Senior C/C++ Engineer — Hybrid (Stevenage) Backend Systems

Octagon Group; Watford; Hybrid; GBP 60,000 - 90,000; Full time

Job summary

Octagon Group is seeking a Senior Software Engineer (C/C++) in Stevenage, Hertfordshire, with a hybrid working model. You will join a collaborative R&D team to deliver high-performance software that meets real-world customer requirements.

The role emphasizes designing and maintaining complex backend systems, translating requirements into scalable designs, and mentoring junior engineers while collaborating with product and cross-functional teams.

Qualifications

• Degree in Computer Science, Software Engineering, or similar.
• 5+ years of software development experience.

Responsibilities

• Design, develop, and maintain complex backend software with end-to-end ownership.
• Translate requirements into scalable system designs.
• Contribute to architecture and product evolution.
• Develop high-quality, performant software to deadlines.
• Collaborate with product owners and cross-functional teams.
• Support testing and quality assurance activities.
• Mentor and support junior engineers.

Skills

C/C++

Python

Linux

Network programming

Multithreading

Object-oriented design

Mentoring

Communication

Education

Bachelor's degree in Computer Science / Software Engineering

Tools

GCC

GDB

Job description

Octagon Group is seeking a Senior Software Engineer (C/C++) in Stevenage, Hertfordshire, with a hybrid working model. You will join a collaborative R&D team to deliver high-performance software that meets real-world customer requirements.

The role emphasizes designing and maintaining complex backend systems, translating requirements into scalable designs, and mentoring junior engineers while collaborating with product and cross-functional teams.