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Marketing Science Lead

Criticalmass

San Jose, Costa Rica (San Jose) permanent

Posted: March 4, 2026

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Quick Summary

As Marketing Science Lead, you will be responsible for leading marketing science projects and delivering client-facing deliverables, working closely with marketing teams to drive business growth.

Job Description

Marketing Science Lead

Brief This role is in the organization to lead the execution on the account and office-level vision and priorities.

Output is to bring forward to clients Marketing Science projects, deliverables, and related work across a broad range of initiatives.

Career Development is typically provided by Marketing Science Directors or Senior Directors but can
be adapted to suit an account and/or office location.

Nature of role is that of a ‘leader’: here to understand Marketing Science at an advanced level and lead project contribution requirements for client-facing deliverables.

Core Responsibilities

Skills Developed

• Ability to identify, build, and lead teams to solve complex problems

• Experience with at least two and deep understanding of at least four of the following:

o Data architecture (ETL/data integration)

o Automated data ingestion and reporting

o Data science and statistical programming

o Testing and personalization

o Data visualization

o Website platform implementation

• Ability to excel in data storytelling as well as leading junior team members to translate findings into clear and actionable insights

• Experience in business development, from shaping analytics content, to providing recommendations on methodology and technology, to estimating level of effort, to casting appropriately

• Ability to give feedback and polish presentations for delivery as well as able to give upper-level presentations to internal and external stakeholders

• Soft Skills

o Possess strong interpersonal and team building skills, with the ability to foster a cohesive and effective work environment, and the responsibility to proactively check-in and report on team members’ needs

o Ability to oversee and polish communication to meet client expectations and business objectives for decision making purpose; ability to communicate effectively with senior clients

• Hard Skills

o Advanced understanding of Adobe Analytics, Google Analytics, media tools and excellent understanding of how to navigate challenges

o Advanced level knowledge and working experience of Agency technology

Activities Performed

• Provide work and team leadership over delivery and project ownership requirements

• Manage Analysts’ and your own deliverables and ensure that the Marketing Science Associate

Director or Director has visibility into projects

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

• Provide career development guidance, leaderships, and support as needed to Analysts and

Analyst teams.

• Support in scoping Marketing Science staff management needs alongside Marketing Science

Directors and Senior Directors

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…

Critical Mass is an equal opportunity employer.

Critical Mass uses artificial intelligence in our recruitment process to enhance job postings, filter keywords during the review of prospective candidates, and, in some cases, transcribe interviews with our recruiters. Human review remains central to the process, and all hiring decisions are ultimately made by our team.

The Critical Mass Talent Acquisition team will only communicate from email addresses that use the URLs criticalmass.com, omc.com and us.greenhouse-mail.io. We will not use apps such as Facebook Messenger, WhatsApp, or Google Hangouts for communicating with you. We will never ask you to send us money, technology, or anything else to work for our company. If you believe you are the victim of a scam, please review your local government consumer protections guidance and reach out to them directly.

If U.S. based: https://www.consumer.ftc.gov/articles/job-scams#avoid
If Canada based: https://www.canada.ca/en/services/finance/consumer-affairs.html
If U.K. based: https://www.gov.uk/consumer-protection-rights
If Costa Rica based: https://www.consumo.go.cr/educacion_consumidor/consejos_practicos.aspx

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