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Software Developer - Physical Security Systems

Tech Systems Inc. (TSi)

3.7
5 reviews
Tech Systems Inc. (TSi)
Job Type   /   Job Level
Full-time   /   Others/Any
Job Location
Georgia, United States
Salary Range
USD 80,000 - USD 120,000 (Annually)
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The Work

You'll build and extend internal web applications used daily by a large corporate physical-security operation: live and recorded video from thousands of cameras, credential and access management, incident and audit tooling. Real production software with real operators depending on it. The portfolio spans a modern React stack on one system and a lean vanilla-JS video platform on another — plus the APIs, databases, and Windows infrastructure underneath both.

How We Work

  • AI-first. We plan with LLMs, generate with LLMs, and hold the human bar at review, verification, and judgment. Agentic tooling isn't an experiment here — it's how the work gets done.
  • Fail fast. A working prototype against the real system beats a design meeting. We build the quick version, learn from it, throw away what doesn't survive contact, and keep what does.
  • Velocity over ceremony. Small team, short cycles, frequent releases to real users. Ideas go from conversation to running in production in days, not quarters — and the feedback loop with the people using it is direct.


Who We're Looking For

Someone genuinely obsessed with AI — not as a resume keyword, but as the thing you spend your nights and weekends on anyway.

  • You build with AI agents daily. Claude Code, Cursor, Codex, or your own scaffolding — you've moved past chat-and-paste into agentic workflows, and you can articulate what you delegate, what you never delegate, and how you catch the model being confidently wrong.
  • You've set up agents yourself. Wired up tool use, MCP servers, automations, pipelines — anything where a model does real work unattended and you had to make it reliable.
  • You tinker. A homelab, self-hosted services, local models on your own GPU, scripts automating your own life — we want theperson who builds things nobody assigned them.
  • You have a portfolio. Personal projects, a GitHub that shows activity, a blog, demos — finished, working things you can point at. This matters more to us than years of experience, and early-career candidates are explicitly welcome.
  • You're self-driven. Small team, lots of autonomy. You'll get problems, not tickets — and you'll be expected to chase them down, form your own hypotheses, and ship without someone standing over you.
  • You follow the field. If Karpathy's "Software 2.0," spec-driven development, or the latest agent architectures are things you've actually practiced rather than just read about, you'll fit right in.


The Stack

Core — you should be able to get productive here quickly:

  • JavaScript/TypeScript across the full stack
  • Node.js APIs (Express, REST, JWT/session auth)
  • Modern React (Vite, component libraries like MUI, React Query, Tailwind)
  • SQL — schema design and queries; we run both SQL Server and PostgreSQL


Bonus — any of these move you up the list, none are required:

  • Windows Server, IIS, PowerShell
  • Active Directory / LDAP, enterprise SSO
  • Video and streaming: RTSP, ffmpeg, H.264, MSE/WebCodecs
  • ML in practice — we already run in-browser face detection, and there's plenty of room for more
  • Physical security domain experience (VMS, access control) — learnable; the mindset above is what we're hiring for


How To Apply

Skip the cover letter. Send:

  • Links to your stuff — portfolio, GitHub, homelab writeup, demos. Whatever best shows what you build when nobody's asking.
  • A short writeup (one page max) on one project where AI did most of the typing: how you and the model built it, and how you caught it.
  • Your resume, one page.
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