Role Overview

This role is responsible for executing on the account and office-level vision and priorities within the organization.

The main output of this role is to own Marketing Science deliverables across a broad range of initiatives.

Career development is typically provided by Marketing Science Leads, but may be adapted depending on the account or office location.

The nature of the role is that of a learner, expected to develop an intermediate understanding of Marketing Science while owning project contributions for client-facing deliverables.

Core Responsibilities

Analytical & Technical Expertise

2-3 years of demonstrated experience with at least two of the following areas:

• Testing and optimization

• Statistics

• Data visualization

• Tagging

• Reporting

Communication & Insight Delivery

• Ability to communicate complex analysis clearly and effectively in an easy-to-understand manner.

• Ability to communicate effectively with day-to-day clients.

• Ability to compose client communications with clear grammar and structure.

Collaboration & Commercial Awareness

• Ability to support colleagues in selling analytics work.

• Ability to manage multiple deliverables simultaneously and transition efficiently between them.

Presentation & Stakeholder Engagement

• Ability to present low to mid-complexity projects confidently to internal stakeholders.

Marketing & Media Knowledge

Understanding of the following concepts (as relevant to the role):

• Main forms of digital marketing and how they differ

• How traditional advertising is planned and executed

• Different types of media channels

• Principles of Search Engine Marketing (SEM)

• How CRM activities are planned and executed

• How market research can enhance analytics work

Skills

Soft Skills

• Curiosity

• Critical thinking

Hard Skills

• Proficient understanding of:

  • Adobe Analytics

  • Google Analytics

  • Media tools

• Basic ability to navigate technical or analytical challenges.

• Intermediate knowledge and working experience with agency technology platforms.

Key Activities

• Solve well-defined analytical problems with guidance.

• Work closely with and mentor Associate Analysts.

• Assist in the ideation, development, and execution of measurement strategies and frameworks.

What We Offer:

• • Maternity and parental leave extra days
  • Competitive benefits packages
  • Vacation, compassionate leave, sick days, and flex days
  • Access to online services for families and new parents
  • Diversity and Inclusion Board with 12 affinity groups
  • Internal learning and development programs
  • Enterprise-wide employee discounts
  • And more…

Role Overview

This role is responsible for leading the execution of the account and office-level vision and priorities within the organization.

The main output of the role is to deliver Marketing Science projects, deliverables, and related work to clients across a broad range of initiatives.

Career development is typically provided by Marketing Science Directors or Senior Directors, but may be adapted depending on the account or office location.

The nature of the role is that of a leader, expected to understand Marketing Science at an advanced level and lead project contributions for client-facing deliverables.

Core Responsibilities

Leadership & Problem Solving

• Identify, build, and lead teams to solve complex business and analytical problems.

• Provide leadership over project delivery and ownership requirements.

• Manage both Analysts’ deliverables and your own deliverables, ensuring that the Marketing Science Associate Director or Director maintains visibility into project progress.

Marketing Science Expertise

5-8 years of experience with at least two and deep understanding of at least four of the following areas:

• Data architecture (ETL / data integration)

• Automated data ingestion and reporting

• Data science and statistical programming

• Testing and personalization

• Data visualization

• Website platform implementation

Data Storytelling & Insights

• Excel in data storytelling.

• Guide junior team members in translating findings into clear and actionable insights for clients and stakeholders.

Business Development

• Participate in business development activities, including:

  • Shaping analytics content

  • Recommending methodologies and technologies

  • Estimating level of effort

  • Supporting appropriate resource allocation

Communication & Presentation

• Provide feedback and refinement for presentations.

• Deliver high-level presentations to both internal and external stakeholders.

Skills

Soft Skills

• Strong interpersonal and team-building skills.

• Ability to foster a cohesive and effective work environment.

• Proactively check in and report on team members’ needs.

• Ability to refine communication to meet client expectations and business objectives.

• Strong capability to communicate effectively with senior clients and stakeholders.

Hard Skills

• Advanced understanding of:

  • Adobe Analytics

  • Google Analytics

  • Media tools

• Ability to navigate technical and analytical challenges.

• Advanced knowledge and practical experience with agency technology platforms.

Key Activities

• Provide work and team leadership across projects.

• Ensure project delivery standards and ownership are maintained.

• Lead the ideation, development, and execution of measurement strategies and frameworks.

• Provide career development guidance, leadership, and support to Analysts and Analyst teams.

• Support Marketing Science Directors and Senior Directors in scoping Marketing Science staffing and team management needs.

What We Offer:

• Maternity and parental leave extra days
• Competitive benefits packages
• Vacation, compassionate leave, sick days, and flex days
• Access to online services for families and new parents
• Diversity and Inclusion Board with 12 affinity groups
• Internal learning and development programs
• Enterprise-wide employee discounts
• And more…

Marketing Science Analyst (Test & Learn)

San Jose, Costa Rica

As a Marketing Science Analyst, your curiosity never ends. The next question is always on your mind, helping you to understand how marketing science fits in the big picture of a project. You bring in 1 to 3 years of experience, owning marketing science deliverables across a broad range of initiatives, with a strong focus on in-market testing and evaluation. You understand the nature and purpose of the main Digital marketing channels, enjoy collaborating with others, and are able to communicate clearly and effectively.

