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LanceSoft, Inc. Linkedin · Posted 3d ago

Senior Backend Developer – .NET & RF Protocols

Kuala Lumpur

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We're Hiring | Senior Backend Developer – .NET & RF Protocols

Location: Kuala Lumpur, Malaysia

Employment Type: Contract / Permanent

Experience: 5–12 Years

Are you an experienced C#/.NET Developer with a strong background in telecom protocols, backend systems, and high-performance applications? Join our global engineering team and contribute to the development of industry-leading network testing and analytics platforms.


What You'll Do

  • Develop and maintain backend services using C#/.NET and C/C++.
  • Build and enhance telecom protocol decoders for LTE, 5G NR, GSM, and WCDMA.
  • Implement chipset-specific protocol updates for Qualcomm, Samsung Exynos, and MediaTek based on ICD specifications.
  • Develop protocol parsers for NAS, RRC, RLC, MAC, and PHY layers.
  • Decode throughput metrics such as PDSCH, PUSCH, and MAC DL/UL scheduling.
  • Optimize backend performance, database operations, and large-scale data processing.
  • Develop geospatial and map visualization components using TypeScript.
  • Troubleshoot production issues, customer escalations, and protocol decoding challenges.
  • Participate in architecture reviews, sprint planning, and release management activities.

Required Skills

  • 5–12 years of software development experience
  • Strong expertise in C#/.NET and C/C++
  • Hands-on experience with LTE, 5G NR, GSM, or WCDMA technologies
  • Knowledge of SQL Server/T-SQL
  • Experience with telecom protocol decoding and message parsing

Preferred Skills

  • 3GPP protocol stack knowledge (NAS, RRC, RLC, MAC, PHY)
  • Qualcomm QXDM, Wireshark, or other protocol analysis tools
  • Experience with Qualcomm, Samsung Exynos, or MediaTek chipsets
  • Understanding of chipset ICD specifications
  • TypeScript and geospatial/map UI development
  • Telecommunications analytics, benchmarking, or network optimization
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