Senior Copywriter

1 Month ago • 5 Years + • Editorial

Job Summary

Job Description

As a Senior Copywriter, you will be a seasoned storyteller collaborating with creatives and strategists to bring a digital voice to life. You will grasp communication challenges and devise imaginative solutions that are both brilliant and on-brand. With an editor's eye for detail and an ability to juggle multiple campaigns, you will optimize text through global/structural changes, line editing, and alignment with brand best practices. Your role involves interacting with project teams, reviewing copy for brand alignment, providing guidance on creative revisions, and working with cross-functional partners to drive consensus. You will also audit existing templates and guidelines and create/revise new ones to empower partners in their email projects. A minimum of 3 days a week in the office is expected.
Must have:
  • 5+ years of copywriting or editing experience
  • Experience with interactive media and direct marketing
  • Ability to adhere to internal brand guidelines
  • Exceptional writing and editing skills
  • Quick, creative thinking with attention to detail
  • Strong understanding of marketing and advertising principles
  • Ability to work on multiple projects simultaneously
Good to have:
  • Experience in an agency, publishing, or journalism environment
  • Experience with optimizing text through global/structural changes
  • Line editing skills
  • Alignment with brand best practices
  • Knowledge of social media, usability, online marketing, and traditional advertising
  • Dynamic leadership skills
  • Mentoring junior copy staff

Job Details

As a Senior Copywriter, you are a seasoned storyteller who loves to collaborate with creatives and strategists to bring a digital voice to life. Grasping communication challenges and devising imaginative solutions that are both brilliant and on-brand is what you do. 

You have a copy editor’s eye for detail and a managing editor’s ability to juggle multiple campaigns at once. Skills like optimizing text through global/structural changes, line editing, and alignment with brand best practices are in your toolbox.  

To demonstrate high-quality, insightful approaches with outstanding results, you pull from a wide variety of experiences on past projects. Copy is your comfort-zone, but you’ve got a well-rounded knowledge of the broader industry—social media, usability, online marketing, and traditional advertising. You’re also a dynamic leader who can be point on copy development for complex campaigns and be an inspiring mentor to junior copy staff.


You Will:

  • Interact with project teams to understand business objectives and audience demographics
  • Review copy (alongside design) to align with brand guidelines and optimize scanability, clarity, and succinctness. 
  • Provide guidance on creative revisions to up-level content within our client’s voice and tone.
  • Work with cross-functional partners to drive consensus across teams and advocate for solutions that balance the needs of Campaign Owners (and the guests and hosts who will be receiving the comms) with our business goals.
  • Work with design partners and CD to audit existing templates, guidelines, and select teams’ past comms. Create/revise/advise on new templates and guidelines as needed to empower our partners to better execute their email projects

You Have:

  • 5+ years’ experience as a copywriter or editor in an agency, publishing, or journalism environment—including experience with interactive media and direct marketing.
  • Ability to internalize and consistently adhere to internal brand guidelines
  • Exceptional writing and editing skills, including the ability to quickly review, edit, and QA a wide variety of comms.
  • Proven aptitude for quick, creative thinking with acute attention to detail within demanding deadlines.
  • A strong understanding of marketing (especially direct marketing) and advertising principles.
  • The ability to work on multiple projects simultaneously and effectively juggle diverse writing demands.

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.

Critical Mass is an equal opportunity employer. 

The Critical Mass Talent Acquisition team will only communicate from email addresses that use the URLs criticalmass.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 

Similar Jobs

kuda  - Product Manager

kuda

Dar Es Salaam, Dar Es Salam, Tanzania (Hybrid)
2 Months ago
Silicon Labs - Senior IoT RF Validation Engineer

Silicon Labs

Austin, Texas, United States (On-Site)
2 Months ago
Shield AI - Senior Engineer, Software Systems- Dayton (R3539)

Shield AI

Dayton, Ohio, United States (Hybrid)
1 Week ago
Qualcomm - Physical Design Methodology Engineer

Qualcomm

Bengaluru, Karnataka, India (On-Site)
2 Months ago
Open Systems Technologies - Database Administrator (6months)

Open Systems Technologies

Ridgefield Park, New Jersey, United States (On-Site)
1 Week ago
Digicore studios - Content Writer

Digicore studios

Pune, Maharashtra, India (On-Site)
4 Months ago
Salesforce - Technical Writer

Salesforce

San Francisco, California, United States (Hybrid)
1 Week ago
Actian - Technical Writer - Bangalore

Actian

Bengaluru, Karnataka, India (On-Site)
9 Months ago
22squared - Copywriter

22squared

Atlanta, Georgia, United States (Hybrid)
2 Months ago
Behaviour Interactive - Technical Writer - Internship Fall 2025

Behaviour Interactive

Toronto, Ontario, Canada (Hybrid)
2 Months ago

Get notifed when new similar jobs are uploaded

Similar Skill Jobs

Accenture - Full Stack Engineer

Accenture

Pune, Maharashtra, India (On-Site)
1 Month ago
Mendix - Product Manager - Lowcode Devops & Data Goverance

Mendix

Rotterdam, South Holland, Netherlands (Hybrid)
1 Month ago
Playdawn Consulting - UI / UX Designer

Playdawn Consulting

Bengaluru, Karnataka, India (On-Site)
3 Weeks ago
Moloco - Senior Data Scientist, Ads Performance

Moloco

Seoul, South Korea (On-Site)
3 Weeks ago
Flow - Senior/Staff Backend Software Engineer

Flow

Palo Alto, California, United States (Hybrid)
9 Months ago
Wargaming - Product Manager

Wargaming

Nicosia, Nicosia, Cyprus (Hybrid)
1 Month ago
bytedance - Payment Operations Manager, EMEA - Global Payment

bytedance

London, England, United Kingdom (On-Site)
3 Months ago
Aftershock Media Group - Senior Product Marketing Manager, Community & Influencer Strategy

Aftershock Media Group

(Remote)
1 Month ago
Scopely - Senior Product Manager, Performance - Monopoly GO!

