Senior C++ Systems Engineer - High-Performance Linux

Activate; San Leandro, Northern (CA, KY); Hybrid; USD 150,000 - 230,000; Full time

Job summary

SirenOpt in San Leandro, CA is seeking a Senior / Staff Software Engineer to design and build high-performance C++ and systems software for our manufacturing intelligence platform. You will ensure reliability, performance, and scalability on Linux in production-like environments.

Collaborate with firmware, hardware, and application teams across the full product lifecycle, read and extend Python tooling, and contribute to architecture reviews, code quality, and robust deployments on customer

Qualifications

• Bachelor's or Master's degree in Computer Science, Computer Engineering, Electrical Engineering, or a related field.
• 5+ years of professional software development experience (Senior) or 8+ years (Staff).
• Strong proficiency in modern C++ (C++17/20).
• Working knowledge of Python to read, understand, maintain, and modify existing Python code.
• Strong experience developing software on Linux.
• Strong understanding of OS concepts, memory management, multi-threading and concurrency, software architecture, performance optimization.
• Excellent debugging and problem-solving skills.
• Experience using Git and modern software development workflows.

Responsibilities

• Design, develop, and optimize high-performance software using modern C++ (C++17/20).
• Develop scalable, reliable, and maintainable software for Linux-based systems.
• Design multi-threaded and asynchronous software architectures.
• Analyze, profile, and optimize software performance across CPU, memory, storage, networking, and I/O.
• Read, understand, maintain, and enhance existing Python code used for automation, testing, and data analysis.
• Collaborate closely with firmware, hardware, and application engineering teams.
• Participate in software architecture, technical design, and code reviews.
• Debug complex system-level issues across software and hardware boundaries.
• Take ownership of software components throughout the product development lifecycle.

Skills

Modern C++ (C++17/20)

Python

Linux

Multi-threading

Performance optimization

Debugging

Git workflows

Education

Bachelor's or Master's in CS/CE/EE or related

Tools

Git

CMake

GDB

Perf

Valgrind

Job description

SirenOpt in San Leandro, CA is seeking a Senior / Staff Software Engineer to design and build high-performance C++ and systems software for our manufacturing intelligence platform. You will ensure reliability, performance, and scalability on Linux in production-like environments.

Collaborate with firmware, hardware, and application teams across the full product lifecycle, read and extend Python tooling, and contribute to architecture reviews, code quality, and robust deployments on customer