i-Free Group

Middle ML Engineer

Just AICore Development
📍 Saint Petersburg🏢 Office/Remote💼 1-2 yearsFull-time
Tech Stack
PythonPyTorchTensorFlowONNXvLLMLangChainLlamaIndex

Responsibilities

  • Participate in ML research: task analysis, experimentation, preparation for deployment
  • Work on model inference optimization (ONNX, quantization)
  • Participate in improving the automated model training system
  • Support ML models in production: monitoring, problem analysis, optimization
  • Teamwork: code reviews, writing tests, knowledge sharing

Requirements

  • Experience developing ML solutions in Python (1-2 years)
  • Knowledge of PyTorch or TensorFlow
  • Understanding of modern NLP approaches
  • Knowledge of machine learning fundamentals and classical algorithms
  • Strong desire to grow in the NLP field

Nice to Have

  • Experience solving NLP tasks
  • Working with vLLM, ONNX Runtime, TensorRT
  • Familiarity with MLFlow, DVC, ClearML
  • Experience with LangChain, LlamaIndex

Interview Process

    1. HR screening

    2. Technical interview

    3. Final meeting

Duration: 2 недели

What We Offer

  • Access to top language models for work and experiments: GPT, Claude, Gemini, LLaMA, DeepSeek, Qwen, Mistral Large, GigaChat, YandexGPT and more
  • Professional growth and knowledge sharing within the team, with partners, universities and AI communities
  • IT accreditation — the company is in the registry of accredited IT organizations
  • Annual benefit of your choice: health insurance / sports / education compensation
  • Referral program
  • Official employment under Russian Labor Code with 100% sick leave compensation
  • Hybrid work from the Saint Petersburg office or remotely
  • Internal learning: book club, English classes, Just Talks
  • Opportunities within the i-Free Group: 16 IT companies, ~1000 specialists — meetups, knowledge sharing, horizontal growth
  • Corporate culture Just AI DNA: parties, movie nights, sports events, museum visits

Apply for this position

Submit your resume via the Just AI careers page or contact us directly.