Senior Software Engineer – High-Perf Network Emulation

Calnex Solutions Ltd.; Stevenage; Hybrid; GBP 65,000 - 90,000; Full time

Benefits offered by this job

Contributory pension plan

Private healthcare

Performance bonus

Employee Share Incentive Plan

Job summary

Calnex Solutions Ltd. is seeking a C/C++ Senior Software Engineer to join its R&D team in the UK. You will design and deliver high-performance back-end software for the NE-ONE network emulation product family, collaborating with product owners and a small team in a fast-paced environment.

We expect 5+ years in software development, strong C++ skills, Linux/GNU experience, and mentoring ability. The role requires hybrid working with 2 days in the office (Tue/Thu) and occasional home-based work,

Qualifications

• Educated to Degree level in Computer Science, Software Engineering, or equivalent.
• At least 5 years' experience in software development.
• At least 2 years' experience developing in a Linux environment using the GNU toolchain.
• At least 2 years' experience mentoring and supporting other engineers.
• Strong C++ programming experience and object-oriented techniques.
• Experience with network and real-time/high-performance software.

Responsibilities

• Design, implement, and maintain complex back end solutions with end-to-end ownership.
• Collaborate with product owners to translate high level requirements into deliverables.
• Contribute to architecture and evolution of system software for performance and scalability.
• Estimate timescales and deliver high-quality software within deadlines.
• Support quality activities to deliver a product that delights customers.

Skills

C++ programming

Object-oriented design

Linux development

Multithreading

Network programming

Python programming

High-performance computing

Real-time systems

Analytical thinking

Debugging & profiling

Education

Degree in Computer Science or Software Engineering

Tools

Docker

Container orchestration

Jenkins

GitHub Actions

DPDK

Terraform

AWS

Job description

Calnex Solutions Ltd. is seeking a C/C++ Senior Software Engineer to join its R&D team in the UK. You will design and deliver high-performance back-end software for the NE-ONE network emulation product family, collaborating with product owners and a small team in a fast-paced environment.

We expect 5+ years in software development, strong C++ skills, Linux/GNU experience, and mentoring ability. The role requires hybrid working with 2 days in the office (Tue/Thu) and occasional home-based work,