Job
- Level
- Experienced
- Job Field
- IT, Software, Security
- Employment Type
- Full Time
- Contract Type
- Permanent employment
- Location
- Bochum
- Working Model
- Onsite
Job Summary
In this role, you will develop compiler technologies to harden builds against exploits and analyze generated binaries. You will work with C++ and Python, as well as integrations into CI/CD systems.
Job Technologies
Your role in the team
- 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 will work across two areas: the compiler itself and the systems and tooling that operate it at fleet scale, with genuine ownership rather than narrow ticket-based tasks.
- You will have a direct line to the founding team, immediate impact on what customers operate, and room to grow from a strong early-career engineer into the owner of a core domain.
- 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.
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Our expectations of you
Education
- Master's degree, or equivalent hands-on experience, in cybersecurity or computer science.
Qualifications
- Vertrautheit mit Python und modernem C++.
- Comfortable reading, assembling, and debugging low-level code on at least one of x86, AArch64, or RISC-V.
- Self-organized and self-driven, with strong personal initiative.
- 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).
- Low-level systems background, spanning embedded, firmware, OS internals, or ELF/PE formats, linkers, and loaders.
Experience
- Hands-on experience with binaries, whether reverse engineering, exploitation, or vulnerability research.
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What we offer
- Work on rare, hard problems where compilers meet binary security, the kind most engineers never get to touch.
- Early-stage equity and competitive compensation on the ground floor.
- Learn directly from a founding team with deep security, compiler, and space-systems pedigree (top-tier security research, DARPA, SpaceX).
- See your work protect real fleets across aerospace, defense, and active conflict zones.
- Based in the Bochum office, with regular collaboration across Germany and the U.S. and the chance to work from or visit the US team.
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Topics You Will Work On
Job Locations
About Your Employer
Variant Security
Variant Security is a company specializing in compiler-based diversification of software to enhance the security of devices. It focuses on security-critical areas such as aerospace, defense, and other essential infrastructures.
Description
- Company Type
- Startup
- Working Model
- Onsite
- Industry
- Internet, IT, Telecommunication
Software Security Compiler Engineer
- Location
- Bochum
- Working Model
- Onsite
- Diversity
- Open for all genders
- English Only
- English only required
