Senior C++ VoIP Developer

3 hours ago


Ahmedabad Mumbai, India STL Digital Full time

Role & responsibilities

1. Job Profile

The Senior C++ VoIP Developer is a key technical expert responsible for the core design, development, and maintenance of our mission-critical VoIP applications. This role requires an individual contributor with a deep foundation in C/C++ and mandatory expertise in VoIP protocols (SIP, RTP, UDP, TCP). The Senior Developer will be critical in driving the transition to a microservices architecture and DB-agnostic solutions, providing technical guidance to other developers, and ensuring the delivery of high-quality, scalable code in a Linux development environment.

2. Position Overview

We are seeking Sr. Developers C++ and VoIP with In Depth knowledge of C++ programming with market running technologies. You will be responsible for designing, developing, and maintaining our core applications. This role requires a minimum of 6+ years of experience in C++ Programming with VoIP Domain. You will be a key contributor, working closely with the Product Owner and other teams to create functional features. You will also be instrumental in guiding the team toward a DB agnostic solution (Postgres, MySQL, CockroachDB, Oracle) aligned with an 80% Micro services enabled platform.

3. Experience Required

6+ years of experience in C++ Programming with the VoIP Domain. 5. Key Responsibilities The Senior C++ VoIP Developer will be responsible for, but not limited to:

Core Development & Architecture:

  • Design and development of new requirements, features, Troubleshooting, and meeting KRAs for Defects within given time.

Implement DB agnostic solution for databases like Postgres, MySQL, CockroachDB, and Oracle.

  • Experience in OS Migration activity and ensuring the backend is supportive to that change.

Experience in Monolithic to Micro service migration.

  • Conduct research, design, prototyping and other exploration activities.

Technical Leadership & Autonomy:

  • Ability to work independently and act as an independent contributor.
  • Ability to guide developers on Design, code, solution, and review.
  • Self-learning, able to understand code, fix issues, and work on requirements.

Agile & Quality Assurance:

Collaborate with the Product Owner to create and refine user stories and acceptance criteria.

Participate in PI Planning and creating Iteration plans and Team PI Objectives.

  • Create unit tests and automated acceptance tests.
  • Checking new code into the shared source code repository.
  • Executing acceptance tests and maintaining the test cases in a shared repository.

Tech Stack & Core Competencies Must-Have Skills (Point-Wise):

  • Programming: In Depth knowledge of C, C++ programming and proficient in OOP concepts.
  • Core CS Concepts: Good at Data Structures and Algorithms and strong experience with Multi-Threading.
  • VoIP Protocols: Hands-on experience on SIP, RTP, UDP and TCP protocols.
  • VoIP Applications: Working knowledge of SIP Server Application (B2BUA) or a SIP Client.
  • Operating Systems: Development experience in Linux Environment.
  • Databases: Hands-on experience in Oracle, MySQL, PostgreSQL database and well versed with database concepts. Experience with SQL and No-SQL databases.
  • Quality/Dev Tools: Hands-on experience in Unit testing framework, build automation tools , and familiarity with version control systems such as Git.
  • SDLC: Should have experience in working at different levels of SDLC.

Nice to Have (Bonus Points):

Methodology: Exposure to Agile/Scrum methodology.

Architecture: Exposure to containers and micro services.

DevOps/Cloud: Knowledge of CICD pipeline for deployment and knowledge of cloud platform.

Quality Tools: Experience with static code analyzer like SonarQube.


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