Data platform · 2025
TraderMind: market analysis platform
A platform that streams live market data and lets analysts build their own view of it, engineered for latency and for the moments when the feed misbehaves.
The problem
What was actually hard
Financial interfaces are unforgiving. A chart that lags by two seconds is worse than no chart, and a silent disconnect that leaves stale prices on screen is genuinely dangerous. The engineering problem is not the analytics; it is the connection.
What we did
How it was built
Streaming architecture with honest failure states
WebSocket connections with heartbeat, automatic reconnect and an unmistakable stale-data indicator. If the feed drops, the screen says so rather than showing an old number as if it were current.
Rendering tuned for continuous updates
Charts redraw at a fixed budget with data batched between frames, so the interface stays responsive while prices move.
Analytics as a separate service
The Python analysis layer runs independently of the presentation layer, so heavy computation never blocks the interface.
Configurable, saved workspaces
Analysts arrange their own panels and layouts and get them back on the next login.
Outcome
What shipped
Described rather than quantified, we only publish numbers a client has signed off in writing.
- Real-time streaming market data with reconnect handling and explicit stale-data indication.
- A separated Python analytics service behind a responsive front end.
- Per-user saved dashboard layouts.
More work
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Have a project like this?
A 20-minute call, then a written scope with a fixed price and dates. Free, and we sign a mutual NDA first if you want one.