> Markdown version of [/jobs/ext/2303491-senior-c-developer](https://www.wearedevelopers.com/jobs/ext/2303491-senior-c-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Senior C++ Developer

- **Company:** HAYSTACK MOBILE TECHNOLOGIES, LLC
- **Location:** United States (Remote available)
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** C++ (Programming Language), CentOS, Protocol Stack, Cyber Security, Debian Linux, Distributed Systems, OSI Models, Network Layer, Linux Kernel, Linux System Administration, Network Programming, Routing, Packet Analyzer, Open Shortest Path First (OSPF), Open Systems Interconnection (OSI), Build Management, Iptables
- **Published:** August 30, 2026
- **Apply:** https://arc.dev/remote-jobs/j/redirect/pg4dobgwga

## About the Role

* Genuine depth in network programming with C and C++.
 * Strong working knowledge of Layer 3 OSI protocols, low-level packet analysis, and routing.
 * Experience with OSPF, TAP/TUN devices, UDP tunnelling, UDP hole punching, STUN technologies, IPTables, and packet routing strategies.
 * Proficiency in code threading, multitasking, IPC, shared-memory communication, and Linux kernel-level development.
 * 10+ years of experience designing, architecting, and developing sophisticated C++ systems (depth of expertise is key).
 * Comfort operating in Linux environments (Debian, CentOS, embedded variants) and understanding of cryptography and distributed systems.

## Description

* Design and build low-level, network-centric C and C++ engineering focusing on OSI Layers 2 and 3.
 * Develop technology for secure cloud-to-edge communication, device-to-device authentication, and decentralised routing across millions of industrial edge devices.
 * Influence architectural decisions, solve complex networking problems, and contribute to critical security infrastructure.
 * Work within a small, specialist engineering team where your contributions will have a significant and visible impact.
 * Operate deep in the network stack, focusing on packet behaviour, routing, and tunnelling strategies.


## Related Videos

- [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker)
- [Creating a routing app with Google Maps API from scratch](https://www.wearedevelopers.com/videos/831-creating-a-routing-app-with-google-maps-api-from-scratch)
- [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers)
- [Embracing the Hybrid Cloud: Unlocking Success with Open Source Technologies](https://www.wearedevelopers.com/videos/883-embracing-the-hybrid-cloud-unlocking-success-with-open-source-technologies)
- [A Technical Introduction to Bitcoin's 2nd Layer- The Lightning Network](https://www.wearedevelopers.com/videos/15-a-technical-introduction-to-bitcoin-s-2nd-layer-the-lightning-network)
- [Reducing LLM Calls with Vector Search Patterns - Raphael De Lio (Redis)](https://www.wearedevelopers.com/videos/1714-reducing-llm-calls-with-vector-search-patterns-raphael-de-lio-redis)

## Related Articles

- [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again)
- [9 Ways to Make Money Hacking](https://www.wearedevelopers.com/magazine/333-9-ways-to-make-money-hacking)
- [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers)
- [The 10 C++ programming questions to expect in an interview](https://www.wearedevelopers.com/magazine/50-the-10-c-programming-questions-to-expect-in-an-interview)
- [Fullstack developer salary in Germany [2023]](https://www.wearedevelopers.com/magazine/197-fullstack-developer-salary-in-germany-2023)
- [Dev Digest 134 - Where pixels sing?](https://www.wearedevelopers.com/magazine/477-dev-digest-134-where-pixels-sing)