Senior Embedded C/C++ and PHP Backend Engineer - firmware, telemetry APIs
Aktualisiert am 11.09.2026
Profil
Freiberufler / Selbstständiger
Remote-Arbeit
Verfügbar ab: 11.09.2026
Verfügbar zu: 100%
davon vor Ort: 0%
Embedded C
C++
PHP
Laravel
C
Firmware
Microcontrollers
Atmel AVR
PIC
IoT
LoRaWAN
Telemetry
Linux
REST API
PostgreSQL
MySQL
Docker
Git
CI/CD
Vue.js
TypeScript
Redis
SCRUM
Czech
Muttersprache
English
Professional working proficiency

Einsatzorte

Einsatzorte

Deutschland, Schweiz, Österreich
möglich

Projekte

Projekte

4 years 1 month
2022-08 - now

Web applications and backend systems

PHP Developer Laravel Livewire Vue.js ...
PHP Developer
Web applications and backend systems for contract clients. REST and user-facing API design with strict contracts and predictable error handling, PostgreSQL schema design and query tuning, queues and scheduled jobs, third-party API integrations. Test-first delivery with Pest and PHPUnit, high coverage from day one, feature and contract tests in CI.
  • Build web applications with REST and user-facing APIs.
Laravel Livewire Vue.js PostgreSQL
Plzen, Czech Republic
1 year 1 month
2021-08 - 2022-08

Laravel development across multiple client products

PHP Developer PHP Laravel MySQL ...
PHP Developer

Laravel development across multiple client products. Feature work, maintenance and bug fixing on live applications, working directly with the product owners.

  • Laravel development across multiple client products

PHP Laravel MySQL REST APIs.
UBK s.r.o.
Czech Republic
3 years
2018-07 - 2021-06

Built a CMS for an international company

Developer PHP 8 MVC framework MariaDB
Developer
SCRUM, English-only daily communication

PHP 8 MVC framework MariaDB
Czech Republic
3 years
2018-01 - 2020-12

Built a CMS for an international company

Developer PHP 8 Nette 3.1 MariaDB ...
Developer

Built a CMS for an international company as an independent contractor. SCRUM, English-only daily communication with a distributed team.

  • Built a CMS for an international company. SCRUM, English-only daily communication

PHP 8 Nette 3.1 MariaDB REST APIs
2 years 6 months
2016-01 - 2018-06

Developed and maintained

Developer PHP Nette MySQL
Developer

Developed and maintained dating platforms running in 12 countries, including localisation, moderation tooling and payment flows. SCRUM, English-only standups.

PHP Nette MySQL
MySolutions s.r.o.
Czech Republic
2 years 6 months
2013-07 - 2015-12

In-house software for warehouse management

IT Administrator and Developer
IT Administrator and Developer

  • In-house software for warehouse management of wiring harnesses.
  • IT administration alongside development. This is where the move from embedded into PHP happened.

Yazaki
Plzen, Czech Republic
9 years 4 months
2003-10 - 2013-01

Firmware in C for Atmel AVR and PIC microcontrollers

Embedded / IoT and Systems Engineer
Embedded / IoT and Systems Engineer
  • Firmware in C for Atmel AVR and PIC microcontrollers in cash-handling and self-service terminals, including currency recognition and validation firmware.
  • Telemetry data APIs, LoRaWAN systems.
  • Linux and Windows server administration; Delphi / FoxPro business applications.
electronics manufacturer
Czech Republic

Aus- und Weiterbildung

Aus- und Weiterbildung

Maturita - Electronics, Telecommunications and Computing

Secondary technical school / SPS Ostrov, Czech Republic

Kompetenzen

Kompetenzen

Top-Skills

Embedded C C++ PHP Laravel C Firmware Microcontrollers Atmel AVR PIC IoT LoRaWAN Telemetry Linux REST API PostgreSQL MySQL Docker Git CI/CD Vue.js TypeScript Redis SCRUM

Produkte / Standards / Erfahrungen / Methoden

SUMMARY

Engineer working at the seam between hardware and the backend. Nine years in embedded and IoT: firmware in C for Atmel AVR and PIC microcontrollers in cash-handling and self-service terminals, plus telemetry data APIs, LoRaWAN systems and Linux/Windows server administration. Since 2013, the systems on the other side of that wire: PHP and Laravel backends, REST and user-facing API design, PostgreSQL and MySQL, queues and scheduled work, test-first with Pest and PHPUnit. Years of experience in English-only, distributed SCRUM teams across several countries.


SKILLS

Embedded:

  • Embedded C, C, C++
  • Firmware
  • Microcontrollers
  • Atmel AVR
  • PIC
  • IoT
  • LoRaWAN
  • Telemetry


Backend:

  • PHP
  • Laravel
  • REST API design
  • PostgreSQL
  • MySQL
  • Redis
  • ElasticSearch
  • Pest
  • PHPUnit
  • TDD


Platform:

  • Linux
  • Docker
  • Git
  • CI/CD
  • SCRUM


Frontend:

  • Vue.js
  • React
  • TypeScript
  • Livewire
  • Inertia


SELECTED PROJECTS & OPEN SOURCE

CaptchaAPI

  • GDPR-first, proof-of-work CAPTCHA for the EU; ships its own Laravel package and WordPressplugin. 
  • Laravel, WordPress, Composer / Packagist


Billify

  • invoicing REST API for the Czech market
  • Laravel, REST API, PostgreSQL


Exile to Exile

  • open-source companion application:
    • build planner, passive-tree tools, loot-filter generator. 
    • Automated data releases with CI contract tests and safe activation/rollback. 
  • Laravel 13, PHP 8.4, React, Inertia, TypeScript, PostgreSQL, Redis


POE2 Toolkit

  • framework-agnostic TypeScript toolkit:
    • binary game-data access, typed extractors, headless passive-tree geometry engine with a React renderer.
  • MIT-licensed npm packages.