 You will:

• Support the design and execution of Test & Learn programs, including hypothesis development, experimental design, test setup, and statistical evaluation of results.
• Assist in the ideation, development, and execution of measurement frameworks, including recommendations on experiment type (A/B/n, matched control, pre/post, geolocation, and incrementality studies).
• Translate complex test results into clear and actionable insights through storytelling and data visualization.
• Gather marketing data across paid and owned channels to analyze campaign performances, understand user behaviors, and report findings.
• Collaborate with internal teams and partner agencies to deliver cohesive, insight-driven recommendations to internal stakeholders and clients.
• Occasionally support senior colleagues with analytics material for new business pitches and request for proposals.
• Build and maintain reusable analysis templates and code (SQL, R, or Python) to streamline and scale measurement.

You have:

• Top-notch communication and collaboration skills.
• Strong attention to detail and comfort managing complex, fast-moving testing programs.
• Hands-on experience with common digital testing scenarios (e.g., creative tests, audience/targeting tests, budget allocation tests, or landing page tests) OR formal education including coursework in experimental design and statistical evaluation (e.g., identifying groups, controlling variables, calculating statistical significance).
• Familiarity with statistical analysis techniques and quantitative methods.
• Comfort working with imperfect, observational data and applying appropriate techniques for bias reduction to derive credible directional insights.
• Strong understanding of digital media channels (e.g.: Social, SEM, SEO, OLV, etc.) including how each one works and how they interact with one another.
• Ability to efficiently manage multiple projects at the same time, proactively communicating needs, roadblocks, and statuses to the necessary people.

What We Offer:

• Maternity and parental leave extra days
• Competitive benefits packages
• Vacation, compassionate leave, sick days, and flex days
• Access to online services for families and new parents
• Diversity and Inclusion Board with 12 affinity groups
• Internal learning and development programs
• Enterprise-wide employee discounts
• And more…

At Critical Mass, we value our employees and offer competitive compensation and benefits packages.  If you’re looking for a challenging and rewarding opportunity to make a significant impact on the lives of our employees, we encourage you to apply for this exciting position today!

The Talent Team at Critical Mass is focused on ensuring we provide the best training, onboarding, and employee experience possible! Our new hires & employees are the future of our organization, and we want to set you up for long-term success. In an effort to do so, we expect our team to work from an office a minimum of 3 days a week.

The ask stems from our want to:

Strengthen opportunity for continuous learning
Improve collaboration and team relationships.
Increase employee engagement

This work model balances the need for individual flexibility while maintaining the relentless customer focus we provide at CM. We understand that not everyone may feel comfortable with this expectation, so we ask that you please let us know immediately if there are any concerns so we can help navigate accordingly.

What We Offer:

• Global maternity and parental leave  

• Work-life balance 

• Competitive benefits packages  

• Vacation, compassionate leave, wellness days, and flex days  

• Access to online services for families and new parents 

• Diversity and Inclusion Board with 13 affinity groups  

• Internal learning and development programs  

• Asociación Solidarista - You can join voluntarily 

“The Talent Team at Critical Mass is focused on ensuring we provide the best training, onboarding, and employee experience possible!  Our new hires & employees are the future of our organization, and we want to set you up for long-term success.  In an effort to do so, we expect our team to work from an office a minimum of 3 days a week. 

As a Marketing Science Senior Analyst, you will co-lead the design and execution of measurement strategies, advanced analytics, and content intelligence programs that drive media performance in B2B environments.  

You will partner with stakeholders to translate business objectives into KPIs, build scalable frameworks, and deliver actionable insights that optimize campaigns across creation and progression. Your expertise in data science, reporting, and testing ensures that marketing investments are measurable, transparent, and continuously optimized.  

You will: 

Measurement Strategy  

• Build and maintain measurement frameworks mapping campaign objectives to KPIs.  

• Assess current measurement approaches and recommend updates aligned with media plans.  

• Establish baselines using historical data and ensure governance protocols are documented.  

• Share updated frameworks with stakeholders to inform insights, learnings, and optimizations.  

Content Intelligence & Insights 

• Deliver regular insights and optimization recommendations (monthly cadence).  

• Support Quarterly Business Reviews with reporting and analysis.  

• Provide creative and media optimization recommendations.  

• Develop recap deliverables for prioritized campaigns and key moments.  

Advanced Analytics  

• Conduct analyses aligned to the Learning Agenda (e.g., forecasting, correlation studies, brand sentiment, ad- fatigue).  

• Build descriptive and inferential statistical models to evaluate campaign effectiveness.  

• Develop machine learning models for personalization, lead scoring, and progression analysis.  

Learning Program  

• Design and scale a structured Learning Agenda across media activities.  

• Build testing frameworks (A/B/M/V) and deliver test readouts.  

