What are the responsibilities and job description for the Senior Application Security Engineer position at Excelon Solutions?
Position Information
F2F Interview
Type: Contract
Position: Application Security Engineer (Mobile Developement)
Location: Irving, TX- Hybrid (min. 3 days’ work from office)
Update- Please note that there will 2 rounds of customer interview. First round will be a video call and 2nd round should be in person in customer’s office in Irving, TX.
Job Description:
Focus on candidates with the following mandatory experience:
1. Core Application Security Experience
- Hands-on experience performing application security assessments
- Architecture-level security reviews and secure deployment assessments
- Strong experience in Threat Modeling (STRIDE / Attack Surface Analysis / Abuse Case Modeling)
- Experience working directly with engineering teams during design and release cycles
- Secure SDLC implementation and security sign-off experience
2. Mobile / IoT / AI Systems Exposure (Critical)
- Security assessment of large-scale mobile applications (iOS and/or Android)
- Experience reviewing mobile application architecture and backend integrations
- Exposure to IoT-connected systems and device-to-cloud security models
- Experience assessing AI/ML-enabled systems (API abuse, data leakage risks, model exposure risks)
We are looking for candidates who can evaluate security posture at system and architecture level.
3. Strong Development Background (Mandatory)
Candidates must have hands-on development experience in one or more of the following:
- Swift (iOS)
- Java / Kotlin (Android or backend)
- Scala (backend systems)
- Python (backend / AI systems)
- C / C (IoT / embedded systems)
Prioritiy candidates who were developers before moving into Application Security, as they will be better equipped to conduct deep code reviews and design assessments.