Scopely

United States (Remote)
4 Months ago

Get notifed when new similar jobs are uploaded

Jobs in Calgary, Alberta, Canada

Cineplex - Senior Analyst, Data & Insights

Cineplex

Toronto, Ontario, Canada (Hybrid)
1 Year ago
Critical mass - Freelance Senior Project Manager

Critical mass

Toronto, Ontario, Canada (On-Site)
2 Months ago
Ubisoft - Senior ML Data Scientist

Ubisoft

Montreal, Quebec, Canada (On-Site)
3 Months ago
Ice fall interactive - Environment Artist

Ice fall interactive

Nelson, British Columbia, Canada (On-Site)
3 Months ago
Open Systems Technologies - Civil Inspector

Open Systems Technologies

Montreal, Quebec, Canada (On-Site)
1 Week ago
Blazesoft - Senior FX Artist

Blazesoft

Vancouver, British Columbia, Canada (Hybrid)
2 Months ago
Epic Games - Gameplay Systems Programmer, Fortnite

Epic Games

Montreal, Quebec, Canada (On-Site)
6 Months ago
yellow brick games - Gameplay Programmer

yellow brick games

Montreal, Quebec, Canada (Remote)
3 Months ago
Fox Factory - Customer Service Representative

Fox Factory

Burnaby, British Columbia, Canada (On-Site)
3 Weeks ago
Ethernovia - Senior ASIC Design Verification Engineer

Ethernovia

Canada (Remote)
2 Months ago

Get notifed when new similar jobs are uploaded

Editorial Jobs

Ziff Davis - Guides Writer

Ziff Davis

London, England, United Kingdom (Hybrid)
1 Month ago
hogarth - Copywriter (Freelance, Bahasa Indonesia)

hogarth

Jakarta, Indonesia (On-Site)
2 Months ago
zeta - Senior Information Developer/Technical Writer

zeta

Bengaluru, Karnataka, India (On-Site)
4 Months ago
WebFX - Remote Copywriter: Technology & SaaS

WebFX

Philippines (Remote)
9 Months ago
ElevenLabs - Enterprise Content Writer

ElevenLabs

United Kingdom (Remote)
4 Months ago
FORTUNE - Health Staff Writer

FORTUNE

New York, United States (Remote)
1 Month ago
Publicis Groupe - Copy Editor

Publicis Groupe

Bengaluru, Karnataka, India (Hybrid)
2 Weeks ago
Sportskeeda - Content Writer - College Basketball/NBA & WNBA

Sportskeeda

India (On-Site)
3 Months ago
Capgemini - Technical Writers

Capgemini

Bengaluru, Karnataka, India (On-Site)
2 Months ago
Boomi  - Senior Technical Writer

Boomi

India (On-Site)
2 Weeks ago

Get notifed when new similar jobs are uploaded

About The Company

Critical Mass is a team of 1,800 inspired folks based in 12 offices around the world, providing full-service digital capabilities for the greatest brands on Earth. Our secret sauce is our uncompromising design standards, our relentless focus on customers, and an ability to put powerful new technologies to work for our clients.


We work with the best—Apple, Nike, Mars Wrigley, Nissan, Diageo, Airbnb, BMW, BNY Mellon, Johnson & Johnson, and many more—brands who strive for connected digital ecosystems and unparalleled experiences. We help them get there by gaining deep insight into their consumers and orchestrating data, AI, design, media, and tech stacks around human stories.


We’re a global agency founded in Canada, but digital is our home. If you know us, then you know we’re a special, quirky place that attracts big talent and tiny egos. (We actually give out a “so f-n nice” award—lots of them). But just because we’re friendly doesn’t mean we’re not a force to be reckoned with. We’re driven. Relentless. And we live our values. We’re Critical Mass, but our friends call us CM. Please call us CM!

Chicago, Illinois, United States (Hybrid)

Vancouver, British Columbia, Canada (Hybrid)

Calgary, Alberta, Canada (Hybrid)

Calgary, Alberta, Canada (On-Site)

Los Angeles, California, United States (Hybrid)

Vancouver, British Columbia, Canada (Hybrid)

New York, United States (Hybrid)

Los Angeles, California, United States (Hybrid)

San Jose, California, United States (Hybrid)

Vancouver, British Columbia, Canada (On-Site)

View All Jobs

Get notified when new jobs are added by Critical mass

Level Up Your Career in Game Development!

Transform Your Passion into Profession with Our Comprehensive Courses for Aspiring Game Developers.

Job Common Plug