Lead ML Engineer: AI Knowledge Systems & Agents

Enfint; Greater London; On-site; GBP 90,000 - 130,000; Full time

Benefits offered by this job

Competitive salary

Startup autonomy

Equal opportunity workplace

Job summary

Spectrum — проект JetBrains по инкубации стартапов — ищет лидера ML/AI для разработки решений в области data ingestion, знания и рассуждений. Вы будете отвечать за архитектуру, внедрение и эскалацию процессов ML/AI в команде.

Требуется более 5 лет опыта в ML/AI системах, включая 2 года на LLMs и генеративном ИИ; сильные навыки Python, промпт-инжиниринга и опыт работы с API OpenAI/Anthropic; отличные коммуникации на английском и русском языках.

Qualifications

• Proven track record as an ML/AI Lead.
• At least five years of experience in ML/AI systems, including at least two years focused on LLMs and generative AI.
• Deep understanding of the LLM ecosystem, including model architectures and fine-tuning approaches.
• Hands-on experience with prompt engineering and LLM pipeline design, including evaluation.
• Experience with agentic frameworks such as LangChain, LlamaIndex, LangSmith, smolagents, or an equivalent.
• Experience with vector databases and retrieval-augmented generation (RAG) patterns.
• Experience deploying and scaling LLM-powered applications using APIs such as OpenAI or Anthropic, or open-source models.
• Strong Python skills.
• Excellent communication skills and ability to explain complex technical concepts to diverse audiences.
• Proficiency in English, both written and verbal.
• Nice to have: Kotlin knowledge, ontologies, knowledge graphs or graph-based reasoning, early-stage startup experience, strategic thinking about product-led AI, background in code analysis, developer tools or software engineering research, experience with multi-agent systems or complex agentic workflows, contributions to relevant open-source projects or publications.

Responsibilities

• Design and build ML/LLM solutions for data ingestion, knowledge extraction, retrieval, and reasoning; Create datasets, metrics, and pipelines that drive measurable system improvements.
• Architect and improve agents for context retrieval, knowledge extraction, and data alignment, including prompt engineering, model selection, and inference optimization.
• Establish MLOps practices covering orchestration, observability, and experiment tracking.
• Collaborate with the engineering team on system design and with JetBrains Research on the research agenda.
• Define hiring criteria, grow the ML team, and shape the ML team culture.

Skills

ML Leadership

LLMs & Gen AI

Python

Prompt Engineering

LangChain

Vector DBs

OpenAI APIs

English Proficiency

Communication

Tools

LangChain

LlamaIndex

LangSmith

smolagents

OpenAI API

Anthropic API

Job description

Spectrum — проект JetBrains по инкубации стартапов — ищет лидера ML/AI для разработки решений в области data ingestion, знания и рассуждений. Вы будете отвечать за архитектуру, внедрение и эскалацию процессов ML/AI в команде.

Требуется более 5 лет опыта в ML/AI системах, включая 2 года на LLMs и генеративном ИИ; сильные навыки Python, промпт-инжиниринга и опыт работы с API OpenAI/Anthropic; отличные коммуникации на английском и русском языках.