Deadline / pressure
The product needed to turn a complex funded-account model into a clear 15-minute experience while keeping live-market behavior, game rules, risk controls, and release operations aligned.
← BACK TO ARCHIVE
FLAGSHIP BUILD
Size
Situation
A production fintech game that turns trading evaluation into a fast, transparent, skill-based product experience.
Product built
Size is a simulated, skill-based trading game built around 15-minute Trials on live market prices. Players compete across crypto, stocks, commodities, and indices; winning a Trial unlocks a simulated funded Life, with eligible profit paid as conditional cash payouts. The product combines a real-time multi-asset terminal, mission-based scoring, account progression, risk controls, wallet and authentication flows, public documentation, and verifiable proof surfaces.
Team role
Product architecture, team assembly, frontend and backend implementation, real-time market systems, product UX, infrastructure, and coordinated release execution.
Result / proof
Built a distinct multi-asset product with fast Trials, simulated funded Lives, public rule and proof surfaces, and a production platform spanning marketing, application, API, and operations.
Technical risk
- Synchronizing low-latency market data across concurrent Trials
- Keeping scoring fair across changing live-market conditions
- Enforcing drawdown, eligibility, and payout rules consistently
- Coordinating frontend, backend, workers, infrastructure, and releases
Build notes
- 15-minute, three-round Trials on live market prices
- Skill-based scoring against market-matched AI opponents
- Multi-asset terminal spanning crypto, stocks, commodities, and indices
- Keys and Lives account progression system
- Public rules, reserve, and payout proof surfaces
- Separate marketing, authenticated app, API, and release-control systems