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Lead AI Engineer

Sofia City Province, Bulgaria🌐 Remote💼 Full-time🗓 2025-07-29 → 2026-09-26

Core

Lead the end-to-end development, implementation, and optimization of advanced AI and GenAI systems to solve complex business challenges and enhance user experiences.

Role type

Senior IC Lead AI Engineer (GenAI/LLM)

Builds

Production AI/GenAI systems, LLM integrations, and data-driven modules for enterprise software solutions.

Domain

Enterprise software, Generative AI, Large Language Models (LLMs)

Deliverable

production ML models | product features

Required skills

Transformer-based models (BERT), LLMs (commercial and open-source), prompt engineering (CoT, few-shot, fine-tuning/PEFT), Python, TensorFlow/PyTorch, AWS, Docker, Kubernetes

Preferred skills

Leadership of AI/ML teams, mentoring data scientists, pre-sales technical support

Technologies

Python, numpy, pandas, Scikit-learn, TensorFlow, PyTorch, Spacy, LangChain, LlamaIndex, AWS, Docker, Kubernetes

Responsibilities

Design and deploy advanced AI/GenAI systems; translate business requirements into technical solutions; lead teams of 3-5 engineers; integrate AI modules into larger software solutions; mentor junior staff; validate model robustness and scalability; communicate technical concepts to stakeholders; support pre-sales initiatives

Seniority

Senior, hands-on IC with leadership responsibilities

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