Senior Software Engineer (C++ & Swift)

Darktrace; Greater London; On-site; GBP 90,000 - 130,000; Full time

Benefits offered by this job

23 days' holiday + public holidays, up

Birthday day off

Private medical insurance for family

Life insurance 4x base salary

Salary sacrifice pension

Enhanced family leave

Employee Assistance Program

Cycle to work scheme

Job summary

Darktrace is hiring a Senior Software Engineer to lead and develop the macOS client using C++ and Swift. This hybrid role is based with a Cambridge team, requiring attendance in the office two days per week.

You will drive projects, collaborate across disciplines, review code, and write tests while mentoring teammates and advancing our cybersecurity software stack.

Qualifications

• Strong experience in modern C++ and macOS/Unix development environments.
• Proficiency with Swift or willingness to deepen expertise.
• Familiarity with Docker and cloud computing environments.

Responsibilities

• Build, design, and maintain the macOS codebase using C++ and Swift.
• Lead and contribute to projects from rapid prototyping to stable development.
• Collaborate with cross-functional teams to deliver robust solutions.
• Contribute to code reviews and maintain tests, docs, and developer enablement.
• Mentor teammates and help advance core competencies across languages.

Skills

Modern C++

Swift

Unix/macOS development

Docker

Cloud environments

Tools

Docker

Job description

Senior Software Engineer (C++ & Swift)

Lead development of the macOS Darktrace client in C++/Swift for a hybrid Cambridge team

Location: Greater London, England

About The Role

Senior Software Engineer

Darktrace is a global leader in AI for cybersecurity that keeps organizations ahead of the changing threat landscape every day. Founded in 2013, Darktrace provides the essential cybersecurity platform protecting nearly 10,000 organizations from unknown threats using its proprietary AI.

Join our esteemed R&D teams in Cambridge, where you'll play a pivotal role in the development and enhancement of products driving our company's rapid growth. As a Senior Software Engineer, you'll lead and contribute across a broad range of initiatives using a diverse and modern technology stack. Please note this is a hybrid role and requires attendance in the Cambridge office 2 days a week.

What Will I Be Doing:

• Building, designing, and maintaining the macOS codebase using modern C++ and Swift;
• Leading and contributing to projects ranging from rapid prototyping of new ideas to the structured development of existing platforms;
• Collaborating closely with cross-functional teams to deliver robust, high‑quality solutions;
• Participating in and contributing to code reviews to ensure engineering excellence and knowledge sharing;
• Writing and maintaining high-quality tests, documentation, and developer enablement materials;
• Driving the advancement of our unique methodology for defending against unknown cyber‑attacks;
• Fostering innovation and creativity in your approach, alongside traditional project‑based development;
• Developing and mentoring team members in core competencies across multiple programming languages, with opportunities to specialize in specific technology areas.

What Experience Do I Need:

• Strong experience in modern C++;
• Experienced with Swift or keen to deepen your expertise;
• Knowledgeable in Unix/macOS development environments;
• Comfortable working autonomously, making sound technical decisions, while collaborating effectively within a team;
• Knowledgeable or deeply interested in cyber‑security and malware forensics;
• Experienced in statistical analysis of static or dynamic systems;
• Proficient with Docker;
• Familiar with cloud computing environments.

Benefits:

• 23 days' holiday + all public holidays, rising to 25 days after 2 years of service;
• Additional day off for your birthday;
• Private medical insurance which covers you, your cohabiting partner and children;
• Life insurance of 4 times your base salary;
• Salary sacrifice pension scheme;
• Enhanced family leave;
• Confidential Employee Assistance Program;
• Cycle to work scheme.