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Senior NLP/LLM Engineer

Social Discovery Group · Worldwide Mission

New Remote
Remote Senior 🇬🇧 English
Machine Learning Deep Learning Large Language Models SFT RLHF LoRA QLoRA Prompt Tuning Prefix Tuning BERT TF-IDF Vectorization Named Entity Recognition Semantic Similarity Inference Optimization Quantization

Job description

About the role

Social Discovery Group is seeking a Senior NLP/LLM Engineer to advance AI-driven conversational experiences across its global dating platforms. You will lead experiments, evaluation, and optimization of large language models to deliver high‑quality, scalable AI bots.

Key responsibilities

  • Design and run experiments with LLM architectures and techniques such as SFT, RLHF, adapters, LoRA, and QLoRA.
  • Develop and maintain robust evaluation frameworks, tracking offline and online performance, accuracy, and user satisfaction metrics.
  • Optimize model inference for speed and efficiency to meet production scalability requirements.
  • Collaborate closely with data scientists, software engineers, and product managers to integrate AI solutions into the product pipeline.

Required profile

  • Deep understanding of machine learning and deep learning principles, including model validation and loss functions.
  • Strong background in classic NLP techniques (text preprocessing, TF‑IDF, vectorization, classification, NER, semantic similarity).
  • Extensive hands‑on experience with transformer‑based models (BERT, other LLMs) and fine‑tuning methods (SFT, LoRA, QLoRA, prompt/prefix tuning).
  • Familiarity with alignment approaches such as RLHF and DPO, as well as data preparation, instruction tuning, quantization, and deployment.

Required skills

  • Machine Learning
  • Deep Learning
  • Natural Language Processing
  • Large Language Models
  • SFT, RLHF, LoRA, QLoRA, Prompt Tuning, Prefix Tuning
  • BERT and Transformer architectures
  • TF‑IDF, Vectorization, Named Entity Recognition, Semantic Similarity
  • Model Evaluation, Inference Optimization, Quantization, Deployment

What we offer

  • Opportunity to work on cutting‑edge AI for a global social discovery platform.
  • Fully remote work with a distributed team across more than 20 countries.
  • Collaborative environment recognized as a Great Place to Work.

Questions fréquentes

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Published 2 days ago

Expires 1 month from now

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Social Discovery Group

Worldwide Mission