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CoreStory

AI-powered platform for legacy code modernization

AI Engineer

AI Application EngineeringConfirmed live in the last 24 hours
Full-timeRemote in USANo salary listed

About the Job

Requirements

  • 7+ years of overall engineering experience with at least 3+ years of experience in AI engineering, machine learning, or applied natural language processing
  • Strong hands-on experience with LlamaIndex, LangChain, or similar orchestration frameworks
  • Experience designing and implementing vector database solutions (e.g., Pinecone, Neo4j, FAISS, Milvus, Weaviate)
  • Solid understanding of LLM APIs (OpenAI, Anthropic, Mistral, Hugging Face, etc.)
  • Proficiency in Python, with experience in libraries such as FastAPI, Pandas, or NumPy
  • Understanding of retrieval-augmented generation (RAG) patterns, embeddings, and tokenization
  • Familiarity with prompt engineering, tool calling, and chat agent architectures
  • Strong problem-solving and analytical mindset, with attention to performance and scalability
  • Demonstrated interest in staying up-to-date with the fast-evolving AI landscape

Responsibilities

  • Design, implement, and optimize LLM-powered systems (e.g., RAG, chat agents, summarizers, knowledge graph integration)
  • Build and manage data indexing and retrieval pipelines using LlamaIndex, LangChain, or similar frameworks
  • Implement and maintain vector databases (e.g., Pinecone, Neo4j, Weaviate, Chroma, or Azure Cognitive Search)
  • Integrate open-source and proprietary LLMs (e.g., GPT, Claude, Llama) into the CoreStory Platform
  • Develop and refine AI-driven features — including generative insights, automated summarization, and narrative analytics
  • Collaborate with DevOps and backend teams to deploy scalable AI services within CoreStory’s cloud infrastructure
  • Continuously benchmark model performance, latency, and cost, identifying opportunities for optimization
  • Stay current with advancements in AI — from model architectures to emerging frameworks — and propose innovative applications aligned with CoreStory’s mission
  • Contribute to internal documentation, experimentation frameworks, and evaluation methodologies

Desired Qualifications

  • Experience deploying AI services in production (e.g., using Docker, Azure, or AWS)
  • Exposure to LangGraph, semantic search, or hybrid RAG systems
  • Familiarity with knowledge graphs, document intelligence, or multimodal AI
  • Previous experience in SaaS or early-stage startup environments

About the Company

CoreStory

AI-powered platform for legacy code modernization

CoreStory delivers an AI-powered code intelligence platform that helps large enterprises modernize aging legacy software. It reverse engineers complex codebases to produce an Intelligence Model that captures business requirements, system relationships, and developer intent, creating a single source of truth when documentation is missing. The platform can process up to 100,000 lines of code in minutes and translate them into business requirements, user stories, and architectural documentation. It integrates with AI coding assistants to improve work on legacy apps. CoreStory targets Fortune 500 companies and other large organizations to accelerate modernization, reduce risk, and lower the cost and time of projects that historically take 18 months or more. Key use cases include legacy modernization, application maintenance and extension, managing technical debt from AI-generated code, and speeding developer onboarding.

Company size
11-50
Company stage
Series A
Total funding
$32M
Headquarters
Berkeley, CA
Founded
Not listed

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