An opportunity to help shape the future of a successful and growing development team, and work with other outstanding individuals.

Who we are?

What will you be doing?

We have a very ambitious roadmap for the future of our software. As a senior member of our development team you will:

Why join PortSwigger?

We like to have fun (why else would we make a product called Burp?) while thinking hard about conceptually complex problems. If you are someone who thrives on difficult challenges and gets a kick out of solving them, then this is the job for you.

We only hire exceptional people – and as a result deliver software that never fails to impress our users.

We are genuinely Agile: we employ rigorous TDD; we pair-program on a daily basis; we work off a single code branch that is always release-ready; we have regular team retrospectives and knowledge-sharing sessions.

We have rapid release cycles with updated versions of our software automatically pushed to our users, so you will quickly see your code deployed to a huge global audience.

We offer a healthy, high-tech working environment. All developers work on the latest Mac Pros, with dual monitors, sitting-standing desks, and (if they are so inclined) walking treadmills.

Eligibility: A minimum of five years' experience working in software development. (This is a minimum only, and we welcome candidates with any length of experience beyond this.
Essential attributes:
  • Exceptional academic background, or commensurate track record in employment to demonstrate technical abilities.
  • Outstanding analytical and computational skills.
  • Experience of Agile / XP / TDD methodologies for collaborative development.
  • Strong interest in solving difficult and complex technical problems in imaginative ways.
  • Ability to learn quickly about unfamiliar technologies and work with them immediately.
  • Attention to detail and personal pride in the quality of work output.
  • High level of personal integrity.
  • Excellent communication and interpersonal skills.
  • Knowledge of core web technologies including HTTP, SSL, HTML, JavaScript, XML, JSON, and SOAP.
  • Significant experience of object-oriented programming, the Java language and core APIs.
  • Understanding of Java APIs for networking, threading, reflection, and user interface (Swing/FX).
  • Familiarity with version control software including Git.
  • Fluent English speaker.
Preferred attributes:
  • Experience of reverse-engineering and analyzing non-standard data formats and protocols.
  • Ability to quickly understand a large existing codebase, begin applying incremental changes, and identify opportunities for code refactoring.
  • Working knowledge of Windows, Linux and OS X.
  • An interest in learning about web security.
Timeframe: Permanent position.
Location: Knutsford, Cheshire, United Kingdom.
Remuneration: Extremely competitive salary and excellent benefits, dependent on skills and experience. Share options.
Company background: PortSwigger Web Security is a global leader in the creation of software tools for security testing of web applications. For nearly a decade, we have worked at the cutting edge of the web security industry, and our suite of tools is well established as the de facto standard toolkit used by web security professionals.

Not sure if we are right for you? Find out why you should work at PortSwigger Web Security .

Applications including CV via email to