Senior Software Engineer, Processor Software Stack

Ubitium

. Develop the processor software stack, including compiler, mapping tools, low-level tooling, simulation and debug infrastructure .

Posted 9/18/2026full-timeKarlsruhe • GermanySeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in developing processor software stacks, including compiler development, low-level tooling, and real-time signal processing. Proficient in C, C++, and Python, with a solid understanding of system-on-a-chip design and hardware/software architecture.

Highest-signal resume keywords

C ProgrammingModern C++ (C++17/20, STL, Boost)PythonCompiler DevelopmentSignal Processing

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Bare-Metal Software DevelopmentFirmware DevelopmentOS-Level Software DevelopmentLow-Level ToolingSimulation and Debug InfrastructureReal-Time Constraints OptimizationHardware TestingAlgorithmsMicroarchitectureAgentic Programming

Certifications & Qualifications

Master's Degree

Industry Keywords

System-On-A-Chip DesignProcessor ArchitectureMicroarchitectureRTLEmbedded SoftwarePerformance AnalysisNumerical ComputationML Inference

Tech Stack

Tools & technologies

PythonC++

About the role

Key responsibilities & impact

Develop the processor software stack, including compiler, mapping tools, low-level tooling, simulation and debug infrastructure
Write bare-metal, firmware and OS-level software for the RISC-V SoC
Implement and optimise signal-processing and inference kernels under real-time constraints
Bring up, test and port software on pre-silicon platforms and silicon
Develop and execute low-level hardware tests
Work in a close feedback loop with hardware designers

Requirements

What you’ll need

Strong C, modern C++ (C++17/20, STL, Boost) and Python
Solid foundation in algorithms and hardware/software system architecture
Experience working close to the hardware
Good understanding of system-on-a-chip design, processor architecture and microarchitecture
Some familiarity with RTL and hardware design
Experience with agentic programming
Deep expertise in at least one of: compiler development and code generation; low-level tooling, simulation and performance analysis; low-level embedded or systems software, operating systems and real-time; signal processing, numerical computation and ML inference
Master's degree (or equivalent experience)
10+ years of relevant experience
Relocation required
Currently 4 days on-site and 1 day remote; policy may change

Benefits

Comp & perks

Competitive salary plus stock options
30+ days of paid vacation
Relocation support
Full German social security and universal healthcare
A modern office
Free snacks, coffee, and drinks
Space to grow: pick up new skills, dig into areas that interest you, and shape your own path
Hands-on experience with real implementations of AI and signal processing
Inclusive team where different perspectives are valued