> Markdown version of [/jobs/ext/2892667-software-engineer](https://www.wearedevelopers.com/jobs/ext/2892667-software-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Software Engineer

- **Company:** Spectrum IT Recruitment
- **Location:** Portsmouth, UK
- **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 14, 2026
- **Apply:** https://www.apply4u.co.uk/jobs/software-engineer/47114636

## About the Role

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 What We're Looking For 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. Spectrum IT Recruitment (South) Limited is acting as an Employment Agency in relation to this vacancy. JBRP1_UKTJ

## Description

Spectrum IT Recruitment is working with an innovative technology business at the forefront of 5G and wireless communications , who are looking for a talented Software Engineer to join their growing software team in Southampton. 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


## Related Videos

- [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker)
- [Unleashing the Full Potential of the Arm Architecture – Write Once, Deploy Anywhere](https://www.wearedevelopers.com/videos/940-unleashing-the-full-potential-of-the-arm-architecture-write-once-deploy-anywhere)
- [Docker exec without Docker](https://www.wearedevelopers.com/videos/1094-docker-exec-without-docker)
- [Unlocking the potential of Digital & IT at Vodafone](https://www.wearedevelopers.com/videos/602-unlocking-the-potential-of-digital-it-at-vodafone)
- [More efficient software for more efficient microchips](https://www.wearedevelopers.com/videos/1164-more-efficient-software-for-more-efficient-microchips)
- [Discover the open source trio you didn’t expect: .NET and PostgreSQL on Linux](https://www.wearedevelopers.com/videos/2042-discover-the-open-source-trio-you-didn-t-expect-net-and-postgresql-on-linux)

## Related Articles

- [Where To Find Software Engineering Jobs](https://www.wearedevelopers.com/magazine/396-where-to-find-software-engineering-jobs)
- [Best Countries for Software Engineers](https://www.wearedevelopers.com/magazine/267-best-countries-for-software-engineers)
- [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated)
- [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs)
- [Is Software Engineering Hard?](https://www.wearedevelopers.com/magazine/448-is-software-engineering-hard)
- [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs)