Senior Software Engineer (C++ & Swift)

Darktrace; Cambridge; Hybrid; GBP 85,000 - 120,000; Full time

Benefits offered by this job

23 days’ holiday + public holidays

Birthday day off

Private medical insurance

Life insurance 4x base

Pension scheme

Family leave

Employee Assistance Program

Cycle to work

Job summary

Darktrace in Cambridge is seeking a Senior Software Engineer to lead and contribute across a broad range of initiatives, developing and maintaining the macOS codebase with C++ and Swift in a hybrid role requiring two days per week in the office.

You will collaborate with cross-functional teams, drive code reviews, write tests, and mentor colleagues while advancing our defense against unknown cyber-attacks and exploring new technologies.

Qualifications

• Strong experience in modern C++.
• Experience with Swift or keen to deepen expertise.
• Knowledgeable in Unix/macOS development environments.
• Comfortable working autonomously and making sound technical decisions.
• Knowledgeable or deeply interested in cyber-security and malware forensics.
• Proficiency in statistical analysis of static or dynamic systems.

Responsibilities

• Building, designing, and maintaining the macOS codebase using modern C++ and Swift.
• Leading and contributing to projects from rapid prototyping to structured development.
• Collaborating with cross-functional teams to deliver robust, high-quality solutions.
• Participating in code reviews to ensure engineering excellence and knowledge sharing.
• Writing and maintaining tests, documentation, and developer enablement materials.
• Developing and mentoring team members in core competencies across multiple languages.

Skills

Modern C++

Swift

Unix/macOS

Docker

Cloud computing

Autonomous work

Cybersecurity

Malware forensics

Tools

Docker

Job description

Darktrace is a global leader in AI-driven cybersecurity, helping organizations stay ahead of evolving threats every day.

Darktrace was built on a genuinely differentiated idea: that Adaptive AI could detect and respond to novel, real-time cyber threats. That approach matters more than ever in the era of AI. Today, our customers depend on us to stay ahead.

At Darktrace, we are energized by that responsibility. We work across teams and rally around a shared goal. We own outcomes end to end - step in, step up and see things through without waiting to be asked. We make decisions with urgency, say the hard thing, and hold each other to high standards with care and directness. We move first and learn fast anticipating where our customers are going next, continuously challenging ourselves.

We invest in the skills, learning and opportunities that help people deliver at the level their roles demand, and reward the aptitude and curiosity to grow beyond them.

Our Values: Own It | Win as One | Raise Our Bar | Move First. Learn Fast

Job D description:

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 specialise in specific technology areas.

What experience do i need:

We seek senior engineers with a solution‑focused mindset and a highly analytical approach to problem‑solving. During the interview process, you’ll demonstrate your ability to write production‑quality code and reason clearly about complex systems. You should be:

• 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.

As a growing business strengthening its governance and controls, this role plays a part in supporting high standards of integrity and accountability.

Darktrace is an Equal Opportunity Employer. We consider all qualified applicants for employment without regard to race, color, religion, sex (including pregnancy, childbirth, and related medical conditions), sexual orientation, gender identity or expression, national origin, age, disability, genetic information, marital status, veteran or military status, or any other characteristic protected by applicable federal, state, or local law.

Darktrace is committed to providing reasonable accommodations to qualified individuals with disabilities in accordance with applicable laws. If you require a reasonable accommodation to participate in the application or interview process, please contact your Talent Partner.