Security Engineer


Full Time USD 81K - 145K *
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Lean Technologies

The gateway to fintech in the Middle East
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About the Role 
As an API and web application based product, security is vital to Lean’s success. As the Product Security Engineer you will play a key part in discovering bugs and security vulnerabilities within Lean’s products, applications and infrastructure. This requires an in-depth understanding of the product and its various applications to serve potential use cases.  You will be tasked with developing a strategic testing approach to uncover vulnerabilities from low hanging fruit all the way to deep underlying vulnerabilities across the product and then work with our cyber security, engineering and product teams to ensure all bugs and vulnerabilities are remediated. You will also have the support of our cyber security consultant who will assist you in testing strategies and procedures. 
About us 
We are an entrepreneurial team who value the ability to focus and deliver. In the same vein that Stripe was able to make payments accessible to e-commerce businesses in the 2010's - Lean is building a Payments and Data platform that can be integrated and made fully operational in days, not months. Breaking down barriers to entry is how we enable fintech innovation. To deliver a product that's so easy to use, our team must face complex and unseen technological, regulatory, and operational challenges daily. What embodies our culture is how we react to these challenges, and across departments and continents, the team operates with the following core values:


  • Understand the security flavour of Lean platform, flows, architecture and use cases. 
  • Work closely with our Engineering teams to gain in-depth knowledge of our systems.
  • Offer support to engineering team to fix the identified security defects and/or security incidentsConsistently deliver on commitments on time and with quality.
  • Perform white/grey box penetration testing , including manual source code review.
  • Identify key areas for improvements to the security posture of the Lean platform.
  • Pen test new releases of the app as soon as they have been launched to identify any bugs and security vulnerabilities as quickly as possible
  • Write detailed reports on your findings submit to the security teamBe responsible for driving security improvement through finding vulnerabilities in the product
  • Perform peer-review for the work delivered by other colleagues. Collaborate with a great team of security experts and work in a lab environment.
  • Interest to further deepen product security expertise.


  • You will be required to have at least four years experience in security testing :web application, infrastructure APIs.
  • Experience in running application security testing tools like scanners/ interceptors (e.g. Burp, ZAP) ,SAST, DAST and Infrastructure Vulnerability Scanning.
  • Solid understanding of information security principles , secure coding techniques, security in the SDLC and the evolving threat landscape.
  • Hands-on experience on infrastructure security scanning
  • Good understanding of secure development practices such as  Open SAMM (OWASP) ,BSIMM or NIST SSDF
  • Ability  to read and understand code in any of the following programming languages: Python ,Java, Javascript, nodejs, SWIFT.
  • Understanding of various software security vulnerabilities, threats and attack vectors on different environments, reverse engineering and mitigation techniques.

Nice To Have

  • BSc (Hons) Cyber Security or Computer Engineering.
  • Experience with threat modellingUnderstanding and experience with DevSecOps practicesUnderstanding of iOS or Android Internals.
  • Offensive Security certifications like :CEH, OSCP, OSCE, OSWE, OSEP, CPSA.
  • Knowledge of current information security standards and regulations such as PCI DSS, ISO27000 series, and GDPR.
NB. While we think the above experience could be important, we’re keen to hear from people that believe they have valuable experience to bring to the role. If you identify with the team and mission, but not all of our requirements, then please still apply!!
Why Join us?
Our products have received resoundingly positive feedback from developers and customers alike, with Sequoia leading its $33 million Series A round, marking its first in the GCC. Yet, this is just the beginning. We're working tirelessly to expand our coverage across the region while further deepening the value we provide to our stakeholders. To that end, we're always on the lookout for talented, driven, and entrepreneurial candidates to join us in our mission of enabling the next generation of financial innovation. If you're motivated by solving hard problems and leaving a lasting legacy while you're at it, Lean's where you need to be.
Not only do we offer competitive salaries, private healthcare, and flexible office hours, but we also insist that every member of the team hold a meaningful equity stake in the business to ensure long-term alignment.
We'd love you to join us for this journey!
Lean is proud to be an equal opportunity workplace and is an affirmative action employer. We are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity or Veteran status.
* Salary range is an estimate based on our salary survey at
Job perks/benefits: Equity Flex hours
Job region: Middle East
Job stats:  15  3  0
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