Demo

Senior C++ Engineer

Rapsys Technologies
Sunnyvale, CA Full Time
POSTED ON 4/28/2026
AVAILABLE BEFORE 5/28/2026

We are looking for a highly skilled Senior C Developer with 8 years of hands-on experience in building, enhancing, and supporting telecom and contact center solutions. The ideal candidate should have strong expertise in C development, solid understanding of telecommunication protocols, and experience working with contact center platforms in high availability, real time environments.

 

Key Responsibilities

• Design, develop, and maintain high performance C applications for telecom and contact center systems

• Work on real-time, multithreaded, and distributed systems with high reliability and low latency requirements

• Develop and integrate solutions involving call control, media handling, and session management

• Implement and support features related to IVR, ACD, CTI, call routing, recording, and analytics

• Integrate telecom applications with SIP-based networks, PSTN, VoIP, and third party systems

• Debug complex production issues, perform root cause analysis, and provide permanent fixes

• Collaborate with system architects, QA, DevOps, and cross functional teams

• Ensure adherence to coding standards, performance benchmarks, and security guidelines

• Participate in design reviews, code reviews, and technical discussions

• Mentor junior developers and contribute to technical best practices

 

Required Technical Skills

Core Skills

• Strong proficiency in C (C 11/14/17)

• Solid experience with Linux/Unix environments

• Expertise in multithreading, memory management, IPC, and socket programming

• Strong debugging skills using tools like gdb, valgrind, core dump analysis

Telecom & Contact Center Domain

• Hands-on experience in Telecom and Contact Center domains

• Strong understanding of telecom protocols:

    • SIP, RTP/RTCP, SDP

    • SS7, ISDN, PRI (good to have)

• Experience with VoIP architectures and call flows

• Knowledge of Contact Center solutions such as:

    • IVR, ACD, CTI

    • Call routing, call recording, workforce management

• Experience integrating with CRM systems and external APIs

Platforms & Tools (Any of the below is a plus)

• Experience with platforms such as Genesys, Avaya, Cisco, NICE, Amazon Connect, or similar

• Familiarity with REST APIs, JSON, XML

• Build tools: Make, CMake, GCC

• Version control: Git / SVN

• Exposure to Docker, Kubernetes, CI/CD pipelines is a plus

 

Soft Skills

• Strong analytical and problem solving abilities

• Good communication skills and ability to work with global teams

• Experience working in Agile/Scrum environments

• Ability to handle production critical systems and on call support

 

Salary : $110,000 - $130,000

If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
Enhance your organization's compensation strategy with salary data sets that HR and team managers can use to pay your staff right. Surveys & Data Sets

What is the career path for a Senior C++ Engineer?

Sign up to receive alerts about other jobs on the Senior C++ Engineer career path by checking the boxes next to the positions that interest you.
Income Estimation: 
$117,024 - $149,811
Income Estimation: 
$137,568 - $176,908
Income Estimation: 
$64,935 - $90,225
Income Estimation: 
$79,324 - $110,520
Employees: Get a Salary Increase
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

Job openings at Rapsys Technologies

  • Rapsys Technologies Austin, TX
  • We are looking for an experienced WebMethods Integration Developer to design, develop, and support enterprise integration solutions. The ideal candidate wi... more
  • 1 Day Ago

  • Rapsys Technologies Sunnyvale, CA
  • • Manage and support Teamcenter PLM environments across Development, SIT, UAT, and Production • Handle installation, configuration, and upgrades for Teamce... more
  • 1 Day Ago

  • Rapsys Technologies Mc Lean, VA
  • Role: Java Developer Exp: 8 - 10 years Skills: Advanced Java Concepts 100% ONSITE FROM DAY 1 Role Descriptions: Must Have Technical Functional Skills Desig... more
  • 4 Days Ago


Not the job you're looking for? Here are some other Senior C++ Engineer jobs in the Sunnyvale, CA area that may be a better fit.

  • Noah AI Palo Alto, CA
  • The Vision At Noah , we’re building what comes after apps : An operating system for executive intelligence - ambient, agentic AI that runs your work life q... more
  • 23 Days Ago

  • Qualcomm Technologies Santa Clara, CA
  • Company: Qualcomm Atheros, Inc. Job Area: Engineering Group, Engineering Group > Software Engineering General Summary: *** This position is not eligible fo... more
  • 2 Days Ago

AI Assistant is available now!

Feel free to start your new journey!