Senior Software Engineer (C++ & Swift) at Darktrace in Cambridge Office, United Kingdom
- Company: Darktrace
- Location: Cambridge Office, United Kingdom
- Posted: Sep 17, 2026
- Type: Full-time
- Experience: 6+ years
Overview
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.
Job 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
Responsibilities
- 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.
Requirements
- 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.
Skills
Required
- Strong experience in modern C++
- Proficient with Docker
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.
About Darktrace
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