Backend Software Engineer – Telecom Protocols

Oxydata Software; Selangor; Hybrid; MYR 120,000 - 180,000; Full time

Job summary

Oxydata Software in Malaysia is seeking an experienced Backend Software Engineer - Telecom Protocols to develop and maintain telecom protocol decoders for LTE, 5G NR, GSM and WCDMA.

You will work with distributed teams across Sweden, India, and Malaysia in an Agile environment, implement ICD updates, optimize performance with SQL Server, and contribute to release notes and documentation.

Qualifications

• Degree in Computer Science, Telecommunications or equivalent.
• 4–5 years of strong software development experience in C# and C/C++.
• Strong knowledge of LTE, 5G NR, GSM and WCDMA telecom protocols.
• Experience interpreting chipset ICD specifications (Qualcomm, Samsung, MediaTek).
• Proficiency with SQL Server and T‑SQL; familiarity with NAS, RRC, RLC, MAC, PHY.
• Ability to read ICD documents and collaborate with global teams.

Responsibilities

• Develop and maintain telecom protocol decoders for LTE, 5G NR, GSM, and WCDMA.
• Implement ICD updates for leading vendors and decode protocol layers.
• Analyze consumption metrics and support network troubleshooting and benchmarking.
• Optimize backend performance with SQL Server and T‑SQL.
• Produce release notes, changelogs and user documentation.
• Collaborate with distributed teams in Sweden, India and Malaysia in Agile sprints.

Skills

C#

C/C++

Telecom protocols

SQL Server

Network protocols

Education

Bachelor's degree in Computer Science or Telecommunications

Tools

QXDM

Wireshark

Job description

Jora Malaysia will close on 9th September 2026. Thank you for being with us, we are cheering you on as you continue your career journey.

Location: Damansara, Malaysia
Work Mode: Hybrid

Employment type: Permanent

Our client is a global technology services and digital engineering organization with multi-billion-dollar revenue and operations across numerous countries worldwide. With a workforce of over 20,000 professionals, they deliver innovative solutions in cloud, data, AI, and enterprise modernization to leading enterprises across industries.

We are seeking an experienced Backend Software Engineer - Telecom Protocols to develop and maintain backend services supporting advanced telecommunications platforms.

Responsibilities

• Develop and maintain telecom protocol decoders for LTE, 5G NR, GSM, and WCDMA message parsing.
• Implement chipset-specific ICD (Interface Control Document) updates for leading vendors such as Qualcomm, Samsung, and MediaTek.
• Decode throughput metrics and implement parsing for NAS, RRC, RLC, MAC, and PHY protocol layers.
• Design and implement assignment orchestration systems and support network troubleshooting and benchmarking capabilities.
• Optimize database and application performance using SQL Server and T-SQL.
• Resolve chipset-specific decoder issues and troubleshoot production defects and customer escalations.
• Support release activities, including preparing release notes, code freezes, and user manual updates.
• Collaborate with distributed teams across Sweden, India, and Malaysia, participating in architecture reviews and Agile sprint activities.
• Maintain and update technical documentation, including user manuals and changelogs.

Requirements

Must-have:

• Degree in Computer Science, Telecommunications or an equivalent qualification.
• Minimum four to five years of strong software development experience in C# and C/C++.
• Deep understanding of telecom protocols, including LTE, 5G NR, GSM, and WCDMA.
• Experience interpreting and implementing chipset ICD (Interface Control Document) specifications.
• Knowledge of SQL Server and T-SQL.
• Understanding of network protocol stacks, including NAS, RRC, RLC, MAC, and PHY.
• Ability to interpret complex chipset ICD specification documents from Qualcomm, Samsung, and MediaTek.
• Strong technical documentation skills, including user manuals, release notes, and changelogs.
• Ability to collaborate effectively with globally distributed teams across Sweden, India, and Malaysia.
• Customer-oriented approach to resolving production defects and L3 escalations.

Nice-to-have:

• Experience with Qualcomm, Samsung Exynos, or MediaTek chipset decoding.
• Experience using protocol analysis tools such as QXDM and Wireshark.
• Experience in telecommunications analytics or network optimisation.
• Experience handling large datasets and high-performance protocol parsing.

Education:

• Degree in Computer Science, Telecommunications or an equivalent qualification.

Why Join Us

• Be part of a dynamic, collaborative environment where your expertise will directly impact advanced telecom solutions used globally.
• Opportunity to work with cutting-edge technologies, solve complex challenges, and collaborate with talented professionals across multiple countries.
• Grow your career in a company that values innovation, quality, and continuous improvement.