Demo

Senior AI Prompt Engineer

JustAnswer
San Francisco, CA Full Time
POSTED ON 2/27/2025
AVAILABLE BEFORE 4/27/2025

About the Role

The Senior AI Prompt Engineer builds, tests, and scales LLM prompts in a small, fast-moving team. Using diverse toolkits, the ideal candidate employs GenAI to better understand our users, our marketplace experts, and improve our chatbot experience, driving revenue and strategic outcomes at every step. This individual knows how to process and model data at scale, and is comfortable making decisions based on that information. Furthermore, the candidate is a technical and strategic leader in the team. Blending operational LLM support with company-wide outreach, the Senior AI Prompt Engineer enables teams across the organization to get more out of their prompts and products. They should be self-directed and have keen judgment about moving projects to completion. 

What You’ll Do

  • Advanced LLM prompt engineering & applications
  • Use LLMs and generative AI to process large data swaths, drive product lifecycles, and shape chatbot logic 
  • Evaluate the efficiency of LLM prompts to create flexible, impactful, cost-effective solutions 
  • Improve products and customer experience with A/B testing, owning the applied LLM component 
  • Optimize existing user experiences with LLMs and build new ones that engage, convert, and support customers  
  • Evangelize LLM operations to both a team of subject matter experts as well as relative outsiders 
  • Work closely with Product Managers to identify new testing opportunities and application of foundation LLMs and frameworks

What we're looking for

  • Master’s Degree or PhD in Computer Science, Computational Linguistics, or specialization in ML
  • Intermediate to Advanced Python skills and work experience
  • Strong knowledge of LLMs and applied LLM frameworks/methods (e.g. RAG, fine-tuning, etc.)
  • Exceptional logical, analytical, and organizational skills
  • Understanding of NLP/Information retrieval techniques, libraries, or toolkits 
  • Intermediate or higher proficiency in Microsoft Excel 
  • Excellent business judgement and analytical problem-solving skills 
  • Ability to take direction and work autonomously once briefed 
  • Expertise in foundation models across AI vendors, including open-source models; knows tradeoffs between models and model versions
  • Management or lead experience highly preferred
  • Proficiency PowerBI and/or Google Analytics 
  • Familiarity with Agile or experience working in scrum sprints
  • Familiarity with Azure Boards, Asana, and/or related project management suites

Why You’ll Love Working With Us

  • Access to 12,000 licensed professionals and over 25 million real professional-client conversations to train AI
  • Our AI is rated 22% more helpful than ChatGPT for professional services (A/B tested with 5,000 users)
  • Over 10 years of AI innovation, evolving from NLP and ChatScript to cutting-edge Generative AI/LLMs
  • A proven leader in LLM commercial implementation, driving $50M in revenue and deploying new foundational models within days of release
  • Operate in a true agile environment, enabling rapid iteration, experimentation, and continuous delivery of innovative solutions

About Us
We are a San Francisco based company founded in 2003. Our mission is simple: we help people. We have democratized professional services by connecting customers with verified and vetted Experts who provide reliable answers at any hour and on any budget. JustAnswer members enjoy round-the-clock access to 12,000 doctors, lawyers, tech support, mechanics, vets, home repair pros, and more. In the last 20 years, we have helped 22 million customers in 196 countries by answering more than 25 million questions. 

Why Join the Team
With 1,000 employees, we are growing at an amazing pace. Our hiring criteria: Smart. Fun. Get things done. We love what we do and celebrate our success together, best of all, you get to work at a hot company that’s (drum roll, please) profitable! 

Our JustAnswer Promise
We strive together to make the world a better place, one answer at a time. JustAnswer's mission is to help people. We do this by connecting our members with verified Experts to help answer life's questions and solve problems. It’s not every day in your life that you get to be a part of a simple yet powerful mission. We pride ourselves in doing things the JA Way.

  • Data driven: Data decides, not egos
  • Courageous: We take risks and challenge the status quo
  • Innovative: We're constantly learning, creating, and adapting
  • Lean: We focus on customers, using lean testing to learn how to serve them best
  • Humble: Past success is not a guarantee of future success

If these things matter to you, come join the team here at JustAnswer!

Perks and Benefits

  • Fully Remote Work Environment
  • Competitive Pay
  • United Healthcare PPO, Kaiser
  • FSA and HSA options, including Dependent Care Spending
  • Dental & Vision
  • Employer paid Long & Short - Term Disability
  • Employer paid life insurance
  • $75 monthly Remote-Work stipend
  • $360 annual Wellness stipend
  • $200 per year for registration fees for fitness events, races, and marathons
  • Flexible time off
  • 11 company holidays
  • 401k with company matching
  • Paid parental leave
  • Charitable donation matching
  • JustAnswer subscription with access to 12,000 experts in over 700 categories

And let's not forget having fun! Our Minister of Fun organizes weekly pop-up lotteries for prizes, monthly virtual bingo, trivia competitions, photo contests, puzzles, virtual mixed-team lunches, and spirited company-wide challenges!


Remote From these States
Arizona, California, Connecticut, Florida, Georgia, Idaho, Illinois, Indiana, Massachusetts, Michigan, Nevada, New Jersey, New Mexico, New York, North Carolina, Ohio, Oregon, Pennsylvania, South Carolina, Texas, Vermont, Virginia, Washington, West Virginia and Wisconsin.

Pay Transparency
JustAnswer will provide pay transparency information upon application to those in qualifying jurisdictions.       

Our Commitment to Diversity
At JustAnswer, we embrace workplace diversity. We believe that diversity drives richer insights, fuels innovation, and creates better outcomes. We are committed to attracting and developing an engaged and inclusive workforce. Team members from diverse backgrounds and unique perspectives are crucial to the JustAnswer mission of helping all people. Individuals seeking career opportunities at JustAnswer are considered without regard to race, color, religion, national origin, age, sex, marital status, ancestry, physical or mental disability, veteran status, sexual orientation, gender identity, or any other protected status under all applicable laws, regulations, and ordinances.

#LI-REMOTE

Salary : $200 - $360

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