Criticalmass

Marketing Science Senior Analyst San José, Costa Rica 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. Yo

The Account Manager – Digital & Website Experience has responsibility for managing and growing the client relationship on one or more accounts under the direction of an Account Director or VP, Client Partner. The Account Manager provides client and project team leadership, de

As Social Strategy Director, you'll be the strategic leader and trusted advisor onsite with one of our key clients in Nashville. The right candidate for this role will know how to develop and articulate compelling social strategy while leading the creative vision and content direction that moves the

ACCOUNT COORDINATOR The Account Coordinator is the “right-hand” person reporting to the Account Manager and/or VP, Client Partner. This person will be an integral part of the Account Management team in the organization of agendas, responding appropriately to various correspondence and coordinating m

We are seeking an Associate Media Director to be hands-on in planning and activation for both online and offline strategies for a new client in the B2B space. The Associate Director is responsible for driving media strategy and ensuring the program meets client objectives and KPIs. The Associate Dir

We are seeking an Associate Media Director to be hands-on in planning and activation for both online and offline strategies for a new client in the B2B space. The Associate Director is responsible for driving media strategy and ensuring the program meets client objectives and KPIs. The Associate Dir

As a Creative Director , you couple a strong creative voice with strategy and product thinking to lead performance marketing and design framework initiatives. Balancing creative thinking, political acumen, and organizational/process savvy, you develop solid client relations by clearly communica

As the Media Director, you'll lead strategic media planning and execution to drive business performance, while building strong relationships with clients across all facets of the organization. You’ll set media objectives, manage client relationships, and oversee campaign execution across key platfor

This role is responsible for executing on the account and office-level vision and priorities within the organization in our Costa Rica office. The main output of the role is to lead Marketing Science deliverables across a broad range of initiatives. Career development is typically provi

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

Critical Mass is hiring an Account Manager to join our team on ArtBot! ArtBot is a next-generation content orchestration platform, combining creative and performance engineering with AI-driven technology to unlock automation and performance at scale. We specialize in data-driven, personalized

The Comms Planning Director partners across disciplines to create communication plans that translate marketing objectives into actionable go-to-market strategies grounded in audience understanding and business goals. In partnership with strategy, media, creative, and marketing science, you wil

The Comms Planning Director partners across disciplines to create communication plans that translate marketing objectives into actionable go-to-market strategies grounded in audience understanding and business goals. In partnership with strategy, media, creative, and marketing science, you wil

Critical Mass is hiring for a contract Sr Project Manager . This is a high-visibility contract role on a dynamic communications team creating world-class digital marketing material. You'll work on exciting projects with tight timelines, meaningful scope, and the opportunity to make an immediat

We seek a highly skilled and experienced Senior Accountant to join our dynamic finance team in San José, Costa Rica. This role will be instrumental in ensuring the accuracy and integrity of our financial reporting, managing complex accounting processes, and providing crucial support to the financial

As the VP of Media, you will lead the development and execution of media strategies across key client accounts. The ideal candidate brings over 10 years of diverse media experience, with a strong emphasis on digital, and has a proven track record of managing and developing high-performing teams of 1

Critical Mass is seeking a results-driven Senior Account Manager to work on one of our largest automotive accounts. Based in New York, you’ll collaborate closely with internal teams and the client to deliver impactful digital solutions for a leading global brand. If you’re passionate about client pa

We are looking to add Freelance Lead User Experience Designers to our Talent Roster for quick turnaround, shorter-term project engagements! As Lead User Experience Designer, you're the rare leader who thinks like both a strategist and an artist. You speak fluent UX—information architecture, re

We are looking to add Freelance Lead User Experience Designers to our Talent Roster for quick turnaround, shorter-term project engagements! As Lead User Experience Designer, you're the rare leader who thinks like both a strategist and an artist. You speak fluent UX—information architecture, re

We are looking to add Freelance Associate Creative Directors to our Talent Roster for quick turnaround, shorter-term project engagements! As an Associate Creative Director, you bring a creative voice with strategic thinking to projects. You have a diverse array of experiences to bring to the roll—fr