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FullStack Labs
Fully remote

AI Prompt Engineer

FullStack is the fastest-growing software consultancy in the Americas. We help organizations like Uber, GoDaddy, MGM, Siemens, Stanford University, and the State of California, build distributed software development teams, and deliver transformational digital solutions. As an employee-first company, we focus on hiring the most talented software designers and developers in the western hemisphere, by creating a positive, respectful, and supportive work environment where they can achieve their greatest potential.

We’re most proud of:

*Offering life-changing career opportunities to talented software professionals across the Americas.

*Building highly-skilled software development teams for hundreds of the world’s greatest companies.

*Having delivered hundreds of successful custom software solutions, which have positively impacted the lives and careers of millions of users.

*Our 4.5-star rating on GlassDoor.

*Our client Net Promoter Score of 68, twice the industry average.

The Position

What You Will Be Doing

  • Model Development: Developing and optimizing natural language generation models and image generators using OpenAI's GPT-3.5 architecture, Midjourney, or similar LLMs and image AI tools to generate text and images based on specified criteria, such as tone, style, and content.
  • Data Collection and Preprocessing: Collecting and preprocessing large datasets of text and images to train and fine-tune language models and image generators, ensuring data quality and integrity while adhering to client-specific requirements.
  • Model Evaluation and Optimization: Evaluating and analyzing model performance using appropriate metrics, identifying areas for improvement, and optimizing models for better performance, including addressing biases and ethical considerations, based on our clients' staffing requirements.
  • Collaborating with Cross-functional Teams: Collaborating with data scientists, software engineers, product managers, and other stakeholders to understand business requirements, define project goals, and deliver AI-powered solutions
  • Research and Innovation: Staying up-to-date with the latest advancements in natural language processing (NLP) and machine learning (ML) research, exploring new techniques, and applying innovative approaches to enhance model performance and capabilities to support our clients' staffing services.

What We're Looking For

  • Bachelor's degree in Computer Science, Engineering, or a related field.
  • Experience in the implementation of text and image AI models to analyze collected data
  • Experience in prompt creation and testing.
  • 2+ years of experience with analyzing structured and unstructured data sources.
  • Proficiency in Python or similar programming languages.
  • Experience working with APIs.
  • Familiarity with Linux operating systems and command-line interfaces.
  • Excellent problem-solving and analytical skills.


  • Competitive Salary.
  • Paid Time Off (vacation, sick leave, maternity and paternity leave, holidays).
  • 100% remote work.
  • The ability to work with leading startups and Fortune 500 companies.
  • Health policy with Sura 100% for you and up to 4 primary family members.
  • English Classes.
  • Sodexo food card.
  • Virtual company events each month.
  • Ample opportunity for career advancement.
  • Continuing education opportunities.