Codertal is hiring a for a remote opportunity in the European Union on a B2B contract. If you're passionate about designing high-performing prompts, optimizing large language model interactions, and pushing the limits of AI capabilities, we'd love to have you on board! Location: Remote European Union Contract Type: B2B Contract Experience Level: Mid to Senior

About the Role

Codertal is looking for a highly skilled Prompt Engineer to design, test, and optimize prompts that drive accurate, reliable, and efficient responses from advanced AI models. You will experiment with prompt structures, evaluate model outputs, and collaborate closely with AI researchers and developers to enhance prompt performance and alignment. Your work will play a crucial role in improving the quality, safety, and usability of AI systems for Codertal's international clients across various industries and applications.

Key Responsibilities

• Design and refine prompts to optimize LLM performance across diverse tasks.
• Analyze model outputs iterate to improve accuracy, consistency, and alignment.
• Work closely with data scientists and ML engineers to integrate prompt engineering workflows.
• Create evaluation frameworks to benchmark prompt effectiveness.
• Conduct experiments with model parameters, prompt structures, and contextual cues.
• Document prompt strategies, patterns, and best practices for internal and client use.
• Ensure prompt designs comply with ethical AI principles and safety guidelines.

Required Skills and Experience

• Proven hands‐on experience with prompt engineering or LLM optimization.
• Strong understanding of large language models (GPT, LLaMA, Claude, etc.).
• Ability to analyze model behavior and systematically improve output quality.
• Familiarity with Python and APIs for interacting with AI models.
• Excellent analytical thinking, creativity, and problem‐solving skills.
• Experience in AI safety, alignment, or evaluation is a plus.
• Strong communication skills and ability to document findings clearly.
• Intermediate to high English proficiency.
• Must be located within the European Union.

Location & Work Setup

• Remote: Yes
• Location: European Union
• Contract Type: B2B

Why Join Codertal?

• Work with state‐of‐the‐art LLM technologies
• Competitive daily rates
• 100% remote work with flexible hours
• Opportunity to define best practices in a rapidly growing field
• Be part of an innovative, international tech community

How to Apply

If you're passionate about shaping how humans interact with AI and optimizing language model performance, we'd love to hear from you! Apply Now Name Phone Email Rate per day (euros) CV Explore more opportunities on our Careers Page or connect with us on LinkedIn.