Prompt Engineering Intern at Helloprint

Posted on (10 months ago)

Location: Rotterdam, The Netherlands

Industry: Printing

Job Type: full-time

Experience Level: internship

Remote: on-site

Job Description

Helloprint is the #1 marketplace for customized print products. We bring local production and delivery to a global audience of creative entrepreneurs, SMBs and e-commerce companies, reducing cost, speed of delivery and carbon footprint.

At Helloprint, we constantly innovate and improve our processes, being at the forefront of technological development. Currently, we’re working on implementing many AI technologies into our systems, and we need smart and motivated people to work with us on this ;-)

As a Prompt Engineer, you will work closely with our experienced development team to design, develop, and optimize our solutions. Currently, we’re building exciting new capabilities to improve the customer experience. Your role will involve understanding the AI model's capabilities, trialling different strategies to improve it, identifying areas of improvement, and effectively communicating these insights to our development team.


  • Assist in creating and optimizing prompts
  • Design and perform tests to evaluate the performance of AI models
  • Try and compare the performance of different LLMs (GPT vs LLaMA vs PaLM)
  • Try and compare the results of different fine-tuning strategies
  • Try and compare different strategies for document loading, chunking and vector search


  • Currently pursuing or recently completed a degree in Computer Science, Data Science, or a related field (or similar experience)
  • Good spoken and written English
  • Ambitious and eager to learn
  • Willingness to work as an integrated part of the team and the ability to extend your internship afterwards
  • Able to code in Python
  • Curious, enthusiastic, with an experimental and problem-solving attitude
  • Minimum availability of 4 months
  • Nice to have: Experience with Notebooks, Pandas, and NumPy. Experience with Langchain. Experience with vector databases like Pinecone and pg-vector.


  • A once-in-a-lifetime opportunity to work on something truly exciting with a new in-house entrepreneurial team
  • An opportunity to work with leading-edge new technology
  • Mentorship from experienced professionals
  • A friendly, inclusive, and dynamic work environment
  • Market-conform internship fee