Data scientist (AI Agents & LLMs)

up to 5000 usd
English: B2+
Years: 5 + commercial experience​​​​​​​

About the Role
We are seeking a Data Scientist focused on AI Agents and LLMs to design and implement intelligent agent systems powered by large language models, vector knowledge bases, and RAG pipelines. You will build chatbots, automation agents, and enterprise-level AI solutions that enhance decision-making, drive efficiency, and unlock new opportunities.

Key Responsibilities

• Develop and deploy AI agents based on LLMs (chatbot systems, RAG pipelines, multimodal agents).
• Build and optimize vector knowledge bases for semantic search and personalized recommendations.
• Design prompts, orchestrate agent workflows, and optimize chain-of-thought execution.
• Integrate LLM-based solutions into business processes and customer-facing products.
• Build intelligent chatbots for customer support, internal automation, and data analysis.
• Visualize insights and prepare analytical reports for leadership.
• Research new advancements in LLMs, AI agents, and agent operating systems

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Requirements

• Master’s degree in Computer Science, AI, or related fields.
• Strong programming skills in Python, experience with ML frameworks (PyTorch, Hugging Face).
• Proven experience in building LLM-powered applications and chatbots.
• Hands-on experience with multi-agent Langchain framework.
• Expertise with vector databases (Pinecone, Weaviate, Milvus, etc.).
• Proficiency in prompt engineering and RAG pipeline development.
• Familiarity with MLOps practices (AWS SageMaker, Bedrock, Google Cloud).

Bonus

• Experience with n8n, Dify or similar agent frameworks.

Tech Stack
Python, Hugging Face, Langchain, LLMs (GPT, LLaMA, Claude, etc.), Vector DBs, Graph DBs, Prompt Engineering, RAG, MLOps (AWS, GCP),n8n.

Joining Valletta Software Development means:

🌍 A Global, Thriving Team
Join 100+ specialists from 20+ countries, united by a passion for outstanding
IT solutions.
🚀Diverse projects: Fintech, MedTech, AI/ML, e-commerce, and more. Switch
teams or industries to broaden your skills.
💡 Support at Every Step Client interview prep: We train you to succeed + give actionable feedback.
✔️ Strategic stability: Well-structured processes, strong management, and long- term vision.
✔️ Core values: Honesty, flexibility, innovation, and a people-first approach.
💸 Regular salary review based on your personal results
✨ Paid rest days and sick leaves.

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В настоящее время мы в поиске Data Scientist (AI Agents & LLMs)

Работать предстоит в международной команде, поэтому знание английского от В2 необходимо.

Требования:

- Высшее образование в области компьютерных наук, математики, статистики или смежной дисциплины.

- Опыт работы на позиции Data Scientist от 5 лет.

- Отличные навыки программирования на Python, опыт работы с фреймворками машинного обучения (PyTorch, Hugging Face).
- Подтвержденный опыт разработки приложений и чат-ботов на базе LLM.
- Практический опыт работы с многоагентным фреймворком Langchain.
- Знание векторных баз данных (Pinecone, Weaviate, Milvus и др.).
- Умение быстро инжиниринга и разработки конвейера RAG.
- Знакомство с практиками MLOps (AWS SageMaker, Bedrock, Google Cloud).

Приветствуется:

-Опыт работы с n8n, Dify или аналогичными агентными фреймворками.

P.S. При отклике в сопроводительном письме укажите, пожалуйста, информацию:

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