Software Engineering for the Arm Ecosystem

Deep expertise across Windows and Linux — from drivers and kernels to modern UIs.

Hear it from our Partners

"Day Devs’ team imbibed the true spirit of collaborative engineering, which is a core tenet of Linaro’s efforts in the Arm ecosystem. Working on open-source software in the Windows on Arm space, the Day Devs team collaborated with multiple partner companies and contributed to a shared codebase with the singular goal of improving performance tools in the Windows on Arm space."
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Lina Iyer, Director @ Linaro

"To accelerate the growing momentum of the Windows on Arm ecosystem, Arm has partnered with Day Devs to deliver cutting-edge performance analysis tools for the Windows on Arm ecosystem. Day Devs brings deep technical expertise in low-level systems and performance optimisation, ensuring precise and powerful tools. Their proactive approach drives rapid innovation, while their collaborative mindset fosters seamless integration with the Arm ecosystem."
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Manoj Iyer, Engineering Director @ Arm

What we do

We're here to help you with your software development needs.

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Kernel & Driver Development

We operate at the intersection of hardware and operating systems — building and debugging kernel components, developing high-performance drivers, and ensuring seamless integration on Arm platforms.

Tools Development

From performance profiling to build automation, we deliver robust, production-ready tools that enhance developer productivity and system insight.

Staffing & Recruitment

We help companies scale effectively by sourcing top-tier technical talent — from low-level systems engineers to full-stack developers — with deep expertise in Arm platforms, Windows internals, and performance optimisation.

Performance Optimisation

We identify and address performance bottlenecks across the stack — from low-level code improvements to full system tuning — to ensure efficient, responsive applications and drivers on Arm platforms.

GUI Integration

We translate complex back-end functionality into intuitive, user-facing interfaces — ensuring a smooth and polished experience.

Ecosystem & Migration Work

We support partners in porting, optimising, and modernising their applications for Windows on Arm, enabling broader compatibility and long-term sustainability.