Principal Software Engineer - C++, Python

Software Development & Engineering; Oxford; Hybrid; GBP 57,000 - 68,000; Full time

Job summary

A leading scientific software company in Oxford seeks a skilled engineer to design, develop, and maintain software for precision instruments. You will write C++ and Python code, collaborate with diverse teams, and ensure smooth hardware/software integration. The role offers a hybrid work model with competitive salary and benefits, including 25 days annual leave and career development opportunities.

Benefits

Up to £68,000 plus bonus scheme

25 days annual leave + bank holidays

Pension contribution and comprehensive benefits package

Opportunities for career development

Qualifications

• Strong experience in C++ and Python for complex systems.
• Solid Linux development background.
• Proven ability to deliver maintainable, high-performance software.

Responsibilities

• Design, develop, and maintain software for precision instruments.
• Write modern C++ and Python in a Linux environment.
• Work with engineers, technicians, manufacturing teams, and scientists.

Skills

C++

Python

Linux development

Testing and validation

Communication skills

Education

Degree in Computer Science, Engineering, Physics, or equivalent

Job description

Looking for a role where your work genuinely matters? This is your chance to join a close-knit engineering team building software that powers world‑class scientific instruments. These systems help researchers push the boundaries of physics and materials science and you'll play a key part in making that happen. If you enjoy solving complex problems, collaborating across disciplines, and want to see your code make a real impact, this could be the perfect fit.

What you’ll do 🛠️

• Own the lifecycle : Design, develop, and maintain software for precision instruments. 50% coding, 25% documentation, 25% coordination.
• Build clean solutions : Write modern C++ and Python in a Linux environment, delivering robust, maintainable code.
• Collaborate widely : Work with engineers, technicians, manufacturing teams, and scientists to turn business requirements into technical solutions.
• Hardware integration : Interface with programmable instruments and ensure smooth hardware / software interaction.
• Test and validate : Create and run unit and integration tests to guarantee reliability.
• Lead by influence : Mentor junior engineers and contribute technical input during design reviews.

What you’ll bring 🧠

• Strong experience in C++ and Python for complex systems.
• Solid Linux development background.
• Proven ability to deliver maintainable, high‑performance software.
• Degree in Computer Science, Engineering, Physics, or equivalent practical experience.
• Excellent communication skills and the ability to work across multiple teams.
• Strong experience in translating business requirements into technical solutions.

Working arrangement 🧭

• Hybrid : 3 days on‑site in Oxford, with early finish Fridays (1pm).
• Expect hands‑on collaboration in the lab for hardware integration and testing.

Salary & Benefits 🎁

• Up to £68,000 plus bonus scheme.
• 25 days annual leave + bank holidays.
• Pension contribution and comprehensive benefits package.
• Opportunities for career development in a growing, technology‑led business.

📩 Apply now or get in touch for a confidential chat about the role.