Mediktor is looking for a Prompt Engineer to join our fast-moving team and help shape the next generation of our intelligent medical solutions.

This role will focus on designing, testing, and refining prompts to optimize the performance of our LLM-powered product layer, ensuring accurate, reliable, and human-like interactions.

Working closely with our Product and Software teams, you’ll develop and implement prompting strategies that align with our product vision and continuously improve model behavior and user outcomes.

You will play a key role in training, evaluating, and finetuning our AI product.

About us:

We are an artificial intelligence-based platform designed to help navigate healthcare services. It is an end-to-end solution that guides patients through their healthcare process and supports healthcare professionals in decision making.

With a sophisticated artificial intelligence engine and custom-designed avatars, it enables empathetic and engaging conversations in multiple languages. Our core technology is its clinically validated, AI-based triage system that evaluates symptoms and directs patients to the appropriate level of care.

Recently, We have incorporated a new LLM-powered conversational layer that makes interaction more fluid, natural and empathetic, while keeping the clinical rigor of its validated engine intact.

Our customers include health insurers, hospitals and health systems, government and public health agencies, and pharmaceuticals.

You can try out our showcase application for yourself. (We would love to hear your feedback):

• Mediktor in the Apple App Store
• Mediktor in the Google Play Store
• Mediktor B2C web portal

Visit www.mediktor.com to find out more.

About the team:

We invite you to join the team of one of the most important technology companies in the e-health sector. We are a scale-up company based in Barcelona. We are looking for motivated people who want to help us improve access to healthcare around the world.

Roles & Responsibilities

• Design, test, and refine prompts to improve the accuracy, creativity, and safety of LLM outputs.
• Collaborate with product and business teams to identify use cases.
• Document and maintain libraries of reusable prompts, ensuring scalability and consistency.
• Measure prompt performance through A/B testing, quality metrics, and user feedback.
• Explore new prompt engineering techniques (e.g., chain-of-thought, few-shot, system prompts, agents, etc.) to optimize results.

Requirements:

• Currently enrolled in an academic institution or training program. (Active student status is required).
• Previous experience working with language models (e.g., GPT, Claude, LLaMA, Gemini, etc.).
• Basic programming skills to integrate LLMs into workflows and applications.
• Fluency in English.

What you will find working with Mediktor:

💎 An exciting scale-up company sharing good vibes

🚀An opportunity to grow and develop your career with us

🏡 Flexible working hours and a hybrid working model

👥A collaborative environment with multidisciplinary teams.

🏢 Amazing offices in an important historical location: The modernist Campus of Hospital Sant Pau. Our rooftop views are one of the best in the city!!

🥗 Access to cheap meals in our canteen

💰 Paid internship

🎒 Mediktor welcome pack

You will be part of a team that is moving towards agility. If you want to be part of a team that is constantly improving, where we value transparency, commitment, energy and good vibes, do not hesitate to join us!