Software Engineer-Application Security
Company: S3
Location: Iselin
Posted on: April 3, 2026
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Job Description:
Job Description STRATEGIC STAFFING SOLUTIONS (S3) HAS AN
OPENING! This is a W-2 contract opportunity. Candidates should be
willing to work on our W2 ONLY, NO C2C Specialty Software
Engineer-Application Security Location: Iselin, NJ preferred; Other
locations include Charlotte, NC/Irving, TX/Chandler, AZ Schedule:
Hybrid 3 days a week ( Complete remote will not be permitted )
Duration: 12 Months Must Haves Requirements: Strong Application
Security experience Proven deployment of AI coding tools at scale
(OpenAI preferred, also Copilot, Claude, etc.) Experience reviewing
/ remediating AI generated code Solid Python experience True
engineering background (not audit/assessment) Jira Confluence
familiarity Strong communication skills Responsibilities: This role
focuses on integrating our Static Application Security Testing
(SAST) tool Checkmarx with Corgea building an autocode remediation
feature for in-scope client apps, enhancing any integrations and
processes within the pipeline using AI and Machine Learning (ML)
features of Corgea, and enhancing the shift-left experience with
development teams. Main Responsibilities: Developing and
implementing SAST strategies for AI/ML code, customizing SAST tools
needed to integrate LLM, AI/ML frameworks, automating testing and
integration into CI/CD pipelines, and troubleshooting tool issues.
Provide hands on technical support for Checkmarx and Checkmarx ONE
platform Drive vendor accountability to address product defects.
Support patching and upgrade testing Collaborate with Product
Owners, Application Security Champions, development team members
and offshore partners. Ensure documentation is current and
reflects, process changes and have an eye for detail. Required
Skills: 4 years of application security experience 3 years of AI/ML
development including frameworks like TensorFlow or PyTorch 2
Experience with generative AI models, reinforcement learning, auto
code remediation models 2 years of experience with Agile and
Atlassian products such as Jira/confluence or equivalent Good
understanding of OWASP top 10 Strong verbal, written, and
interpersonal communication skills. Excellent customer service
skills Ability to troubleshoot complex technology integration
issues. Desired Skills: 2 years of cloud experience 3 years of
scripting experience – python 2 years of SQL experience 1 years of
experience using Corgea AI will be plus. Required Qualifications: 5
years of Specialty Software Engineering experience, or equivalent
demonstrated through one or a combination of the following: work or
consulting experience, training, military experience, education.
“Beware of scams. S3 never asks for money during its onboarding
process.”
Keywords: S3, Wilmington , Software Engineer-Application Security, IT / Software / Systems , Iselin, Delaware
