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Fullstack Engineer

icon building Company : Lumenci
icon briefcase Job Type : Full Time

Job Description - Fullstack Engineer

What were looking for



  • 4+ years of relevant software / AI product development experience

  • Hands-on experience building production-grade AI/GenAI applications, not just POCs

  • Strong programming experience in Python

  • Hands-on backend development using FastAPI or similar frameworks

  • Experience building frontend applications using React + TypeScript

  • Hands-on experience with LLMs, GenAI and AI agents / agentic workflows

  • Experience with RAG, including embeddings, vector databases, chunking and retrieval

  • Experience with LangChain, LangGraph or similar AI orchestration frameworks

  • Experience integrating LLM providers/APIs such as OpenAI, Anthropic, Azure OpenAI, Google, Ollama or similar

  • Experience building end-to-end applications frontend, backend, APIs, data layer and deployment

  • Experience working with document-based AI workflows such as PDF, DOCX, Excel or text ingestion

  • Strong understanding of APIs, asynchronous workflows and production debugging

  • Working knowledge of Git/GitHub, Docker, testing and CI/CD



Good to have



  • Experience with vector databases / search platforms such as ChromaDB, Azure AI Search, Pinecone, Weaviate or similar

  • Experience building multi-agent or human-in-the-loop workflows

  • Experience with browser/workflow automation or enterprise integrations

  • Exposure to PostgreSQL / relational databases

  • Experience in LegalTech, patent/IP, enterprise SaaS or other domain-heavy B2B products

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