AI Research Engineer

4 days ago


thane, India beBeeResearch Full time

AI Engineer - Language Model SpecialistWe are seeking a highly skilled AI engineer to design, train, and optimize large language models and high-performance inference systems.Design and develop LLM training and inference pipelines on cloud GPUs.Create and manage datasets for pretraining and fine-tuning.Implement and improve transformer architectures (attention, positional encodings, MoE).Optimize inference using FlashAttention, PagedAttention, KV caches, and serving frameworks like vLLM / sglang.Collaborate with research and product teams to design experiments, analyze results, and ship improvements.The ideal candidate should have strong Python skills and solid software engineering practices. Additionally, hands-on experience with LLM training and inference is required. Proficiency in PyTorch or JAX is also essential.Strong understanding of transformer internals: attention, positional encodings, MoE.Familiarity with writing prompts, tool definitions, and managing context for LLMs in real applications (langchain, pydantic, smolagents).Nice to have:RL for LLMs (RLHF, PPO, GRPO).CUDA / GPU kernel or systems-level performance work.Experience with training infrastructure: monitoring, checkpointing, networking / distributed systems.Required SkillsPython Programming and Software Engineering Practices are essential for this role.Transformers: Strong understanding of transformer internals.LLM Training: Hands-on experience with training and inference.PyTorch or JAX: Proficiency in one of these libraries.Nice to HaveReinforcement Learning for LLMs.CUDA/GPU Performance Work.Distributed Systems experience.



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