• Document best practices and maintain a centralized Learning Library dashboard.  

Data & Dashboards  

• Build and manage unified data foundations integrating campaign, programmatic, partner, and brand study data.  

• Establish anomaly detection mechanisms and QA processes.  

• Design and maintain dashboards (campaign performance, programmatic/social, partner data, brand studies).  

• Ensure taxonomy alignment across data sources and reporting views.  

Tagging, Trafficking & Taxonomy  

• Consult on tagging, trafficking, and UTM requirements to ensure measurement consistency.  

• Generate and manage Creative IDs (CID) database.  

• Support QA processes and flag trafficking issues based on anomaly detection.  

Collaboration & Leadership  

• Provide direction to associate analysts and analysts.  

• Contribute analytics content for proposals, pitches, and thought leadership initiatives.  

• Partner with stakeholders to align measurement, insights, and optimization priorities.  

You have: 

• B.S. degree in a quantitative or technical field (Economics, Mathematics, Computer Science, Business, etc.)  

• 3–5 years of experience leading analytics deliverables in media marketing science, ideally within B2B contexts.  

• Expertise in analytics platforms (Adobe Analytics, Adobe Experience Platform, Google Analytics, enterprise analytics tools, tag management systems).  

• Strong proficiency in Python, R, SQL, or other statistical programming languages.  

• Experience with ETL/data integration, automated reporting pipelines, and anomaly detection.  

• Skilled in data visualization platforms (Tableau, PowerBI).  

• Familiarity with machine learning techniques applied to media performance and personalization.  

• Experience analyzing B2B digital channels (paid search, display, CRM-driven campaigns, ABM (Account based marketing) platforms.  

• Understanding SEM, CRM, and account-based marketing integration within broader media strategies.  

• Knowledge of market research techniques and their application to media optimization.  

This role ensures that media marketing science is directly tied to business outcomes. By building robust measurement frameworks, delivering content intelligence, and driving advanced analytics, you will empower enterprise clients to optimize campaigns, enhance customer experiences, and achieve measurable growth in B2B markets.  

What We Offer:   

• Global maternity and parental leave   
• Work-life balance  
• Competitive benefits packages   
• Vacation, compassionate leave, wellness days, and flex days   
• Access to online services for families and new parents  
• Diversity and Inclusion Board with 13 affinity groups   
• Internal learning and development programs   
• Asociación Solidarista - You can join voluntarily 

“The Talent Team at Critical Mass is focused on ensuring we provide the best training, onboarding, and employee experience possible!  Our new hires & employees are the future of our organization, and we want to set you up for long-term success.  In an effort to do so, we expect our team to work from an office a minimum of 3 days a week.  The ask stems from our want to:  

Strengthen opportunity for continuous learning

Improve collaboration and team relationships.  

Increase employee engagement  

We understand that not everyone may feel comfortable with this expectation, so we ask that you please let us know immediately if there are any concerns so we can help navigate accordingly.”  

Critical Mass’ Internship opportunities are part of our Trailhead Program and provide a 12-week jump-start to your career. The program is designed to fast-track your growth through regular learning opportunities, mentorship, and hands-on client work - all while earning a competitive stipend. You’ll get a firsthand look at the exciting work we do at Critical Mass and experience what it’s like to be an integral part of our team. This internship gives you the chance to explore the digital agency world and client projects to see if it’s the right fit for you.

Our internship will run from May 26 – August 14. 

Our new hires & employees are the future of our organization, and we want to set you up for long-term success. In an effort to do so, we expect our team to work from an office a minimum of three days per week.

As the Marketing Science Intern you will gain understanding of all aspects of how Marketing Science contributes to Critical Mass’ client offerings. You will learn about the day-to-day activities of the marketing science program and assist in developing innovative products and deliverables. The major objective is to perfect existing skills, learn and understand new measurement methods and tools used to capture, assemble and organize data into something meaningful. 

 You Will: 

• Collaborate with other interns on a client and global intern project.  
• Use web analytics, social, survey, and mobile measurement tools 
• Develop tagging requirements, test and perform data quality assurance 
• QA, identify issues, document and debug code and software issues working with Tech team 
• Use Excel, Tableau, or DW/BI reporting system management 
• Test software management and develop testing strategies 
• Develop and analyze segmentation data, social media data, survey responses, market share information, web behavioral analysis 
• Generate reporting and analysis, interpreting web analytics 
• Use statistical analysis / data science tools like R, Python, or SPSS 
• Analyze site traffic, search, and e-commerce analysis 
• Have experience with A/B or multivariate testing results analysis 
• Assist in analysis presentation development (story telling with data), internal and client team presentation of analysis 

You Have: 

• An interest in digital marketing and how organizations use social media in their campaigns 
• Proficiency with Excel 
• Excellent attention to detail and naturally strong memory 
• Experience using the scientific method
• Active listening skills 
• Solution-oriented thinking capabilities 
• Good communication and writing skills 
• Currently in 2nd or 3rd year of a 4-year degree or 1st year of a 2-year specialization program