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Fractal

NFT marketplace for blockchain gaming assets

Lead AI Engineer - Generative AI & Agentic AI

AI Application Engineering +1Confirmed live in the last 24 hours
Full-timeNo salary listedIn-person

About the Job

Requirements

  • 10+ years of overall experience in software engineering, AI/ML engineering, or related technology roles.
  • Strong hands-on development experience in Python, with software engineering and system-design fundamentals.
  • Strong understanding of machine learning, generative AI, and large language models.
  • Demonstrated experience building and deploying generative AI and large language model applications into production.
  • Hands-on experience with retrieval-augmented generation, embeddings, vector search, prompt engineering, large language model orchestration, and AI agents.
  • Experience designing agentic AI workflows, including tool/function calling and complex or multi-agent orchestration.
  • Experience with at least one major large language model ecosystem, such as OpenAI, Azure OpenAI, Anthropic Claude, or Google Gemini.
  • Strong understanding of REST APIs, microservices, distributed systems, databases, and enterprise application architecture.
  • Hands-on experience with at least one major cloud platform: AWS, Azure, or GCP.
  • Experience with large language model evaluation, monitoring, observability, responsible AI, and guardrails.
  • Ability to independently own the technical architecture and implementation of complex AI solutions.
  • Experience mentoring engineers and influencing engineering or architecture decisions.
  • Bachelor’s or Master’s degree in Computer Science, Engineering, Artificial Intelligence, Data Science, or a related quantitative/technical discipline.

Responsibilities

  • Architect, build, and productionize AI/ML and generative AI solutions for complex enterprise use cases.
  • Design and develop large language model-powered applications using retrieval-augmented generation, AI agents, tool/function calling, orchestration, and multi-agent workflows.
  • Build scalable AI services and backend applications using Python, REST APIs, and microservices architectures.
  • Design end-to-end retrieval-augmented generation architectures incorporating embeddings, vector search, retrieval, reranking, and enterprise knowledge sources.
  • Develop AI applications using frameworks such as LangChain, LangGraph, Semantic Kernel, and LlamaIndex or equivalent.
  • Work with large language model platforms such as OpenAI, Azure OpenAI, Anthropic Claude, and Google Gemini or equivalent.
  • Design and implement practices for large language model evaluation, observability, guardrails, security, latency, and cost optimization.
  • Build AI/ML pipelines covering experimentation, deployment, monitoring, and continuous improvement.
  • Integrate AI solutions with enterprise applications, APIs, databases, data platforms, and cloud services.
  • Evaluate emerging AI models, frameworks, and technologies and translate them into practical enterprise solutions.
  • Drive technical design discussions and contribute to architecture decisions across AI platforms and products.
  • Establish engineering best practices for building secure, scalable, and maintainable AI applications.
  • Mentor engineers and provide technical leadership across AI engineering initiatives.
  • Partner with product managers, data scientists, architects, and business stakeholders to convert business problems into scalable AI solutions.

Desired Qualifications

  • Experience with knowledge graphs, ontologies, semantic layers, or GraphRAG.
  • Experience with MLOps/LLMOps, model serving, CI/CD, and AI observability platforms.
  • Experience with vector databases such as Pinecone, Weaviate, Milvus, pgvector, or Redis.
  • Experience with fine-tuning, model adaptation, and open-source large language models.
  • Experience with AI security, governance, privacy, and enterprise AI architecture.
  • Hands-on exposure to PyTorch, Hugging Face, LangGraph, LangChain, and Semantic Kernel or similar frameworks.
  • Experience leading small engineering teams or mentoring senior engineers.
  • Understanding of data engineering, streaming, distributed data processing, and modern cloud data platforms.
  • Strong academic background, preferably from a premier engineering/technology institution, with a demonstrated record of academic and technical excellence.

About the Company

Fractal

NFT marketplace for blockchain gaming assets

Fractal.is operates a blockchain-based marketplace for gaming NFTs where developers can list games and in-game assets and players can buy, sell, and trade unique digital items. The platform supports minting and secondary sales of NFTs, with transactions generating revenue through commissions. It emphasizes community engagement through channels like Discord and Twitter to drive listing activity and user retention. Compared to others, Fractal.is specializes in the gaming sector, aggregating multiple games and assets under one marketplace, and focuses on building a connected metaverse ecosystem for developers and gamers. Its goal is to grow a active, trusted marketplace that enables true ownership of digital assets and vibrant participation in the gaming/NFT space.

Company size
1-10
Company stage
Seed
Total funding
$35.2M
Headquarters
San Francisco, CA
Founded
2021

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