Senior Application Security Engineer

Bykea


Date: 2 weeks ago
City: Karachi
Contract type: Full time
What You Will Do
  • Lead threat modeling and secure design reviews for Bykea’s applications and infrastructure, ensuring secure-by-default architectures
  • Design and implement scalable security solutions to proactively detect and remediate vulnerabilities
  • Drive “shift-left” security by integrating SAST/DAST and other security tools within CI/CD pipelines
  • Conduct advanced dynamic (DAST) and static (SAST) analysis across microservices and mobile applications
  • Identify, prioritize, and remediate security risks across products, features, and infrastructure
  • Define and enforce best practices for application security across the software development lifecycle (SDLC)
  • Assess and mitigate risks from third-party libraries and dependencies
  • Lead vulnerability triage and remediation efforts in collaboration with engineering teams
  • Act as a security champion, mentoring teams and promoting a strong security-first culture across the organization

About You
  • 5+ years of hands-on experience in Application Security, with a strong track record of delivering measurable security improvements
  • Strong proficiency in scripting/development (Python, JavaScript preferred)
  • Proven experience integrating and managing security tools (SAST, DAST) within CI/CD environments
  • Solid experience with cloud and infrastructure security (AWS, Kubernetes, Terraform/CloudFormation)
  • Deep understanding of web security principles, TLS/SSL, authentication mechanisms, and network protocols (HTTP/HTTPS, TCP/IP, etc.)
  • Experience securing mobile applications, web applications, and microservices-based architectures
  • Demonstrated ability to secure high-scale, high-availability systems
  • Familiarity with cloud platforms such as AWS or GCP and their security best practices
  • Strong collaboration and communication skills, with the ability to influence cross-functional teams
  • Relevant certifications (e.g., OSCP, AWS Security Specialty) are a plus

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