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C,C++ Developer @ Calsoft

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 C,C++ Developer

Job Description

  • Design, develop, and maintain C++ applications for networking and distributed systems.
  • Implement and optimize network protocols (TCP/IP, UDP, HTTP, SNMP, etc.).
  • Work on low-level system programming for Linux/Unix environments.
  • Debug, profile, and optimize networking code for latency, throughput, and scalability.
  • Collaborate with QA, DevOps, and product teams to deliver production-ready releases.
  • Participate in code reviews, design discussions, and performance benchmarking.
  • Contribute to documentation, best practices, and reusable frameworks.

Required Skills & Experience


  • 6+ years of professional experience in C++ software development.
  • Strong knowledge of data structures, algorithms, and multithreading.
  • Hands-on experience with networking protocols (L2/L3, TCP/IP stack, routing, switching, sockets programming).
  • Proficiency in Linux system programming, IPC, and memory management.
  • Experience in debugging with tools like gdb, valgrind, perf.
  • Familiarity with version control (Git) and CI/CD pipelines.

Good to Have

  • Experience with DPDK, RDMA, or SDN/NFV frameworks.
  • Knowledge of 5G, Telco networking stacks, or Virtual Networking Functions (VNFs)
  • Exposure to containerized environments (Docker, Kubernetes).
  • Basic understanding of Python/Go for automation and scripting.

Location : Pune | Bangalore | Kolkata | Indore

Job Classification

Industry: IT Services & Consulting
Functional Area / Department: Consulting
Role Category: IT Consulting
Role: IT Consulting - Other
Employement Type: Full time

Contact Details:

Company: Calsoft
Location(s): Kolkata

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Keyskills:   C Programming Language C++ Storage Protocols Data Structures Linux Development Network Programming networking Memory Management Linux Internals Distribution System Storage Domain System Programming Storage Multithreading File System Ipcs Socket Programming

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