New

Lead Creative Copywriter

San Jose, Costa Rica

Kepler executes engineered marketing, where every message and ad delivered helps create a more personalized and productive relationship between brands and their consumers. We do this by acting as clients’ agency of record, as their in-house team, or some hybrid of the two – and by harnessing data and technology across all paid digital media and data-driven CRM channels.

Kepler prides itself on being a great place to work. In fact, we’re proud to share that AdAge recognized Kepler among the Best Place to Work in 2022, validating our investment in our team and our clients.

  • We're transparent with our employees. You'll hear updates on company financials, how we're performing against bonus goals, and how we're responding to challenges we face. 
  • We're growing. For you, that means unparalleled growth opportunities and a role in shaping the direction of the company. 
  • We're fun. You'll work with and learn from the smartest people in the industry and have a blast doing it. 

This position is a key part of Kepler Creative’s AI-enabled studio culture, where every team member contributes ideas for new tools, workflows, and creative systems that drive the next evolution of creativity.

The Lead Creative Copywriter role is for an AI-empowered writer who thrives at the intersection of creativity, technology, and storytelling. This individual shapes brand voices, campaign narratives, and performance-driven messaging across digital platforms. The ideal candidate is a nimble, self-motivated creative with a balance of strategic thinking, craft excellence, and a deep curiosity for how emerging AI tools can enhance the creative process.

This role requires someone who moves fluidly between conceptual thinking and execution, who embraces learning new technologies quickly, and who brings a proactive mindset to creative problem-solving. Success in this position comes from curiosity, adaptability, and an intrinsic drive to produce exceptional work—independently and collaboratively—within a fast-paced, cross-disciplinary environment.

What You Will Do

  • Concept & Copy Development: Craft copy for digital campaigns, including social, display, video, and email, blending human creativity with AI efficiency.
  • Brand Storytelling: Develop distinct brand voices and narratives that drive emotional resonance and clarity across all touchpoints.
  • Creative Ideation: Collaborate with designers, art directors, strategists, and AI engineers to generate ideas that connect data, culture, and creativity.
  • AI-Powered Writing & Optimization: Use LLMs and generative tools (ChatGPT, Claude, Gemini, Jasper, Copy.ai, etc.) for ideation, drafting, refinement, and creative expansion while maintaining brand integrity.
  • Prompt Engineering: Design prompts and systems that guide AI tools to deliver contextually relevant, high-quality creative outputs.
  • Automation & Workflow Innovation: Explore ways to automate repetitive writing tasks using no-code or AI workflow platforms (Zapier, n8n, custom GPTs).
  • Collaboration & Communication: Partner effectively across distributed teams, communicating clearly in both written and verbal forms.
  • Quality & Detail: Maintain precision, consistency, and taste across every deliverable, ensuring brand standards are upheld in AI-assisted workflows.
  • Creative Experimentation: Leverage data-informed insights and audience understanding to continuously test, refine, and elevate creative messaging across campaigns.
  • Video & Script Writing: Write scripts and captions for video and audio content, working closely with producers to ensure narrative strength and cohesion.
  • Continuous Learning: Stay current on evolving AI and creative technologies, experimenting with new methods that enhance storytelling and production.

Desired Skills and Experience

  • Strong interpersonal collaboration skills and a passion for mentoring or knowledge-sharing within a small, high-performance team.
  • 7+ years of experience in copywriting, advertising, or digital content creation.
  • Demonstrated mastery of concepting, storytelling, and writing across channels.
  • Deep understanding of AI tools for writing, ideation, and workflow enhancement.
  • Strong communication, organization, and presentation skills.
  • Proven ability to work autonomously and collaboratively within distributed teams.
  • Excellent attention to detail, time management, and follow-through.
  • Open, curious mindset—eager to learn and explore new creative technologies.
  • Outstanding online portfolio demonstrating creative range and excellence.
  • Bachelor’s degree in Communications, Advertising, English, or a related field preferred but not required.

Benefits & Perks

  • Competitive health and dental benefits
  • Tuition reimbursement and training stipend
  • Hybrid Office/WFH Schedules: office supplies, internet, and phone stipend
  • “Work from Anywhere” 4 weeks per year
  • Stocked kitchen, and other team outings
  • Collaborative and friendly work space, easily commutable location
  • Volunteering & altruism opportunities
  • Team building lunches and events, and company celebrations: Summer, Halloween, Holidays, and many multicultural holidays recognized/celebrated
  • If something is important to you that’s not listed here, let us know!

Career & Development Focus

  • Ongoing learning and development for education opportunities such as webinars, books, classes, relevant conferences and events
  • Opportunities to pursue business related side projects and Hackathons
  • Environment of learning from peers, including 30+ class training program, Kepler University, powered by Center of Excellence and Tiger Team subject matter expert groups
  • Opportunity to work with cutting edge technology and industry thought leaders
  • Kepler Rocket Mentorship Program: beneficial for the development of both mentors and mentees

**All applications must include a Resume & Cover Letter in English to be considered. 

Kepler is a people first organization. If this roles piques your interest but you may not check every box, we still encourage you to apply! Studies show that imposter syndrome can prevent women and people of color from applying unless they meet every single qualification. We welcome all who are interested to apply, you just might be a great candidate for this role or others.

Protect yourself from recruitment fraud. The only way to apply for a position at Kepler is by submitting a direct application via the Keplergrp.com website or working with a recruiter employed by Kepler with a @keplergrp.com email address. Learn how to stay safe by clicking here

 

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