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Case study · Fintech / Algorithmic Trading

AI-Driven Trading Platform with Signal Intelligence

A production algorithmic trading platform combining quantitative signals, real-time news and sentiment analysis via LLMs, and execution management with built-in risk controls.

Client: Confidential fintech clientDuration: 8 monthsTeam: 6 engineers
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Client
Confidential fintech client
Industry
Fintech / Algorithmic Trading
Duration
8 months
Team size
6 engineers
01 / The Challenge
What Confidential fintech client was up against

The client wanted to augment discretionary trading desks with AI-driven signals that could combine structured market data, unstructured news, social chatter, and filings into a single actionable stream — without the hallucinations and blind spots that make most LLM-based trading systems unsafe in production. They also needed a clean separation between research (backtesting, model iteration) and live execution, with hard risk-management guardrails.

02 / The Solution
What we built

We built a two-layer system: a research layer (Jupyter-first, versioned datasets, backtesting engine, walk-forward validation) and a production layer (streaming market data ingest, LLM-powered news and sentiment pipeline, signal aggregator, risk module, broker execution adapter). LLM outputs are always grounded in retrieved source documents, with confidence scores gating whether a signal reaches execution. Circuit breakers, position limits, and daily loss caps are enforced at the execution layer regardless of signal recommendation.

03 / Outcomes

What shipped

~200ms
Signal-to-execution latency
15+
Data sources unified
100%
Signals audit-trailed to source
24/7
Market coverage with failover
Stack we used
OpenAIAnthropic ClaudepgvectorPolygon / market data APIsPythonRust (execution)TimescaleDBRedisAWS
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