Freelance full-stack engineer.
Platforms, apps, bots, games and the infrastructure behind them, for startups and established companies alike. This blog covers those projects: how they were built and what they taught me.
Currently available for new projects · roan.merens@gmail.com
Next.js · React · React Native · TypeScript · Node.js · PostgreSQL · MongoDB · Docker · AWS
Writing
Onsight: prediction markets made social
The full stack of a prediction-markets trading suite: a Telegram bot that trades Polymarket gaslessly, Discord monitors, and a heavy emphasis on securing user funds.
Xeet: scoring signal in a sea of noise
Frontend and backend for a gamified creator platform on top of X: leaderboards, brand tournaments, and a reputation engine at a scale of around 144k connected accounts.
Drip: three years of scaling community rewards
Three years on a Discord-native rewards platform with hundreds of thousands of users, where I worked across the bot, backend, frontend, infrastructure, and support.
Franky GO: an onchain idle RPG
A browser-based pixel-art idle RPG on Abstract. Season 1: 39,000+ players, 682,716 games, 100+ ETH in revenue over seven weeks.
Failsafe: crypto inheritance without seed phrases
A dead-man's switch for crypto on Stellar, with passkeys instead of seed phrases. Built in three days at Consensus Toronto 2025, where it won the Stellar track.
Final Bosu: engineering a three-day NFT reveal
The reveal site for an 8,888-piece collection that sold out in six minutes: a staged, three-day experience instead of a one-shot metadata flip.
Baseline: crypto over a phone call
We built a voice assistant that gives anyone a wallet by dialing a phone number, and won the grand prize at the ETHDenver 2025 hackathon.
Q8 app: integrating EV charging with ChargePoint
My part in Q8's relaunched mobility app via AE: the EV charging integration with ChargePoint, in an app rated 4.8 stars across the Benelux.
Mijn Magazines: polishing Roularta's digital newsstand
My internship via AE: helping perfect Roularta's rebuilt digital newsstand, with 30+ magazine brands in one app, shipped bi-weekly to 100k+ readers.