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Application Security Engineer

Akkodis
Sunnyvale, CA Contractor
POSTED ON 12/9/2025 CLOSED ON 12/16/2025

What are the responsibilities and job description for the Application Security Engineer position at Akkodis?

Akkodis is seeking an Application Security Engineer for a 6-month contract role with a client in Sunnyvale, CA (3 days/week onsite).


To be considered, candidates must have strong hands-on experience in manual web and mobile application penetration testing. This role focuses on identifying vulnerabilities, performing secure code reviews, and assessing applications that incorporate AI/ML or LLM-based technology.

Pay Range: $58/hr. to $60/hr. The pay rate may be negotiable based on experience, education, geographic location, and other factors.


Application Security Engineer job responsibilities include:

· Perform manual web application and mobile penetration testing in enterprise environments.

· Conduct code-assisted reviews, architecture assessments, and threat modeling exercises.

· Identify, validate, and prioritize vulnerabilities, delivering remediation recommendations.

· Assess applications and services that incorporate AI/ML models or LLM functionality, including model APIs and inference endpoints.


Desired Qualifications:

· Bachelor’s Degree.

· 6 years of experience in Application Security, Penetration Testing, or Security Engineering.

· Proven experience manually testing web and mobile applications.

· Strong understanding of OWASP Top 10, CWE Top 25, SSRF, XSS, SQLi, XXE, etc.

· Proficiency in one scripting language (Python, Ruby, Perl, PHP) and one programming language (Java, Objective-C).

· Familiarity with MacOS or Unix/Linux systems and secure network architecture.

· General knowledge of AWS services (EC2, S3, KMS, RDS).



If you are interested in this role, then please click APPLY NOW. For other opportunities available at Akkodis, or any questions, feel free to contact me at Atal.Rai@akkodisgroup.com.


Equal Opportunity Employer/Veterans/Disabled


Benefit offerings include medical, dental, vision, term life insurance, short-term disability insurance, additional voluntary benefits, commuter benefits, and a 401K plan. Our program provides employees the flexibility to choose the type of coverage that meets their individual needs. Available paid leave may include Paid Sick Leave, where required by law; any other paid leave required by Federal, State, or local law; and Holiday pay upon meeting eligibility criteria. Disclaimer: These benefit offerings do not apply to client-recruited jobs and jobs that are direct hires to a client.


To read our Candidate Privacy Information Statement, which explains how we will use your information, please visit:

https://www.akkodis.com/en/privacy-policy.


The Company will consider qualified applicants with arrest and conviction records in accordance with federal, state, and local laws and/or security clearance requirements, including, as applicable:

· The California Fair Chance Act

· Los Angeles City Fair Chance Ordinance

· Los Angeles County Fair Chance Ordinance for Employers

· San Francisco Fair Chance Ordinance

Salary : $58 - $60

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