Jr Prompt Engineer

Company Description

Papcorns is a mobile app studio committed to developing design-oriented scalable products. Our apps reach more than 10 million people, consistently top-ranked and featured by Apple and Google. We believe companies are just like people and only strive when they have a strong core of principles. Here at Papcorns, we strive to develop cutting-edge AI-powered mobile apps. We are currently building mobile apps focused on Utilities, Photo & Video, and Music categories in the App Store, mainly for the US market.

Our team currently maintains several apps and builds new ones using the latest technologies. As our user base grows and the number of products increases, we’re in an exciting period of growth and are looking for an exceptional Junior Prompt Engineer to join our team.

As a Junior Prompt Engineer, you will play an important role in shaping how AI-powered features work across our mobile applications. You will be responsible for designing, testing, and continuously improving prompts that power real user experiences. You’ll work closely with our Product, Design, and Engineering teams to experiment with different approaches, evaluate AI outputs, and find ways to make our products smarter, more useful, and more engaging.

This is a hands‑on role for someone who is curious about AI, loves experimenting, and enjoys turning ideas into better AI experiences.

• Bachelor's or Master’s degree in Computer Science, Engineering, Linguistics, Psychology, or other related departments
• 0-2 years of experience in Prompt Engineering, Generative AI, AI products, or a related field
• Strong interest in Large Language Models (LLMs), Generative AI, and emerging AI technologies
• Hands‑on experience with AI tools such as ChatGPT, Claude, Gemini, or similar platforms
• Strong analytical and problem‑solving skills with a highly detail‑oriented mindset
• Passionate about experimenting, testing different approaches, and continuously improving AI outputs
• Excellent written and verbal communication skills in English
• Ability to work in a fast‑paced startup environment and adapt quickly to new technologies

• Design, test, and optimize prompts for AI-powered mobile applications
• Explore and evaluate emerging AI models and technologies to identify opportunities for our products
• Experiment with different AI models and approaches to find the best balance between output quality, performance, and cost
• Optimize AI usage and workflows to improve cost efficiency while maintaining high-quality outputs
• Design and build new AI workflows to improve product capabilities and operational efficiency
• Experiment with different prompting techniques and approaches to improve AI output quality
• Evaluate AI-generated outputs based on accuracy, relevance, consistency, tone, and user experience
• Analyze unexpected or low-quality AI outputs and identify opportunities for improvement
• Work closely with Product, Design, and Engineering teams to develop and improve AI-powered features
• Research new AI tools, models, and prompting techniques and explore how they can be applied to our products
• Create and maintain reusable prompt structures, workflows, and documentation
• Conduct continuous experiments to discover better, faster, and more cost‑efficient ways of solving product problems with AI
• Constantly think outside of the box to find new ways to make our AI experiences better

• Competitive Salary
• Optional Work From Home Opportunity 3 day a Week
• Meal & Commute Compensation
• Private Health Insurance
• Birthday Leave
• Access to Udemy Courses
• Tech Gear

• Be part of a passionate and driven team where everyone’s ideas are valued
• Work on AI-powered products used by millions of people around the world
• Work directly with the latest Generative AI technologies and LLMs
• Have the opportunity to experiment, learn, and see your work directly impact real products
• Access to various learning & development opportunities