Prompt Engineer (Сupid Media)
Social Discovery Group · Valencia, Valencian Community, Spain
- Hybrid
- Full-time
- $120,000 / year
- Valencia, Valencian Community, Spain
Job highlights
- Optimize AI moderation prompts for user-generated content.
- Analyze model performance and user content for errors.
- Conduct experiments to measure prompt effectiveness.
- Collaborate with cross-functional teams on AI systems.
- Work remotely with a global digital nomad team.
About the role
About Social Discovery Group
Social Discovery Group (SDG) is a global leader in social discovery, connecting millions of users through innovative products. We address loneliness and disconnection by transforming virtual intimacy into the new normal, with a portfolio of brands including DateMyAge, Dating.com, EuroDate, Dil Mil, and Cupid Media. Operating in over 150 countries, SDG is powered by an international team of 1000+ IT professionals and digital nomads who work remotely from diverse locations worldwide. Recognized as a two-time “Great Place to Work” winner (USA & Japan, 2024–2025) and a Top-5 Company for Work-From-Anywhere Jobs (FlexJobs, 2025), we foster a collaborative and innovative work environment.Job Title: Prompt Engineer
We are seeking a Middle Prompt Engineer to enhance the quality and reliability of our AI moderation systems. You will be instrumental in optimizing Large Language Model (LLM) prompts for the automated moderation of user-generated content (UGC), including photos, profiles, and conversations.Main Tasks
- Improve and optimize LLM prompts for AI moderation of photos, profiles, and chats.
- Analyze model performance, identifying and addressing errors such as false positives and false negatives.
- Work with large-scale user-generated content (UGC) and manage edge cases.
- Build and enhance quality evaluation processes for moderation systems.
- Conduct experiments, including A/B testing, to measure the effectiveness of prompts.
- Collaborate with engineers, product teams, and moderation specialists to achieve shared goals.
- Continuously iterate on prompts based on data, metrics, and user behavior analysis.
- Detect and prevent moderation bypass patterns like jailbreaks and prompt injections.
What We Expect From You
- Experience working with LLMs (e.g., GPT, Claude, Gemini, or similar).
- Hands-on experience with prompt engineering and/or LLM evaluation.
- Understanding of AI moderation, Trust & Safety, and UGC systems.
- Ability to analyze model outputs and work with quality metrics.
- Experience with experimentation, including A/B testing and hypothesis validation.
- Strong analytical thinking and meticulous attention to detail.
- Capacity to work with ambiguity and iterate quickly.
- Good communication skills and ability to work cross-functionally.
What We Offer
- REMOTE OPPORTUNITY: Full-time remote work.
- Vacation: 28 calendar days per year.
- Wellness Days: 7 days per year for personal needs, without requiring sick leave.
- Bonuses: Up to $5000 for successful applicant referrals.
- Professional Development: 50% reimbursement for training, conferences, and meetings.
- Corporate Discount for English lessons.
- Health Benefits: Up to $1000 gross reimbursement annually for medical expenses if not eligible for corporate insurance.
- Workplace Organization: Reimbursement up to $1000 gross every 3 years for home office setup or co-working space rental.
- Internal Gamified Gratitude System: Recognize colleagues and exchange bonuses for merchandise, team building, or massage certificates.
Key skills/competency
- Prompt Engineering
- LLM Optimization
- AI Moderation
- User-Generated Content (UGC)
- Model Performance Analysis
- A/B Testing
- Trust & Safety
- Data Analysis
- Machine Learning
- Communication Skills
Skills & topics
- Prompt Engineer
- AI Moderation
- LLM
- Machine Learning
- Prompt Engineering
- User-Generated Content
- Trust & Safety
- Data Analysis
- A/B Testing
- Remote Work
How to get hired
- Tailor your resume: Highlight LLM experience and prompt engineering skills relevant to AI moderation.
- Showcase analytical skills: Emphasize your experience with data analysis, model evaluation, and A/B testing.
- Demonstrate cross-functional collaboration: Detail projects where you worked with engineers and product teams.
- Quantify achievements: Use metrics to show the impact of your prompt optimizations or system improvements.
- Prepare for technical questions: Be ready to discuss your understanding of AI moderation and LLM capabilities.
Technical preparation
Master LLM prompt design principles.,Practice analyzing model outputs for errors.,Learn A/B testing methodologies.,Study AI moderation and UGC systems.
Behavioral questions
Describe a complex moderation challenge.,How do you handle ambiguous data?,Share an example of cross-functional collaboration.,How do you prioritize iterative improvements?
Frequently asked questions
- What is the primary focus of the Prompt Engineer role at Social Discovery Group?
- The primary focus of the Prompt Engineer role at Social Discovery Group is to improve and optimize Large Language Model (LLM) prompts used for AI moderation of user-generated content, including photos, profiles, and conversations. This involves analyzing model performance and ensuring the reliability of AI moderation systems.
- Is this a remote position for the Prompt Engineer at Social Discovery Group?
- Yes, this is a remote opportunity, allowing you to work full-time from anywhere. Social Discovery Group is known for its digital nomad-friendly culture and has a presence in numerous countries.
- What kind of experience is required for the Prompt Engineer role at Social Discovery Group?
- We expect candidates to have experience working with LLMs (like GPT, Claude, Gemini), hands-on prompt engineering and/or LLM evaluation, and an understanding of AI moderation, Trust & Safety, and UGC systems. Strong analytical skills and experience with experimentation are also crucial.
- How does Social Discovery Group support employee growth and well-being for Prompt Engineers?
- Social Discovery Group offers comprehensive support including 28 vacation days, 7 wellness days, bonuses, 50% reimbursement for professional training, health benefits up to $1000 annually, and a $1000 reimbursement for workplace setup every 3 years. They also have an internal gamified gratitude system.
- What are the key responsibilities of a Prompt Engineer at Social Discovery Group?
- Key responsibilities include improving LLM prompts for AI moderation, analyzing model performance, working with large-scale user-generated content, building quality evaluation processes, running experiments like A/B tests, and collaborating with engineering and product teams to prevent moderation bypass patterns.
- What is the company culture like at Social Discovery Group for a Prompt Engineer?
- Social Discovery Group fosters a collaborative environment with a global team of IT professionals and digital nomads. They are recognized as a "Great Place to Work" and focus on innovation in social discovery products, offering a flexible and supportive remote work experience.