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I am a hands-on IoT & Telematics Specialist with experience across BLE, LoRaWAN, and multi-vendor telematics systems. I enjoy sensor integration, power optimization for embedded devices, and troubleshooting wireless communications, all while keeping clear documentation for internal teams and clients. I thrive on enabling teams through technical trainings, scalable IoT deployments, and stable operations. In my roles, I focus on delivering reliable, low-power embedded solutions and strong client relationships, continuously refining processes to ensure successful deployments and measurable results.…I am a hands-on IoT & Telematics Specialist with experience across BLE, LoRaWAN, and multi-vendor telematics systems. I enjoy sensor integration, power optimization for embedded devices, and troubleshooting wireless communications, all while keeping clear documentation for internal teams and clients. I thrive on enabling teams through technical trainings, scalable IoT deployments, and stable operations. In my roles, I focus on delivering reliable, low-power embedded solutions and strong client relationships, continuously refining processes to ensure successful deployments and measurable results.

RUMEN RANGELOV

Programmer, Web Developer, Full Stack Developer, +2

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I am a hands-on IoT & Telematics Specialist with experience across BLE, LoRaWAN, and multi-vendor telematics systems. I enjoy sensor integration, power optimization for embedded devices, and troubleshooting wireless communications, all while keeping clear documentation for internal teams and clients. I thrive on enabling teams through technical trainings, scalable IoT deployments, and stable operations. In my roles, I focus on delivering reliable, low-power embedded solutions and strong client relationships, continuously refining processes to ensure successful deployments and measurable results.…I am a hands-on IoT & Telematics Specialist with experience across BLE, LoRaWAN, and multi-vendor telematics systems. I enjoy sensor integration, power optimization for embedded devices, and troubleshooting wireless communications, all while keeping clear documentation for internal teams and clients. I thrive on enabling teams through technical trainings, scalable IoT deployments, and stable operations. In my roles, I focus on delivering reliable, low-power embedded solutions and strong client relationships, continuously refining processes to ensure successful deployments and measurable results.

Available to hire

I am a hands-on IoT & Telematics Specialist with experience across BLE, LoRaWAN, and multi-vendor telematics systems. I enjoy sensor integration, power optimization for embedded devices, and troubleshooting wireless communications, all while keeping clear documentation for internal teams and clients. I thrive on enabling teams through technical trainings, scalable IoT deployments, and stable operations.

In my roles, I focus on delivering reliable, low-power embedded solutions and strong client relationships, continuously refining processes to ensure successful deployments and measurable results.

Skills

SQL

JavaScript

Python

Experience Level

SQL

Intermediate

JavaScript

Intermediate

Python

Intermediate

Language

Bulgarian

Fluent

English

Advanced

Work Experience

IoT Specialist at NIK Electronics Ltd

January 1, 2023 - November 4, 2025

Developed and implemented IoT and telematics solutions involving GPS devices, meteo stations, and multiple sensor types; configured and troubleshot hardware from multiple vendors; worked daily with BLE connectivity, 2G and 4G networks, integrating sensors into scalable IoT solutions; provided technical trainings and prepared documentation for internal teams and clients; specialized in low-power optimization for embedded devices.

Sales Representative at Frotcom Bulgaria

January 1, 2023 - January 1, 2023

Represented a leading telematics company focused on GPS tracking and fleet management solutions. Consulted clients on selecting and implementing suitable telematics devices and services. Supported pre-sales and post-sales processes, including technical coordination with the engineering team. Developed a strong understanding of GPS hardware, telematics platforms, and sensor integrations. Built and maintained long-term client relationships.

Sales Representative at Bultex 9 9 Ltd

January 1, 2021 - January 1, 2021

Represented one of Bulgaria’s leading companies in workwear and PPE. Consulted corporate clients and partners on selecting suitable PPE solutions for their operations. Managed B2B sales processes — from initial contact to closing deals and post-sales support. Built and maintained long-term client relationships. Coordinated with logistics and production teams to ensure accurate deliveries.