Simulated trading engineer role

A startup founder just posted for a founding engineer who needs two things that rarely show up in the same job listing: backend systems chops and actual trading experience. The role is tied to a product built around simulated trading with prop-firm style rules, not a normal brokerage app or a generic finance dashboard. (x.com) That combination tells you what the product probably is. It is software that lets traders buy access to a challenge, trade in a simulated account, and get judged by hard rules like profit targets, daily loss caps, and maximum drawdown. (proptradingsoftware.net, ebsfintech.com) A prop firm is short for proprietary trading firm. In the modern online version, the company usually does not hand a stranger real money on day one; it first makes that trader pass an evaluation with fixed rules and then shares profits if the trader qualifies. (proptradingsoftware.net, ebsfintech.com) The engine behind that model is mostly backend work because every trade has to be checked against the rulebook in real time. The software has to track open profit and loss, daily profit and loss, drawdown, resets, account progression, and rule violations without letting edge cases slip through. (github.com, ebsfintech.com) That is why “real trading experience” matters in a way it would not for a payments app. A trader knows how trailing drawdown changes behavior, how slippage and latency can trigger disputes, and how one ambiguous rule can turn into hundreds of support tickets and payout fights. (stacktrading.com, ebsfintech.com) The business model is unusual enough that product decisions are really risk decisions. Industry guides describe challenge fees as a primary revenue stream, with typical prices ranging from about $50 to more than $1,000, and pass rates often sitting around 5% to 15% depending on how strict the rules are. (proptradingsoftware.net) That means a small change in one rule can change the whole company. If a startup loosens drawdown limits or shortens the path to a funded account, more users may convert, but more users may also reach the payout stage. (proptradingsoftware.net, ebsfintech.com) The “gamified” part is not a side feature. These firms often turn trading into a ladder with phases, resets, unlocks, and account-size progression, like moving from a practice league into the majors. (github.com, ebsfintech.com) You can already see how crowded and experimental this corner of fintech has become. One simulator on GitHub advertises phase-based evaluations and progression from $25,000 to $1 million, while a newer firm called Stack Trading markets a 24-level path from a simulated combine to payroll employment and larger notional exposure. (github.com, stacktrading.com) So the job post is not just one startup hiring one engineer. It is a snapshot of a niche where founders want people who understand market structure, trader psychology, and distributed systems at the same time, because the product is basically a rule-enforced game that only works if the ledger, the incentives, and the trading logic all agree every second. (x.com, ebsfintech.com)