You're seeing this page as if you were . The main menu is still yours, though. Exit from immersion
Julian DuqueJD

Julian Duque

Embedded Software Engineer (Rail / CTC)

€222/day
Valladolid, ES
3-7 years

Average response time: 1 hour

About Julian

I am Julian Duque, an embedded software engineer passionate about seamless hardware-software integration. With a Master's in IoT from Universidad Politécnica de Madrid and experience at Exceltic, TEMAI, Duagon, and TCA, I specialize in C/C++ firmware, Embedded Linux, Yocto builds, real-time comms, and debugging with GDB/Wireshark. Fluent in Spanish and English, I thrive in agile teams driving reliable edge deployments.
  • Spanish

    Native or bilingual

  • English

    Native or bilingual

Remote only
Primarily works remotely

Experience

  • Exceltic
    Embedded Software Engineer (Rail / CTC)
    TRANSPORTATION
    February 2025 - Today (1 year and 5 months)
    Madrid, Spain
    • • C/C++ on Embedded/Linux CTC subsystems — built deterministic event pipelines and inter-process comms for reliable traffic control.
    • • Designed TCP/UDP & Serial APIs used by adjacent services → simpler integrations and cleaner headers/tests.
    • • Automated log parsing & visualization to speed incident triage and regression checks for ops/reliability teams.
    • • Lab/simulator integration, scripted scenarios, captured traces, delivered reproducible bug reports across HW/SW.
    • • Debugging with GDB, system logs; hardened error handling and timing under field-like conditions.
    Linux Sistemas embebidos C CI/CD QA
  • TEMAI INGENIEROS
    Embedded Software Developer
    October 2023 - September 2025 (1 year and 11 months)
    Madrid, Spain
    • • C/C++ firmware for MCUs — reusable drivers/HAL with OOP patterns.
    • • Implemented & tested RS-232/RS-422 stacks and basic Ethernet sockets; wrote diagnostics for throughput/latency.
    • • Hardware bring-up & PCB support — schematic reviews/edits in Altium/KiCad; HW/SW integration on prototypes.
    • • Simulation benches with SPICE, MATLAB/Simulink, LabVIEW to validate timing/interfaces pre firmware.
  • Duagon
    Embedded Software Developer
    May 2024 - February 2025 (9 months)
    Madrid, Spain
    • • Shipped features in C/C++ on embedded-Linux for PIS/PAS platforms, focus on robust, real-time comms.
    • • Owned Yocto image work (layers/recipes, services, packages), reproducible multi-target builds.
    • • Hardened network daemons and startup/health-check scripts to keep systems stable in the field.
    • • Investigated issues end-to-end with GDB, journald and Wireshark; reproduced on lab rigs/simulators.
    • • Remote ops via SSH/SFTP: updates, trace collection and runbooks for ops/customers.

Recommendations

Be the first to recommend Julian

Help this freelancer shine by sharing your experience working together.

These freelancer profiles also match your criteria

AgathaA

Agatha Frydrych

Backend Java Software Engineer

4.7

(3)

2

BaptisteB

Baptiste Duhen

Fullstack developer

4.6

(4)

5

AmedA

Amed Hamou

Senior Lead Developer

4

(2)

7

AudreyA

Audrey Champion

Web developer

4.3

(3)

4

Education

  • Master en internet de las cosas
    Universidad Politécnica de Madrid
    2025
    Master en internet de las cosas
  • Ingenieria Electronica
    Universidad de los Llanos
    2022

Categories