Independent developer working on AI development infrastructure, distributed systems, protocol design, and applied quantitative finance. My work spans long-horizon agent workflows, consensus-level infrastructure, and trading systems, with a focus on building things that are correct, verifiable, and grounded in real constraints rather than abstraction.
Selected work
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mandrel (open source, Apache-2.0) β a protocol for long-horizon AI coding: task-scoped work, selective project memory, and deterministic control outside the model. β GitHub β Β· project overview β Β· full write-up β
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Orch-Hub (closed-source) β a multi-repository orchestration platform for coordinating AI coding agents across concurrent worktrees, with dependency-aware workflows, approval gates, and real-time execution visibility. β project overview β
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QuantX (closed-source) β a Go-based quantitative trading platform: systematic strategies with backtest-to-live parity and a research loop that combines human-defined priors with AI-assisted exploration. β project overview β
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HKChain (closed-source) β a compliance-native Layer 1 for stablecoin issuance and RWA tokenization, aligned with Hong Kong's regulatory framework. Designing protocol-level compliance enforcement and governance. β project overview β
π qinglin89.github.io Β· βοΈ qinglin8927@gmail.com

