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Senior Application Security Engineer

iScale Solutions
UKRemotefull_timeVerifiedPosted 11 Feb 2026

About the role

This is a remote position.

Threat Modeling & Security Validation

  • Conduct threat modeling and security reviews for distributed cloud-native systems. 

  • Perform security code reviews, static/dynamic analysis (SAST/DAST), and  dependency scanning. 

  • Participate in incident response exercises and red/blue team simulations. 

  • Assess third-party libraries, APIs, and vendor integrations for security  compliance. 

Embedding Security into the SDLC 

  • Partner with developers and QA engineers to embed security testing into CI/CD pipelines. 

  • Review architecture and design documents to identify and mitigate risks early. 

  • Contribute to security automation initiatives and tooling to improve developer velocity. 

  • Support security checkpoints in release and deployment processes. 

Emerging Threat Monitoring & Proactive Defense 

  • Stay current on evolving security risks, frameworks, and attack vectors, including 

  • AI/ML-specific threats (e.g., prompt injection, model poisoning). 

  • Assist in designing and deploying proactive defense mechanisms across applications and data platforms. 

  • Support investigations and post-incident reviews to strengthen detection and prevention capabilities. 

Security Awareness & Policy Implementation 

  • Advocate secure coding and best practices through code reviews, workshops, and documentation. 

  • Contribute to internal security standards and playbooks. 

  • Collaborate closely with Engineering, DevOps, and Product teams to foster a security-first culture.

Requirements

  • Bachelor’s degree in Computer Science, Cybersecurity, or related field, or equivalent experience. 

  • 2 - 4 years of experience in Application Security, DevSecOps, or Secure Software Development. 

  • Strong understanding of OWASP Top 10, SANS CWE Top 25, and general application threat modeling. 

  • Experience with frameworks and architectures such as React, Node.js, Django, or FastAPI. 

  • Knowledge of securing APIs, microservices, and authentication mechanisms (OAuth2, OIDC, JWT). 

  • Experience with cloud platforms (AWS, GCP, Azure) and containerization (Docker, Kubernetes).  <

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Company

iScale Solutions

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