Principal AI Engineer

About Us
Established in March 2018, Bybit is one of the fastest growing cryptocurrency derivatives exchanges, with more than 70 million registered users. We offer a professional platform where crypto traders can find an ultra-fast matching engine, excellent customer service and multilingual community support. We provide innovative online spot and derivatives trading services, mining and staking products, as well as API support, to retail and institutional clients around the world, and strive to be the most reliable exchange for the emerging digital asset class.

Our core values define us. We listen, care, and improve to create a faster, fairer, and more humane trading environment for our users. Our innovative, highly advanced, user-friendly platform has been designed from the ground-up using best-in-class infrastructure to provide our users with the industry's safest, fastest, fairest, and most transparent trading experience. Built on customer-centric values, we endeavour to provide a professional, 24/7 multi-language customer support to help in a timely manner.

As of today, Bybit is one of the most trusted, reliable, and transparent cryptocurrency derivatives platforms in the space.

Job Overview
This role is a core member of Bybit’s AI team, covering both LLM Application Engineering and Personalized Recommendation Systems. You will participate in the algorithm development of Bybit’s flagship AI product TradeGPT, lead end-to-end optimization of the recommendation system, and directly drive platform user growth and trading experience improvement through algorithmic capabilities.

Responsibilities
1. LLM & AI Agent Direction

• Responsible for core AI algorithm development and iteration of Bybit’s AI Agent application TradeGPT

• Integrate mainstream AI platforms (OpenAI, Anthropic, Google Gemini, open-source models, etc.) and build a unified model access layer

• Build a Prompt Engineering framework to continuously improve model output quality and stability

• Design and implement a RAG knowledge base retrieval system to support accurate Q&A and decision assistance in financial scenarios

• Participate in AI product architecture design and technology selection, driving the team’s overall AI engineering capability growth

2. Recommendation System Direction

• Responsible for recommendation system algorithm development, covering the full pipeline of recall, ranking, and re-ranking

• Build user and asset profiles, mining user trading behavior and interest features

• Focus on cutting-edge directions (LLM + recommendation, sequential recommendation, multi-objective optimization) to drive technical implementation

• Design A/B testing experiments and continuously improve recommendation performance metrics through data-driven approaches

Requirements
Basic Qualifications

• 3+ years of software engineering experience, including 1+ year of AI/ML related project experience

• Strong Python skills, familiar with mainstream AI frameworks such as LangChain and LlamaIndex

• Hands-on experience with LLM API integration (OpenAI / Claude / Gemini, etc.)

• Understanding of RAG architecture and vector databases (Pinecone, Weaviate, Qdrant, etc.)

• Familiar with machine learning fundamentals (LR, GBDT, DNN), with complete experience in feature engineering and offline training + online serving

• Good engineering practices: code quality, unit testing, CI/CD standards

Preferred Qualifications

• Experience with model fine-tuning (Fine-tuning / LoRA / RLHF)

• Familiar with MLOps toolchains (MLflow, Weights & Biases, etc.)

• Experience in Agent / Multi-agent system development

• Experience with big data processing (Spark / Hive / Flink)

• Understanding of AI safety and Responsible AI practices

• Experience with cloud platform AI services (AWS / GCP / Azure)

• Previous algorithm experience in finance, cryptocurrency, or trading scenarios is a plus

Why Join Us
At Bybit, we are committed to fostering a supportive and enriching work environment. 
Our benefits include:
- Study Growth Fund: We support your professional development and continuous learning.
- Internal Events: Participate in regular team-building activities, workshops, and events designed to promote collaboration and innovation.
- Global Collaboration: Be part of a diverse, international team, working alongside colleagues from around the world.
- Career Advancement: Access opportunities for growth and advancement within a rapidly expanding global company.
- Internal Mobility: Grow with us- Your long-term development is important to us. We offer internal job opportunities to help build your career path.