princekay
Ai / Ml Engineer · Smart Contract Security Researcher
ML engineer who ships production LLM systems (RAG, fine-tuning, multi-agent) and audits the protocols that move the money. 20 competitive-audit payouts with 7 High and 13 Medium severity findings across Sherlock, Code4rena, Cantina and CodeHawks. Active DeFi user (Binance, Bybit, liquidity provision). Fluent English and Russian.
Experiece: 6 months
Yearly salary: $40,000
Hourly rate: $40
Nationality: 🇳🇬 Nigeria
Residency: 🇳🇬 Nigeria
Experience
Machine Learning Engineer
VK 2025 - 2025
Built a feature-extraction pipeline over 750k+ behavioural records (temporal, device, geo) and shipped a production Random Forest gender-prediction model (81.7% accuracy, 88.7% AUC) serving 75,000+ users for ad targeting.
ML Engineer
LLime 2024 - 2024
Built LoRA fine-tuning pipelines for LLaMA 7B serving 10,000+ daily requests; deployed RAG chat assistants (LangChain + vector DBs) scaling to 5,000+ users; cut email spam classification 35% via an ML deliverability system.
Undergraduate Research Assistant
PFUR 2023 - 2024
PEFT research under Assoc. Prof. Salpagarov; experiment tracking (MLflow), model serving (BentoML), hourly data pipelines. Two publications.
ML Engineer / Tech Lead
Varsityscape (ScapeAI) 2022 - 2024
Led an LLM-powered course-creation platform with RAG pipelines (+40% completion, +25% engagement); built a drift-monitored ML pipeline (−40% retraining time); deployed LLMs on GCP behind FastAPI services.
Skills
python
rust
solidity
ai
english
russian