Demo

Copywriter

Critical Mass
Los Angeles, CA Full Time
POSTED ON 4/23/2026
AVAILABLE BEFORE 5/30/2026
As a Copywriter, you are a short storyteller who loves to collaborate with creatives and strategists to bring a digital voice to life. You’ve got the basics of site copy, banner ads and direct e-mails. Crafting short-form narratives for campaign creative is where you shine. This role will need all of that and still ask you to make the structure of your copy repeatable, flexible and more personalized than ever before. You’ve got a well-rounded knowledge of the broader industry—social media, usability, online marketing, and traditional advertising. Grasping communication challenges and devising imaginative solutions that are both brilliant and on-brand is what you do.

You Will

  • Collaborate with creative team members to determine the conceptual and copy direction
  • Participate in strategic brainstorming, campaign development, creative brief development and creative execution of campaigns
  • Interact with project teams to understand business objectives and audience demographics
  • Translate creative direction and copy points from creative briefs into engaging and effective copy concepts
  • Maintain high standards of copywriting and exercise quality control
  • Work on multiple projects simultaneously

You Have

  • 2 years’ experience as a copywriter in an agency environment—including experience with interactive media, social media, and direct marketing
  • A keen enthusiasm for and demonstrable understanding of Web trends and technologies
  • Exceptional writing skills, including the ability to write in a range of voices and styles for varied projects with diverse audiences
  • An ability to work on multiple projects simultaneously and effectively juggle diverse writing demands
  • Demonstrated communication skills and a meticulous eye for detail

What We Offer

  • Global maternity and parental leave
  • Competitive benefits packages
  • Vacation, compassionate leave, wellness days, and flex days
  • Access to online services for families and new parents
  • Early Dismissal Friday’s (off at 3:00 PM local time every Friday)
  • Diversity and Inclusion Board with 13 affinity groups
  • Internal learning and development programs
  • Enterprise-wide employee discounts

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.

We continually review ranges to address skills, experience and markets. Base salaries are determined during our interview process, by assessing a number of factors that include, but aren’t limited to, a candidate’s experience and skills relative to the scope and responsibilities of the position. For current CM employees, tenure will also be a consideration.

Salary Range

$70,000—$90,000 USD

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

Salary : $70,000 - $90,000

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