Full Stack Engineer
Tradepal AI · Remote
- Engineering across the stack on the product platform.
Stephen EkundayoFullstack engineer
Web and mobile apps, AI tools and smart contracts for founders and teams. Designed, built and shipped to production.
Now shipping Banter, Proxima and Ticker
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
In testingBanter
The group chat for your guest list. Guests join by QR with just a name, share photos, polls and games, and it all disappears when the night ends.
React Native · Expo · NestJS
banter.dahcrown.devIn developmentProxima
Chat rooms, voice rooms and leader alerts for everyone at your event. One machine runs it; everyone else joins from a browser. No internet needed.
Next.js · Socket.io · WebRTC
proxima-tawny-sigma.vercel.appIn developmentTicker
Tap-to-pay fares for buses and keke, starting in Niger State. A commuter app, a validator app for conductors, and dashboards for fleets and the state.
React Native · NestJS · Next.js
landing-page-production-5b02.up.railway.appOther builds
Excalibur
Multi-agent email fraud detector: parses an email, checks the sender's domain and matches it against known scams.
Python · Google ADK · RAG · Pinecone
In development
PDF Retrieval Augmented Generation
Turns large PDF collections into a knowledge base you can query.
TypeScript · VertexAI · LangChain
October 2025
Fake Voice: Text to Speech
Generates and downloads voice-over scripts through the ElevenLabs API.
TypeScript · LangChain · Next.js · ElevenLabs
October 2025
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.