Einsatzorte

Einsatzorte

Deutschland, Schweiz, Österreich
möglich

Projekte

Projekte

4 years 1 month
2022-08 - now

Web applications and backend systems

PHP Developer Laravel Livewire Vue.js ...
PHP Developer
Web applications and backend systems for contract clients. REST and user-facing API design with strict contracts and predictable error handling, PostgreSQL schema design and query tuning, queues and scheduled jobs, third-party API integrations. Test-first delivery with Pest and PHPUnit, high coverage from day one, feature and contract tests in CI.
  • Build web applications with REST and user-facing APIs.
Laravel Livewire Vue.js PostgreSQL
Plzen, Czech Republic
1 year 1 month
2021-08 - 2022-08

Laravel development across multiple client products

PHP Developer PHP Laravel MySQL ...
PHP Developer

Laravel development across multiple client products. Feature work, maintenance and bug fixing on live applications, working directly with the product owners.

  • Laravel development across multiple client products

PHP Laravel MySQL REST APIs.
UBK s.r.o.
Czech Republic
3 years
2018-07 - 2021-06

Built a CMS for an international company

Developer PHP 8 MVC framework MariaDB
Developer
SCRUM, English-only daily communication

PHP 8 MVC framework MariaDB
Czech Republic
3 years
2018-01 - 2020-12

Built a CMS for an international company

Developer PHP 8 Nette 3.1 MariaDB ...
Developer

Built a CMS for an international company as an independent contractor. SCRUM, English-only daily communication with a distributed team.

  • Built a CMS for an international company. SCRUM, English-only daily communication

PHP 8 Nette 3.1 MariaDB REST APIs
2 years 6 months
2016-01 - 2018-06

Developed and maintained

Developer PHP Nette MySQL
Developer

Developed and maintained dating platforms running in 12 countries, including localisation, moderation tooling and payment flows. SCRUM, English-only standups.

PHP Nette MySQL
MySolutions s.r.o.
Czech Republic
2 years 6 months
2013-07 - 2015-12

In-house software for warehouse management

IT Administrator and Developer
IT Administrator and Developer

  • In-house software for warehouse management of wiring harnesses.
  • IT administration alongside development. This is where the move from embedded into PHP happened.

Yazaki
Plzen, Czech Republic
9 years 4 months
2003-10 - 2013-01

Firmware in C for Atmel AVR and PIC microcontrollers

Embedded / IoT and Systems Engineer
Embedded / IoT and Systems Engineer
  • Firmware in C for Atmel AVR and PIC microcontrollers in cash-handling and self-service terminals, including currency recognition and validation firmware.
  • Telemetry data APIs, LoRaWAN systems.
  • Linux and Windows server administration; Delphi / FoxPro business applications.
electronics manufacturer
Czech Republic

Aus- und Weiterbildung

Aus- und Weiterbildung

Maturita - Electronics, Telecommunications and Computing

Secondary technical school / SPS Ostrov, Czech Republic

Kompetenzen

Kompetenzen

Top-Skills

Embedded C C++ PHP Laravel C Firmware Microcontrollers Atmel AVR PIC IoT LoRaWAN Telemetry Linux REST API PostgreSQL MySQL Docker Git CI/CD Vue.js TypeScript Redis SCRUM

Produkte / Standards / Erfahrungen / Methoden

SUMMARY

Engineer working at the seam between hardware and the backend. Nine years in embedded and IoT: firmware in C for Atmel AVR and PIC microcontrollers in cash-handling and self-service terminals, plus telemetry data APIs, LoRaWAN systems and Linux/Windows server administration. Since 2013, the systems on the other side of that wire: PHP and Laravel backends, REST and user-facing API design, PostgreSQL and MySQL, queues and scheduled work, test-first with Pest and PHPUnit. Years of experience in English-only, distributed SCRUM teams across several countries.


SKILLS

Embedded:

  • Embedded C, C, C++
  • Firmware
  • Microcontrollers
  • Atmel AVR
  • PIC
  • IoT
  • LoRaWAN
  • Telemetry


Backend:

  • PHP
  • Laravel
  • REST API design
  • PostgreSQL
  • MySQL
  • Redis
  • ElasticSearch
  • Pest
  • PHPUnit
  • TDD


Platform:

  • Linux
  • Docker
  • Git
  • CI/CD
  • SCRUM


Frontend:

  • Vue.js
  • React
  • TypeScript
  • Livewire
  • Inertia


SELECTED PROJECTS & OPEN SOURCE

CaptchaAPI

  • GDPR-first, proof-of-work CAPTCHA for the EU; ships its own Laravel package and WordPressplugin. 
  • Laravel, WordPress, Composer / Packagist


Billify

  • invoicing REST API for the Czech market
  • Laravel, REST API, PostgreSQL


Exile to Exile

  • open-source companion application:
    • build planner, passive-tree tools, loot-filter generator. 
    • Automated data releases with CI contract tests and safe activation/rollback. 
  • Laravel 13, PHP 8.4, React, Inertia, TypeScript, PostgreSQL, Redis


POE2 Toolkit

  • framework-agnostic TypeScript toolkit:
    • binary game-data access, typed extractors, headless passive-tree geometry engine with a React renderer.
  • MIT-licensed npm packages.

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