an enthusiastic, collaborative team setting that values outstanding performance.
We're a community of creative and passionate problem solvers who go the distance to tackle the tough questions, think creatively, and drive resourceful growth, for our clients—and ourselves. We foster and embody an inclusive and collaborative culture where diverse perspectives are sought, relationships are valued, and people feel accepted with a sense of belonging in expressing themselves authentically. We pride ourselves in having a workplace environment that values both work and play.
Why Our Workplace Stands Out
Apart from offering competitive salaries, 401K matching, wellness programs, and comprehensive medical, dental, and vision coverage, we provide:
If you require accommodation or assistance with the application or onboarding process specifically, please contact USMSTACompliance@publicis.com.
Compensation Range: $88,540.00 - $127,155.00 Annually. This is the pay range the Company believes it will pay for this position at the time of this posting. Consistent with applicable law, compensation will be determined based on the skills, qualifications, and experience of the applicant along with the requirements of the position, and the Company reserves the right to modify this pay range at any time. Temporary roles may be eligible to participate in our freelancer/temporary employee medical plan through a third-party benefits administration system once certain criteria have been met. Temporary roles may also qualify for participation in our 401(k) plan after eligibility criteria have been met. For regular roles, the Company will offer medical coverage, dental, vision, disability, 401k, and paid time off. The Company anticipates the application deadline for this job posting will be 5/8/26.
All your information will be kept confidential according to EEO guidelines.
Welcome to Our World
We’ve been leading the charge in the affiliate industry from day one—establishing performance marketing and paving the way for future innovations. We're known for maintaining one of the largest, most reliable partnership platforms with impeccable, personalized service.
Founded in Santa Barbara, California in 1998, CJ (formerly Commission Junction) stands as the most trusted name in performance marketing. We specialize in building partnerships between top brands and reputable publishers to drive revenue and business growth. CJ’s industry-leading solutions make us the platform of choice for over 3,800 global brands across sectors like retail, travel, finance, technology, and home services. As part of Publicis Groupe, our savvy data capabilities, cutting-edge tech, and strategic expertise facilitate genuine connections, allowing brands to reach consumers wherever they are.
A Quick Peek at Affiliate Marketing
Think back to your last online purchase. Did an influencer tip you off about a great product and offer a discount? Or perhaps you relied on a trusted review site to make your decision? Whatever path you took, affiliate publishers likely played a role by influencing, informing, or helping you find the best deal. CJ connects brands with these publishers, creating valuable resources for shoppers like you.
Overview
In this Data Scientist II role at CJ, you will build and scale data science, AI, and analytics solutions that drive smarter marketing decisions and power innovation across the business. You will work at the intersection of machine learning, data engineering, and analytics, developing production-ready models, data pipelines, and data products that support areas such as LLM visibility, conversational analytics, and next-generation marketing intelligence.
You will partner closely with Data Science, Engineering, and Product teams to design and deliver scalable solutions, including recommendation systems, AI-driven applications, and modern data workflows. This role is ideal for someone who enjoys solving complex problems, working with large-scale data, and building solutions that are used across both internal teams and client-facing applications.
Responsibilities
What you will do:
- Own end-to-end data science projects, including scoping, data exploration, modeling, validation, and delivery of insights
- Analyze large-scale e-commerce and advertising datasets to find opportunities and support growth strategies
- Develop and maintain machine learning models, including recommendation systems, with a focus on performance and scalability
- Build and support conversational analytics solutions using modern AI and foundational models
- Design and implement scalable data pipelines and workflows in a cloud-based environment
- Create Tableau dashboards and BI-driven chatbot or agent solutions that translate complex analysis into clear, actionable insights
- Collaborate with cross-functional teams to deliver scalable data and AI solutions
- Communicate technical findings and recommendations to both technical and non-technical collaborators
What we look for:
- 3 to 5 years of experience in data science, analytics, or a related field
- Hands-on experience with Python, PySpark or Scala, and Tableau or Power BI
- Experience using GitLab or GitHub for version control and collaborative development
- Experience working with cloud-based data platforms such as Databricks or Snowflake
- Experience in AdTech or MarTech, ideally within e-commerce, travel, or finance
- Proven ability to build scalable data solutions and deliver actionable insights
- Experience working with or building AI-driven solutions, including LLM-based applications
- Familiarity with machine learning techniques such as recommendation systems, clustering, or reinforcement learning
- Strong communication skills with the ability to clearly explain technical concepts to a range of stakeholders
- Experience integrating LLMs into business workflows or building conversational analytics solutions
- Experience developing APIs or services using tools such as FastAPI
- Experience with medallion architecture for ETL/ELT workflows
This is a hybrid role requiring 3 days a week in Atlanta or Chicago
You must be work authorized in the United States without the need for employer sponsorship.
CJ is the leader in Performance Marketing. We take pride in our innovative technology, comprehensive data solutions and our people. We equip our teams with advanced tools, training and career development opportunities all to provide modern solutions, strategies and support to deliver high quality results for our clients. We work in an enthusiastic, collaborative team setting that values outstanding performance.
We're a community of creative and passionate problem solvers who go the distance to tackle the tough questions, think creatively, and drive resourceful growth, for our clients—and ourselves. We foster and embody an inclusive and collaborative culture where diverse perspectives are sought, relationships are valued, and people feel accepted with a sense of belonging in expressing themselves authentically. We pride ourselves in having a workplace environment that values both work and play.
Why Our Workplace Stands Out
Apart from offering competitive salaries, 401K matching, wellness programs, and comprehensive medical, dental, and vision coverage, we provide:
- Flexible time off without the hassle of accrual
- A generous number of paid holidays
- Company-sponsored team-building events
- An Employee Referral Program
- Annual recognition awards
- Hybrid work arrangements for optimal work-life balance
- Parental bonding leave
- Backup care options for children and elders
- An employee discount program
- International SOS program for global support
- Business Resource Groups, where employees connect over shared interests to cultivate an engaging, inclusive environment
If you require accommodation or assistance with the application or onboarding process specifically, please contact USMSTACompliance@publicis.com.
Compensation Range: $88,540.00 - $127,155.00 Annually. This is the pay range the Company believes it will pay for this position at the time of this posting. Consistent with applicable law, compensation will be determined based on the skills, qualifications, and experience of the applicant along with the requirements of the position, and the Company reserves the right to modify this pay range at any time. Temporary roles may be eligible to participate in our freelancer/temporary employee medical plan through a third-party benefits administration system once certain criteria have been met. Temporary roles may also qualify for participation in our 401(k) plan after eligibility criteria have been met. For regular roles, the Company will offer medical coverage, dental, vision, disability, 401k, and paid time off. The Company anticipates the application deadline for this job posting will be 5/8/26.
All your information will be kept confidential according to EEO guidelines.
Salary : $88,540 - $127,155