Data Scientist - CS Chatbot (SFT)

Binance; Remote; GBP 60,000 - 80,000; Full time

Job summary

A leading blockchain ecosystem is seeking a highly skilled professional to develop innovative AI solutions for enhancing customer service scheduling. The role involves optimizing scheduling systems, conducting research, and refining Large Language Models (LLMs). With a focus on AI technologies and strong collaboration skills, the ideal candidate will have a Master’s degree in Computer Science and relevant experience in deep learning/NLP and chatbot development. This position offers competitive salary and remote work options.

Benefits

Competitive salary

Work-from-home arrangement

Career growth opportunities

Qualifications

• 2+ years in deep learning/NLP, including practical LLM work.
• Experience in prompt engineering and multi-agent LLM workflows.
• Strong coding practices and good communication skills.

Responsibilities

• Own the full LLM pipeline from data preparation to production usage.
• Design and optimize prompts for model utility and safety.
• Build and maintain Retrieval-Augmented Generation QA/search systems.
• Develop evaluation pipelines for prompt and model quality.

Skills

Prompt engineering

Deep learning

Natural Language Processing (NLP)

AI solutions development

Chatbot experience

Education

Master’s degree in Computer Science or related field

Tools

LLM services

RAG systems

Multi-agent architectures

Job description

Binance is a leading global blockchain ecosystem behind the world’s largest cryptocurrency exchange by trading volume and registered users. We are trusted by over 280 million people in 100+ countries for our industry-leading security, user fund transparency, trading engine speed, deep liquidity, and an unmatched portfolio of digital-asset products. Binance offerings range from trading and finance to education, research, payments, institutional services, Web3 features, and more. We leverage the power of digital assets and blockchain to build an inclusive financial ecosystem to advance the freedom of money and improve financial access for people around the world.

We are seeking a highly skilled professional to join our team, focusing on advancing customer service scheduling optimization through innovative AI solutions. This role involves researching and implementing cutting-edge algorithms to enhance scheduling systems, leveraging business domain knowledge to elevate the impact of AI products. The successful candidate will develop and refine Large Language Models (LLMs) to extract actionable insights, improve business decision-making, and optimize prompt design for more accurate outputs. Additionally, the role includes creating scalable and robust LLM/RAG frameworks tailored to customer service scheduling, fostering innovation and maintaining a competitive market edge.

The Ideal expert possess at least 2 years in CS Chatbot, with 3-5 years experience in LLM.

Responsibilities

• Own the full LLM pipeline from data preparation to production real case usage.
• Design, iterate and optimize prompts (zero-/few-shot, chain-of-thought, tool-calling, etc.) to maximize model utility and safety across products and languages.
• Build and maintain Retrieval-Augmented Generation (RAG) QA/search systems that connect to multi-source knowledge bases.
• Familiar with vLLM/SGLang inference architectures and have proven experience deploying and operating LLM services on multi-GPU or cluster environments.
• Design, implement and operate multi-agent LLM architectures (e.g. LangGraph, CrewAI, AutoGen) including task decomposition, agent orchestration, memory sharing and tool-calling workflows.
• Develop evaluation pipelines (automatic metrics & human feedback) to measure prompt and model quality, bias, and hallucination rates.
• Collaborate with product and CS teams to integrate AI models into conversational Chatbot in different scenarios.
• Track cutting-edge research, author tech blogs, and keep improve current architecture.

Requirements

• Master’s degree or higher in Computer Science, Data Science or related field..
• 2+ years of deep-learning/NLP experience, including 1+ year practical LLM work (SFT, DPO, RAG, quantization, inference optimization, etc.).
• Demonstrated prompt engineering & tuning expertise (few-shot design, structured prompting, prefix-/p-tuning, reward re-ranking, safety filtering).
• Practical experience building and deploying multi-agent LLM workflows, with understanding of agent-orchestrator patterns, shared memory, long-horizon planning and guard-rail design.
• Clean coding practices, good English communication skills, and a passion for rapid learning.
• Excellent self-driven and ownership with good deliverables.
• Eager to learn, be curious about AI new technologies
• Good communication and collaboration skills

Why Binance

• Shape the future with the world’s leading blockchain ecosystem
• Collaborate with world-class talent in a user-centric global organization with a flat structure
• Tackle unique, fast-paced projects with autonomy in an innovative environment
• Thrive in a results-driven workplace with opportunities for career growth and continuous learning
• Competitive salary and company benefits
• Work-from-home arrangement (the arrangement may vary depending on the work nature of the business team)

Binance is committed to being an equal opportunity employer. We believe that having a diverse workforce is fundamental to our success.

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