Exploit Developer

Hackajob Ltd; Cheltenham; On-site; GBP 61,000 - 101,000; Full time

Benefits offered by this job

Relocation support

Private medical cover

8% pension contribution

Annual health assessment

Bonus scheme

O'Reilly books subscription

Company events

Job summary

Hackajob Ltd, in partnership with CoreTech Security, is seeking an experienced Exploit Developer in the UK. The role focuses on developing exploits across ARM, x86, and other architectures, with emphasis on exploiting vulnerabilities and bypassing mitigations.

The candidate will reverse engineer binaries, analyze complex security issues, and collaborate with researchers to deliver real-world, impactful security solutions for UK clients.

Qualifications

• Experience in exploit development and vulnerability research.
• Candidates should have commercial industry experience and strong problem-solving skills.
• Proven ability to document complex technical findings clearly and concisely.

Responsibilities

• Develop capabilities and exploits across architectures.
• Analyse and defeat existing and future mitigation techniques.
• Reverse engineer binaries and design practical real-world solutions.
• Collaborate with vulnerability researchers to maximize impact of findings.

Skills

Exploit development

Commercial experience

Reverse engineering (IDA Pro/Ghidra)

C/C++/Assembly

ARM/AARCH64/x86/x64/MIPS

Linux internals

Android/iOS internals

Documentation of findings

DV clearance

Tools

IDA Pro

Ghidra

Job description

Salary: £61,000 - 101,000 per year

Requirements:

• We are looking for experienced candidates with a demonstrable background in exploit development.
• You should have commercial experience and have worked in the industry already.
• You should bring a passion for solving difficult and complex problems.
• You should be able to thrive in highly technical and challenging environments.
• You should be well versed in the most recent advancements in the domain.
• You should have strong knowledge of vulnerability research.
• You should have reverse engineering knowledge in IDA Pro or Ghidra.
• You should have substantial knowledge of exploitation techniques and mitigations.
• You should have strong C/C++/Assembly development experience.
• You should have in-depth knowledge of one or more of ARM, AARCH64, x86, x64, and MIPS.
• You should have experience and knowledge of Linux and its internals.
• You should have experience and knowledge of Android or iOS and its internals.
• You should have experience documenting and presenting complex technical findings clearly and concisely.
• You must hold active DV clearance.

Responsibilities:

• Develop capability and exploits across a variety of architectures.
• Analyse and defeat existing and future mitigation techniques.
• Reverse engineer binaries.
• Design and productise solutions with immediate real-world impact.
• Grow the teams capabilities by developing novel tools and strategies.
• Work in tandem with other talented developers and engineers.
• Collaborate closely with vulnerability researchers to ensure the impact of complex, low-level vulnerabilities is fully realised.

Technologies:

• ARM
• Android
• Support
• Linux
• Security
• iOS
• C++

More:

We are partnering directly with CoreTech Security to hire for this role. As an Exploit Developer, you will join a world-class team of developers and researchers focused on delivering bespoke products and research to some of the most interesting cyber security clients in the UK. Our team is highly experienced, deeply technical, and blends rapid prototyping, security research, and software engineering skills to deliver innovative solutions that support our clients operational needs. We offer promotions based on technical excellence and reviewed regularly, 25 days of holiday plus bank holidays, the option to buy up to 5 additional days per year, and extra holiday allowance starting from 2 years service. We also provide relocation financial support, training and development opportunities, an OReilly books subscription, regular internal events and socials, and free seasonal fruit, tea, coffee, milk, squash, and hot chocolate. Our health benefits include private medical cover, access to a private online GP, specialist support for physical and mental health, and an annual health assessment. Financial benefits include a bonus scheme, an 8% company pension contribution with no minimum employee contribution, and death in service cover of 4x base salary. Lifestyle benefits include enhanced maternity, paternity, and adoption leave, and an enhanced cycle-to-work scheme.

last updated 40 week of 2026