~/elliot-chin
Software Developer &
Cybersecurity Engineer
Building software, security tooling, and infrastructure for complex networked environments—from web applications to industrial protocols and OT systems.
Industrial cybersecurity
Turning OPC UA traffic from real industrial systems into structured security events for Siemens SINEC Security Monitor.
Zeek · C++ · OPC UA · Wireshark · UAExpert
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Full-stack development
A personal finance application connecting everyday recordkeeping with budgets, savings, recurring bills, and monthly reporting.
Next.js · React · Flask · Python · PostgreSQL
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Collaborative planning
Keeping daily plans, travel companions, maps, and trip expenses together—from the original Excel schedule to an online planner.
Excel · Web application · Calendar & itinerary views
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Working across industrial cybersecurity, network visibility, software systems, and OT infrastructure.
Building full-stack applications, backend services, internal tools, and automation.
Python · C++ · JavaScript · Next.js · React · Flask · REST APIs
Understanding network behavior and turning low-level activity into useful security visibility.
Zeek · Wireshark · Packet analysis · Security monitoring · OpenSSL
Working with industrial protocols, devices, and the networks that connect them.
OPC UA · PROFINET · PLCs · SCADA · Industrial networking
Building and troubleshooting the environments that software and security systems run on.
Linux · Docker · Proxmox · Cisco · Fortinet · VLANs
My work often sits between layers: user interfaces and backend services, the infrastructure beneath them, and the network traffic connecting industrial systems.
I like understanding how those pieces fit together—and building tools that make them easier to analyze, test, and secure.
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