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Janet AdigunJA
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Janet Adigun

@janetadigun

Application Security Engineer focused on proactive vulnerability testing and secure SDLC for organizations.

Nigeria
Message

What I'm looking for

I want a role where I can expand my application security expertise through real-world testing, automation, and Security-by-Design practices—collaborating with engineering and compliance to reduce risk, strengthen defenses, and keep learning.

I am a dedicated cybersecurity professional specializing in application security testing, focused on safeguarding organizations through the proactive identification of vulnerabilities and misconfigurations in applications and systems. I leverage up-to-date techniques to detect and mitigate issues efficiently, helping maintain robust security postures that protect critical assets and data. I am eager to be challenged to grow and further improve my skills.

At Access Bank Plc, I lead comprehensive vulnerability assessments and penetration tests across web and mobile applications, including live production systems and infrastructure as part of the bank’s Cyber Fitness Program. I collaborate with DevOps, Cloud, and IT teams and external vendors to drive timely remediation, translating findings into actionable risk reports for senior management and compliance stakeholders, including ISO, NDPR, and PCI-DSS. I also spearheaded automation—implementing an automated penetration testing platform, integrating SAST into CI/CD, and adopting an automated threat modeling solution—to enable continuous, Security-by-Design assessments from ideation through production, supported by manual verification and secure code reviews using tools like Burp Suite, Qualys, and Postman.

Experience

Work history, roles, and key accomplishments

AP
Current

Application Security Engineer

Access Bank Plc

Aug 2022 - Present (3 years 11 months)

Lead comprehensive vulnerability assessments and penetration tests on 100+ web and mobile applications, supporting secure rollout and cloud/on-prem readiness for 65M+ users across Nigeria and other African subsidiaries. Integrate and operate SAST/DAST and automated threat modeling, perform manual verification (e.g., Burp Suite/Qualys/Postman), and report risks for ISO, NDPR, and PCI-DSS audit read

Education

Degrees, certifications, and relevant coursework

British Computer Society logoBS

British Computer Society

BCS Certificate in IT, Information Technology

Earned a BCS Certificate in IT in 2025.

Federal University of Technology, Minna logoFM

Federal University of Technology, Minna

Bachelor of Technology (B.Tech), Food Science and Technology

2014 - 2019

Completed a B.Tech in Food Science and Technology from 2014 to 2019.

Tech stack

Software and tools used professionally

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