jobs in Arbeit Consultancy Services Sdn Bhd

Arbeit Consultancy Services Hiring! Full Time Senior Backend Developer (.NET - RF Protocols) in Selangor - Ricebowl

Senior Backend Developer (.NET - RF Protocols)

Arbeit Consultancy Services Sdn Bhd

Undisclosed

Full Time

Petaling Jaya, Selangor

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Working Location

  • Petaling Jaya Selangor Malaysia

Job Description

Responsibilities

About the Role

We are seeking a Senior Backend Developer (.NET & RF Protocols) to join our engineering team and contribute to the development of next-generation telecom network testing solutions. You will be responsible for designing and maintaining backend services, implementing telecom protocol decoders, optimizing system performance, and supporting LTE, 5G NR, GSM, and WCDMA technologies across a large-scale C#/.NET and C++ codebase.

Key Responsibilities

  • Develop and maintain telecom protocol decoders for LTE, 5G NR, GSM, and WCDMA.
  • Implement chipset-specific ICD updates for Qualcomm, Samsung, and MediaTek.
  • Decode throughput metrics including PDSCH, PUSCH, and MAC DL/UL throughput.
  • Develop protocol parsers for NAS, RRC, RLC, MAC, and PHY layers.
  • Design and implement backend orchestration systems and workflow execution.
  • Develop and enhance geospatial map UI components using TypeScript.
  • Optimize application and database performance using SQL Server and T-SQL.
  • Troubleshoot production issues and resolve customer-reported defects.
  • Support release management, documentation, changelogs, and technical manuals.
  • Collaborate with global engineering teams on architecture, feature development, and product improvements.

Required Qualifications

  • Bachelor's Degree in Computer Science, Telecommunications, or a related discipline.
  • Strong experience with C#/.NET development.
  • Hands-on experience with C/C++ programming.
  • Deep understanding of LTE, 5G NR, GSM, and WCDMA protocols.
  • Strong knowledge of SQL Server and T-SQL.

Preferred Skills

  • Experience with NAS, RRC, RLC, MAC, and PHY protocol stacks.
  • Qualcomm, Samsung Exynos, or MediaTek chipset decoding experience.
  • Experience implementing chipset ICD specifications.
  • TypeScript development for web or geospatial applications.
  • Familiarity with QXDM, Wireshark, or similar protocol analysis tools.
  • Experience in telecom analytics, network optimization, or drive testing.

Why Join Us?

  • Work on cutting-edge LTE & 5G technologies.
  • Build enterprise-scale telecom software used globally.
  • Collaborate with international engineering teams.
  • Excellent opportunity to work on high-performance backend systems.

Work Location: Hybrid remote in Petaling Jaya

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