Senior C/C++ Engineer

Omilia - Conversational Intelligence

Senior C/C++ Engineer building performance-critical systems for Omilia's conversational AI infrastructure. Developing C/C++ components and specialized Asterisk-based telephony platforms.

Posted 9/5/2026full-timeRemote • 🇬🇷 GreeceSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in C/C++ systems programming with a focus on performance, memory safety, and multithreading. Proficient in developing and maintaining Asterisk modules and APIs while adhering to security principles in regulated environments.

Highest-signal resume keywords

C/C++ Systems ProgrammingAsterisk Module DevelopmentMemory ManagementMultithreadingSIP Knowledge

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

C/C++ ProgrammingLow-Level DebuggingAPI DevelopmentObject-Oriented DesignPerformance OptimizationConcurrency CorrectnessGitCMakeJava ProgrammingPython Programming

Soft Skills

Effective CommunicationSelf-MotivatedAbility to Work Under PressureCollaborative Team MemberContinuous Innovation Mindset

Tools & Technologies

GdbValgrindStraceFreeSWITCHKamailioOpenSIPSWebRTCMicroservices

Industry Keywords

PCI-DSSHIPAATelephonyCall RecordingSecurity Advisories

Tech Stack

Tools & technologies

C++JavaMicroservicesPython

About the role

Key responsibilities & impact

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 with emphasis on performance, memory safety, and concurrency correctness
Develop efficient applications for mission-critical systems geared for high availability and performance
Debug complex, multi-threaded, low-level issues using gdb, valgrind, and/or strace
Develop, extend, and maintain custom Asterisk modules for call handling, recording, and routing
Patch, rebuild, and validate Asterisk core and third-party modules against security advisories and 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 escalate critical issues
Work effectively with other teams, units, and departments
Support organisational priority activities and act as an Omilia ambassador

Requirements

What you’ll need

5+ years professional experience in C/C++ systems programming, including memory management, multithreading, and low-level debugging
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++
Object-oriented analysis and design using common design patterns
Self-motivated and driven to create extraordinary things
Ability to work under pressure and on strict deadlines
Bachelor's degree in Computer Science
Very good written and oral communication skills in English
Continuous innovation mindset
Knowledge of SIP (RFC 3261) and related RFCs (SDP, RTP/RTCP, STUN/TURN/ICE) and practical dialplan authoring experience
Experience with Java or Python programming
Familiarity with FreeSWITCH, Kamailio, or OpenSIPS, WebRTC-to-SIP interworking, or call recording/audio codec architectures (G.711, G.729, Opus)
Experience in regulated environments (PCI-DSS, HIPAA) where call recording and redaction requirements apply

Benefits

Comp & perks

Fixed compensation
Long-term employment with the working days vacation
Development in professional growth (courses, training, etc)
Being part of successful cutting-edge technology products that are making a global impact in the service industry
Proficient and fun-to-work-with colleagues
Apple gear
Equal opportunity and diverse, inclusive workplace