Senior NLP Engineer

Jetlyn is looking for a Senior NLP Engineer to develop and enhance NLP/LLM models, design services based on language models, and optimize inference processes.

• •Develop and fine-tune NLP/LLM models: embeddings, generation, RAG approaches.
• •Explore new architectures, conduct experiments, and perform A/B tests.
• •Design and develop services based on language models: assistants, intelligent search, document and code generation.
• •Optimize inference and implement models in production together with ML and backend teams.
• •Work with data: preprocessing, vectorization, organizational storage of knowledge bases.

• •Experience in fintech or corporate ecosystems is a plus.
• •Work with Hadoop (Hive, PySpark), Greenplum, PostgreSQL.
• •Understanding of LLM integration into business processes.
• •Experience working in cross-functional teams.

• •3+ years of commercial experience in NLP/LLM.
• •Strong mathematics: ML, statistics, probability theory.
• •Python + DS stack: pandas/polars, numpy, scipy, scikit-learn.
• •Experience with PyTorch, Transformers, sentence-transformers, LangChain / LangGraph / LlamaIndex.
• •Experience with models Qwen, DeepSeek, Llama, Mistral; SFT, LoRA, QLoRA, prompt-tuning.
• •Skills in Docker, Kubernetes, CI/CD.
• •Ability to configure and optimize RAG pipelines.