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Opkey

Posted 27 Aug 2026

LLM Engineer

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Employment
Full time
Team
Data Science & Analytics
Posted
27 Aug 2026

About the role

Responsibilities:

  • Design, develop, and implement advanced LLM applications using state-of-the-art models and techniques.
  • Lead research initiatives in Retrieval-Augmented Generation (RAG) systems, improving the accuracy and efficiency of information retrieval and generation.
  • Conduct experiments on training and fine-tuning large language models for specific domains and tasks.
  • Collaborate with cross-functional teams to integrate LLM solutions into production systems.
  • Research and apply modern computer vision techniques, including object detection and generative models.
  • Transform unstructured data into structured formats for effective model training and analysis.
  • Develop and test interfaces for mobile applications, including analysing screenshots, visual features, and debugging bugs visually.
  • Stay up-to-date with the latest advancements in LLMs, NLP, computer vision, and deep learning, and apply new techniques to ongoing projects.


Requirements:

  • 1+ years of experience in NLP, deep learning, and building LLM applications.
  • Experience with modern computer vision techniques, such as object detection and generative models.
  • Expertise in structuring unstructured data for model training and analysis.
  • Hands-on experience with testing and debugging visual features in mobile app interfaces using screenshots.
  • Publication record in top-tier AI conferences (e. g., NeurIPS, ICML, ACL, EMNLP) is a plus.
  • Strong programming skills in Python, with experience in deep learning frameworks such as PyTorch or TensorFlow.
  • Extensive experience with transformer-based models (e. g., BERT, GPT, T5) and their applications.
  • Demonstrated expertise in developing RAG systems and improving their performance.
  • Proficiency in training and fine-tuning large language models, including techniques like few-shot learning and prompt engineering.
  • Strong background in NLP techniques, including text preprocessing, tokenisation, and embedding methods.
  • Familiarity with MLOps practices and tools for model versioning, experiment tracking, and deployment.
  • Excellent problem-solving skills and ability to think creatively about AI solutions.
  • Strong communication skills and ability to explain complex technical concepts to both technical and non-technical audiences.
  • Experience with efficient training techniques for large models, such as distributed training and mixed-precision training.
  • Knowledge of model compression techniques, including quantisation and distillation.
  • Familiarity with ethical AI practices and bias mitigation in language models.
  • Experience with multi-modal models combining text with other data types (e. g., images, audio).
  • Contributions to open-source NLP or LLM projects.

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