Senior C/C++ Systems Engineer — Telephony & SIP

Omilia; España; Hybrid; PHP 900,000 - 1,200,000; Full time

Benefits offered by this job

Fixed compensation

Long-term employment with vacation

Professional growth opportunities

Apple gear

Job summary

Omilia is seeking a Senior C/C++ Engineer to design, implement, and support high-performance components across our platform. You will work on memory-safe, concurrent production systems and extend Asterisk modules to meet telephony requirements.

You will debug multi-threaded issues with tools like GDB, Valgrind, and Strace, and collaborate across engineering and cross-functional teams to deliver scalable, secure services. English communication is essential.

Qualifications

• 5+ years of professional experience in C/C++ systems programming.
• Experience with Git and C/C++ build systems such as CMake or Meson.
• Hands-on experience modifying, compiling, and deploying Asterisk.
• Experience writing APIs and/or Web Services & Microservices using C/C++.
• OO analysis and design using common design patterns.
• Bachelor's degree in Computer Science.
• Very good written and oral communication skills in English.
• Continuous innovation mindset.

Responsibilities

• Own the design, development, and ongoing support of performance-critical C/C++ components across Omilia's platform.
• Own resolution of scalability and performance issues affecting telephony and SIP systems.
• Ensure effective time management and consistent delivery against deadlines.
• Contribute as an integrated, collaborative team member across engineering and cross-functional teams.
• Design, implement, and maintain C/C++ components across Omilia's platform, with emphasis on performance, memory safety, and concurrency correctness in production systems.
• Develop efficient applications for mission-critical systems geared for high availability and performance.
• Debug complex, multi-threaded, low-level issues using tools such as gdb, valgrind, and/or strace.
• Develop, extend, and maintain custom Asterisk modules (res_, chan_, app_*) to support call handling, recording, and routing requirements specific to the platform.
• Patch, rebuild, and validate Asterisk core and third-party modules against upstream security advisories and internal hardening requirements.
• Identify performance bottlenecks and suggest improvements.
• Develop with security principles in mind and scale services with a DevOps mindset.
• Meet regularly with the line manager to review progress; manage issue resolution and elevate critically when needed.
• Work effectively with other teams, units, and departments, ensuring clear information flow and team working.
• Support other organisational priority activities when necessary, and act as an Omilia ambassador.

Skills

Memory management

Multithreading

Low-level debugging

OO design

English communication

Self-motivated

Under pressure

Education

Bachelor's degree in Computer Science

Tools

Git

CMake

Meson

Asterisk

GDB

Valgrind

strace

Job description

Omilia is seeking a Senior C/C++ Engineer to design, implement, and support high-performance components across our platform. You will work on memory-safe, concurrent production systems and extend Asterisk modules to meet telephony requirements.

You will debug multi-threaded issues with tools like GDB, Valgrind, and Strace, and collaborate across engineering and cross-functional teams to deliver scalable, secure services. English communication is essential.