Junior 5G RAN Protocol Developer L1

Tieto; Bengaluru; On-site; INR 2,000,000 - 4,000,000; Full time

Job summary

Tieto in Bangalore is seeking a Junior 5G RAN Protocol Developer- L1 with 5+ years in eNB/gNB software development. The role focuses on leading design, implementation and testing of 5G features, and mentoring junior teammates in a fast-paced, cross-functional environment.

Strong knowledge of LTE/NR, 3GPP standards, Linux, and CI/CD practices is required. Excellent communication skills and documentation are essential for success in this position.

Qualifications

• 5+ years in eNB/gNB software development.
• Experience with 4G/5G L1/L2 feature design preferred.
• Strong communication and documentation skills.

Responsibilities

• Lead tasks from systemization to testing of 5G features.
• Oversee design, implementation, and verification.
• Mentor junior developers within the team.
• Collaborate with cross-functional teams for high-quality features.
• Conduct code reviews and enforce coding standards.
• Review technical artifacts (requirements, design, guides, release notes, test plans).
• Develop and optimize algorithms/protocols per 3GPP standards.
• Participate in architecture/process improvement initiatives.

Skills

C programming

C++ programming

5G L1/L2 protocols

3GPP standards

Linux OS

DPDK

CI/CD

Git

Jira

Education

B.E./B.Tech./M.Tech in ECE/CS

Tools

Git

Gerrit

Jenkins

Spinnaker

Jira

Job description

Job Title: Junior 5G RAN Protocol Developer- L1

Location: Bangalore
Experience: 5+ years in eNB/gNB software development, particularly designing 4G/5G radio L1/L2 or Baseband will be an advantage

Education:

• B.E./B.S./B.Tech./M.S./M.E./M.Tech. in Electrical Electronics/Computer Science (related branches will be considered)
• Strong academic background with excellent oral and written communication skills

Responsibilities

• Lead tasks ranging from systemization, design, to software development and testing of 5G features.
• Oversee and guide the development process including SW design, implementation, and verification/integration.
• Provide mentorship and guidance to junior developers within the team.
• Collaborate with cross-functional teams to ensure high-quality feature development.
• Conduct code reviews and ensure adherence to best practices and coding standards.
• Review of technical artifacts (Requirements, Design, User guides, release notes, test plans) generated by the team.
• Develop and optimize algorithms and protocols in alignment with 3GPP standards.
• Participate in continuous improvement initiatives for current architecture and development processes.

Skills Required

• Highly skilled in software design, C programming, and C++ programming on General Purpose Processors (GPP) and on Purpose-Built ASIC Architecture.
• Strong understanding of 3GPP radio access standardization of LTE & NR , ORAN split architecture (preferably Radio protocols) , including algorithms and protocols.
• Experience in feasibility studies and simulation of L1/PHY related features or Packet Scheduler algorithms.
• Strong understanding of 3GPP radio access standardization, including algorithms and protocols.
• Extensive experience in developing, systemizing, and testing software for 5G Layer 1/Layer 2 protocols.
• Should have good understanding of 3GPP protocols like LTE and 5G NR. Should have strong understanding of end-to-end RAN system. Solid understanding of Communications Systems, knowledge of PHY/MAC layers in 4G, 5G.
• Proficient with test methodologies, tools, and simulators at the system and node level.
• Solid understanding of the Linux operating system and optimizing data processing paths using DPDK and Smart Network Interface Cards.
• Experience with CI/CD principles and tools, such as Jenkins and Spinnaker.
• Proficient in using version control tools such as Git, Gerrit, and project management tools like Jira.
• Knowledge about agile and lean methodologies.
• Self-driven and proactive approach.
• Excellent communication and documentation skills.
• Proficient in English.