Join a world-class team developing market-defining time travel debugging technology. You will work on low-level Linux systems to build a record-and-replay engine used by global technology giants. Whether joining the Roadmap, AI, or Customer Engineering teams, you will tackle complex technical challenges in C and Python within high-performance environments.
This job is no longer actively hiring. Talk to Jack to find live roles.
Software Engineer at Undo
Are you ready to build the future of 'time travel' debugging? Undo.io is looking for a Software Engineer (Graduate to 4 years experience) to join their world-class team in Cambridge. You will dive deep into low-level Linux programming and C to develop a unique record-and-replay engine used by the world's leading tech companies. If you love solving complex systems-level challenges and want to work on a product that is truly changing the software development landscape, this is the role for you.
Want to apply for this role?
This role is no longer actively hiring, but Jack can still help you discover similar open roles that fit.
Location
Cambridge, United Kingdom
Compensation
Not Disclosed
Company
Undo
Role overview
Software
Undo is a software debugging company based in Cambridge, UK, specializing in time travel debugging technology for Linux software. Their tools, including UDB and LiveRecorder, enable developers to record, replay, and debug complex C/C++, Rust, Go, Java, and Kotlin applications, particularly in large-scale codebases for networking, security, financial services, databases, and simulation systems, reducing debug times and improving productivity.
What you will do
- Develop and maintain the core record-and-replay engine using C and Python in a complex Linux environment.
- Take full ownership of software development tasks from estimation and coding through to quality improvement and code reviews.
- Collaborate directly with customers through technical calls and training to ensure success in high-stakes software development environments.
Who this is a fit for
- Holds a B.Sc. in Computer Science or a related subject with graduate to 4 years of commercial software engineering experience.
- Possesses strong technical proficiency in C and Python programming specifically within a Linux systems environment.
- Has an interest or experience in low-level systems such as debugger internals, compilers, assembly (x86/Arm), or kernel development.
===
Why this role is remarkable
- Work on unique, highly valuable "time travel" technology that allows developers to record and replay software execution to eliminate bugs.
- Join an intimate, highly-skilled engineering culture where you are trusted to set priorities and shape the future of the product roadmap.
- Gain deep exposure to low-level Linux internals and kernel APIs within a company changing how the world's most complex software is built.
How Jack & Jill work together
I get to know what you’re great at, then find roles you’d never find yourself.Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.
I recruit from Jack’s network and make the intro when I spot a great match.And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.
Jack gets to know what you're great at and what you want next, then searches 15 million jobs daily and helps you discover roles at companies like this.
Meet Jack
What happens next?
Jack’s an AI agent for job searching and career coaching. He works for you.
Jill is the AI recruiter working for the company. She recruits from Jack’s network.
If your profile’s a match and Undo wants to meet, Jill will make the intro. In the meantime, Jack will send you excellent alternatives.