
AI/ML Engineer
Spark Tek · NYC · Hybrid
Weak hiring record · median 94 days open
All reasons
In its favour
- Still listed on the employer's own board
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
- Machine Learning
- Python
- Generative AI
- LangChain
- LangGraph
- NLP
- Embeddings
- Retrieval-Augmented Generation
- LLM
- OpenAI
- Llama
- Cohere
- FastAPI
- PyTorch
- TensorFlow
- MLflow
- Model Context Protocol
- LangSmith
- Langfuse
- AutoGen
- CrewAI
- AWS
- MLOps
- React
- LlamaIndex
- Hugging Face Transformers
- OCR
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