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# Software Engineer III

- **Company:** Ngrok Inc.
- **Location:** New York, NY, United States (Remote available)
- **Experience:** Expert
- **Salary:** $202,500.0 - $247,500.0
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), C++ (Programming Language), Software Debugging, Open Source Technology, Remote Infrastructure Management, Datadog, Data Logging
- **Published:** September 4, 2026
- **Apply:** https://startup.jobs/software-engineer-iii-senior-agent-ngrok-inc-9638316

## About the Role

* You've built systems-level software that had to work under pressure
 * You're comfortable in Go, Rust, C/C++, or Java (bonus points for Go)
 * You enjoy debugging things that "shouldn't be possible"
 * You think deeply about reliability, security, and performance
 * You can reason about tradeoffs and explain them like a normal human
 * You care about developer experience - not just correctness

Extra credit if you've worked on:

 * Networking, proxies, or agents
 * SDKs or embeddable runtimes
 * Observability tooling
 * Open-source systems people actually use, All candidates must be US-based, and legally authorized to work in the United States.

## Description

The Agent must be fast, correct, and predictable under hostile conditions: flaky networks, broken configs, expired certs, overloaded laptops, CI environments held together by duct tape, and production traffic that does not care about your feelings., * Build the next-generation ngrok agent: The agent's architecture has recently undergone a significant redesign. You'll build on that foundation to ship a class of features (networking, integrations, remote management) that weren't possible before.

 * Own reliability at the edge: You'll design for latency, throughput, and correctness under real-world chaos-network partitions, transient failures, misconfiguration, and resource-constrained machines. When something goes wrong, the Agent should fail clearly, safely, and explainably.
 * Develop SDKs and embeddable integrations: You'll build and maintain SDKs and embedded agent components that other systems and products depend on. These need to be easy to integrate, hard to misuse, and stable over time.
 * Make the system observable: You'll improve diagnostics, logging, and metrics so we can understand what the Agent is doing in the wild. When customers ask "what happened?", you'll help make sure we can answer with facts instead of guesses.
 * Ship software that runs everywhere: The Agent runs on developer laptops, servers, CI systems, containers, and occasionally very questionable hardware. You'll ensure it behaves consistently across platforms and environments.
 * Work with people who care about correctness: You'll collaborate closely with product, platform, and support teams. When something breaks, you'll help explain why. When something is confusing, you'll help make it boring.


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