Backend AI Engineer

Company: Mintlify, Inc.
Location: San Francisco
Posted on: May 3, 2025

Job Description:

Mintlify empowers builders worldwide.We're on a mission to empower builders. We're looking for self starters to join our fast moving founding team. Our customers include the fastest growing AI companies such as X, Anthropic, Cursor, Perplexity, Scale AI, alongside 7000+ other companies.We raised our Series A last summer backed by a16z and BCV. We're reaching 70m+ developers every year. And we're proud of our history, being one of the most popular products used by YC companies.We grew in value faster than headcount and we're looking to align the two in the coming year.Who is an employee at Mintlify?People that are excited to grow as humans alongside us as a company.We always . We believe in high learning velocity and grit.People who think beyond their work scope."Where else can I be impactful?" "Oh, I know how to do that! How can I help?"Not uncommon to hear in our office.People who appreciate diversity. Our company collectively speaks 12 languages. We're full of introverted extroverts.Characters are welcome here - be unapologetically you!Who is an engineer at Mintlify?Engineers at Mintlify appreciate a high degree of ownership, are passionate about a tasteful user experience and come to work ready to contribute to a small-but-mighty team.You'll have plenty of heads down builder time. We believe in the power of strong teams to drive change - and have created an environment where the best ideas win and we can acknowledge when we're wrong.For this role particularly, we are looking for a software engineer with deep experience in LLM fine-tuning, RAG systems, and AI automations.About the roleThis role will work closely with the founding team. The nature of the work will evolve rapidly in the fast-moving environment but will involve:

• Backend software engineering & infrastructure engineering to support the AI and agentic flows
• RAG/data ingestion pipelines
• Prompt engineering
• Model performance and evalsOur interview process
  • Culture interview (30-min video call): We're looking to learn about you, your skills and experience, and your motivation to join our team.
  • Technical interview (take-home, 1 week to complete, 2 hours total): No LeetCode! Real-world problem solving in our coding environment. We try and make it fun.
  • Debugging interview (1-hour live w/ one of our engineers): 4 bugs. 1 hour. Are you up to the test?
  • Founder interview (1-hour): Meet with Han or Hahnbee! AMA at the end.
  • On-Site (half-day): A technical round, lunch - get to know the team, behavioral round, spec assessment - we present you with a problem and ask you to write up a solution for it (no code).
  • Offer: cue confetti! Dandelion Chocolate on us come Week 1!Company Benefits:Competitive compensation and equity - Flexible work culture20 days paid time off every year - Health, dental, vision401k or RRSP - Free lunch and dinners$420/mo. wellness stipend - Annual team offsite
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Keywords: Mintlify, Inc., North Highlands , Backend AI Engineer, Engineering , San Francisco, California