Junior Prompt Engineer

At LTV.ai, we’re redefining customer engagement for e-commerce brands by empowering them with their own AI-powered ambassadors to deliver hyper-personalized Email and SMS interactions at an unprecedented scale.

Our platform enables brands to communicate with their audience in a natural and contextually relevant manner, driving higher engagement and conversion rates. While increasing LTV and driving measurable growth, we help brands stay focused on what matters most - the customer.

Why join us?

We’re a fast-moving team building a high-growth company that’s transforming the e-commerce industry.

As an early contributor on the AI team, you’ll help shape the future of intelligent customer communication - and the broader prompt design ecosystem. You’ll work side-by-side with our AI and Engineering teams, shipping real output that immediately reaches tens of millions of consumers. This is a unique opportunity to be hands-on in the most experimental parts of our product and help define a new category from the ground up.

What you’ll do:

• Collaborate with our AI, engineering, and product teams to write, test, and refine high-performing prompts across a range of customer-facing experiences

• Help scale and evolve our prompt library for:

  • Personalized email campaigns

  • Human-like responses in our AI chat interface

  • Customer reply handling and sentiment understanding

  • Image generation

  • Marketing-style tone tuning and brand voice preservation

• Run structured experiments to evaluate prompt performance and gather qualitative/quantitative feedback

• Continuously research best practices and innovations in prompt engineering and apply those insights internally

• Contribute to documentation, tooling, and prompt versioning processes to improve internal collaboration

What we’re looking for (ideally):

• Deep curiosity and passion for AI language models and how they’re applied in real-world user flows

• Strong writing skills, with an eye for tone, empathy, and clarity in communication

• Technical comfort working with tools like GPT, Claude, or image generation models (e.g., Midjourney, DALL·E)

• Ability to think like both a product designer and a conversational copywriter

• Previous experience working with LLMs, either through direct work experience at scale or side projects

• Familiarity with e-commerce or marketing workflows is a plus

Compensation

• Depends a lot on the person but we compensate A players well

• Equity included

If you’re curious, ambitious, and hungry to build something big, feel free to email our founder directly [email protected] - we’d love to hear from you.