Oyediji Yinka
@oyedijiyinkajaphet
I build production agentic AI and backend systems (RAG, LangGraph, LLMs) that measurably improve workflows.
NigeriaWhat I'm looking for
I build and ship AI systems that solve real problems and show real results. Most of my work is agentic—RAG pipelines, LangGraph agents, and FastAPI backends—deployed with Docker on AWS, with results like workflows around 90% more efficient and customer churn cut by up to 80%.
I’m comfortable across the stack: Python and PyTorch, plus PostgreSQL, Neo4j, and Redis. I came into AI from mining engineering, so I’m used to turning messy real-world data into something people can actually use, and I work well in remote, distributed teams.
In my current AI / Backend role, I build production AI agents end to end—from the agent loop and RAG retrieval to evaluation and deployment. I’ve shipped a RAG email agent with human-in-the-loop approval (around 90% more efficient email handling), an AI customer support agent that cuts churn by up to 80%, and a voice assistant that pairs RAG with speech-to-text and text-to-speech.
Experience
Work history, roles, and key accomplishments
AI / Backend Engineer
Jonkub AI Services
Nov 2025 - Present (8 months)
Built production AI agents end to end (agent loop and RAG retrieval) with LangGraph, LLMs, and FastAPI, deployed via Docker on AWS. Implemented a RAG mail responder that improved email handling efficiency by ~90% and an AI support agent that cut customer churn by up to 80%.
Mining Engineer
Geocardinal Engineering Services Limited
Dec 2024 - Present (1 year 7 months)
Developed ML models for ore-grade estimation and dispatch decision support, validating performance with RMSE, MSE, and MAE. Built automation tools including a Twilio-powered WhatsApp licence-tracking agent, replacing ~15 hours/week of manual tracking and reducing missed renewal deadlines to ~15 minutes/week.
Environmental Mining Consultant
Ministry of Environment and Mineral Resources
Nov 2023 - Jul 2024 (8 months)
Oversaw mining activities for health, safety, and environmental compliance. Conducted environmental impact assessments and provided practical mitigation recommendations.
Mining Engineer Intern
Slava Bogu Nigeria Limited
May 2021 - Nov 2021 (6 months)
Supported the planning team with pit design and scheduling and supervised drilling, loading, haulage, and ore processing with a strong focus on safety using ML data analysis.
Education
Degrees, certifications, and relevant coursework
Federal University of Technology, Akure
Bachelor of Engineering, Mining Engineering
2016 - 2023
Earned a B.Eng in Mining Engineering at Federal University of Technology, Akure from 2016 to 2023.
Availability
Location
NigeriaAuthorized to work in
Salary expectations
Social media
Job categories
Skills
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