Verified Upwork Top Rated Plus Client Testimonials
Client Reviews & Engineering Track Record
Read authentic feedback from founders, hardware executives, and engineering managers who trust Aarohi Tech Lab for mission-critical firmware and connected devices.
100%
Job Success Score (JSS)
Perfect client delivery record
Top 1%
Upwork Top Rated Plus
Elite global engineering tier
50+
Shipped Hardware Projects
USA, Europe, UK & Asia
5.0 / 5.0
Average Star Rating
Across all client milestones
Direct Client & Enterprise Engagement
Embedded C / Hardware Interfacing & Firmware Stability
“Extremely knowledgeable in embedded development. Professional, kind, and always accommodating to our project requirements. Solved complex communication and firmware stability challenges effortlessly.”
Tim de Geus
Founder, Loophole Technologies
Direct Corporate Engagement
Industrial Power Automation & Embedded Firmware
“Their technical depth and dedication made a strong difference in our firmware and product support work. Aarohi Tech Lab delivers clean, robust code that stands up to heavy industrial environments.”
Lovekush Sharma
Assistant General Manager, KRYFS Power Components
Upwork Verified Engagement
ESP32 FreeRTOS, BLE Services & Cloud IoT Gateway
“Their attention to detail and commitment to engineering quality set them apart in embedded firmware solutions. Delivered our ESP32 IoT connectivity stack and BLE pipelines ahead of schedule.”
Samson Teffon
Technical Product Lead
Upwork Verified 5.0 ★ Client
ESP32-S3, Modbus RS485, AWS IoT Core & mTLS
“Haresh and the Aarohi Tech Lab team are top-tier embedded systems architects. They built our Modbus RTU-to-MQTT telemetry gateway from scratch with rock-solid OTA updates and encrypted AWS IoT payloads.”
IoT Solutions Architect
Director of Hardware Engineering, CleanTech Startup
Upwork Verified 5.0 ★ Client
nRF52840, Zephyr RTOS, Low-Power BLE 5.2
“Outstanding work on our Nordic nRF52 ultra-low-power BLE sensor device. Reached sub-15µA deep sleep, custom GATT profiles, and seamless Android/iOS pairing. Truly world-class engineering.”
Medical Device Founder
Chief Technology Officer
Upwork Verified 5.0 ★ Client
STM32F4/F7, TouchGFX, LVGL, CAN Bus & FreeRTOS
“Exceptional GUI performance on STM32! They implemented our entire LVGL & TouchGFX interface running at a silky smooth 60fps with responsive touch controls, integrated into FreeRTOS tasks flawlessly.”
Industrial Automation Lead
Principal Controls Engineer
Upwork Verified 5.0 ★ Client
SPI Signal Integrity, Hardware Debugging & Logic Analyzer
“Very fast turnaround and deep understanding of both schematics and firmware. They debugged an elusive SPI timing issue on our custom sensor board within 48 hours. Highly recommended!”
Robotics Hardware Lead
VP of Engineering
Upwork Verified 5.0 ★ Client
Altium 4-Layer High Speed PCB, DFM & BOM Sourcing
“Aarohi Tech Lab designed our complete 4-layer Altium PCB with rigorous DFM compliance. The prototype boards assembled by the fab came up on the first revision with zero errors.”
Connected Health Founder
Co-Founder & CEO
Enterprise Confidentiality & IP Security
Many of our high-volume defense, medical, and proprietary industrial projects are protected by strict Non-Disclosure Agreements (NDAs). All engineering source files, schematics, and firmwares belong 100% to our clients upon delivery.
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