Olanrewaju Samuel Folaranmi

AI Engineer · Full-Stack Developer · Golang & Python

Building LLM-powered products, autonomous agents, and RAG systems that solve real-world problems. 4.5+ years of full-stack depth — now applied to AI-native product development.

About

Full-Stack Engineer with 4.5+ years delivering production web and mobile applications, now specialising in AI Engineering. Currently building LLM-powered products, autonomous AI agents, and RAG systems using LangChain, LangGraph, Python, and Golang. Strong background in fintech, clean architecture, and cloud-ready systems — applying that engineering depth to AI-native product development.

Skills & Tech Stack

AI / ML

  • LangChain
  • LangGraph
  • CrewAI
  • RAG Systems
  • Vector Databases (Pinecone, Supabase pgvector)
  • OpenAI API
  • Gemini API
  • AI Agents
  • MCP
  • Prompt Engineering

Languages

  • Python
  • JavaScript
  • TypeScript
  • Golang

Backend

  • Node.js
  • NestJS
  • REST APIs
  • Microservices
  • System Design

Frontend

  • React
  • Next.js
  • React Native

Databases

  • PostgreSQL
  • MySQL
  • SQLite
  • MongoDB
  • Supabase

DevOps & Cloud

  • Docker
  • AWS
  • CI/CD
  • Railway
  • Render

Work Experience

Golang Developer

Nawo LTD

Jan 2024Present

  • Built scalable Golang backend using clean architecture — covering auth, party sessions, QR flows, wallet, and feed ranking
  • Set up Dockerized environments and CI/CD pipelines, enabling consistent production releases

Full-Stack Engineer

Paybancx LTD

Aug 2021Nov 2025

Paybancx is a Nigerian mobile banking app — wallet management, bill payments, P2P transfers, and AURA-X AI assistant.

  • Shipped production fintech features for payments, onboarding, and financial data flows across web and Android
  • Led end-to-end Android release pipeline on Google Play Store — QA, signing, and staged rollouts

Frontend Engineer

Nawo LTD

Mar 2022Present

Nawo brings Nigeria's iconic money-spraying culture into the digital age — spray money at parties without stress, no mint wahala, no EFCC drama.

  • Developed and shipped React Native mobile features for iOS and Android
  • Led production releases to Apple App Store and Google Play Store across multiple versions

Education & Certifications

Education

B.Sc. Computer Science

University of Jos, Plateau State

Nov 2019 — Aug 2025

Relevant coursework: Software Architecture, Project Management, Distributed Systems

Blockchain Development Program

Blockfuse Labs, Jos

Dec 2025 - Present

Specialisation in Decentralised Applications and Smart Contracts

Certifications

Project Management Professional (PMP)

Certified Database Engineer — CS50, Cambridge

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