johandroid
Senior Software Engineer
Software Engineer with deep expertise in Rust, blockchain infrastructure, and low-level systems. Experienced in developing Substrate pallets, deploying Polkadot parachains, and working with Web3 authentication and cybersec technology. Contributor to FOSS projects, including the Linux developments, libnl, and blockchain tooling. Experienced in developing custom GNU/Linux distributions, self-hosted infrastructure, and secure networking solutions. Passionate about free and open-source software (FOSS). While highly proficient in AI tools, I approach them as an enhancement rather than a necessity.
Experience: 5 years
Yearly salary: $80,000
Hourly rate: $50
Nationality: 🇪🇸 Spain
Residency: 🇪🇸 Spain
Experience
Senior OS Engineer
G6 2024 - 2025
Designed and built a customized GNU/Linux distribution based on Debian using Live Build. Managed blockchain nodes worldwide, ensuring high availability and security. Developed tools for blockchain interaction and extrinsics automation. Designed and deployed self-hosted CI/CD solutions, improving DevOps efficiency. Implemented OS testing with QEMU/KVM, ensuring system stability.
Embedded Software Engineer
Technica Electronics 2019 - 2024
Contributed to the Linux Kernel as part of company projects, optimizing networking and embedded system performance. Modified hostap (wpa_supplicant & hostapd) to improve secure communication in automotive systems. Developed custom embedded Linux distributions using Yocto for in-vehicle telecommunication. Implemented cross-compilation pipelines, ensuring compatibility across various architectures. Developed low-level system profiling tools, optimizing high-speed communication performance.
Product Engineer
Ficosa 2016 - 2019
Developed embedded GNU/Linux operating systems using Yocto for automotive applications. Integrated custom services into embedded Linux systems and real time systems. Designed CI/CD pipelines for embedded software using Git, Jenkins, GitLab, SVN. Mentored new engineers on best practices and emerging technologies.
Electronic Engineer
Chillida 2015 - 2016
Developed IoT services for smart devices, deployed across Spain and France. Designed and implemented automated remote updates for embedded systems. Integrated low-level communication protocols (Ethernet, Wi-Fi, Zigbee, Bluetooth). Implemented secure communication layers, improving data integrity and encryption.
Software developer (Trainee)
Publiaescala 2010 - 2014
Developed full-stack web applications for internal and client projects. Maintained and upgraded legacy software.
Skills
bitcoin
blockchain
computer-science
cryptography
dao
devops
docker
embedded
git
linux
open-source
polkadot
python
redis
rust
spain
sys-admin
system-engineer
web3
wordpress
english
spanish