Embedded Software Engineer

Who we are :

Persimmons is building the infrastructure that will power the next decade of AI. Founded in 2023 by veteran technologists from the worlds of semiconductors, AI systems, and software innovation, We’re on a mission to enable smarter devices, more sustainable data centers, and entirely new applications the world hasn’t imagined yet.

Why join us:

We’re growing fast and looking for bold thinkers, builders, and curious problem-solvers who want to push the limits of AI hardware and software. If you're ready to join a world-class team and play a critical role in making a global impact - we want to talk to you.

What you’ll do:

As an Embedded Software Engineer on our team, you will be responsible for building the embedded software running inside our SoC.

• Design and implement highly parallel software running on multicore systems.
• Design and implement low level software to use systolic arrays, DMAs, interrupts, atomics, and other hardware capabilities.
• Optimize embedded software for high performance leveraging multicore parallelism and memory hierarchies.
• Collaborate with cross-functional teams to design, test, and optimize our hardware and software solutions.
• Stay abreast of industry trends and advancements to ensure our solutions remain competitive and innovative.
• Provide technical leadership across the runtime team, mentoring engineers, and help scale the team as the company grows.

What You Bring To The Table:

• 4+ years of experience in developing software for multi-core systems.
• Knowledge of multi-core architectures, including resource locking techniques and workload partitioning.
• Familiarity with hardware architectures and optimization implications, including memory hierarchies, systolic arrays, DMA engines, and GPU-style parallelism.
• Experience in early board bring-up, low-level debugging, and utilizing JTAG for debugging, alongside working with simulators.
• If you can do the above, you already have strong C/C++ skills.
• BS/MS/PhD degree in Computer Science, Computer Engineering, or related field (or equivalent experience)
• Strong interpersonal, verbal and written communications skills
• Capability to achieve objectives under tight deadlines
• Experience executing tasks while managing competing priorities
• Deep understanding of technology and passion for what you do
• Strong teamwork, specifically a proven ability to effectively guide and influence within a dynamic matrix environment
• Excellent problem-solving skills and the ability to work in a dynamic, fast-paced environment.

• Competitive salary and benefits package.

• Flexible PTO
• 401k