Senior Software Engineer

Spectrum IT Recruitment; Southampton; Presencial; GBP 70.000 - 95.000; Jornada completa

Descripción de la vacante

Spectrum IT Recruitment is seeking a Senior Software Engineer to join their Southampton software team, focusing on C/C++ development for high‑performance 5G NR PHY software. The role requires taking technical ownership of performance challenges and delivering reliable software in collaboration with hardware, architecture and system-test teams.

You will drive optimisation, multithreading, and automated testing within a demanding technical environment, while supporting interoperability testing

Formación

• Extensive commercial experience developing software in C or C++.
• Strong software engineering fundamentals and sound technical judgement.
• Proven experience with multithreaded or high‑performance software.
• Ability to take ownership of complex performance and optimisation challenges.

Responsabilidades

• Take technical ownership of C/C++ software development used to run and test 5G NR PHY algorithms.
• Drive software performance improvements through optimisation and multithreading.
• Lead the integration of software components and resolution of complex technical issues.
• Develop and maintain automated testing and CI processes.
• Collaborate with hardware, architecture and system-test teams.
• Support interoperability testing with customers, vendors and operators.
• Provide senior technical input into reviews and wider software engineering decisions.

Conocimientos

C/C++

Multithreaded software

High‑performance software

Ownership of performance

Descripción del empleo

Spectrum IT Recruitment is working with an innovative technology business at the forefront of 5G and wireless communications. They're looking for a Senior Software Engineer to join their software team in Southampton.

This role would suit an experienced engineer whose main focus is C or C++ software development, particularly in multithreaded or high-performance systems.

The Role

You’ll take a leading role in developing, integrating and optimising software that supports the company’s 5G NR Physical Layer (PHY) technology. Working with software, hardware, architecture and system-test teams, you’ll tackle complex performance challenges and help shape reliable software for a demanding technical environment.

Key Responsibilities

• Take technical ownership of C/C++ software development used to run and test 5G NR PHY algorithms
• Drive software performance improvements through optimisation and multithreading
• Lead the integration of software components and resolution of complex technical issues
• Develop and maintain automated testing and CI processes
• Collaborate with hardware, architecture and system-test teams
• Support interoperability testing with customers, vendors and operators
• Provide senior technical input into reviews and wider software engineering decisions

What We're Looking For

Essential:

• Extensive commercial experience developing software in C or C++
• Strong software engineering fundamentals and sound technical judgement
• Proven experience with multithreaded or high-performance software
• The ability to take ownership of complex performance and optimisation challenges

Desirable:

• Knowledge of SIMD or hardware acceleration
• An understanding of signal processing
• Exposure to 5G, O-RAN or fronthaul protocols such as eCPRI

Spectrum IT Recruitment (South) Limited is acting as an Employment Agency in relation to this vacancy