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# Software Engineer

- **Company:** Spectrum IT Recruitment
- **Location:** Southampton, UK
- **Salary:** £45,000.0 - £50,000.0
- **Contract:** Permanent contract
- **Skills:** Bash Shell, C++ (Programming Language), Linux, Field-Programmable Gate Array (FPGA), Groovy, Interoperability, Python (Programming Language), Performance Tuning, Signal Processing, Software Engineering, Systems Architecture, Systems Integration, Vivado, O-RAN, Multithreading, Scripting, 5G NR, Hardware Acceleration
- **Published:** September 30, 2026
- **Apply:** https://www.cv-library.co.uk/job/225580266/Software-Engineer

## About the Role

Essential:

 * Strong C or C++ development experience
 * Experience with a scripting language such as Python, Groovy or Bash
 * Strong software engineering fundamentals and an interest in performance optimisation

Desirable:

 * Experience developing for real-time embedded systems and Linux
 * Knowledge of SIMD, FPGA or DSP-based hardware acceleration
 * Understanding of signal processing and optimisation techniques
 * Experience with FPGA toolchains, particularly Xilinx Vivado
 * Exposure to O-RAN architecture and fronthaul protocols such as eCPRI
 * Experience working with ARM-based platforms

Why This Opportunity?

This is a chance to work on genuinely cutting-edge 5G technology, tackling interesting engineering challenges around performance, embedded systems and hardware acceleration.

If you're a Software Engineer who enjoys working at the intersection of software, hardware and wireless communications, we'd love to hear from you.

## Description

This is an excellent opportunity for a Software Engineer with strong C/C++ skills who enjoys working close to the hardware and solving challenging performance and optimisation problems.

The Role

You'll be responsible for developing, integrating and optimising the infrastructure software underpinning 5G NR Physical Layer (PHY) systems, with a particular focus on delivering real-time performance across embedded platforms.

You'll work closely with software, hardware, architecture and system-test teams, contributing to the development of high-performance 5G technology.

Key Responsibilities

Develop software used to run and test 5G NR PHY algorithms
Develop and optimise platform-specific code for embedded systems
Apply SIMD, multi-threading and hardware acceleration techniques
Integrate PHY algorithms with ARM-based platforms and boards
Improve and maintain CI testing across the platform
Support interoperability testing with customers, vendors and operators
Work closely with hardware, system architecture and system-test teams
Contribute to technical reviews and customer-facing activities


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