Senior NLP/LLM Engineer

Posted 13ds ago

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Job Description

Senior NLP/LLM Engineer developing AI-driven platforms for social discovery. Focused on natural communication and personalized conversational AI experiences.

Responsibilities:

  • Conduct experiments with LLMs and explore different architectures and techniques such as SFT, RLHF, Adapters, LoRA, and related approaches to improve model capabilities
  • Develop and maintain evaluation methodologies and frameworks to measure model quality, accuracy, and user satisfaction using both offline and online metrics
  • Optimize models for inference efficiency, speed, and scalability to meet production requirements
  • Collaborate closely with data scientists, software engineers, and product managers to integrate AI solutions into the product pipeline

Requirements:

  • Strong proficiency in Python and solid mathematical background, including linear algebra, probability, statistics, and optimization
  • Deep understanding of machine learning, deep learning, classical NLP, and transformer-based approaches
  • Hands-on experience with LLMs, including fine-tuning, SFT, LoRA / QLoRA, prompt tuning, prefix tuning, RLHF, DPO, instruction tuning, evaluation, and inference optimization
  • Practical knowledge of numpy, pandas, scipy, scikit-learn, PyTorch, and transformers
  • Experience with serving / inference frameworks such as vLLM, SGLang, or similar tools
  • English level B2+.
  • Nice to have: experience with distributed training, cloud platforms (AWS / GCP / Azure), and/or relevant ML publications

Benefits:

  • REMOTE OPPORTUNITY to work full time
  • Vacation 28 calendar days per year
  • 7 wellness days per year (time off) that can be used to deal with household issues, to lie down and recover without taking sick leave
  • Bonuses up to $5000 for recommending successful applicants for positions in the company
  • 50% payment for professional training, international conferences and meetings
  • Corporate discount for English lessons
  • Health benefits. According to the paychecks, if you are not eligible for corporate medical insurance, the company will compensate you with up to $ 1,000 gross per year per employee. This can be spent on self-purchase of health insurance or on doctor’s fees for yourself and close relatives (spouse, children)
  • Workplace organization. The company provides all employees with an equipped workplace and all the necessary equipment (table, armchair, wifi, etc.) in our offices or co-working locations. In the other locations, the company provides reimbursement of workplace costs up to $ 1000 gross once every 3 years, according to the paychecks. This money can be spent on the rent of the co-working room, on equipping the working place at home (desk, chair, Internet, etc.) during those 3 years
  • Internal gamified gratitude system: receive bonuses from colleagues and exchange them for our merchandise, team building activities, massage certificates, etc.