Description

Experienced Software Engineer with 10+ years of expertise in embedded systems, system-level software, and media services development. Proven track record of delivering high-performance, scalable solutions in global companies like Amazon, Twilio, and EPAM Systems. Skilled in C++, Rust, Python, and real-time systems. Passionate about solving complex technical challenges, optimizing system performance, and building reliable products. Open to new opportunities in system software, embedded development, and high-load infrastructure roles.

Languages

English
Native or bilingual
Spanish
Fluent
Japanese
Basic

Workplace preferences

Can work on-site

Madrid (up to 50km)

TK Elevator
Software Engineer – Motion Control Systems
CIVIL ENGINEERING
August 2024 - March 2025 (7 months)
Madrid, Spain
• Developed elevator control logic and both application and system levels, improving communication between elevators and enhancing movement safety.
• Build a code generation module for testing CAN communications, reducing integration time by 25%. C, C++, Python, Shell
C++ Python Embedded Systems Shell Matlab
Twilio
Software Engineer – Media Services
TELECOMMUNICATIONS
March 2022 - February 2024 (1 year and 11 months)
Madrid, Spain
• Enhanced and implemented core voice server modules, improving performance and scalability.
• Developed metrics collection module, increasing system observability and reducing incident response time by 40%.
• Created bi-directional media pipeline, handling up to 500,000 concurrent users in cluster.
• Contributed to micro-service infrastructure in Kubernetes/AWS environments. Languages: C, C++, Rust, Java, Python
Rust Python C++ Linux Desarrollo Back-End
Amazon/Ring
System software engineer
November 2020 - March 2022 (1 year and 4 months)
• Created and deployed firmware fro new products, reducing boot time by 20%, and camera retention by 10%.
• Ported C++17 and Boost libraries to bare-metal RISC-V 64 platform with memory limitations.
• Improved video bandwidth adaptation algorithm, enhanced quality under unstable networks.
• Developed production autotune algorithm, increasing device calibration efficiency. Languages: C, C++, Python