Open to opportunities

Diego Hoyos

@diegohoyos

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Senior Embedded Systems Engineer specializing in firmware and IoT product development.

Mexico

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What I'm looking for

I seek senior firmware or embedded systems roles focused on IoT product development, hardware bring-up, cross-functional leadership, and opportunities to mentor while delivering reliable, low-power, production-ready solutions.

I am a Senior Embedded Systems Engineer with over 10 years of experience building firmware for IoT and industrial products, focused on reliability, low-power designs, and real-world deployments.

I have led firmware architecture and hardware bring-up for multi-sensor and keypad product lines, migrated communication stacks to BLE, and implemented OTA, integrity validation, and rollback strategies to support safe remote updates.

As a technical leader I managed cross-functional teams, mentored junior engineers, designed reusable drivers and fault-recovery mechanisms, and supported production and field trials across medical, automotive, and industrial sectors.

I teach IoT and embedded topics as an adjunct professor, and I bring hands-on expertise in C/C++, embedded Linux, microcontrollers, BLE, MQTT, and electronic debugging tools to deliver robust, production-ready systems.

Experience

Work history, roles, and key accomplishments

Current

Independent Embedded Consultant

Current

Independent

Sep 2025 - Present (5 months)

Provided firmware architecture and ESP32 integration support for industrial automation prototypes and advised on reliability and deployment strategies for client projects.

ESP32 Industrial Automation C C++Reliability Engineering

Senior Firmware Engineer

Luxoft

Aug 2022 - Sep 2025 (3 years 1 month)

Led firmware architecture and implementation for multi-variant keypad and multi-sensor wireless products, migrated device communication from OOK to BLE, and implemented OTA, diagnostics, and production support processes.

C C++OTA Updates MQTT C++Real Time Systems

Firmware Development Leader

Embeddex

May 2017 - Jun 2022 (5 years 1 month)

Led development of multiple IIoT hardware platforms for medical and automotive deployments, architected C/C++ firmware and communication stacks, and managed hardware bring-up, validation, and field deployments.

ESP32 MSP430 MQTT C C++Sensor Drivers WiFi

Continuous Improvement Manager

Master Lock

Feb 2016 - May 2017 (1 year 3 months)

Led cross-functional teams for OEE monitoring system rollout using 80+ IoT endpoints, deployed wireless firmware for sensor modules, and drove cost-reduction and remote diagnostics initiatives.

Firmware Development Wireless Troubleshooting

Development Design Engineer

Technologic Platforms

Apr 2011 - Feb 2016 (4 years 10 months)

Contributed to full lifecycle development of the company's first electronic lock, delivering embedded C/C++ firmware for UI, low-power sensing, and communication subsystems through prototyping to volume manufacturing.

Firmware C C++Low Power Systems Prototyping Production Support Sensors

Technical Trainer

Festo

Dec 2008 - Mar 2011 (2 years 3 months)

Delivered 100+ seminars and certification programs on industrial automation, led installation and commissioning of mechatronic equipment, and conducted workshops at universities and industrial sites.