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Embedded Systems Engineering

We design and build the software that powers your devices

Deep expertise in bare-metal and RTOS based firmware.
The engineer you meet is the one who writes your code.

Delivery from architecture to production, with trusted specialists brought in when projects need additional scale.

/dev/ttyACM0/
ASSERTION FAIL [foo == 0xF0CACC1A] @ ZEPHYR_BASE/app/src/main.c:367
Something went really wrong!
r0/a1: 0x00000004 r1/a2: 0x0000016f r2/a3: 0x00000000
r3/a4: 0x00000000 r12/ip: 0x00000000 r14/lr: 0x00000a6d
xpsr: 0x61000000
Faulting instruction address (r15/pc): 0x00009fe4
>>> ZEPHYR FATAL ERROR 4: Kernel panic
Current thread: 0x20000414 (main)
Halting system
DJLABS: Firmware issues? We can help!

Why engineering teams choose DJLabs

We're not generalists. Embedded systems is all we do — and we do it at every layer of the stack.

Deep Embedded Expertise

bare-metal, FreeRTOS, ThreadX, NuttX, Zephyr RTOS — we work at the level your product needs, from bootloader to application.

Engineer-to-Engineer

You talk directly to the senior engineer writing your firmware — not account managers, not project coordinators. Clear technical communication from the person doing the work.

Architecture to Delivery

From system architecture to production firmware. We own the full embedded software lifecycle and deliver code that ships.

Regulated Industry Experience

We build software that passes audits and ships to market.

Honest Communication

Direct access to the engineer doing the work. Clear technical updates, honest timelines, and straight answers.

Shipping Code, Not Slides

We prioritize working firmware over polished presentations. Pragmatic decisions that balance technical quality with the only metric that counts — does it ship.

Core Services

Full-stack embedded software engineering, from silicon to application layer.

Embedded Software Development

Full-stack embedded software from architecture to production.

RTOS Development

Zephyr, FreeRTOS, and NuttX development for real-time systems.

BSP & Board Bring-Up

Board support packages and fast hardware bring-up for custom boards.

Device Driver Development

RTOS and bare-metal drivers for custom peripherals and sensors.

Embedded Architecture Consulting

System architecture, technology selection, and design review.

Embedded Security

Secure boot, firmware signing, and hardware security module integration.

Industries We Serve

Deep experience across regulated and performance-critical sectors.

Medical Devices

Embedded software for medical devices, diagnostics, and digital health — IEC 62304 compliant.

Industrial Automation

Embedded control systems for factory automation, process control, and industrial IoT.

Automotive

Embedded software for automotive ECUs, ADAS, and connected vehicle systems — ISO 26262 experience.

Internet of Things

Connected embedded systems for IoT products, edge computing, and wireless sensor networks.

Robotics

Embedded control software for robots, autonomous systems, and motion control.

Consumer Electronics

Embedded software for smart home devices, wearables, and connected products.

How We Engage

Flexible models that adapt to where you are in your product journey.

Project-Based

Fixed-scope projects with clear deliverables and milestones, led by a senior engineer who owns the outcome — with trusted network specialists brought in when needed.

Embedded Engineering Partner

A senior embedded engineer integrated with your team on an ongoing basis — the same person, every sprint. Trusted specialists brought in when your project needs additional scale.

Advisory

Architecture reviews, technology selection, and technical due diligence from a senior engineer who has made these decisions before and lived with the consequences.

Technical Expertise

Technologies, platforms, and standards we work with daily.

Zephyr RTOS FreeRTOS NuttX ARM Cortex-M ARM Cortex-A ARM Cortex-R RISC-V U-Boot Device Tree SPI / I²C CAN / CAN FD USB Stack Bluetooth LE WiFi / 802.11 Ethernet / TCP/IP Secure Boot Trusted Firmware-A IEC 62304 ISO 26262 Safety RTOS Multi-core SMP/AMP JTAG / SWD Logic Analyzers

Why Clients Switch From Big Consultancies

We hear the same stories. Here are the ones that lead to us.

The pitch was senior. The team wasn't.

The people who won the engagement were excellent. The people delivering it were junior — and billed as if they weren't. We don't have a junior tier. There's no one to swap in after you sign.

Adding people stopped making it faster.

At some point the team got bigger and the product got slower. That's coordination overhead, and it's measurable. Small senior teams skip almost all of it — decisions happen in an afternoon, not a sprint.

Nobody actually owned the outcome.

When fifteen people share a project, accountability dissolves. Everyone is responsible, so no one is. With us, one accountable senior engineer owns the problem and fixes it.

Talk to an engineer about your project

A direct conversation with a senior embedded engineer about your technical challenges — no pitch, no fluff, no account managers.

contact@djlabs.pl