Job Description
Are you ready to shape the future of Artificial Intelligence?
Nexus AI Systems is on a mission to revolutionize how humans interact with machine intelligence. As we expand our Generative AI initiatives for 2026, we are seeking a visionary Senior AI Engineer (LLM Architect) to lead our technical strategy.
In this role, you will design and deploy cutting-edge Large Language Models (LLMs) that power the next generation of enterprise applications. You will work in a high-performance environment, collaborating with world-class researchers and engineers to push the boundaries of Natural Language Processing (NLP).
Why Join Us?
- Work on projects that define the AI roadmap for 2026.
- Competitive compensation and equity packages.
- Top-tier healthcare and flexible remote-first policies.
- Access to the latest hardware and cloud infrastructure.
Responsibilities
- Design, train, and fine-tune large-scale foundation models using PyTorch and TensorFlow.
- Architect and implement Retrieval-Augmented Generation (RAG) pipelines to enhance model accuracy and reduce hallucinations.
- Optimize model inference performance and reduce latency for real-time applications.
- Collaborate with data scientists to curate high-quality datasets and implement RLHF (Reinforcement Learning from Human Feedback).
- Stay abreast of the latest research in LLMs, Transformers, and multi-modal AI architectures.
- Mentor junior engineers and conduct code reviews to maintain high engineering standards.
Qualifications
- PhD or Master’s degree in Computer Science, Mathematics, or a related field (or equivalent practical experience).
- 5+ years of experience in Machine Learning, Deep Learning, or NLP.
- Strong proficiency in Python, C++, and GPU programming (CUDA).
- Experience with Hugging Face Transformers, LangChain, and vector databases (Pinecone, Milvus).
- Proven track record of deploying production-grade AI models at scale.
- Deep understanding of transformer architectures and attention mechanisms.
- Excellent problem-solving skills and communication abilities.