> Markdown version of [/jobs/ext/1383176-compiler-software-engineer](https://www.wearedevelopers.com/jobs/ext/1383176-compiler-software-engineer). 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).

---

# Compiler / Software Engineer

- **Company:** Variant Security
- **Location:** Bochum, Germany
- **Contract:** Permanent contract
- **Skills:** Artificial Intelligence, CMake, Continuous Integration, Software Debugging, Firmware, Fuzz Testing, Python (Programming Language), Reverse Engineering, Reduced Instruction Set Computing, Information Technology, C++14, Vulnerability Analysis
- **Published:** July 22, 2026
- **Apply:** https://www.adzuna.de/details/5809420844

## About the Role

Must-haves:

 * Master's degree, or equivalent hands-on experience, in cybersecurity or computer science
 * Hands-on experience with binaries, whether reverse engineering, exploitation, or vulnerability research
 * Familiarity with Python and modern C++
 * Comfortable reading assembly and debugging low-level code on at least one of x86, AArch64, or RISC-V
 * Self-organized and self-driven, with strong personal initiative

Nice-to-haves:

 * Prior work on compilers like Clang/LLVM or IR-level transformations
 * Familiarity with binary analysis tooling such as Ghidra, IDA, or Binary Ninja
 * Knowledge of exploit mitigations (ASLR, CFI, stack canaries, DEP)
 * CTF, pwn, or fuzzing experience (AFL, libFuzzer)
 * Low-level systems background, spanning embedded, firmware, OS internals, or ELF/PE formats, linkers, and loaders

## Description

As a Compiler Engineer, you'll build and own the compiler technology at the core of Variant's product, turning cutting-edge diversification into something that ships. You'll work across two areas, the compiler itself and the systems and tooling that run it at fleet scale, with real ownership rather than narrow ticket work. You'll have a direct line to the founding team, immediate impact on what customers run, and room to grow from a strong early-career engineer into the owner of a core domain. Variant Security is securing the world's critical fleets for the AI era. Today nearly every device runs identical software, so a single exploit can cascade across an entire fleet of satellites, drones, vehicles, and defense systems, and AI has made finding that one exploit cheaper than ever. Variant breaks that pattern, so compromising one device gives an attacker nothing against the rest and no single failure can bring down the fleet. AI made exploits cheap, and we make them useless, already
protecting systems across aerospace, defense, and active conflict zones.

Tasks

 * Develop and extend compiler passes that harden builds against exploitation
 * Reverse engineer and analyze the generated binaries to validate transformations
 * Measure security and performance impact across x86, AArch64, and RISC-V targets
 * Build tooling in modern C++ and Python, and integrate the compiler into CMake and customer CI/CD


## Related Videos

- [Code to Road in < 12 hours](https://www.wearedevelopers.com/videos/1082-code-to-road-in-12-hours)
- [Playing Pong on a shoulder press machine](https://www.wearedevelopers.com/videos/100140-playing-pong-on-a-shoulder-press-machine)
- [Security Blindspots and How to Learn About Them - Anna Oliveira](https://www.wearedevelopers.com/videos/1754-security-blindspots-and-how-to-learn-about-them-anna-oliveira)
- [Agent Smith Gets Hardware: Autonomous IoT Hacking From Debug Port to Cloud API](https://www.wearedevelopers.com/videos/100258-agent-smith-gets-hardware-autonomous-iot-hacking-from-debug-port-to-cloud-api)
- [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers)
- [Passive ARM Assembly Skills for Debugging, Optimization (and Hacking)](https://www.wearedevelopers.com/videos/1083-passive-arm-assembly-skills-for-debugging-optimization-and-hacking)

## Related Articles

- [9 Ways to Make Money Hacking](https://www.wearedevelopers.com/magazine/333-9-ways-to-make-money-hacking)
- [Dev Digest 138 - Are you secure about this?](https://www.wearedevelopers.com/magazine/486-dev-digest-138-are-you-secure-about-this)
- [Dev Digest 134 - Where pixels sing?](https://www.wearedevelopers.com/magazine/477-dev-digest-134-where-pixels-sing)
- [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers)
- [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline)
- [Dev Digest 131 - AI'm not sure about OSS](https://www.wearedevelopers.com/magazine/472-dev-digest-131-ai-m-not-sure-about-oss)