Full Stack Engineer
Tradepal AI · Remote
- Engineering across the stack on the product platform.
Available to workStephen
Stephen
Ekundayo
Freelance fullstack engineer shipping web apps, AI workflows and on-chain systems — first commit to production.
Currently
Tradepal AI
Full Stack Engineer
Dahcrown Technologies
Founder — Fullstack Engineer
- Years shipping
- 4+
- Chains built on
- 4
- Stack ownership
- Full
Daily stack
All tools →Next.js
React
TypeScript
Node.js
MongoDB
Solidity
Docker
Prisma
NestJS
Python
Redis
MySQL
AI journal
Latest · Day 10
Finale — Agents and the state of AI
01 — About
Building products end-to-end
I build products end to end: React and Next.js up front, Node and Python behind, smart contracts on-chain. Small teams, clear ownership, MVP to production.
Web3 impact
Shipped on Ethereum, Base, Solana and TON.
AI work
Agents and pipelines with LangChain and Google ADK.
Ways of working
Tested contracts, clear ownership, production-ready.
02 — Experience
Where I've shipped
- Apr 2026 — Present
- Mar 2025 — Present
Founder — Fullstack Engineer
Dahcrown Technologies · Nigeria · Remote
- Wallet-gated file storage on IPFS, with quotas tied to token balances.
- Property tokenisation backend with custodial wallets for easy onboarding.
- Tested escrow contracts for a credit fintech product.
- Telegram community platform for token holders.
Next.js · NestJS · Solidity · ethers.js · IPFS
- Jun 2024 — Mar 2025
Fullstack Web3 Developer
TapTrader · Remote
- Telegram trading bot across Solana, Ethereum, Base and TON.
- Real-time trade execution backend with Uniswap and Raydium routing.
- Multi-chain swap integrations, 1,000+ test transactions.
- Transaction verification jobs on Redis and BullMQ.
NestJS · Redis · BullMQ · Solidity
- Nov 2024 — Feb 2025
Fullstack Developer
ExamcompassNG · Remote
- Frontend for auth, permissions, dashboard and sessions on an existing backend.
Vite · TypeScript
- Feb 2022 — Mar 2023
Fullstack Engineer
Motiv8 Technologies · Minna, Niger
- Rebuilt the company site from WordPress to custom code.
- Android medical app prototype.
- Exam automation with plagiarism checks.
Kotlin · Python · Django · scikit-learn
03 — Projects
Selected builds
01 · In progress
Proxima
Chat rooms and voice calls for everyone on the same network. Peer-to-peer audio, no internet required.
Next.jsSocket.ioWebRTCSQLite
02 · In progress
Excalibur
Multi-agent email fraud detector: sender checks, link inspection and scam patterns matched with RAG.
PythonGoogle ADKRAGPinecone
03 · October 2025
PDF Retrieval Augmented Generation
An AI-powered document indexing and retrieval tool that turns large PDF corpora into a queryable knowledge base.
TypeScriptVertexAILangChain
04 · October 2025
Fake Voice: Text to Speech
A user interface that automates the generation and download of voice-over scripts through the ElevenLabs API.
TypeScriptLangChainNext.jsElevenLabs
04 — Stack
Tools I reach for
- Languages
- TypeScriptPythonJavaScriptHTML/CSSSolidity
- Frameworks
- ReactNext.jsNode.jsNestJSExpressHonoFlask
- Tools & Data
- GitDockerJestVitestPrismaDrizzleMongoDBPostgreSQLRedisLangChainLangSmith
05 — Credentials
Education & certifications
Degree
B.Eng. Mechatronics Engineering
Federal University of Technology, Minna
Niger State, Nigeria
Quickstart: LangGraph Essentials
TypeScript — LangChain
Project: Deep Research with LangGraph
LangChain
Getting Started with DevOps AWS
AWS
06 — Collaborate
Have a product to ship?
DeFi MVP, AI workflow or full-stack platform — I'll own it from idea to production.