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AI/ML Engineer

Spark Tek · NYC · Hybrid

Weak hiring record · median 94 days open

100100

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AI/ML Engineer at Spark Tek. We’ll keep it in your applied jobs, so you can see it later and be warned before applying to the same employer twice.

AI/ML Engineer

Location: Hybrid – NYC/Chicago, IL.

3 Months – Till Dec 31

Required Qualifications

  • 7+ years in software engineering or applied ML building real-world AI/ML systems; strong Python proficiency and backend development expertise.
  • Hands-on experience building GenAI apps with LangChain and LangGraph, including agent design, state/memory management, and graph-based orchestration.
  • Proficiency in ML/NLP and generative models; experience with embeddings, vector stores, RAG, and LLM integration/fine-tuning (OpenAI, LLaMA, Cohere, etc.)
  • Strong coding in Python and experience with frameworks/tools such as FastAPI, PyTorch/TensorFlow, MLflow; solid understanding of software engineering fundamentals and secure development.
  • Experience with AI agent frameworks and MCP; familiarity with agent observability (LangSmith/LangFuse) and agentic RAG patterns

Track record of delivering scalable, production AI systems and collaborating across teams.

  • Experience with agent frameworks (AutoGen, CrewAI), tool-use ecosystems, and advanced planning/reasoning strategies
  • Knowledge of cloud platforms (AWS), MLOps, and data pipelines; React.js familiarity is a plus.
  • Exposure to enterprise environments and secure, compliant deployments

Key Skills

  • Programming: Python; backend APIs (FastAPI)
  • AI/ML: ML/NLP, generative AI, embeddings, model evaluation
  • Frameworks: LangChain, LangGraph; plus LlamaIndex, PyTorch, TensorFlow, MLflow
  • Architectures: RAG, Transformers, OCR
  • Agents: Design and orchestration, memory/state management, tool integration; MCP and agent-to-agent protocols
  • Observability: LangSmith/LangFuse for agent monitoring

Skills

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