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Tooploox logo
Tooploox

People. Products. Technology.

LLM Engineer – Mid

LLM EngineerMachine Learning EngineerFull TimeRemoteSeniorTeam 51-200Since 2012H1B No SponsorCompany SiteLinkedIn

Location

Poland

Posted

66 days ago

Salary

zł13K - zł20K / month

Seniority

Senior

English

Job Description

LLM Engineer – Mid

Tooploox

• Bridge cutting-edge research and real-world applications by designing and implementing modern LLM fine-tuning and optimization approaches. • Focus on applied research projects including retrieval-augmented systems (RAG), multimodal modeling, and large-scale learning for e-commerce. • Work on algorithms from the idea stage to deployment, building robust experimentation pipelines and evaluation frameworks for production-ready AI. • Interact directly with our partners, collaborating closely with engineering and product teams to bring research prototypes into the eBay ecosystem. • Contribute to Core AI strategy by taking ownership of research components and delivering measurable impact on product-facing systems. • Collaborate with world-class researchers to contribute to technical discussions, documentation, and internal thought leadership.

Job Requirements

  • Strong research foundation in NLP, LLMs, neural architectures, and modern training/fine-tuning methodologies.
  • Team-work attitude with a clear technical communication mindset and the ability to work independently on well-scoped problems.
  • Hands-on coding skills with proven experience in implementing, evaluating, and scaling machine learning models.
  • Data-based problem-solving skills, specifically the ability to translate complex technical work into business impact and quantifiable results.
  • Analytical thinking and a structured approach to solving research challenges.
  • Fluency in English.

Benefits

  • Flexible working hours
  • Professional development opportunities

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