Led by Iotsoftwaredeveloper Inc. (Senior IoT Firmware & Edge-Cloud Solutions Architect, 17+ years total experience), our embedded engineering practice delivers production-grade C/C++ and Rust firmware, real-time operating system architectures, and secure edge-to-cloud connectivity for enterprise IoT hardware manufacturers and innovative hardware teams.
Fixed-Scope Audits & Engineering Packages
Embedded Firmware Security & OTA Audit
Rigorous diagnostic of embedded C/C++ and Rust firmware covering dual-bank OTA bootloader safety, cryptographic signature checks, and stack/heap memory integrity.
- Secure Boot v2, hardware root-of-trust (ATECC608 / TPM 2.0)
- Dual-bank A/B bootloader verification & rollback safety
- Cryptographic firmware signature (ECDSA/Ed25519) validation
- Stack/heap overflow vulnerability & static analysis audit
- 3–5 business day delivery with actionable PR remediation report
Custom IoT Firmware & Protocol Porting
Design and porting of robust embedded firmware onto modern FreeRTOS, Zephyr OS, or Embedded Rust runtimes with low-power sleep profiling and cloud transport bridging.
- FreeRTOS / Zephyr OS multi-threaded architecture bring-up
- Embedded Rust (embassy/no_std) safety-critical drivers
- Ultra-low power profiling (<10µA deep sleep optimization)
- Custom BLE GATT profile or CoAP-to-MQTT protocol translation
- Automated CI hardware-in-the-loop (HIL) test suites
High-Throughput Edge-to-Cloud Telemetry Pipeline
Complete end-to-end telemetry architecture: clustered MQTT brokers, backpressure-resilient Node.js/Rust ingestion hubs, and high-cardinality time-series storage.
- Clustered MQTT (EMQX, Mosquitto, AWS IoT Core) provisioning
- Backpressure-resilient Node.js / Rust stream processing hubs
- TimescaleDB / InfluxDB high-cardinality sensor ingestion
- End-to-end TLS 1.3 mTLS certificate lifecycle & rotation
- Real-time observability dashboards with Prometheus/Grafana
Hardware Bring-Up & PCB Board Diagnostics
Lab-bench validation, bus signal integrity profiling, sensor bring-up, and RF antenna matching across ESP32, STM32, and Nordic microcontroller platforms.
- I2C, SPI, UART, CAN bus, and Modbus RTU/TCP bus validation
- Rigorous oscilloscope & logic analyzer RF waveform inspection
- Precision sensor calibration and power rail decoupling audit
- Thermal stress and environmental edge operating validation
- Comprehensive Bring-Up Dossier with schematic annotations
Engineering Deliverables & Scope Matrix
| Service Package | Target Silicon / Stack | Core Deliverables | Engagement Horizon |
|---|---|---|---|
| Firmware Security & OTA Audit | ARM Cortex-M, ESP32-S3, STM32 | Dual-bank bootloader review, ATECC608 key slot policy, static analysis report, GitHub remediation PR | 3–5 business days |
| Custom IoT Firmware & Protocol Porting | FreeRTOS, Zephyr OS, Embedded Rust | Deterministic task layout, low-power sleep profiling (<10µA), BLE GATT / MQTT transport drivers, HIL CI harness | 2–4 week milestone sprint |
| Edge-to-Cloud Telemetry Pipeline | AWS IoT Core, EMQX, Node.js, TimescaleDB | Clustered broker infrastructure, mTLS certificate engine, high-throughput consumer daemons, Grafana telemetry UI | 3–6 week system rollout |
| PCB Bring-Up & Board Diagnostics | Custom PCB, I2C, SPI, UART, CAN, Modbus | Bench-level RF waveform analysis, sensor bus calibration, power decoupling trace review, hardware bring-up dossier | 1–2 week lab turnaround |
Specialized Embedded & IoT Disciplines
Dual-Bank Resilient OTA Bootloaders
Fail-safe firmware over-the-air update mechanisms with cryptographic signature verification, automatic fallback to golden image, and zero field bricking risk.
Secure Boot v2 • A/B Flash • ECDSAReal-Time Operating Systems (FreeRTOS & Zephyr)
Deterministic task scheduling, preemptive prioritization, inter-task IPC queues, and mutex protection engineered for mission-critical microcontroller applications.
Tickless Idle • Mutex/Semaphores • DMAUltra-Low Power Optimization
Extreme battery life engineering utilizing low-power sleep modes, wake-on-interrupt triggers, and microampere-level energy budgeting for remote field sensors.
<10µA Deep Sleep • Duty-Cycle TuningCryptographic IoT Security & Secure Elements
Hardware root-of-trust implementation, secure element (ATECC608 / TPM 2.0 / OPTIGA) integration, and TLS 1.3 encrypted MQTT backhaul to cloud brokers.
X.509 mTLS • Hardware Enclave • ATECC608Wireless Protocol Stacks (BLE, LoRaWAN, Cellular)
Custom Bluetooth Low Energy services, long-range LoRaWAN packet telemetry, and LTE-M / NB-IoT cellular connectivity engineered for challenging RF environments.
BLE 5.3 • LoRaWAN 1.0.4 • LTE-M / NB-IoTHigh-Throughput Cloud Telemetry Pipelines
Scalable sensor telemetry streaming into AWS IoT Core, EMQX clusters, and high-performance Node.js / Rust ingestion backends feeding InfluxDB and TimescaleDB.
AWS IoT Core • EMQX • InfluxDB • TimescaleDBIoT Router & Embedded Gateway Reverse Engineering Consultancy
Commission Principal Embedded Architect Robert Baindourov (17+ years experience) for deep-dive IoT router reverse engineering, SquashFS/UBIFS firmware unpacking, U-Boot & ELF daemon decompilation, UART/JTAG/SPI flash extraction, and authorized white-hat penetration testing. Fixed-scope engagements start at a $10,000 USD base project retainer under strict Mutual NDA and Authorized Rules of Engagement (RoE).
IoT Router Firmware & Bootloader Reverse Engineering Sprint
SquashFS / UBIFS Extraction, U-Boot Analysis & ELF Daemon Decompilation
Configure $10,000 Router Scope →White-Hat IoT Router Penetration Testing & Zero-Day Audit
WAN / LAN / Wi-Fi / Cellular Attack Surface & Pre-Auth Exploit Validation
Configure $15,000 Router Scope →Hardware PCB Lab Teardown, Flash Chip-Off & RF Red-Team
UART / JTAG / SPI / BGA NAND Extraction, Silicon Glitching & Wireless Audit
Configure $25,000 Router Scope →Need Immediate Technical Consultation?
Schedule an architecture review or firmware scoping session directly on our intake calendar. Response within 24 hours with immediate engineering assessment.