

4G/ 5G L1 Developer
β - Featured Role | Apply direct with Data Freelance Hub
This role is for a 4G/5G L1 Developer in San Diego, CA, offering a long-term contract with a pay rate of $10K to $12K per month. Requires 7+ years in C/C++ development, 5+ years in real-time Linux systems, and L1 (PHY Layer) experience.
π - Country
United States
π± - Currency
$ USD
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π° - Day rate
571.4285714286
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ποΈ - Date discovered
September 17, 2025
π - Project duration
Unknown
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ποΈ - Location type
On-site
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π - Contract type
Unknown
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π - Security clearance
Unknown
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π - Location detailed
San Diego, CA
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π§ - Skills detailed
#C++ #Debugging #Signal Processing #Integration Testing #Linux #Code Reviews #Computer Science #Unit Testing
Role description
Job Title: 4G/ 5G L1 Developer
Location: San Diego, CA
Job Type: Long Term Contract
Salary:10K to 12K per Month
Job Description:
Key Responsibilities:
As a Senior Software Engineer (L1/PHY), you will design and implement real-time C/C++ software for high performing wireless systems. This includes designing, developing, coding, testing, and verifying major system features. You will participate in and enhance software processes, including design reviews, code reviews, and continuous integration. Also, you will work with systems design and test teams to integrate and validate novel 3GPP wireless technology concepts.
Qualifications:
β’ BS Computer Science, Computer Engineering, or closely related field
β’ 7+ years of recent and hands-on software development experience with C and/or Modern C++
β’ 5+ years of experience developing software for real-time Linux systems
β’ 5+ years of experience with 5g or 4g L1 (PHY Layer) specs and stack development.
Preferred Qualifications
β’ MS Computer Science, Computer Engineering, or closely related field.
β’ Experience with Intel ecosystem: CPU architecture (AVX-512 instructions), NIC drivers, and DPDK (Data Plane Development Kit).
β’ Knowledge of digital signal processing. Linear algebra would be a plus.
β’ Networking concepts, protocol, and networking tools (e.g., Wireshark, tcpdump)
β’ Unit testing and end to end system integration testing.
β’ Debugging techniques for real-time software applications.
β’ Optimizing software performance.
Job Title: 4G/ 5G L1 Developer
Location: San Diego, CA
Job Type: Long Term Contract
Salary:10K to 12K per Month
Job Description:
Key Responsibilities:
As a Senior Software Engineer (L1/PHY), you will design and implement real-time C/C++ software for high performing wireless systems. This includes designing, developing, coding, testing, and verifying major system features. You will participate in and enhance software processes, including design reviews, code reviews, and continuous integration. Also, you will work with systems design and test teams to integrate and validate novel 3GPP wireless technology concepts.
Qualifications:
β’ BS Computer Science, Computer Engineering, or closely related field
β’ 7+ years of recent and hands-on software development experience with C and/or Modern C++
β’ 5+ years of experience developing software for real-time Linux systems
β’ 5+ years of experience with 5g or 4g L1 (PHY Layer) specs and stack development.
Preferred Qualifications
β’ MS Computer Science, Computer Engineering, or closely related field.
β’ Experience with Intel ecosystem: CPU architecture (AVX-512 instructions), NIC drivers, and DPDK (Data Plane Development Kit).
β’ Knowledge of digital signal processing. Linear algebra would be a plus.
β’ Networking concepts, protocol, and networking tools (e.g., Wireshark, tcpdump)
β’ Unit testing and end to end system integration testing.
β’ Debugging techniques for real-time software applications.
β’ Optimizing software performance.