Software Engineer C++

Octagon Group; Stevenage; On-site; GBP 70,000 - 95,000; Full time

Job summary

Octagon Group in Stevenage, Hertfordshire, is seeking a Senior Software Engineer (C/C++) to design, develop and maintain backend software with end-to-end ownership.

You will work closely with product teams to translate customer requirements into high-performance software and contribute to architecture and testing efforts to meet demanding timelines.

This role also offers the opportunity to mentor engineers and contribute to product evolution within a fast-paced, collaborative environment.

Qualifications

• Bachelor's degree in Computer Science or Software Engineering.
• 5+ years of software development experience.
• Strong C/C++ programming and OO design skills.
• Experience with Linux environments.

Responsibilities

• Design, develop, and maintain complex backend software solutions with full end-to-end ownership
• Contribute to system architecture and ongoing product evolution
• Develop high-quality, performant software to agreed timescales
• Collaborate closely with product owners and cross-functional teams
• Support testing and quality-focused activities to ensure excellent product delivery
• Mentor and support junior engineers within the team

Skills

C/C++

Linux

Network programming

Multithreading

Python

OO design

Mentoring

Education

Bachelor's degree in Computer Science or Software Engineering

Tools

GNU tools (gcc, gdb)

Job description

Senior Software Engineer (C/C++) - Stevenage, Hertfordshire

A leading technology company developing cutting-edge test & measurement solutions for global networks is looking for a Senior Software Engineer (C/C++) to join its growing R&D team.

You’ll be part of a collaborative, multi-disciplinary environment, working closely with product, sales, and marketing teams to turn real-world customer requirements into high-performance, innovative software solutions. This is a fantastic opportunity to work on complex systems within a fast-paced, product-focused environment.

The Role - Senior Software Engineer (C/C++) - Stevenage, Hertfordshire

• Design, develop, and maintain complex backend software solutions with full end-to-end ownership
• Contribute to system architecture and ongoing product evolution
• Develop high-quality, performant software to agreed timescales
• Collaborate closely with product owners and cross-functional teams
• Support testing and quality-focused activities to ensure excellent product delivery
• Mentor and support junior engineers within the team

Key Skills & Experience - Senior Software Engineer (C/C++) - Stevenage, Hertfordshire

• Degree in Computer Science, Software Engineering, or similar
• 5+ years’ experience in software development
• Strong C/C++ programming and object-oriented design skills
• Experience working in a Linux environment (GNU tools such as gcc, gdb)
• Network programming and multithreading experience
• Python programming knowledge
• Proven ability to break down complex problems and deliver solutions
• Experience mentoring or supporting other engineers
• Strong communication and collaboration skills